Tesi sul tema "Land Use Transport modelling"
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1
Kinsey, Michael Jon. "Vertical transport evacuation modelling". Thesis, University of Greenwich, 2011. http://gala.gre.ac.uk/7786/.
Abstract (sommario):
Within any high-rise structure or underground/subway station, occupants often heavily rely on vertical transport devices (e.g. escalators, lifts, etc) to travel vertically between levels. Typically such devices provide a faster and more comfortable means to travel than the equivalent stairs. Such devices also provide an additional means for occupant egress. However, the provision for utilising such devices in actual buildings for evacuations is rare. Despite a select number of structures throughout the world allowing the use of vertical transport devices within evacuation scenarios, little is understood with regards to evacuation vertical transport strategies and to what extent such strategies may be influenced by associated human factors. This thesis is intended to address this lack of understanding. The thesis provides an in depth review of evacuation usage of vertical transport devices in actual evacuations, their provision in building codes, empirical studies analysing human factors, representation within simulated environments, and analysis of previously explored operational strategies. The review provides a broad set of research questions that the thesis is intended to address. Human factors data associated with vertical transport device usage have been collected via an online survey and video analysis. The data analysis has instructed the development of the vertical transport device models and associated agent models within the buildingEXODUS evacuation software. The models include the representation of device selection, the influence of local conditions in close proximity to a device, and the influence of wait time upon device selection. The developed models have been used to demonstrate the influence of different vertical transport strategies and to what extent such strategies are influenced by human factors. Finally, the thesis concludes by summarising the increased understanding achieved through the work presented.
2
Jonsson, R. Daniel. "Analysing Sustainable Urban Transport and Land-Use : Modelling tools and appraisal frameworks". Doctoral thesis, Stockholm : Department of Transport and Economics, Royal Institute of Technology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-9481.
3
Mahalingam, Arun. "Modelling the generation of toxic combustion products and its transport in enclosure fires". Thesis, University of Greenwich, 2007. http://gala.gre.ac.uk/6235/.
Abstract (sommario):
Most common building materials are polymer based. Thus toxic products evolving from burning polymers is the single most important factor in fire fatalities. Fire hazard calculations require modelling of heat generation, toxic combustion products generation and its transport in realistic building scenarios involving common building material. However, the thermal decomposition, combustion behaviour and chemical kinetics for common polymers like wood, plastics, rubber and textiles are extremely complex. In the present study, a methodology (STEM-LER: the Scalar Transport Equation based Model using the Local Equivalence Ratio concept) based on solving separate transport equations for the species and using the yield correlations obtained from bench-scale experiments to model the source terms is proposed to predict the products generation and its transport during enclosure fires. Modelling of complex solid phase degradation and chemical kinetics of polymers is bypassed by measuring the product yields as a function of equivalence ratio by burning the samples in a bench-scale combustion apparatus called Purser furnace. Since the accuracy of prediction depends upon the quality of the yield data obtained from the Purser furnace, attempts were also made to numerically investigate this bench-scale toxicity test method in order to understand its modus operandi. Finally, a preliminary assessment on the effect of cable fires on building evacuation for the simulated fire scenarios was carried out using a sophisticated evacuation model.
4
Baraklianos, Ioannis. "The accessibility in Land-Use Transport Interaction models : four essays on location choice models". Thesis, Lyon, 2019. http://www.theses.fr/2019LYSE2037/document.
Abstract (sommario):
La présente thèse de doctorat a pour objectif d'examiner la place et l'importance de l'accessibilité dans les modèles de choix de localisation des ménages et des entreprises. Ces modèles sont deux éléments clés de la conception et la construction des modèles d'interaction transport – usages du sol. Il s’agit, plus précisément, d’analyser l’effet de divers choix méthodologiques d’un point de vue théorique et empirique afin de donner des réponses à des interrogations tout aussi théoriques, méthodologiques, empiriques et politiques. Pour y répondre, quatre articles de recherche constituent le travail principal de la thèse. Les quatre travaux produits ont pour objet l’étude de l’aire urbaine lyonnaise et utilisant des modèles de choix discrets pour expliquer les choix de localisation.Dans le premier article, l’objectif est d’analyser l’effet de la mesure d’accessibilité sur les résultats du modèle de choix de localisation résidentielle. Alors que l'accessibilité a toujours été importante au niveau théorique, certains travaux relativisent son importance au niveau empirique, considérant que d'autres attribues de localisation sont plus influentes. Cet article analyse si différentes méthodes de mesure de l'accessibilité peuvent conduire à des résultats divergents. La conclusion principale estque l'accessibilité est une variable indispensable pour les modèles de choix localisation résidentielle et ce quelle que soit la mesure. Sans la variable de l’accessibilité, le modèle donne des résultats incohérents.Dans le deuxième article, l’objectif est d’analyser les différences de préférences en matière d’accessibilité entre les entreprises nouvellement créées et les entreprises qui se relocalisent. L'accessibilité est l'un des facteurs les plus importants du choix de localisation d’une entreprise. Cependant, même si cela semble intuitif, les travaux analysant les différences entre les créations et les relocalisations sont peu nombreux. En utilisant des données pour huit secteurs d’activités économiques et en confrontant les créations aux relocalisations, les résultats démontrent que l’effet de l’accessibilité diffère d’un secteur économique à l’autre. Cette différence dépend du type d’activité économique du secteur mais aussi du type d’accessibilité.Dans le troisième article, l’objectif est d’évaluer la différence d’impact de l’accessibilité sur les choix de localisation des entreprises du secteur des services aux entreprises. En distinguant les services entre Front Office et Back Office selon leur fonction dans un modèle de choix de localisation, les résultats démontrent que l'effet de l'accessibilité diffère d'un sous-secteur économique à l'autre. Dans le quatrième papier, l'objectif est d'analyser l'évolution temporelle des préférences en matièred'accessibilité des choix résidentiels. De plus en plus de ménages choisissent d’acheter une résidence en banlieue, profitant ainsi de l’augmentation de l’accessibilité. En opposition, les jeunes ménages, appelés aussi «millennials», choisissent de louer dans les zones centrales. Distinguant les locataires des propriétaires, l'analyse des élasticités de périodes 1999, 2006 et 2013 confirme l'intuition initiale qui est que les locataires sont plus sensibles à l'accessibilité à l'emploi. Plus important encore, lapréférence des locataires évolue et croit au cours de la période analysée, alors que celle des propriétaires évolue de façon inverse. Nous suggérons aux planificateurs et aux concepteurs de modèles d’intégrer la dynamique temporelle dans leurs modèles afin d'anticiper au mieux les tendances futuresThis PhD thesis has as objective to examine the place and the importance of accessibility in location choice models of households and firms, two key construction elements of Land-Use Transport Interaction models. More specifically, the aim is to analyse the effect of various methodological choices from a theoretical and empirical point of view in order to give some answers to theoretical, methodological, empirical and policy issues. Having as a case study the urban area of Lyon and using discrete models to explain the location choices of households and firms, four research papers comprise the main work of this dissertation.In the first paper, the objective was to analyse the effect of the accessibility measure on the results of residential location choice model. While accessibility has always been important at theoretical level, at empirical level, some works questioned its importance, considering other location characteristics as more influential. This paper examines whether different accessibility measurement methods can lead to divergent results. The conclusion is that accessibility is an indispensable variable for residential location choice models and the conclusion remains the same whatever is the measure. Without accessibility, the model gives inconsistent results. Complex accessibility measures give better results, especially for predictions, but simple measures are also relevant for residential location choices modelling.In the second paper, the objective was to analyse the differences of accessibility preferences between new and relocating firms. Accessibility is one of the most important attributes of a location choice of an economic establishment. However, even if it seems intuitive, works analysing any differences between creations and relocations are scarce. Using data from eighteconomic sectors and comparing creations to relocations, the results demonstrate that the effect of accessibility differs between in the same economic sector.In the third paper, the objective was to evaluate the difference of the accessibility impact on the location choices of firms of the business services sector. Distinguishing between Front Office and Back Office business services in a location choice model, the results demonstrate that the effect of accessibility differs between economic subsectors.In the fourth paper, the objective was to analyse the temporal evolution of the preferences for accessibility for residential choices. More and more people choose to buy a residence at the suburbs taking advantage of the accessibility increase. At the same time, young households, the so called millennials, choose to rent in central areas. Distinguishing between renters andowners, the analysis of the elasticities for 1999, 2006 and 2013 confirm the initial intuition. Renters were always more sensitive to accessibility to employment. More importantly, renters show an increasing preference for accessibility during the analysis period, while the owners the opposite. We suggest that planners and model developers should integrate temporal dynamics into their models in order to anticipate better future tendencies
5
Moyo, Hazvinei Tsitsi Tamuka. "The dynamic interaction of land use and transport in a highly fragmented city: the case of Cape Town, South Africa". Doctoral thesis, Faculty of Engineering and the Built Environment, 2019. https://hdl.handle.net/11427/31838.
Abstract (sommario):
The need for more inclusive and integrated cities has resulted in a paradigm shift in the South African transport and land use policy environment where transport and land use planning are viewed as a continuum as opposed to isolated planning aspects. Issues such as residential segregation, social exclusion, spatial inefficiencies, inequality, residential informality, marginalisation of the low-income cohort continue to form part of the current planning discourse. While policy acknowledges the need to redress these issues, the urban spatial patterns in South African cities continue to trace the historical planning trajectory. Recently, congestion has become an issue in some of South Africa’s cities with Johannesburg and Cape Town appearing in the list of the top hundred most congested cities in the world. It is thus essential to understand how South African cities can address urban accessibility and mobility issues along with redressing apartheid spatial planning to attain sustainable cities that allow for inclusivity of all population groups. Like most South African cities, Cape Town is a relic of apartheid planning where the urban spatial patterns reinforce social exclusion among other issues. Urban and transport planning in Cape Town focuses on addressing issues of spatial inefficiencies, social exclusion, congestion due to rapid motorisation and the proliferation of informal settlements. It is against this backdrop that the central concern of this research is to understand urban dynamics linked to the spatiotemporal interaction of transport and land use in Cape Town to aid in the formulation of proactive urban policies. There is compelling evidence in the literature that dynamic integrated land use transport models provide an avenue through which the urban change process can be understood to aid in the development of adaptive land use and transport strategies. METRONAMICA, a dynamic land use transport model, is applied in this research to simulate and understand land use and transport change in Cape Town. A sequential stage-wise procedure was implemented to calibrate the model for the period 1995- 2005 and an independent validation was carried out from 2005 to 2010 to evaluate the model. Kappa statistic and its associated variants were applied to assess the ability of the land use model block to reproduce land use patterns while the EMME model and previous transport studies for Cape Town were used to evaluate the transport model. The results from the calibration and validation exercise show that the model can reproduce historical land use and transport patterns. The integration of the transport and land use model through accessibility improved the Kappa Simulation and Fuzzy Kappa Simulation. This showed that the model explained urban change better when land use and transport interacted compared to an independent land use model. This shows that accessibility can be employed in the Cape Town context to enhance the understanding of the urban change process. In addition to the Kappa statistics, the fractal dimension which measures the landscape complexity was used to assess the predictive accuracy of the model. The model performance revealed that the landscape patterns simulated by the model resemble observed land use patterns signifying a good calibration of the model. The calibrated land use transport model for the Cape Town Metropolitan region (CTMRLUT) was applied for policy scenarios. Three scenarios were simulated, specifically the business as usual (BAU), redressing social exclusion and the potential for in situ upgrading of informal settlements. The study found that intensive land use development along the Metro South East Integration Zone (MSEIZ) was linked to a reduction in commuting distances to economic activities which is in contrast to the BAU scenario. While these scenarios looked at the urban spatial patterns, the effect of land use patterns on congestion was also explored. The findings from the scenario simulations suggest that despite the reduction in distance to economic centres, the congestion condition in Cape Town will continue to deteriorate. Further, the findings indicate that interventions that only target land use developments are not sufficient to address congestion issues in Cape Town. Instead, to address the congestion problem in Cape Town, mixed land use and compact growth strategies need to be complemented with travel demand management strategies that target private car usage and intensive investment in transport infrastructure, especially rail, to facilitate the use of alternative modes. With regards to informal settlements, the study found that in situ upgrading could be a viable option to tackle some informal settlements. However, for proper inclusionary informal settlement policy, an approach that resonates with contextual realities would be more suitable to assess the viability of in situ upgrading based on the location of informal settlements relative to centres of economic activities. Additionally, the study revealed that instead of informal settlements locating as stand-alone settlements, some of them located adjacent to low-income housing which might be indicative of a growth in backyard shacks which is an existing housing trend in some lowincome suburbs in Cape Town. While this research has shown that integrating land use and transport in policy is potentially useful in solving urban issues, it has also revealed the value of urban modelling as a platform on which to assess the potential impacts of policies before their implementation. This is a strong case for the utilisation of decision support tools in land use and transport planning in contemporary South African cities.
