Dissertations / Theses on the topic 'Corridors'
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Ferentinos, Andrew (Andrew George Phillip). "Constellations and anti-corridors." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/72812.
Full textPage 77 blank. Cataloged from PDF version of thesis.
Includes bibliographical references (p. 67-69).
To perceive the many stars in the sky, corridic logic would force one to view one star at a time, one after the other in a linear order. An anti-corridic logic, on the other hand, is non-linear and permits constellations to emerge: many stars can be perceived at once and the imagination can link them into any desired figure. The space of corridors is linear: rooms are perceived and passed in a fixed sequence of one space following another. The space of anti-corridors is non-linear: rooms are dispersed into a field. Many spaces can be perceived at once and one can pass through them in any order. Desired constellations can emerge. Airports and intermodal hubs typically follow corridic logic. An airport/intermodal hub that is anti-corridic disperses all spaces into a field of options whereby individuals with different itineraries can perceive and move through a field of spatial choices resulting in ideally perceived and desired spatial constellations. This thesis proposes a prototype for an anti-corridic airport/ intermodal hub.
by Andrew Ferentinos.
S.M.
Malahleka, Mthuthukisi. "Adoption of resources development corridors in SADC : lessons learnt from the Maputo development corridor." Diss., University of Pretoria, 2017. http://hdl.handle.net/2263/65674.
Full textMini Dissertation (LLM)--University of Pretoria, 2017.
Public Law
LLM
Unrestricted
Öberg, Maria. "Governance structure for transport corridors." Licentiate thesis, Luleå tekniska universitet, Arkitektur och vatten, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18742.
Full textGodkänd; 2014; 20140516 (obemar); Nedanstående person kommer att hålla licentiatseminarium för avläggande av teknologie licentiatexamen. Namn: Maria Öberg Ämne: Arkitektur/Architecture Uppsats: Governance Structure for Transport Corridors Examinator: Professor Kristina L Nilsson, Institutionen för samhällsbyggnad och naturresurser, Luleå tekniska universitet Diskutant: PhD, Senior Advisor/Research Fellow Björn Hasselgren, Div. Samhällsplanering och miljö, KTH, Stockholm Tid: Fredag den 19 september 2014 kl 10.00 Plats: F1031, Luleå tekniska universitet
Benton, Christine S. "Corridors in Conservation and Philosophy." Thesis, University of North Texas, 2003. https://digital.library.unt.edu/ark:/67531/metadc4346/.
Full textBertuzzo, Enrico. "River Networks as Ecological Corridors." Doctoral thesis, Università degli studi di Padova, 2008. http://hdl.handle.net/11577/3425150.
Full textMaria, Öberg. "Governance for sustainable development of major European transport corridors : The Scandinavian-Mediterranean TEN-T core network corridor." Doctoral thesis, Luleå tekniska universitet, Arkitektur och vatten, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-65579.
Full textEddy, Heath. "A corridor study of McGalliard Road for the development of development guidelines for arterial corridors in Muncie." Virtual Press, 1995. http://liblink.bsu.edu/uhtbin/catkey/958618.
Full textDepartment of Urban Planning
Kamal, Aasim. "A Novel Approach to Air Corridor Estimation and Visualization for Autonomous Multi-UAV Flights." University of Toledo / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1556902471108278.
Full textViggiano, Cecilia A. (Cecilia Ann). "Bus use behavior in multi-route corridors." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/82858.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (pages 139-140).
Multi-route corridors are a common feature of bus networks. In these corridors, passengers select between a set of parallel routes. Understanding how passengers make these decisions can help better measure passenger experience and inform network and service planning. This thesis develops three methods for characterizing passenger behavior based on automatically collected data. The first is an empirical analysis relating bus arrivals to bus ridership on each route. The second is a probabilistic model that infers passengers' route choice strategies based on the headways that preceded their bus boarding. The third method is a panel analysis of individuals' stop and route choices over time. These methods are applied to two corridors in London, one that has only local service and another that has both local and limited stop service. On the local-only corridor, the analysis infers that the majority of passengers board the first bus that serves their destination. On the corridor with limited stop service, many passengers opt to wait specifically for the limited stop service route. This boarding strategy is increasingly prevalent as the length of the bus trip increases. Passenger behavior was also found to be affected by crowding, passenger experience on the corridor, and access to real-time information. In addition to the analysis of automated data, this research includes a web-based surveys of users of the limited stop corridor. This survey demonstrates the viability of web-based surveys for collecting detailed information about passenger behavior on a large scale. The survey data shows that passengers' route choice strategies are influenced by factors including trip length, trip purpose, respondent income, use of countdown information, attitudes towards crowding, waiting, and walking, and levels of risk aversion. The thesis relates the analysis of passenger behavior to a set of recommendations for multi-route corridor planning. The advantages and disadvantages of corridor-level scheduling and operation are discussed, and service configuration changes for the limited stop corridor are proposed. Given the prevalence of multi-route corridors and the variety of passengers' route choice behavior within them, the incorporation of an understanding of passenger behavior into network and service planning has the potential to improve passenger experiences on bus networks.