6
Zhu, Jie. "A spatial computable general equilibrium model for London and surrounding regions". Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610888.
7
Ho, Hsin-Tzu. "A new infrastructure demand model for urban business and leisure hubs : a case study of Taichung". Thesis, University of Cambridge, 2016. https://www.repository.cam.ac.uk/handle/1810/273170.
Abstract (sommario):
Over the last few decades there has been a gradual transformation in both the spatial and temporal patterns of urban activities. The percentage share of non-discretionary travel such as morning rush-hour commuting has been declining with the increased income level. Discretionary activities appear to rise prominently in urban business and leisure hubs, attracting large volumes of crowds which in turn imply new and changed demand for building floorspace and urban infrastructure. Despite impressive advances in the theories and models of infrastructure demand forecasting, there appear to be an apparent research gap in addressing the practical needs of infrastructure planning in and around those growing urban activity hubs. First, land use and transport interaction models which have to date been the mainstay of practical policy analytics tend to focus on non-discretionary activities such as rush-hour commuting. Secondly, the emerging activity based models, while providing significant new insights into personal, familial activities, especially the discretionary travel, are so data hungry and computing intensive that they have not yet found their roles in practical policy applications. This dissertation builds on the insights from above schools of modelling to develop a new approach that addresses the infrastructure planning needs of the growing urban hubs while keeping the data and computing realistic in medium to high income cities. The new model is designed based on an overarching hypothesis that considerable efficiency and welfare gains can be achieved in the planning and development of urban business and leisure hubs if the infrastructure provisions for discretionary and non-discretionary activities can be coordinated. This is a research theme that has been little explored in current literature. The new infrastructure demand forecasting model has been designed with regard to the above hypothesis and realistic data availability, including those emerging online. The model extends the framework of land use transport interaction models and aim to provide a practical modelling tool. Land use changes are accounted for when testing new infrastructure investment initiatives and especially the road and public transport loads are assessed throughout all time periods of a working day. The new contribution to the modelling methodology includes the extension to the land use transport interaction framework, the use of social media data for estimating night market activity distribution and a rapid estimation of road traffic speeds from Google directions API, and model validation. Another new contribution is the understanding of the nature and magnitude of future infrastructure demand through assessing three alternative land use scenarios: (1) business as usual, (2) inner city regeneration for a major business hub around the night market, and (3) dispersed suburban growth with distant subcentres. The model is able to assess the implications for future infrastructure demand and user welfare through discerning the distinct discretionary and non-discretionary activity patterns.
8
Avner, Paolo. "Effectiveness and Political Economy of Climate Change Mitigation Policies at the Urban Scale". Electronic Thesis or Diss., Paris, EHESS, 2020. http://www.theses.fr/2020EHES0022.
Abstract (sommario):
L’urbanisation est un des faits majeurs du 21ème siècle, avec des migrations massives vers les villes des pays en développement. Étant donné l’inertie et la dépendance au sentier qui caractérisent les formes urbaines, il y a un besoin pressant de mettre en place les fondations d’une urbanisation réussie dès aujourd’hui. Un aspect important est de permettre des trajectoires urbaines bas carbone et soutenables et d’éviter des « lock-ins » intensifs en carbone, en particulier pour les émissions provenant du transport urbain. Les progrès technologiques sous la forme de véhicules plus efficaces et de carburants alternatifs ne semblent, aujourd’hui, pas en mesure d’atteindre cet objectif seuls. Et les émissions de CO2 issues du transport urbain étant partiellement un co-produit des formes urbaines, les politiques foncières, de logement et de transport sont de manière croissante reconnues comme des leviers importants pour freiner la demande de transport et promouvoir des modes de transport doux et collectifs qui contribuent à la réduction des émissions.Bien qu’importante, la réduction des émissions de CO2 n’est qu’un objectif parmi d’autres pour les décideurs locaux : agir sur la pauvreté, la fourniture de services publiques de base et l’accès à un logement abordable sont d’autres exemples d’objectifs importants. Des politiques visant à réduire les émissions qui mettraient en péril d’autres buts ou qui se traduiraient par des niveaux de bien-être des populations réduits (principalement à travers des coûts du logement plus élevés) auraient peu de chances d’être acceptées et mises en œuvre. Des politiques climat portant sur le transport urbain se doivent donc d’être à la fois efficaces et politiquement acceptables.Partant de constat, cette thèse examine comment un groupe de politiques et d’investissements urbain, foncier et transport peuvent contribuer à freiner les émissions de CO2 liées au transport urbain et quelles sont les conséquences pour les ménages en termes de bien-être dans les aires urbaines. Cette analyse est conduite à travers le développement, la calibration et l’application à des villes réelles d’un modèle Transports – Usages des sols fondé micro-économiquement (NEDUM-2D)Urbanization is one of the most defining traits of the 21st century with people flocking to cities in massive numbers in developing countries. Given the inertia and path dependence that urban forms display, there is a strong need to get urbanization right today. One key aspect is to ensure low-carbon and sustainable urban futures and avoid carbon-intensive lock-ins, in particular for emissions stemming from urban transport. Technology in the form of more efficient vehicles and alternative fuels currently does not seem to be able to achieve this goal alone. And as urban transport CO2 emissions are partially a by-product of urban forms; land-use, housing and transport policies are increasingly recognized as important levers to curb transport demand and promote soft and collective transport modes which contribute to emission mitigation.However important, reducing CO2 emissions is but one of city policy makers’ objectives: acting on poverty, providing basic services and access to affordable housing to name a few are equally important. So that policies aiming to reduce emissions, that would jeopardize other goals or result in lower welfare levels (mainly through higher housing costs) have low chances of being accepted and implemented. Successful urban-transport climate policies need to be both effective and politically acceptable.Starting from this assessment, this dissertation investigates how a subset of urban, land and transport policies and investments can contribute to curb transport-related CO2 emissions and what are the welfare consequences for households in urban areas. This is done through the development, calibration and application of a micro-economically founded land use – transport model (NEDUM-2D) to real-world urban areas
9
Ghédira, Aymen. "Planification urbaine et développement durable en Tunisie : vers une nouvelle conception de la conduite publique des systèmes de déplacement et de localisation". Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAH036/document.
Abstract (sommario):
La finalité de notre thèse est d'interroger la relation entre la planification urbaine et le développement durable en regard des politiques publiques urbaines de développement et plus particulièrement du management territorial. Dans notre conception de la démarche, nous mettons l'accent sur les différentes dynamiques (déplacements et mobilité) et mutations morphologiques et structurelles (occupations du sol) à l'échelle de l'agglomération afin de singulariser la décision publique en matière du développement urbain durable. Nos choix se sont inscrits volontairement dans une logique transdisciplinaire qui s'est révélée particulièrement adaptée à nos différents recours théoriques, méthodologiques et empiriques.Traitant le contexte tunisien en pleine transition, ce travail propose un modèle de décision publique hybride permettant de déterminer les traits d'une planification urbaine adaptée aux différents contextes actuels et aux exigences de la durabilité. Le recours à la fois aux techniques de la prospective, aux modèles intégrés de déplacements et d'occupation du sol, à la simulation et aux techniques d'analyse multicritère nous a permis une construction intégrée et itérative de plusieurs niveaux d'évaluation partielle et d'un niveau d'évaluation globale. Le modèle conçu et testé pour la ville de Sousse permettra aux décideurs publics de disposer d'une grille synthétique d'informations issues d'une prise en compte aussi complète que possible de la réalité urbaine. Il offre différents niveaux d'évaluation thématique et un niveau global intégrant l'ensemble. La démarche pourra servir de référent à d'autres villes tunisiennes et aura par conséquent un impact réel sur la qualité de leur développementThe purpose of this thesis is to investigate the relationship between urban planning and sustainable development in relation to urban development policy and in particular the territorial management. In our design approach, we focus on the different dynamics (travel and mobility) moreover, morphological and structural changes (land uses) on the scale of the urban area in order to single public decision in urban development long lasting. Our choices were enrolled voluntarily in a trans-disciplinary logic has proved to be particularly suited to our different theoretical, methodological and empirical appeal.Treat the Tunisian context in transition; this research proposes a hybrid public decision model to determine the features of an adapted urban planning to different contexts and current requirements of sustainability. Using both foresight technics, integrated land use-transportation models, simulation and multi-criteria analysis technics allowed us an integrated and iterative construction of several levels of partial evaluation and a level of overall evaluation. The model designed and tested for the town of Sousse will allow policy makers to have a synthetic grid information from a decision as complete as possible account of urban reality. It offers different levels of thematic evaluation and a global level integrating all. The approach can be used as reference to other Tunisian cities and will therefore have a real impact on the quality of their development
10
Saujot, Mathieu. "Analyse économique et simulation prospective dans la planification de la ville sobre en carbone : Application à Grenoble du modèle TRANUS+". Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2013. http://pastel.archives-ouvertes.fr/pastel-00982385.
Abstract (sommario):
La planification urbaine stratégique en France se voit chargée de manière croissante des questions environnementale et climatique. Mais est-elle réellement capable d'infléchir les dynamiques d'étalement ainsi que de former un cadre efficace pour la réduction des émissions des transports ? Et que peuvent apporter l'analyse économique et la simulation prospective à la démarche de planification ? Pour y répondre nous avons replacé notre analyse de l'apport des outils économiques à la planification urbaine dans la perspective d'ensemble de réforme politique et administrative du contexte français. Cela a pris la forme d'une analyse critique de la pratique actuelle de la planification, des évolutions à l'œuvre et des conditions d'une meilleure intégration de l'analyse économique dans la démarche et les méthodes de planification. Nous avons construit et utilisé sur le cas de Grenoble, des outils d'analyse économique permettant de traiter la question des politiques climatiques locales dans la planification, d'une manière prospective et systémique. Il s'agit de la 1ère application du modèle de simulation urbanisme-transport TRANUS en France, et de son utilisation dans le cadre d'une méthodologie économique pour produire des courbes de coût d'abattement intégrant le caractère systémique de la ville pour le secteur des transports. Le modèle et la méthodologie économique qui lui est adossée constituent ce que nous appelons l'outil TRANUS+. Nous avons également réinterrogé plusieurs points à partir du cadre de la planification urbaine : la question du choix des outils de modélisation ainsi que celle des modalités du calcul économique, la question de la vulnérabilité énergétique liée à la mobilité, celle enfin du déploiement des véhicules électriques. Cela nous permet d'avoir une vision d'ensemble des apports de la planification et des voies pour la renforcer.
11
Jahanshahi, Kaveh. "Quantification of the influences of built-form upon travel of employed adults : new models based on the UK National Travel Survey". Thesis, University of Cambridge, 2017. https://www.repository.cam.ac.uk/handle/1810/267841.