by Cecilia A. Viggiano.
S.M.in Transportation
Seegmiller, Lindsi. "Modeling and optimization of least-cost corridors." Licentiate thesis, KTH, Geoinformatik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-291279.
Full textMed tanke på ett rutnät av celler, som vart och ett har ett värde som indikerar dess kostnad per areaenhet, är en variant av det billigaste banproblemet att hitta en korridor med en specificerad bredd som förbinder två terminaler så att dess kostnadsviktade område minimeras. Det finns en beräkningseffektiv metod för att hitta sådana korridorer, men som är fallet med konventionella rasterbaserade lägsta kostnadsspår är deras inkrementella orienteringar begränsade till ett fast antal (vanligtvis åtta ortogonala och diagonala) riktningar, och därför, oavsett nätupplösning tenderar de att avvika från de tänkbara på det euklidiska planet. Dessutom är dessa metoder begränsade till problem som finns i tvådimensionella nät och ignorerar den ständigt ökande tillgängligheten och nödvändigheten av tredimensionell rasterbaserad geografisk data. Denna avhandling försöker ta itu med problemen som belyses ovan genom att utforma och testa korridoralgoritmer till lägsta kostnad. Först föreslås en metod för att lösa det tvådimensionella rasterbaserade problemet med billigaste korridorer med minskad förvrängning genom att anpassa en distorsionsminskningsteknik som ursprungligen utformades för billigaste vägar och tillämpa den på en effektiv men distorsionsbenägen billigaste korridoralgoritm. Den föreslagna metoden för distorsionsminskning är i teorin garanterad att generera inte mindre exakta lösningar än den befintliga i polynomtid och i praktiken förväntas generera mer exakta lösningar, vilket demonstreras experimentellt med syntetiska och verkliga data. En korridor modelleras sedan på ett tredimensionellt rutnät av kostnadsvägda kubikceller eller voxels som en sekvens av uppsättningar av voxels, kallade "stadsdelar", som är ordnade i en 26-hedoral form, designar en heuristisk metod för att hitta en sekvens av sådana stadsdelar som sveper den lägsta kostnadsviktade volymen och testar dess prestanda med datorgenererade slumpmässiga data. Resultaten visar att metoden hittar en låg kostnad, om inte minst kostnad, korridor med en specificerad bredd i ett tredimensionellt kostnadsnät och har en rimlig effektivitet eftersom dess komplexitet är O (n2) där n är antalet voxlar i ingångskostnadsnätet och är oberoende av korridorbredd En stor nackdel är att korridoren som hittas kan korsa sig själv, vilket ofta inte bara är en oönskad kvalitet utan gör uppskattningen av dess kostnadsviktade volym felaktig.
QC 20210309
Afandizadeh, Zargari Shahriar Carleton University Dissertation Engineering Civil and Environmental. "Optimization of integrated multimodal urban transportation corridors." Ottawa, 1996.
Find full textFroggatt, Thomas. "Recycled railway corridors : an urban design perspective." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/40145/.
Full textSonnenberg, Anthony H. "Transportation energy and carbon footprints for U.S. corridors." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37316.
Full textMorin, David M. "The location of transportation corridors regulations and techniques /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0033/MQ27366.pdf.
Full textOrndorff, Zenah Wilson. "Evaluation of Sulfidic Materials in Virginia Highway Corridors." Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/29183.
Full textPh. D.
GUIDA, IRENE. "Corridors : Dissolution and Genealogy of a Modernity's SpatialseparatorDevice." Doctoral thesis, Università IUAV di Venezia, 2012. http://hdl.handle.net/11578/278534.