Abstract (sommario):
After decades of research, a host of analytical difficulties is still hindering our understanding of the influences of the built form on travel. The main challenges are (a) assembling good quality data that reflects the majority of the known influences and that supports continuous monitoring, and (b) making sense methodologically of the many variables which strongly intercorrelate. This study uses the UK national travel survey (NTS) data that is among the most comprehensive of its form in the world. The fact that it has rarely been used so far for this purpose may be attributable to the methodological difficulties. This dissertation aims to develop a new analytical framework based on extended structural equation models (SEMs) in order to overcome some of the key methodological difficulties in quantifying the influences of the built form on travel, and in addition to provide a means to continuously monitor any changes in the effects over time. The analyses are focused on employed adults, because they are not only the biggest UK population segment with the highest per capita travel demand, but also the segment that are capable of adapting more rapidly to changing land use, built form and transport supply conditions. The research is pursued through three new models. Model 1 is a path diagram coupled with factor analyses, which estimates continuous, categorical and binary dependent variables. The model estimates the influences on travel distance, time and trip frequency by trip purpose while accounting for self-selection, spatial sorting, endogeneity of car ownership, and interactions among trip purposes. The results highlight stark differences among commuters, particularly the mobility disadvantages of women, part time and non-car owning workers even when they live in the most accessible urban areas. Model 2 incorporates latent categorisation analyses in order to identify a tangible typology of the built form and the associated variations in impacts on travel. Identifying NTS variables as descriptors for tangible built form categories provides an improved basis for investigating land use and transport planning interventions. The model reveals three distinct built form categories in the UK with striking variations in the patterns of influences. Model 3 further investigates the variations across the built form categories. The resulting random intercept SEM provides a more precise quantification of the influences of self-selection and spatial sorting across the built form categories for each socioeconomic group. Four research areas are highlighted for further studies: First, new preference, attitude and behavioural parameters may be introduced through incorporating non-NTS behavioural surveys; Second, the new SEMs provide a basis for incorporating choice modelling where the utility function is defined with direct, indirect and latent variables; Third, conceptual and methodological developments – such as non-parametric latent class analysis, allow expanding the current model to monitor changes in travel behaviour as and when new NTS or non NTS data become available. Fourth, the robustness of the inferences regarding causal or directional influences may require further quantification through designing new panel data sets, building on the findings above.
12
Ho, Wing-hei Nancy, e 何穎曦. "Land use and transport: how accessibility shapes land use". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46736852.
13
Papadimitriou, Fivos. "Land use modelling, land degradation and land use planning in East Attica, Greece". Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.670256.
14
Silva, Thiago Canhos Montmorency. "Planejamento urbano e transporte urbano de carga: investigação de modelos de integração e aplicação do modelo Freturb em um recorte urbano em São Paulo". Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/3/3146/tde-24082016-082153/.
Abstract (sommario):
A efervescência da cidade moderna somente é possível devido ao deslocamento contínuo de pessoas e mercadorias. A movimentação de bens é trivial para a realização das atividades comerciais, industriais e de prestação de serviços. Sua demanda, entretanto, é condicionada pelos padrões de uso e ocupação do solo e adensamento urbano. Esta pesquisa aborda aspectos da relação entre o transporte urbano de carga e a estruturação das áreas urbanas no Brasil. O principal objetivo é analisar a influência mútua entre a logística urbana e o uso e ocupação do solo no desenvolvimento de áreas urbanas no Município de São Paulo. Dessa forma, foram identificados, selecionados e analisados abordagens, metodologias e modelos aplicáveis à análise e proposição de diretrizes que integrem os condicionantes de desenvolvimento urbano e de transporte urbano de carga. Um modelo selecionado, o Freturb, foi aplicado em um recorte urbano do Município de São Paulo. Localizada na região de Santa Cecília e Higienópolis, a área de estudo foi modelada, primeiramente, de acordo com a sua configuração urbana atual e, em seguida, com as suas predições urbanas para os anos de 2025 e 2030, conforme os parâmetros urbanísticos do novo Plano Diretor Estratégico de São Paulo, em vigor desde 2014. Os resultados da modelagem foram abordados, qualitativamente, sob três categorias, que organizam parâmetros de planejamento e que se inter-relacionam no ambiente urbano: Aspectos do Uso e Ocupação do Solo, Aspectos da Logística e Aspectos do Tráfego Urbano. O trabalhou comparou, ainda, os resultados da configuração urbana atual do recorte urbano de São Paulo, com áreas urbanas francesas, selecionadas no Centro de Lyon e no 4o. Arrondissement de Paris. Essa comparação permitiu analisar a relação entre a empregabilidade e a densidade de movimentos da carga, nas três regiões urbanas. O estudo revelou que a área estudada em São Paulo necessita de mais movimentação de carga e exige mais do viário urbano e/ou é suprida por sistemas logísticos menos organizados, em relação às duas áreas francesas. Ainda, o porte e o perfil do estabelecimento podem incrementar o tempo de carga e descarga em uma área urbana. Finalmente, as predições urbanas, de 2025 e 2030, motivadas pelo novo Plano Diretor Estratégico do Município de São Paulo, permitiram avaliar e compreender os possíveis impactos do adensamento populacional e de empregos na demanda por transporte urbano de carga. E, verificar os possíveis impactos associados, tais como incremento em paradas em \"fila-dupla\" e ocupação viária por veículos de carga.The effervescence of the modern city is only possible due to the continuous movement of people and goods. The movement of goods is trivial for of commercial, industrial and service activities. However, it is conditioned by the patterns of land use and urban density. This research approaches aspects of the relation between the urban freight transport and the structuring of urban areas in Brazil. The main objective is to analyze the mutual relationship among urban logistics and urban land use parameters on developing urban areas in São Paulo. Thus, applicable approaches, methodologies and models were identified, selected and analyzed, in light of their potential to support the integration of urban development and urban freight transport conditions. A selected model, the Freturb, was applied in an urban area in the city of São Paulo. Located in the region of Santa Cecilia and Higienopolis, the case study area was modeled, firstly, according to its current urban setting and then with their urban predictions for the years 2025 and 2030, according the new parameters of Master Plan of São Paulo, approved in 2014. The modeling results were classified and discussed accordingly to three aspects: Land Use Aspects, Logistics Aspects and Urban Traffic Aspects. The research also compared the results of the case study area located in São Paulo with other French urban areas, selected in the Center of Lyon and 4th. Arrondissement of Paris. Such a comparison allowed analyzing the relationship between the employability and the density of freight movements, in the three urban areas. The research revealed that the area in São Paulo requires more freight movement and urban road space and/or is supplied by less organized logistics systems, with regard to the latter two French areas. Also, the size and profile of the establishment can increase the loading and unloading time of operation in an urban area. Finally, the urban predictions, 2025 and 2030, motivated by the new Master Plan of São Paulo, allowed evaluating and understanding the possible impacts of population density and employment in demand for urban freight transport. And, they also allowed verifing the possible associated impacts, such as the increase in stops at \"double-park\" and road occupancy by goods vehicles.
15
Fontaine, Corentin M. "Residential agents and land use change modelling". Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/4626.
Abstract (sommario):
Urbanisation is driven by the complex interactions of many physical and human factors where human actions and decisions, individually and collectively, ultimately shape the patterns of urban landscapes. Agentbased modelling is an emerging technique in land use science that is designed to study multiple heterogeneous and locally interacting active entities within a system. An example of a local interaction is the request made by residents to planners for building permits. The decisions of planners in response to this request leads to emergent properties at an aggregate level such as city growth, assuming no equilibrium conditions. This thesis develops a framework for investigating in space and in time future residential land use change over a polycentric region using a case study of East Anglia, UK. Conceptually, the framework views the complexity of housing development in a system of cities (macrogeographical level) as the visible and concrete outcome of interactions between household demand for new dwellings (micro-geographical level) and the supply of building permits by local planners (meso-geographical level). Demand and supply are driven by household location preferences, as well as local planning, and evolve over time, leading to future land use change at speci c locations. The IPCC socio-economic scenarios are adapted to describe plausible evolutions in these preferences and strategies in order to evaluate di erent urban land use change pathways and the associated potential consequences for people (e.g. ooding risks) and the environment (e.g. biodiversity loss from land fragmentation). Simulation of new housing scenarios is undertaken within the agent-based modelling paradigm using a new computer programme developed in NetLogo. Issues of sensitivity analysis, validation, calibration and system complexity are addressed throughout the thesis. The thesis contributes to the eld of landscape and urban ecology by exploring urban complexity with a spatio-dynamic model of residential location behaviour driven by human and natural variables. As land use and land cover change is known to strongly a ect ecological landscape functions and processes, understanding the relationships between social and natural systems within changing landscapes helps to highlight hotspots of potential pressure and their e ects on the natural environment as part of an assessment of the possible ecological impacts of new urban development.
16
Batunacun. "Modelling land use and land cover change on the Mongolian Plateau". Doctoral thesis, Humboldt-Universität zu Berlin, 2020. http://dx.doi.org/10.18452/21796.
Abstract (sommario):
Der Bezirk Xilingol wurde als geeignetes Beispiel ausgewählt, weil es zu einem großen Flächenanteil von Grassteppe bedeckt ist und fast alle Phasen der Umweltpolitik Chinas durchlaufen hat. Es wurden zwei deutlich voneinander abgrenzbare Phasen identifiziert, von 1975 bis 2000 und von 2000 bis 2015. Während der ersten Phase, bis 2000, war Landdegradation der dominante Landnutzungswandelprozess, der 11.4 % der Gesamtfläche betraf. In dieser Phase war die menschliche Einflussnahme der Hauptfaktor in acht Landkreisen, die sich ändernden Wasserverhältnisse war es in sechs Landkreisen. Während der zweiten Phase, ab 2000, setzte ein spürbare Erholung des Zustandes auf 12 % des Gesamtgebietes ein, während die Degradation jedoch weiter voranschritt und zusätzliche 9,5 % des Landes veränderte. Während dieser Phase wurde die Städtebildung zum dominanten Treiber für die Landdegradierung in sieben Landkreisen, während der Einfluss menschlicher Störungen und der Wasserverfügbarkeit wieder zurückging.
Nach der Identifizierung der Haupttreiber für die Landdegradation, wurde die komplexe Beziehung zwischen verschiedenen Treibern und der Grassteppen-Degradation untersucht. Die Ergebnisse zeigten, dass die Beziehung zwischen dicht bedeckter, moderat bedeckter, und spärlich bedeckter Grassteppe und die Dichte des Schafbesatzes für die Degradationsdynamik in der Grassteppe verantwortlich waren.
In dieser Arbeit wurden die Methoden der Clusteranalyse, der Partial-Order-Theorie, und der Hasse Diagramme eingesetzt, um die Haupttreiber der Landdegradation auf Landkreisebene zu identifizieren. Dann wurde ein Ansatz aus dem maschinellen Lernen, XGBoost (eXtreme Gradient Boosting) verwendet, um die Dynamik der Grassteppen-Degradation vorauszusagen. Darüber hinaus wurde SHAP (SHapley Additive exPlanations) eingesetzt, um das von XGBoost erstellte Black-Box-Modell zu in seine Bestanteile zu zerlegen und für jedes Degradations-Pixel in der Karte den Haupttreiber zu extrahieren.The aims of this thesis are to gain an integrated and systematic understanding of the processes and determinants of land degradation on the Mongolian Plateau. Xilingol was chosen as a suitable example, mainly since it is covered by vast grassland, and has experienced almost all ecological policies that have been implemented in China. Two distinct phases were identified in this region: 1975-2000 and 2000-2015. During the first phase (up to 2000), land degradation was the dominant land use change process, accounting for 11.4% of the total area. During this phase, human disturbance was the major driver in eight counties, whereas the water condition was the dominant driver in six counties. During the second phase (post-2000), land restoration increased (12.0% of the total area), whereas degradation continued, resulting in a further 9.5% of degraded land. During this phase, urbanisation became the dominant driver of land degradation in seven counties, while effects resulting from human disturbance and water availability decreased after 2000. After identifying the major drivers of degradation, the complex relationships between drivers and grassland degradation were captured. The results indicated that the distance to dense, moderately dense grass and sparse grass and sheep density were responsible for the grassland degradation dynamics. In this thesis, a clustering method, partial order theory and Hasse diagram techniques were first used to identify the major drivers of land degradation at the county level. Subsequently, an approach from machine learning, XGBoost (eXtreme Gradient Boosting), was used to predict the dynamics of grassland degradation. Moreover, SHAP (SHapley Additive exPlanations) values were used to open up the black box model, and the primary driver was extracted for each pixel showing degradation.
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Van, Zyl N. J. W. "Land-use transport strategies to cope with suburbanisation". Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52913.
Abstract (sommario):
Thesis (PhD)--University of Stellenbosch, 2002.ENGLISH ABSTRACT: Suburbanisation is a world-wide phenomenon and is characterised by the decline of central business districts and accelerated growth of commercial activities in the suburbs. The impact of suburbanisation is wide-spread and multi-dimensional, affecting the whole urban system in terms of its structure, activity and transport patterns. In South Africa, suburbanisation, together with the impact of the former group areas policy, has made suburban developments less accessible to the low-income groups living on the edges of the metropolitan area. Planners have proposed various urban densification strategies for the rather unique problems of the spatially inefficient South African cities, including corridor development along main public transport routes and the development of activity nodes. In order to implement these urban densification strategies successfully, it is important to understand the locational choice behaviour of business managers, and the factors that will attract them to locate in a certain area. This will enable metropolitan authorities to evaluate and implement the best policies to promote development of priority corridors and nodes The research for this dissertation was motivated by the extensive problems of suburbanisation, the lack of knowledge on the relative impact of land-use transport factors on the locational choices of businesses, and the apparent limited application of stated preference (SP) survey techniques and discrete choice models to spatial choices of businesses for urban planning purposes. The main objectives of the research were to determine the locational choice behaviour of retail businesses in strategic spatial terms, and how this knowledge can best be used to manage suburbanisation. The dissertation reviews intemational and South African studies on the planning and policies of the main role players in the urban system relating to retail suburbanisation, i.e. the planning authority, retail firms and consumers. The dissertation discusses the results of the market research that was done among Cape Town retailers located in the CSO, and in low- and high-income suburbs. The survey collected quantitative information regarding the locational choice factors of retail managers, importance ratings of choice factors as well as stated preferences for CSO and suburban locations. The calibration results of various discrete locational choice models are discussed, including elasticities of choice factors obtained from model applications to the SP data. The development of a spreadsheet locational choice model based on typical characteristics of CSO and suburban locations is subsequently discussed. Elasticities of choice factors from the application of the spreadsheet model were determined and the model was also used to test a decentralisation trend scenario and a managed suburbanisation scenario. The dissertation makes conclusions and recommendations regarding the most important locational choice factors of retail managers, and the most effective policies and strategies for metropolitan authorities to manage suburbanisation and promote urban densification. The performance of SP models applied to spatial choices are also evaluated and recommendations are made regarding their application and further research needs.
AFRIKAANSE OPSOMMING: Stedelike desentralisasie is 'n wêreldwye verskynsel wat gekenmerk word deur die verval van sentrale sakegebiede (SSG) en die snelle groei van handelsbedrywighede in voorstede. Die impak van desentralisasie is verreikend en multi-dimensioneel en beïnvloed die hele stadstelsel in terme van sy struktuur, aktiwiteite and reispatrone. In Suid Afrika het desentralisasie saam met die impak van die voormalige groepsgebiedebeleid voorstedelike ontwikkelings minder toeganklik gemaak vir die lae-inkomstegroepe wat op die rand van die metropolitaanse gebiede woon. Beplanners het verskeie stadsverdigtingstrategieë, insluitende korridorontwikkeling langs hoofvervoerroetes en die ontwikkeling van aktiwiteitsnodusse voorgestelom die unieke probleme van die ruimtelik ondoeltreffende Suid-Afrikaanse stede die hoof te bied. Om hierdie stadsverdigtingstrategieë suksesvol te implementeer, is dit egter belangrik om die liggingskeusegedrag van besigheidsbestuurders, sowel as die faktore wat hulle beweeg om hulle in 'n spesifieke gebied te vestig, te verstaan. Hierdie kennnis sal metropolitaanse owerhede in staat stelom beleid te evalueer en die beste beleidsopsies te implementeer om die ontwikkeling van voorkeurkorridors en nodusse te bevorder. Die navorsing vir hierdie verhandeling is gemotiveer deur die omvattende probleme wat deur stedelike desentralisasie veroorsaak word, die gebrek aan kennis oor die relatiewe impak van grondgebruik-vervoerfaktore op die liggingskeuse van besighede, en die klaarblyklik beperkte toepassing van verklaardevoorkeuropnametegnieke (V V) en diskrete-keusemodelle op die liggingskeuses van besighede vir stadsbeplanningsdoeleindes. Die hoofdoelstellings van die navorsing was om die liggingskeusegedrag van kleinhandelbesighede in strategiese ruimtelike terme te bepaal en vas te stel hoe hierdie kennis gebruik kan word om stedelike desentralisasie te bestuur. In hierdie verhandeling word 'n oorsig gegee van die internasionale en Suid- Afrikaanse studies oor die beplanning en beleid van die belangrikste rolspelers in the stadstelsel wat desentralisasie van kleinhandel betref, naamlik die beplanningsowerheid, kleinhandelfirmas en verbruikers. Die resultate van marknavorsing onder kleinhandelaars vanuit Kaapstad se SSG en lae- en hoë-inkomstevoorstede, word bespreek. Die opname het kwantitatiewe inligting oor die liggingskeusefaktore van kleinhandelaars, die belangrikheid wat hulle aan keusefaktore heg, en hulle verklaarde voorkeure ten opsigte van vestiging in die SSG of die voorstede, ingesamel. Die kalibrasieresultate van verskeie diskretekeusemodelle word bespreek, insluitende die elastisiteite van keusefaktore wat deur die toepassing van die modelop V V-data verkry is. Vervolgens word die ontwikkeling van 'n liggingskeusemodel in 'n spreitabel wat op tipiese kenmerke van SSG- en voorstedelike liggings gebaseer is, bespreek. Elastisteite van die liggingsfaktore is bepaal deur die toepassing van die spreitabelmodel, en die model is ook gebruik om 'n desentraliasietendensscenario en 'n bestuurdedesentralisasiescenario te toets. Ten slotte word daar gevolgtrekkings en aanbevelings gemaak oor die belangrikste liggingskeusefaktore van kleinhandelaars, en die mees effektiewe beleidsopsies en strategieë wat metropolitaanse owerhede kan volg om stedelike desentralisasie te bestuur en stadsverdigting te bevorder. Die werkverrigting van V V-modelle wanneer dit op die liggingskeuse van besighede toegepas word, word ook geëvalueer en aanbevelings word gemaak oor die toepassing daarvan en verdere navorsing wat nodig is
18
Pudasaini, Madhu S., University of Western Sydney, of Science Technology and Environment College e School of Engineering and Industrial Design. "Erosion modelling under different land use management practices". THESIS_CSTE_EID_Pudasaini_M.xml, 2003. http://handle.uws.edu.au:8081/1959.7/721.
Abstract (sommario):
Soil erosion has been recognised as a global threat against the sustainability of natural ecosystem. The work in this thesis has been undertaken to assist in combating this threat, and addresses the soil erosion issues associated with urban construction activities. The Revised Universal Soil Loss Equation (RUSLE) was employed in this research work and the parameters associated with the model were calibrated. This model was chosen for calibration, as it has been proven to be an easy to use tool yet providing reasonable results. Large scale rainfall simulators developed at UWS were used for rainfall simulation at two sites with diverse soil types: dispersive clayey soils at Penrith and highly permeable sandy soil at Somersby (Both in New South Wales, Australia). It is concluded that RUSLE can be successfully used in single storms for erosion prediction. Calibrated values of RUSLE parameters are useful in predicting soil erosion from the construction sites in NSW. It is also identified that in rolled smooth land condition, clayey soils are more erodible than sandy soil. Specific support practices such as short grass strips, gravel bags and silt fences are identified as very effective erosion control measures in reducing soil erosion from 45% to 85%. These results will be very useful in soil erosion prediction planning and conservation management in NSW.Master of Engineering (Hons)
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Pudasaini, Madhu Sudan. "Erosion modelling under different land use management practices". View thesis, 2003. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20040401.140345/index.html.
20
Mesev, T. Victor. "Urban land use modelling from classified satellite imagery". Thesis, University of Bristol, 1995. http://hdl.handle.net/1983/f900aca1-b631-4612-a4a1-8d5bb2a7234e.
21
Tizora, Petronella Chenayi. "Modelling land use and land cover change in the Western Cape Province". Diss., University of Pretoria, 2018. http://hdl.handle.net/2263/65948.
Abstract (sommario):
The Western Cape Province is currently faced with population growth, declining household sizes, increasing household numbers, high levels of migration, urbanization and escalating development pressures. These factors have consequently triggered changes in land use and land cover (LULC) and incited issues such as urban sprawl, marginalization of the poor, limited public access to resources, land degradation and climate change. Furthermore, the issues surrounding LULC in the Province emanate from past inequities in access to land coupled with unsustainable land use practices. This poses a challenge to the government which strives for a sustainable nation that safeguards democracy by providing basic access to services, managing limited resources and advancing effective and efficient integrated planning whilst maintaining ecosystem functions. Understanding drivers of LULC change and how various factors influence LULC is important in meeting this challenge. Models which integrate and evaluate diverse factors of LULC change can be used to guide planners in making more informed decisions and achieving a balance between urban growth and preservation of the natural environment. The implementation of these models at a regional scale is however very limited in South Africa. LULC change models are valuable if their structures are based on deep knowledge of the system under investigation and if they produce credible results. This study therefore investigates the suitability of LULC change models in simulating LULC changes at a regional scale by quantifying changes in LULC in the Western Cape Province, determining the driving factors of LULC changes and exploring and implementing a regional land use change model. An investigation of changes in LULC was conducted by integration of a desktop study of LULC maps using the 1990 and 2013-2014 South African National LULC datasets; document analysis; and expert opinion in the form of semi-structured interviews with municipality town planners. An adapted Driver-Pressure-State-Impact-Response (DPSIR) Framework was used to analyse and present LULC changes in the study area. A literature review was conducted in shortlisting of models and further evaluations involved analysis of the models using selection criteria which focused on the model’s relevance to the study area, linkage potential to other models or software, transferability, user friendliness, data requirements and cost. The results of this study show that LULC changes in the Western Cape Province are driven by political, economic, technological, demographic, environmental and cultural factors which must be considered in strategies and policies in future planning to avoid detrimental impacts on the environment whilst maintaining socio-economic benefits. These factors were integrated in a hybrid model that was successfully implemented in the study area by combining Dyna-CLUE and Markov concepts. The hybrid model produced probability maps and simulation maps for the years between 1990 and 2014. Validation of the simulated maps was conducted using both visual and statistical analysis and the results indicated that the simulated maps were in good agreement with the validation map. Data availability was observed as the main drawback which influenced both the implementation of other suitable models and the accuracy of simulated maps. This study however contributes to the understanding of driving factors of LULC change and implementation of LULC change models at a regional scale in the South African context. Knowledge derived from this study can be used by planners as a guide to effectively gauge the impacts that planning policies and other driving factors might have on future LULC patterns in the Western Cape Province.Dissertation (MSc)--University of Pretoria, 2018.
Geography, Geoinformatics and Meteorology
MSc
Unrestricted
22
Moxey, Andrew Paul. "Agricultural economics within the NERC/ESRC Land Use Programme". Thesis, University of Newcastle Upon Tyne, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285319.
23
Boshielo, Shela Paulina Polly. "Is successful integration of land-use and transport planning centred around a catalytic city-wide public transport network improvement project?" Master's thesis, University of Cape Town, 2018. http://hdl.handle.net/11427/29423.
Abstract (sommario):
This case study showed that land-use and transport planning in South Africa are not successfully integrated. In addition, the institutional arrangements governing land-use and transport planning are not properly aligned and operate in silos. This study investigated various mechanisms that can be used to successfully integrate land-use and transport planning. The main purpose of this study was to find the common key features of successful integrated land-use and transport planning. The study was based on a case study method. The data was collected from secondary sources in three widely-acclaimed international cities that have implemented land-use and transport planning. The major finding of the study was that successful integration of land-use and transport planning are centred on a catalytic city-wide public transport network improvement project. All three international case studies (Curitiba, Portland and Copenhagen) that were studied, have successfully integrated its land-use and transport planning, and had a catalytic public transport network project at its core. The study concluded that, to be successful, the integration of land-use and transport planning need to be centred on a catalytic city-wide public transport network improvement project.
24
Stabile, Marcelo C. C. "Deconstructing the complexity of land use and cover classification and land change modelling". Thesis, The University of Sydney, 2011. http://hdl.handle.net/2123/8640.