Full textHorskins, Kerrilee. "The Effectiveness of Wildlife Corridors in Facilitating Connectivity: Assessment of a Model System from the Australian Wet Tropics." Thesis, Queensland University of Technology, 2005. https://eprints.qut.edu.au/16039/1/Kerrilee_Horskins_Thesis.pdf.
Full textHorskins, Kerrilee. "The Effectiveness of Wildlife Corridors in Facilitating Connectivity: Assessment of a Model System from the Australian Wet Tropics." Queensland University of Technology, 2005. http://eprints.qut.edu.au/16039/.
Full textMcHugh, Laura Jo, and Laura Jo McHugh. "Assessment of Raptor Migration Corridors in the United States." Thesis, The University of Arizona, 2017. http://hdl.handle.net/10150/625888.
Full textHeadey, Jonathan Mark. "Modelling of river corridors : modelling urban particulate transport processes." Thesis, University of Birmingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289714.
Full textHardy, Andrew James. "Characterising soil moisture in transport corridors using remote sensing." Thesis, University of Newcastle Upon Tyne, 2011. http://hdl.handle.net/10443/1123.
Full textSpicer, Sarah J. "From marginalized to optimized : re-envisioning urban highway corridors." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/67239.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 127-134).
The past century of highway construction has assumed relentless growth of vehicular traffic capacity. Yet today is an era of highway rationalization, aging facilities, strained finances, peak oil concerns, climate change, and urban regeneration. It is a prudent time to re-examine the place of highways within the urban fabric. The elevated structures associated with the urban highway model were for the most part constructed over 40 years ago and are nearing the end of their functional lives. This fact means that cities must decide whether to rebuild or redesign, and how. The increasing numbers of projects and multiple proposals for highway removal or shrinkage speak to a larger trend of right-sizing and quality of road design rather than a sole focus on throughput. This trajectory has been complimented by new and more context-appropriate guidelines for transportation planning and increased cross-pollination between urban planning and traffic engineering disciplines. This thesis finds that roadway capacity reduction is a successful traffic management strategy, with numbers from case studies in worldwide supporting the concept of traffic network flexibility and demand elasticity. This, in turn, may be able to better define how best to encourage mode shift from single occupancy vehicles to other modes. This thesis is an exploration of highway removal and redesign, and a proposal for context-sensitive transformation of the urban environment's lost spaces. It explores the underlying trends and methodologies of highway removal, examines several case studies, and then applies these findings to the case of McGrath/O'Brien highway in Massachusetts. This may serve as a precedent for future reexaminations of similarly degraded roadways and reveal implications for the future form of infrastrucure-burdened urban areas.
by Sarah J. Spicer.
M.C.P.
Wheeler, Nicole Marie. "Multi-Criteria Trucking Freeway Performance Measures for Congested Corridors." PDXScholar, 2010. https://pdxscholar.library.pdx.edu/open_access_etds/177.
Full textAlonso, Andre Chein. "Delineamento e avaliação de corredores lineares multi-hábitat : estudo de caso com bugio-ruivo (Alouatta clamitans) em mosaico urbano-rural." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/30203.
Full textHabitat fragmentation limits possibility of species dispersai. Many initiatives aim at species conservation in fragmented landscapes involve the delineation of ecological corridors among habitat patches. Here, we modeled a corridor system among remnant forest fragments in the urban-rural mosaic of a large city in southern Brazil (Porto Alegre, RS), using the endangered primate Alouatta clamitans (brown-howler-monkey) as a focal species. Our specific aims were (a) to demonstrate the importance of connectivity for the presence of the brown-howler monkey in forest fragments; (b) to identify the most important fragments for maintenance of potential functional connectivity for the species; (c) to draw a potential corridor system, considering the species dispersai capacity in different habitat patches; and (d) to propose a new method of corridor quality evaluation, considering friction variation to disperse along corridors and the existence of vulnerable criticai points for the persistence of corridors. Vulnerability was evaluated in terms of neighboring landscape of each corridor (context), being defined as the probability of future corridor modification or interruption due to changes in the neighboring landscape. We examined the existence of a positive relation between functional connectivity and the species presence in forest fragments using the Probability of Connectivity index (dIPC). We identified the São Pedro hill as the most important area for the maintenance of landscape connectivity based on the dIPC. In addition to São Pedro hill, we selected the forest fragmentes larger than 10 hectares to model corridors using the least-cost distance algorithm. To assess vulnerability, we used two parameters: the antropization degree, which is a proxy for potential of corridor persistence, and the friction degree, which is a proxy for habitat resistance to the species dispersal. These parameters were used to examine the fractioning of corridors, that is, to quantify the number of actual or potential interruptions in corridor trajectory and its inner habitat quality. The results of the fractioning analyses and the corridor extension were used as attributes for ranking ali corridors in terms of quality. We generated 136 corridors with an extension between 4 m and 4128 m. Corridors with more than 1000 m tended to be potentially more fractioned, while seventy three corridors were kept uninterrupted according to persistence potential. Habitat quality analysis revealed that 120 corridors were fractioned. Total area of effective habitat (arboreal/shrubby class) to movements was reduced in 41%. The global quality analysis revealed that 32% of corridors are good, 51% are median and 16.2% are bad. Persistence potential appears to be a promising method to evaluate the potential for antropogenic modification imposed on corridors by their surrounding landscape. This method cari help in cost-benefit decision making for management of multi-habitat linear corridors.