Abstract (sommario):
Land use and land cover (LULC) dynamics are an integral component of global change. In this thesis, various approaches were developed to unravel the complexity of LULC classification and the subsequent application of the multi-temporal LULC data for land change modelling. This complexity is particularly relevant in this study, whereby the available multi-temporal remote Landsat images are noisy and of relatively low spatial resolution. First, a semi-automated object-based method using rulesets and supervised classification was developed. This method was applied to the multi-temporal Landsat images to produce LULC maps. As the outcomes of the classification were not sufficiently accurate for land change modelling, the LULC maps were subsequently augmented using expert knowledge and input from landowners. Second, since high-resolution aerial photos were available for portions of the study area for 1998 and 2004, a case study was done with image fusion. The case study compared LULC maps derived from the different levels of fusion to those from the non-fused images. The results indicated that the feature- and decision-level fusion produced LULC maps which could be used for land change modelling. Third, in order to develop a land change model, the augmented multi-temporal LULC maps were used for extracting transition probabilities for a Markov-chain land change model. However, the classical Markov-chain method does not consider the neighbourhood influence, whereas the cellular automata does. A flexible hybrid approach, combining the Markov-chain and cellular automata algorithms, was developed. This was done to model the LULC dynamic transition probabilities to drive the change. The model’s sensitivity was assessed and the hybrid approach was tested by simulations of contemporary and future LULC patterns in the lower Hunter Valley, NSW with transition probabilities derived from various methods.
25
Bachels, Mark A. "Development of sustainable urban transport energy policy : transport and land use planning implications". Thesis, University of Canterbury. Environmental Science, 1999. http://hdl.handle.net/10092/6062.
Abstract (sommario):
The intent of this research was to investigate sustainable transport energy policy at a regional level. Transport energy use in the Canterbury region and Urban Christchurch provides the focus but a global context enables more far reaching conclusions.
The research focuses on regional and district level policy influences affecting transport energy use, cutting across a number of academic disciplines. The analysis suggests that well meaning independent land use and transport planning processes may be producing synergistic and unintended systemic outcomes leading to increasing transport energy use. The holistic approach adopted in this thesis develops an important tenet: unless means and ways are developed which provide balancing feedback to increasing car use - these unintended outcomes will continue.
Energy survey results for Canterbury and Urban Christchurch show that transport energy consumption is by far the fastest growing and largest sector. Mode split affects transport energy consumption as does trip length. In Christchurch car use dominates mode split. Cycling, public transport and walking are all declining in use while car trips are significantly increasing. Land use and transport planning policy factors are evaluated which affect transport energy use.
A new series of data for New Zealand's main urban areas, Christchurch, Wellington and Auckland are collected. The data include a detailed review of urban land use activities and transport network efficiencies, as well as data on economic and environmental implications of New Zealand's transport choices. This land use, transport, economic and environmental city data are compared to similar data collected for over 46 international cities. Analysis of the data reveals key insights into urban and transport planning policy effects on transport energy use, including many unexpected linkages between key parameters.
Utilising insights from the local planning process, literature on transport policy, and urban land use and transport indicators from a global survey, a systems modelling approach is utilised to identify and qualitatively assess feedback mechanisms affecting transport energy consumption. A number of positive feedbacks are found (resulting from planning policies) which support current transport energy trends.
Policies are identified for further investigation to reduce these positive feedbacks, including the need to provide more support for sustainable transport modes and reduce both car use and trip length. Key policy areas to investigate include the size of the urban area, population density and urban planning, the process of infill development, accessibility guidelines, traffic demand management measures, transport project improvement criteria (including road building), safety for slow modes, and transport funding.
26
Lee, Chi-on. "Sustainable development and integrated transport planning : "Is Hong Kong moving towards a more sustainable transport system for new development areas?" /". Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B2104238X.
27
Aalders, Ingrid H. "Landscape ecology and sustainable land use planning in East Suffolk". Thesis, University of East Anglia, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323351.
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Carneiro, Tiago Garcia de Senna. "Nested-ca: a foundation for multiscale modelling of land use and land cover change". Instituto Nacional de Pesquisas Espaciais, 2006. http://urlib.net/sid.inpe.br/mtc-m17@80/2007/01.03.11.57.
Abstract (sommario):
Este trabalho apresenta a base matemática do modelo chamado Autômatos Celulares Aninhados (Nested-CA), um modelo de computação destinado ao desenvolvimento de modelos de mudança de uso e cobertura do solo em múltiplas escalas. As principais propriedades do modelo nested-CA são descritas e comparadas aos modelos de computação baseados em agentes e em autômatos celulares. O modelo nested-CA foi implementado em uma ambiente computacional, chamado TerraME, que oferece uma linguagem de alto nível para a descrição de modelos, um conjunto de estruturas de dados espaço-temporais para a representação e simulação dos modelos, um modulo para o gerenciamento e análise de dados espaço-temporais integrado a um sistema de informações geográficas, e um conjunto de funções para calibração e validação dos modelos. As decisões de projetos envolvidas no desenvolvimento do ambiente de modelagem TerraME são descritas. A arquitetura do ambiente é detalhada e suas principais propriedades são comparadas com outras plataformas de modelagem: Swarm, STELLA, e GEONAMICA. Finalmente, o conceito de nested-CA e o ambiente TerraME são demonstrados em duas aplicações de mudança de cobertura do solo para a Amazônia brasileira.This work presents the mathematical foundations of the Nested Cellular Automata (nested-CA) model, a model of computation for multiple scale Land Use and Land Cover Change studies. The main properties of nested-CA model are described and compared to the agent-based and cellular automata models of computation. The nested- CA model has been implemented in a software environment, called TerraME (Terra Modeling Environment), which provides a high-level modeling language for model description, a set of spatiotemporal data structures for model representation and simulation, a module for spatiotemporal data management and analysis integrated to a geographic information system, and a set of functions for model calibration and validation. We describe the main design choices involved in the development of the TerraME modeling environment. Its architecture is detailed and the main properties are compared with other modeling tools: Swarm, STELLA, and GEONAMICA. Finally, the concept of nested-CA and the TerraME architecture are demonstrated in two applications of land cover change in the Brazilian Amazon.
29
Rodríguez, Eraso Nelly. "Land-cover and land-use change and deforestation in Colombia: spatial dynamics, drivers and modelling". Doctoral thesis, Universitat Autònoma de Barcelona, 2011. http://hdl.handle.net/10803/84004.
Abstract (sommario):
Este estudio analiza el cambio en la cobertura y uso del suelo con énfasis en los procesos de deforestación en dos regiones contrastantes de Colombia: Andes y Guyana, entre 1985 y 2005. Se aplicó un enfoque espacial y temporal a partir del análisis del cambio de uso y cobertura del suelo (LULCC) para evaluar y predecir los procesos de cambios asociándolos a variables explicativas y junto con métricas del paisaje y sistemas de información geográfica se analizaron patrones y tendencias de deforestación.
La utilización del suelo es el resultado de la interacción de una serie de factores biofísicos, económicos, tecnológicos, institucionales, culturales, etc, que operan en un rango de escalas espaciales y temporales y se correlacionan con los procesos y patrones del paisaje. Dado que los cambios en el uso de la tierra son cada vez más rápidos, es necesario comprender las fuerzas que impulsan esos cambios y predecir sus efectos sobre los procesos del ecosistema o del ambiente global
La información de cobertura del suelo para el presente estudio se basó en la interpretación de imágenes satelitales y las variables explicativas incluyeron datos biofísicos y socioeconómicos provenientes de una amplia gama de fuentes de información. Para la región de los Andes, el enfoque se dirigió a la aplicación de modelos de cambio de la tierra y de deforestación entre bosques montanos (montane forest) y bosques de piedemonte (lowland forest), usando enfoques espacialmente explícitos (Land Change Modeler-LCM) y modelos lineales generalizados (GLM). A nivel de la región de la Guayana, se estudiaron los patrones de deforestación en los modelos de ocupación típicos de la región, comparando tasas de cambio, patrones del paisaje y efectividad de figuras de conservación. Finalmente se modelizo el potencial de cambio futuro en ambas regiones prediciendo su evolución e identificando zonas de alto riesgo de deforestación y sus implicaciones frente a la conservación de la biodiversidad.
Las tasas de deforestación varían entre las regiones y al interior de ellas. Para los Andes la tasa anual de deforestación fue de 1.41%, mientras que para Guayana de 0.25%; sin embargo en Guyana se evidenciaron las mayores tasas asociadas con una fase rápida e intermedia de pérdida de bosque en un modelo de transición de colono a establecimientos permanentes. Los modelos utilizados en esta tesis, sugiere que el modelo espacial de LCM basado en probabilidades de Markov tiene un mejor respuesta para explicar los cambios en el uso del suelo que los modelos lineales generalizados. La variable explicativa que mayor incide en los procesos de cambio de uso del suelo y deforestación es la distancia de las carreteras, pero existen variables como la actividad económica, pendiente, distancia a pastos y precipitación que impulsan procesos de cambio y el peso de estas variables depende del tipo de bosques y la región.
Los resultados de esta tesis mostraron que algunas figuras de protección como el sistema de parques naturales nacionales y los resguardos indígenas pueden ser efectivas para frenar procesos de deforestación y que las zonas de transición entre Andes y Amazonia, Orinoquia y Magdalena Medio se encuentran bajo una mayor amenaza de conversión probable debido a su accesibilidad y migración de la población. Finalmente, una mejor comprensión de la dinámica de LULCC en Colombia, es un paso importante en el desarrollo de estrategias de planificación del territorio y conservación de la región y las investigaciones futuras deberán evaluar la incidencia de las políticas nacionales tales como tenencia de la tierra, REDD, políticas sectoriales, económicas y energéticas ante cambios en el uso del suelo y la deforestación.This study analyzes the land cover change with emphasis on the deforestation processes in two contrasting regions of Colombia: Andes and Guyana between 1985 and 2005. A spatial and temporal statistical approach was applied from the analysis of land cover change to evaluate and predict the processes of change associated with explanatory variables and together with metrics of landscape and systems of information patterns and tendencies of deforestation were analyzed. Land use is the result of the interaction of a series of biophysical, economic, technologic, institutional and cultural factors, among others, that operate in a level of spatial and temporal scales and correlate with landscape processes and partners. Given land change are faster and faster, it is necessary to understand the strengths that drive those changes and predict their effects on the processes of the ecosystem or the global environment. Land use information for this study was based on the interpretation of satellite images and the explanatory variables including biophysical and socioeconomic data from a wide range of source of information. For the Andean region, the approach was directed towards the application of land change and deforestation models in montane and lowland forests, using Land Change Modeler – LCM and Generalized Lineal Models (GLM). At the level of La Guyana region, the patterns of deforestation were studied in the models of typical occupation of the region, comparing change rates, landscape patterns and effectiveness of figures of conservation. Finally the potential of change was modeled in both regions predicting its evolution and identifying zones of high risk of deforestation and their implications in the conservation of the biodiversity. The rates of deforestation vary in the regions and in the inside of them. For the Andean region the annual rate of deforestation was 1.41%, whereas for Guyana was 0.25%; however in Guyana the highest rates were showed associated with a fast and intermediate stage of loss of forest in a transition model from settler to permanent establishment. The models used in this thesis, suggest that the spatial model of LCM based on probabilities of Markov has a better response to explain land use changes than the generalized lineal models. The explanatory variable that greatly affect in land use change processes is the distance of roads, but variables like the economic activity, slope, distance to pasture and precipitation exist and drive processes of change and the burden of these variables depend on the type of forests and the region. The results of this thesis showed that some figures of protection like the system of National Natural Parks and the indigenous reserves can be effective to hold deforestation processes back and that the transition zones between Andes and Amazonia, Orinoquia and Magdalena Medio are under a greater threat of conversion probably because of their accessibility and migration of the population. Finally, a better understanding of the dynamic of LULCC in Colombia, is an important step in the development of strategies of planning of the territory and conservation of the region and the future investigations must evaluate the incident of the national policies, like land ownership, REDD, sectorial, economic and energetic policies in the view of land use change and the deforestation.
30
Kreba, Sleem. "LAND USE IMPACT ON SOIL GAS AND SOIL WATER TRANSPORT PROPERTIES". UKnowledge, 2013. http://uknowledge.uky.edu/pss_etds/31.
Abstract (sommario):
The consequences of land use choices on soil water and gas transport properties are significant for gas and water flux in agricultural environments. Spatial and temporal patterns and associations of soil water and soil gas characteristics and processes in different land uses are not well understood. The objectives of this study were to 1) characterize soil structure under crop and grass systems, 2) quantify spatial patterns and associations of soil physical characteristics in crop and grass systems, and 3) quantify spatial and temporal patterns and associations of CO2 and N2O fluxes. The research was conducted in a 60 by 80 m field divided into grass and crop systems. Sixty sampling points were distributed in four transects with 5- and 1-m spatial intervals between measurement points. Gas fluxes were measured, at two-week time intervals, 22 times during a year. Pore size distribution was more homogeneous and more continuous pores were found in the grass than in the crop system. The spatial variability of most selected soil physical characteristics was more structured in the crop than in the grass system, which reflected the impact of land use and soil structure on their spatial patterns. CO2 flux was dependent for a longer distance in the grass than in the crop system, however, the two land-use systems exhibited similar spatial ranges of N2O flux. Gas fluxes were temporally dependent for a longer period in the grass than in the crop system. The spatial associations between CO2 and N2O fluxes and selected biochemical and physical factors depended on the flux sampling season and land use. Soil temperature was the dominant controlling factor on the temporal variability of CO2 and N2O fluxes but not on the spatial behavior. Considering the spatial and temporal ranges and dependency strength of soil variables helps identify efficient sampling designs that can result in better time and resource management. Spatial and temporal relationships between the selected soil variables also improve understanding soil management and sampling soil variables. This study provides the baseline and recommendations for future investigations specifically for sampling designs, soil management, and predictions of different soil processes related to gas fluxes.
31
Akombelwa, Mulemwa. "Modelling land-use decision-making in encroached forests, Copperbelt Province, Zambia". Thesis, University of Nottingham, 2011. http://eprints.nottingham.ac.uk/12131/.
Abstract (sommario):
Natural resource management is an important issue around the world in the light of increased global population size and the subsequent demands arising from an increased need for food, clean water and other ecosystem services. This has often resulted in the encroachment of protected areas and the adoption and maintenance of unsustainable land use practices. This study is concerned with the development of tools that will help us understand the characteristics of land use decision-making by people who illegally settle in protected areas. The study has the main aim of developing a model of local stakeholder land-use decision-making for the encroached forest areas in the Copperbelt Province of Zambia. This will allow the modelling of the stakeholder land-use practices. This will help predict their effects on the environment of the Province. Soft Systems Methodology (SSM) was used to develop a conceptual model of land use decision making in the study area and the outputs from SSM were used to develop a Belief Network (BN) model of land use decision making in the study area. Decision trees were also used to model the land use decision-making characteristics of the local stakeholders in the area. The findings suggest that SSM is a useful tool for the modelling of the complex problem situation in the study area and the subsequent development of solutions to the problems identified through participatory approaches. The research also showed that BNs and decision trees were able to model land use decision-making by using the agricultural activity as a basis for analysis. The findings suggest that BNs and decision trees are complementary and have the potential for addressing applications in land-use decision-making in informal settlements where available information is more likely to be scant and disparate.
32
Gottschalk, Pia. "Modelling soil organic carbon dynamics under land use and climate change". Thesis, University of Aberdeen, 2012. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=186643.
Abstract (sommario):
Soil organic matter (SOM) models simplify the complex turnover dynamics of organic matter in soils. Stabilization mechanisms are currently thought to play a dominant role in SOM turnover but they are not explicitly accounted for in most SOM models. One study addresses the implementation of an approach to account for the stabilization mechanism of physical protection in the SOC model RothC using 13C abundance measurements in conjunction with soil size fractionation data. SOM models are increasingly used to support policy decisions on carbon (C) mitigation and credibility of model predictions move into the focus of research. A site scale, Monte Carlo based model uncertainty analysis of a SOM model was carried out. One of the major results was that uncertainty and factor importance depend on the combination of external drivers. A different approach was used with the SOM ECOSSE model to estimate uncertainties in soil organic carbon (SOC) stock changes of mineral and organic soils in Scotland. The average statistical model error from site scale evaluation was transferred to regional scale uncertainty to give an indication of the uncertainty in national scale predictions. National scale simulations were carried out subsequently to quantify SOC stock changes differentiating between organic and mineral soils and land use change types. Organic soils turned out to be most vulnerable to SOC losses in the last decades. The final study of this thesis emplyed the RothC model to simulate possible futures of global SOC stock changes under land use change and ten different climate scenarios. Land use change turned out to be of minor importance. The regionally balance between soil C inputs and decomposition leads to a diverse map of regional C gains and losses with different degrees of certainty.
33
Son, Ill. "Modelling the hydrological effects of land-use change in small catchment". Thesis, University of Southampton, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358382.
34
MacFarlane, Robert Hywel. "Integrating behavioural models with GIS for land-use policy impact modelling". Thesis, University of Aberdeen, 1994. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU067330.
Abstract (sommario):
In this project, a range of characteristics describing farmers as decision-makers and details of their land holdings are integrated within a Geographic Information System (GIS) and used to predict overall farm response to defined policy scenarios, for a study area in the upland fringe of Grampian Region. Agriculture has undergone considerable adjustments over the past 40 years, characterised by the processes of intensification and specialisation of farming systems. These changes have been essentially policy-driven, although the precise interaction of policy, technological and macro-economic forces are not entirely understood. Further to this, rural areas are subject to an increasing range of consumption demands which has stimulated a new range of land-use policy schemes, and constraints, on farmers and landowners. From a position of assured government support which was enjoyed by the majority of farmers until the mid-1980s, the policy situation has developed into one of uncertainty and some confusion over the requirements and responsibilities placed on individual farmers. This research links spatial, behavioural and economic elements which combine to condition farm-level response to policy change. The complexity of individuals' decision environments, coupled with the diversity of individuals' values, objectives and resources is immense. The focus is on individual farms, and the implications of change at the individual level in developing a model of farm-level response to policy and market shifts.
35
Chingombe, Wisemen. "Effects of land-cover - land-use on water quality within the Kuils - Eerste River catchment". Thesis, University of Western Cape, 2012. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_5893_1373463134.
Abstract (sommario):
The most significant human impacts on the hydrological system are due to land-use change. The conversion of land to agricultural, mining, industrial, or residential uses significantly alters the hydrological characteristics of the land surface and modifies pathways and rates of water flow. If this occurs over large or critical areas of a catchment, it can have significant short and long-term impacts, on the quality of water. While there are methods available to quantify the pollutants in surface water, methods of linking non-point source pollution to water quality at catchment scale are lacking. Therefore, the research presented in this thesis investigated modelling techniques to estimate the effect of land-cover type on water quality. The main goal of the study was to contribute towards improving the understanding of how different land-covers in an urbanizing catchment affect surface water quality. The aim of the research presented in this thesis was to explain how the quality of surface runoff varies on different land-cover types and to provide guidelines for minimizing water pollution that may be occurring in the Kuils-Eerste River catchment. The research objectives were
(1) to establish types and spatial distribution of land-cover types within the Kuils-Eerste River catchment, (2) to establish water quality characteristics of surface runoff from specific land-cover types at the experimental plot level, (3) to establish the contribution of each land-cover type to pollutant loads at the catchment scale. Land-cover characteristics and water quality were investigated using GIS and Remote Sensing tools. The application of these tools resulted in the development of a land-cover map with 36 land classifications covering the whole catchment. Land-cover in the catchment is predominantly agricultural with vineyards and grassland covering the northern section of the catchment. Vineyards occupy over 35% of the total area followed by fynbos (indigenous vegetation) (12.5 %), open hard rock area (5.8 %), riparian forest (5.2 %), mountain forest
(5 %), dense scrub (4.4 %), and improved grassland (3.6 %). The residential area covers about 14 %. Roads cover 3.4 % of the total area. Surface runoff is responsible for the transportation of large quantities of pollutants that affect the quality of water in the Kuils-Eerste River catchment. The different land-cover types and the distribution and concentration levels of the pollutants are not uniform. Experimental work was conducted at plot scale to understand whether land-cover types differed in their contributions to the concentration of water quality attributes emerging from them. Four plots each with a length of 10 m to 12 m and 5 m width were set up. Plot I was set up on open grassland, Plot II represented the vineyards, Plot III covered the mountain forests, and Plot IV represented the fynbos land-cover. Soil samples analyzed from the experimental plots fell in the category of sandy soil (Sa) with the top layer of Plot IV (fynbos) having loamy sand (LmSa). The soil particle sizes range between fine sand (59.1 % and 78.9 %) to coarse sand (between 7 % and 22 %). The content of clay and silt was between 0.2 % and 2.4 %. Medium sand was between 10.7 % and 17.6 %. In terms of vertical distribution of the particle sizes, a general decrease with respect to the size of particles was noted from the top layer (15 cm) to the bottom layer (30 cm) for all categories of the particle sizes. There was variation in particle size with depth and location within the experimental plots.Two primary methods of collecting water samples were used
grab sampling and composite sampling. The quality of water as represented by the samples collected during storm events during the rainfall season of 2006 and 2007 was
used to establish
water quality characteristics for the different land-cover types. The concentration of total average suspended solids was highest in the following land-cover types, cemeteries (5.06 mg L-1), arterial roads/main roads (3.94 mg L-1), low density residential informal squatter camps (3.21 mg L-1) and medium density residential informal townships (3.21 mg L-1). Chloride concentrations were high on the following land-cover types, recreation grass/ golf course (2.61 mg L-1), open area/barren land (1.59 mg L-1), and improved grassland/vegetation crop (1.57 mg L-1). The event mean concentration (EMC) values for NO3-N were high on commercial mercantile (6 mg L-1) and water channel (5 mg L-1). The total phosphorus concentration mean values recorded high values on improved grassland/vegetation crop (3.78 mg L-1), medium density residential informal townships (3mgL-1) and low density residential informal squatter camps (3 mg L-1). Surface runoff may also contribute soil particles into rivers during rainfall events, particularly from areas of disturbed soil, for example areas where market gardening is taking place. The study found that different land cover types contributed differently to nonpoint source pollution. A GIS model was used to estimate the diffuse pollution of five pollutants (chloride, phosphorus, TSS, nitrogen and NO3-N) in response to land cover variation using water quality data. The GIS model linked land cover information to diffuse nutrient signatures in response to surface runoff using the Curve Number method and EMC data were developed. Two models (RINSPE and N-SPECT) were used to estimate nonpoint source pollution using various GIS databases. The outputs from the GIS-based model were compared with recommended water quality standards. It was found that the RINSPE model gave accurate results in cases where NPS pollution dominate the total pollutant inputs over a given land cover type. However, the N-SPECT model simulations were too uncertain in cases where there were large numbers of land cover types with diverse NPS pollution load. All land-cover types with concentration values above the recommended national water quality standard were considered as areas that needed measures to mitigate the adverse effects of nonpoint pollution. The expansion of urban areas and agricultural land has a direct effect on land cover types within the catchment. The land cover changes have adverse effect which has a potential to contribute to pollution.
36
Mees, Paul. "Public transport policy and land use in Melbourne and Toronto, 1950 to 1990 /". Connect to thesis, 1997. http://eprints.unimelb.edu.au/archive/00000155.
37
Fahmi. "Integrating disaster mitigation strategies in an integrated land use and transport plan for urban transport sustainability". Thesis, University of Leeds, 2017. http://etheses.whiterose.ac.uk/16509/.
Abstract (sommario):
High-risk cities worldwide face problems regarding increases in vulnerability to natural disaster combined with urban-transport problems. Up till now, there has been no study that was specifically concerned with these two issues simultaneously regarding how these cities should define their sustainability concept and formulate their land use and transport strategies in the framework of sustainable development. This study presents an approach for integrating concepts for disaster mitigation strategies into the land-use transport interaction (LUTI) plan by combining the disaster mitigation strategies with the conventional land use and transport strategies in the framework of urban risk reduction and urban transport sustainability. There were 18 combined alternative policy measures selected, which were classified into three different land use strategies and five alternative different transport policy measures. The land use strategies consist of (A) accommodation (BAU), (B) planned-retreat with strict zoning, and (C) planned-retreat with pricing policy. The alternative transport policy measures consist of (1) Bus rapid transit (BRT), (2) parking charge, (3) cut fuel subsidy, (4) combination of BRT and parking, and (5) combination of BRT, parking and cut subsidy This innovative approach is the first original contribution of this research. MARS LUTI model was modified by adding disaster risk factor in its sub land use of model, which become as the second original contribution of this research. In the level of strategies evaluation, all of the strategies tested were measured using four indicators, which consist of (1) vulnerability, (2) environment, (3) economic and (4) efficiency indicators. The additional of vulnerability indicator the framework of urban transport sustainability is the third original contribution of this research. The main finding for the case study are as follows : (1) the application of the two land use policy measures (strict zoning and pricing) gave significant contribution in reducing city vulnerability to potential tsunami disaster in the future, which could be applied to promote the concept of urban risk reduction. (2) The combination of “push and pull transport strategies” application through the combined BRT, parking and cut subsidy produced the best performance compared to the others alternative policy measures selected. The push and pull transport strategy succeed to direct the evolution of urban transport condition in the framework of urban transport sustainability in order to reach the sustainability objectives.
38
Belaieff, Antoine, Gloria Moy e Jack Rosebro. "Planning for a Sustainable Nexus of Urban Land Use, Transport and Energy". Thesis, Blekinge Tekniska Högskola, Avdelningen för maskinteknik, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-3304.
Abstract (sommario):
Land use, transport, and energy systems create demands that are transferred to ecosystems. Urban sprawl is increasing, open space and farmland are disappearing and climate change is a growing concern. Yet local, national, and EU policies on sustainable development and economic growth are often at odds with one another. A sector-by-sector approach that focuses on incremental actions precludes effective, integrated solutions. Progress towards sustainability requires a systems-based perspective grounded in science. This paper presents a comprehensive and strategic framework to help communities (1) adopt a whole-systems view to land use, transport, and energy, (2) develop a vision to guide their actions, and (3) strategically adopt actions that close the gap between the current reality and the envisioned sustainable future. An emphasis is placed on strategies related to governance structures and strategies to secure political and public acceptance, including approaches to public participation.
39
Mir, Rigau Xavier. "Land Use Impact Assessment on the Nutrient Transport in the lake Mälaren". Thesis, KTH, Mark- och vattenteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-170450.
Abstract (sommario):
Stockholm and its surroundings are facing strong urban changes and it is forecasted that the increase of population will be the principal driver for the urban regions surrounding the lake Mälaren in the next decades. A thorough regional and urban planning is needed in order to build a sustainable society and protect the environment. In this sense Coupled Human and Natural Systems (CHANS) are useful tools for the creation of future scenarios of how urbanization and landuse changes will impact the ecosystems and the water resources. This master thesis is focused on how population growth and landuse changes impact both the surface water discharges and the nutrient transport in the Norrström Drainage Basin. In this regard the different comprehensive plans of 26 municipalities in the Stockholm-Mälardalen region were studied in order to create a landuse evolution model until 2040. The impacts of the changes of urbanization on the surface waters and the nutrient transport were obtained using the PCRaster environmental modelling tool following the guidelines of the PolFlow model. The results show an increase of the built-up urban areas of a 25% by 2040. Regarding the increase of flow in the surface waters, the results show a very small increase in the flow, due to the large scale of the study area. Finally the results for the nutrient transport show an increase of the nutrient loads at the outlet of the lake Mälaren of 20% in the case of nitrogen and 15% for phosphorus.Stockholm regionen står inför kraftiga urbana förändringar och det förutses att befolkningsökningen kommer att bli den främsta drivkraften för storstadsregionerna kring Mälaren under de kommande årtiondena. En grundlig regional- och stadsplanering behövs för att bygga ett hållbart samhälle och skydda miljön. I detta sammanhang är Coupled Human and Natural Systems (CHANS) användbara verktyg för att skapa framtidsscenarier för hur urbanisering och markanvändningar kommer att påverka ekosystem och vattenresurser. CHANS verktyg möjliggör analys av komplexa mönster och processer som inte framgår tydligt vid separata sociala och naturvetenskapliga studier. Inom CHANS ramverk fokuserar detta examensarbete på hur befolkningstillväxt och markanvändning och de ändringear de medför påverkar ytvattenutsläpp samt näringstransport i Norrström avrinningsområden. I detta avseende studerades olika översiktsplaner av 26 kommuner i Stockholm-Mälardalen regionen för att bygga en markanvändning evolutionmodell fram till 2040. Det studerade scenariot utvärderade konsekvenser av förändringarna i urbaniseringen som beskrivs i de omfattande översiktplanerna på ytvatten och näringsämne transport. Verktyget som användes för att utföra detta examensarbete var PCRaster. Det är ett miljömodelleringsverktyg som tillåter behandling av stora distribuerade data och kan skapa spatiotemporala miljömodeller. I detta avseende fördelades modellen i tre delar. Först erhölls den temporala markanvändningsevolutionen efter uppgifter från kommunala översiktplaner. Därefter beräknades ytvattenutsläppen med CN-metoden. Slutligen byggdes den näringstransportmodellen med hjälp av riktlinjerna från PolFlow modellen och näringsbelastningen från HELCOM och TRK-projektet. Resultaten visar en ökning av de bebyggda stadsområdena från 3,3 % bebyggda under år 2005 till 4,2 % år 2040 för hela Norrström avrinningsområde, som innebär en ökning med 25 % av de bebyggda områdena. Beträffande flödet i ytvattnet visar resultaten en jätteliten ökning av flödet på grund av att det studerade området har en stor skala. Slutligen visar resultaten för näringsämnenstransport en ökning av näringsbelastningen vid utloppet av sjön Mälaren med 20 % kväve och 15 % fosfor.
40
Lopes, Andrà Soares. "Transport, land use and activities: conceptual modeling for the urban accessibility planning". Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=15703.
Abstract (sommario):
CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel SuperiorO planejamento complexo de cidades exige o desenvolvimento de modelos conceituais do funcionamento e dependÃncias mÃtuas dos seus elementos constituintes. Jà hà algumas dÃcadas, as comunidades tÃcnico-cientÃficas associadas ao planejamento de cidades tentam modelar a interaÃÃo entre os subsistemas urbanos de uso do solo e transportes. Seus esforÃos isolados conseguiram alcanÃar certo Ãxito na representaÃÃo parcial do fenÃmeno urbano, mas ainda esbarram na dificuldade de tratar tais sistemas multidimensionais como uma problemÃtica Ãnica, abrangente e integrada. A partir de uma revisÃo dos modelos conceituais acerca de sistemas LUTI (IntegraÃÃo de Uso do solo e Transportes, do original âLand Use and Transport Interactionâ) verificou-se um conjunto de fragilidades conceituais que dificultam o processo de modelagem integrada do fenÃmeno urbano. Dentre estas fragilidades destaca-se o fato de estes esforÃos nÃo representarem a contento, ou mesmo reconhecerem, de que subsistemas à constituÃdo o sistema urbano. Consequentemente, reconhecemos a necessidade do desenvolvimento de uma proposta de modelagem conceitual sistÃmica do fenÃmeno urbano, que incorpore aspectos de dinamicidade da relaÃÃo entre os subsistemas de atividades, uso do solo e transportes. Esta proposta de modelo, chamado de modelo ALUTI (âActivity, Land Use and Transport Interactionâ), constitui uma ferramenta de comunicaÃÃo entre as comunidades tÃcnico-cientÃficas de planejamento de cidades. Ela à baseada na teoria microeconÃmica de relaÃÃes oferta/demanda e na suposiÃÃo das relaÃÃes de causalidade entre subsistemas, a partir de um modelo âa prioriâ, baseado na literatura. A aplicabilidade do modelo ALUTI à verificada para trÃs etapas fundamentais do planejamento da mobilidade e acessibilidade. Primeiro (1), como ferramenta demonstrativa da evoluÃÃo dos paradigmas do planejamento dos transportes, que và hoje o paradigma do planejamento da acessibilidade como caminho plausÃvel à integraÃÃo transdisciplinar dos esforÃos de planejamento. Segundo (2), como ferramenta representativa dos problemas que afligem os atores partÃcipes do fenÃmeno urbano. Desta aplicaÃÃo, reconhecemos problemas derivados de: proposiÃÃes metodolÃgicas; valores e princÃpios norteadores do planejamento; e de categorias distintas de restriÃÃes à acessibilidade. A terceira aplicaÃÃo do modelo ALUTI (3) à como ferramenta auxiliar à interpretaÃÃo das relaÃÃes de dependÃncia entre problemas, e de sua caracterizaÃÃo (quantificaÃÃo/qualificaÃÃo). Esta Ãltima aplicaÃÃo do modelo ALUTI evidencia a contribuiÃÃo do presente trabalho na definiÃÃo de hipÃteses de causalidade entre os elementos constituintes do sistema urbano integrado, e no auxÃlio à construÃÃo de indicadores que nos permitam melhor entender as relaÃÃes complexas entre problemas e restriÃÃes de acessibilidade.
A complex city planning requires the development of conceptual models of how these systems work and of the mutual dependencies of its constituent elements. For some decades now, the technical and scientific communities responsible for the city planning have been building some conceptual models of urban land use and transport interaction (LUTI). Isolated efforts of these communities have achieved some success in representing the urban phenomenon (understood as a complex system). They still encounter some difficulties in dealing with such multidimensional systems in a complex way. To achieve such goal it would require a more comprehensive and integrated approach. From the literature review of existing conceptual models that address the representation of LUTI systems we could find a set of conceptual weaknesses that hinder the integrated modeling of urban phenomena. Among these weaknesses we highlight that these efforts do not represent satisfactorily, or even recognize, subsystems that comprise the urban system. For this reason, we understand the need to develop a proposal for a systemic conceptual model for the urban phenomena. One that incorporates the dynamic aspects of the relationship among at least three subsystems (activities, land use and transport). The proposed model, called ALUTI model ("Activity, Land Use and Transport Interaction"), is a tool for communication between the technical and scientific communities of city planning. It is based on the microeconomic theory of supply/demand balance relationship, and the assumption of causal relationships between subsystems, derived from an âa prioriâ model. The applicability of the ALUTI model is verified for, at least, three basic stages of mobility and accessibility planning: Problem representation, characterization and diagnosis. First (1) as a demonstrative tool of the evolution of transport planning paradigms, which culminates today with the paradigm of accessibility planning as plausible path to the integration of transdisciplinary planning efforts. Second (2), as a representative tool of the problems afflicting the actors involved in urban phenomenon. In this application, we recognize a set of derivative problems: from the theoretical and methodological interpretations of the problems; from the guiding values and principles of planning; and from different types of accessibility restrictions. The ALUTI model third application (3) is as an auxiliary tool to the interpretation of dependency relationships between problems, and its characterization (quantification / qualification). This last application for the ALUTI model highlights the contribution of this work in defining causality hypotheses between the elements of integrated urban systems, and as an aid for the construction of indicators that enable us to better understand the complex relationships between problems and accessibility restrictions.
41
Benson, Kristen D. "Use of centrifuge modelling to validate an unsaturated transport numerical simulation". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2002. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/NQ65665.pdf.
42
Shariff, Noresah Mohd. "Modelling land use impacts of new highways : the Malaysian north-south expressway". Thesis, University of Manchester, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.685447.
43
Wright, Edward Peter Nelson. "The Influence of Sociodemographic and Land Use Patterns on Public Transport Use in Christchurch, New Zealand". Thesis, University of Canterbury. Department of Geography, 2010. http://hdl.handle.net/10092/4622.
Abstract (sommario):
This thesis investigated the links between public transport use and sociodemographic and land use factors. A dataset of address information about regular bus smartcard users was sourced. These addresses were geocoded using Geographical Information Systems, and the address points derived through this process were used to calculate the percentage of regular bus users in Census meshblock spatial areas. This percentage was then compared to a number of different factors, including deprivation levels (a measure of sociodemographic status), average distance to the nearest bus stop and bus route, and a number of variables from the New Zealand Census of Population and Dwellings, using a number of forms of analysis. The number of cardholders in different residential zonings was assessed, along with the average number of trips taken per day by cardholders. Results indicate that there was a relationship between the regular Metrocard users and deprivation, and regular Metrocard users and land use, however the statistical validity of these relationships was low. Principal component analysis and regression analysis were carried out to assess what variables best explained the proportion of bus use. It was found that the presence of International Students in an area accounted for the biggest variation in the levels of bus use, along with people who were Unemployed and of Maori or Pacific ethnicity, and people who have limited access to vehicles. However, the statistical validity of these results was again low.
44
Cheung, Kwok-wah. "The role of the railway in urban transport : integrated transport, land use and environmental planning in Hong Kong /". Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk:8888/cgi-bin/hkuto%5Ftoc%5Fpdf?B23339056.
45
Cheung, Kwok-wah, e 張國華. "The role of the railway in urban transport: integrated transport, land use and environmental planning in HongKong". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31945454.
46
Jia, Xuan. "Land-use/transport system in rapid developing Chinese cities case study in Shenzhen metro phase I's corridor /". Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43085441.
47
Almström, Peter. "Three essays on transport CBA uncertainty". Licentiate thesis, KTH, Systemanalys och ekonomi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-163355.
Abstract (sommario):
Cost Benefit Analysis (CBA) has for a long time been used in transport planning, but it is often questioned. One main argument against CBA is that the results depend largely on assumptions regarding one or a few input factors, as for example the future fuel price or valuation of CO2 emissions. The three papers included in this thesis investigate some aspects of uncertainty in transport CBA calculations. The two first papers explore how changes in input data assumptions affect the CBA ranking of six rail and road investments in Stockholm. The first paper deals with the effect of different land-use assumptions while the second deals with the influence of economic growth, driving cost and public transport fare. The third paper investigates how alternative formulations of the public transport mode choice and route choice affect travel flows, ticket revenues and consumer surplus. These are important factors previously known to affect CBA results. The findings of the first two papers suggest that CBA results are robust concerning different land-use scenarios and single input factors. No change in rank between a road and a rail object is observed in the performed model calculations, and only one change between two road objects. The fact that CBA results seem robust regarding input assumptions supports the use CBA as a tool for selecting transport investments. The results in the third paper indicate that if there is detailed interest in, for example, number of boardings and ticket income from a certain transit line, or the total benefit of a price change, a more detailed formulation of the public transport mode choice and route choice will provide more reliable results. On the other hand, this formulation requires substantially more data on the transit line and price structure than the conventional formulation used in Swedish transport planning, especially in areas with many different pricing systems.QC 20150414
48
Munthali, Maggie Golie. "Analysis of land use and land cover dynamics and its implications on natural resources in Dedza District Malawi". Thesis, University of Pretoria, 2020. http://hdl.handle.net/2263/77864.
Abstract (sommario):
Changes in land use and land cover (LULC) attributed to anthropogenic activities are one of the
fundamental drivers of environmental changes at the local, regional and global levels. These
changes continue to threaten the capacity of the ecosystems to function and provide environmental
goods and services and the ability to sustain the livelihoods of rural communities. Therefore, a
critical understanding of LULC patterns and dynamics is crucial for predicting future LULC
patterns and changes and formulation of appropriate policies, strategies and interventions for
sustainable management of natural resources. Dedza district like any other district in Malawi has
experienced rapid LULC changes over the past decades. However, knowledge about LULC
changes that occur, where and when they occur and the rates at which they occur is not well
documented. Equally important is the examination of the drivers and processes that cause these
changes and the extent to which these LULC changes have impacted on natural resources and rural
livelihoods in the studied area. As such, this remains a critical challenge that needs to be addressed
in order to achieve sustainable natural resource management and community development. This
study aimed to investigate the nature of LULC changes that have taken place between 1991 and
2015, drivers attributing to these changes and their impacts of these changes on the natural
resources in Dedza district of Malawi. The study used a mixed-method approach consisting of
remote sensing and Geographic Information System (GIS)-based analysis, model simulations,
focus-group discussions, key informant interviews, and semi-structured interviews covering 586
households. An overall accuracy of the classification achieved for the classified images was
91.86%. GIS-based analysis of remotely sensed data revealed that the areas under agricultural land,
forest area, wetlands, water bodies drastically decreased from 71.3% (267,977.43 ha), 24.53%
(9,939.15 ha), 0.96% (3,626.73 ha), 0.37% (1,380.60 ha) in 1991 to 69.41% (260,879.31 ha),
1.66% (6,237.63 ha), 0.71% (2,680.29 ha) and 0.24% (899.55 ha) in 2015. On the contrary, barren
land and built-up areas substantially increased from 24.53% (92,185.38 ha) and 0.20% (761.67 ha)
in 1991 to 25.85% (97,174.62 ha), 2.13% (7,999.56 ha) in 2015 respectively. Significant
differences were found among the interviewed households in perceptions regarding LULC changes
taken place in the studied landscape and distance to different infrastructures such as main roads,
health centres, schools, and towns (p < 0.001). The results of the household surveys indicated that
the local communities were aware of the LULC dynamics and validated the observed changes.
Firewood collection, charcoal production, population growth, and poverty were identified as the key drivers of observed LULC changes in the study area. Local communities perceived that LULC
changes led to a decline in agricultural land (57.3%, n = 586), crop production (82.8%, n = 586)
and forest cover (87.4%, n = 586) and an increase in the distance to forest resources (50.7%, n =
586). These changes exposed rural households to major shocks such as drought, floods, food
shortage, loss/damage of crops and death of household members. In order to address these shocks,
communities were engaged in short-term strategies such as piecework, receiving aid from
government and NGOs, receiving unconditional aid from relatives, relying on their own savings
and credits. The simulation results using the CA-Markov model showed that water bodies, barren
land and built-up areas will increase while agricultural land, wetlands and forest land will
substantially decrease by 2025 and 2035. The undesired LULC changes, patterns and impacts
observed in this study, however, pose a big threat and risk to the sustainable management of natural
resources and rural livelihoods survival. Hence, the need for urgent attention by the natural
resource managers, planners, researchers and decision-makers. The results found in this study are
deemed useful in guiding planners and decision-makers in the field of land management and policy
development towards a more sustainable natural resource management strategy in Dedza district.
Results found in this study could also inform decision-making in other districts of similar settings.
Thus, results of the study are expected to support decision-makers and planners in the design and
implementation of holistic, tenable and coherent and sustainable development policies/strategies/
guidelines for effective natural resource management.Thesis (PhD)--University of Pretoria, 2019.
Geography, Geoinformatics and Meteorology
PhD
Unrestricted
49
Mhangara, Paidamwoyo. "Land use/cover change modelling and land degradation assessment in the Keiskamma catchment using remote sensing and GIS". Thesis, Nelson Mandela Metropolitan University, 2011. http://hdl.handle.net/10948/1467.
Abstract (sommario):
Land degradation in most communal parts of the Keiskamma catchment has reached alarming proportions. The Keiskamma catchment is particularly predisposed to severe land degradation associated with soil erosion, thicket degradation and deteriorating riparian vegetation. There is a close coupling between land use/cover dynamics and degradation trends witnessed in the catchment. Soil erosion is prevalent in most of the communal areas in the catchment. The principal aim of this study was to investigate land use/cover trends, model the spatial patterns of soil loss and predict future land use/cover scenarios as a means of assessing land degradation in the Keiskamma catchment. Multi-temporal Landsat satellite imagery from 1972 to 2006 was used for land use/cover change analyses using object-oriented post-classification comparison. Fragmentation analysis was performed by computing and analyzing landscape metrics in the riparian and adjacent hillslope areas to determine the land cover structural changes that have occurred since 1972. The landscape function analysis was used to validate the current rangeland conditions in the communal areas and the former commercial farms. The current condition of the riparian zones and proximal hillslopes was assessed using the Rapid Appraisal of Riparian Condition and future land use/cover scenarios were simulated using the Markovcellular automata model. Spatial patterns of soil loss in the Keiskamma catchment were determined using the Sediment Assessment Tool for Effective Erosion Control (SATEEC), which is a GIS based RUSLE model that integrates sediment delivery ratios. Object oriented classification was used to map soil erosion surfaces and valley infill in ephemeral stream channels as a means of demonstrating the major sediment transfer processes operating in the Keiskamma catchment. The Mahalanobis distance method was used to compute the topographic thresholds for gully erosion. To understand the effect of soil characteristics in severe forms of erosion, laboratory analyses were undertaken to determine the physico-chemical soil properties. iv The temporal land use/cover analysis done using the post-classification change detection indicated that intact vegetation has undergone a significant decline from 1972 to 2006. The temporal changes within the intermediate years are characterized by cyclic transitions of decline and recovery of intact vegetation. An overall decline in intact vegetation cover, an increase in degraded vegetation and bare eroded soil was noted. Fragmentation analyses done in the communal villages of the central Keiskamma catchment indicated increasing vegetation fragmentation manifested by an increase in smaller and less connected vegetation patches, and a subsequent increase of bare and degraded soil patches which are much bigger and more connected. The Landscape Organisation Index revealed very low vegetation connectivity in the communal rangelands that have weak local traditional institutions. Fragmentation analyses in the riparian and proximal hillslopes revealed evidence of increasing vegetation fragmentation from 1972 to 2006. The Markov Cellular Automata simulation predicted a decline in intact vegetation and an increase in bare and degraded soil in 2019. The Keiskamma catchment was noted as experiencing high rates of soil loss that are above provincial and national averages. The classification of erosion features and valley infill showcased the vegetation enrichment in the ephemeral streams which is occurring at the expense of high soil losses from severe gully erosion on the hillslopes. This in turn has led to an inversion of grazing patterns within the catchment, such that grazing is now concentrated within the ephemeral stream channels. Soil chemical analyses revealed a high sodium content and low soluble salt concentration, which promote soil dispersion, piping and gully erosion. The presence of high amounts of illite-smectite in the catchment also accounts for the highly dispersive nature of the soil even at low SAR values. Significant amounts of swelling 2:1 silicate clays such as smectites cause cracking and contribute to the development of piping and gullying in the catchment. Given the worsening degradation trends in the communal areas, a systematic re-allocation of state land in sections of the catchment that belonged to the former commercial farms is recommended to alleviate anthropogenic pressure. Strengthening local institutions that effectively monitor and manage natural resources will be required in order to maintain v optimum flow regimes in rivers and curb thicket degradation. Measures to curb environmental degradation in the Keiskamma catchment should encompass suitable ecological interventions that are sensitive to the socio-economic challenges facing the people in communal areas.
50
Höjer, Mattias. "What is the Point of IT? : Backcasting urban transport and land-use futures". Doctoral thesis, KTH, Infrastruktur och samhällsplanering, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3016.
Abstract (sommario):
Sustainable development, future studies, informationtechnology, urban land-use and passenger transport. These arethe five concepts upon which this thesis and the eight papersit contains are based. The thesis includes both a developmentof future studies methodology, especially with regard tobackcasting, and analyses of the relationship betweensustainable development, information technology, transport andland-use in future cities Paper I (Gudmundsson&Höjer, 1996) suggests foursustainable development principles and discusses theimplications of these four principles for the transportsystem. Paper II (Höjer&Mattsson, 2000) is amethodological paper where backcasting is discussed in relationto some other future studies approaches. Moreover, the use of anumber of common empirical approaches in such studies iscriticised for being too deterministic. Paper III (Höjer, 1997) presents a study where fourtechnical scenarios of intelligent transport systems weregenerated and evaluated. The evaluation used a Delphi-inspiredbackcasting approach, where a total of some 100 internationalexperts contributed to a two-round survey. Paper IV (Höjer, 1998a) highlights three of thescenarios generated in Paper III and elaborates some resultsfrom the evaluation of them. Paper V (Steen et al., 1999) uses assumptions, based onother studies, regarding global future energy supply as well ason the development of vehicle technology and traffic volumes.Based on these, a scenario of a sustainable transport systemfor Sweden in 2040 is developed. Paper VI (Höjer, 2000b) looks at how the patterns ofcommuting and land-use can change with new organisationalforms. The change can either contribute to reduced trafficvolumes and a more sustainable transport system, or it can leadsociety even further into unsustainability. Paper VII (Höjer, 2000a) reports from a calculation ofpotential effects on commuting from a change towards anode-structured Stockholm region. The calculation is based onorigin-destination matrices generated from a traffic analysismodel. Paper VIII (Höjer, 1996) is a generalising analyticalpaper on the relationship between information technology,especially transport telematics, and sustainabledevelopment.QC 20100617