Haq, Anwar Gary Anthony. "Implementation of sustainability in transport corridors : an Anglo-Dutch comparison." Thesis, Lancaster University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337365.
Full textRolley, Stephanie. "Suburban urban patterns : the future form of suburban growth corridors." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/77324.
Full textSchwarcz, Stacey. "Service design for heavy demand corridors : limited-stop bus service." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/32415.
Full textIncludes bibliographical references (leaves 109-110).
Many transit agencies run both limited-stop and local service along some of their heavy ridership corridors. The primary benefit of limited-stop bus service is higher speed which results in reduced running time and thus reduced travel time for passengers. This reduced travel time can improve the service quality for existing passengers and can increase ridership on the route and thus both passengers and the agency can benefit from limited- stop service. However, this strategy also results in increased access time, and in increased wait time for some passengers. This thesis develops a model to evaluate limited stop bus service and then applies the model to develop general design guidelines for limited-stop service. The model created evaluates a specific service configuration including both the local and limited-stop headways and stops. The model calculates travel times, and assigns existing demand to limited and local stops and to limited and local routes, based on minimum passenger (weighted) travel time. This assignment is applied at the origin-destination pair level. The model then calculates several measures of effectiveness, which are used to compare different configurations, including market share (local preferred, limited preferred, and choice passengers), stop and route assignment (number of passengers selecting the limited service stops and limited-stop service), net change in passenger travel time (weighted and un-weighted), and finally productivity (passengers per trip and per vehicle hour for the local and limited-stop service). The model was used to analyze two CTA cases: Western Avenue local Route 49 and limited-stop Route X49, and the Madison Avenue Route 20.
(cont.) The analysis of Western Avenue and Madison Avenue involved testing alternative frequency configurations; alternate stop spacing configurations were analyzed only for Madison Avenue. The specific findings on these routes show that the existing stop spacing on Route X49 is effective, but to improve the overall effectiveness of the route the limited-stop frequency share should be increased to at least 60% of all service on the corridor. Limited-stop service on Madison Avenue was found not to be effective under any configuration due to short trip lengths and evenly distributed demand along the route. The results of the analysis were used to develop two sets of guidelines: corridor (or route) potential for limited stop service and limited-stop service design. The corridor potential guidelines suggest that high concentrations of origins and destinations and long passenger trips are both critical to the effectiveness of limited-stop service. Additional factors that affect the corridor potential for limited-stop service are the existing headway and ridership and the potential for route level running time savings. Limited-stop service design guidelines were developed for setting stop spacing and frequency share. The stop spacing on the limited-stop service should be decided by placing stops at the highest demand points and at all transfer points, and is guided by the distribution of origins and destinations, with the goal of attaining a wide enough stop spacing to achieve significant route level travel time savings. One of the major findings of this thesis is that limited-stop service is generally most effective at greater than 50% frequency share.
by Stacey Schwarcz.
S.M.
O'Regan, S. J. "Serial founder entrepreneurs : careers and corridors, venture choices and outcomes." Thesis, University of Reading, 2016. http://centaur.reading.ac.uk/68998/.
Full textLanehart, Eric. "Backcountry Trails Near Stream Corridors: An Ecological Approach To Design." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/36918.
Full textMaster of Landscape Architecture
Eyitayo, Damilola L. "Ecological Consequences of Human-modified Landscapes: Features of Powerline Corridors." Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1594386597178801.
Full textHaskell, Christopher Kent. "The Impact of Bicycle Corridors on Travel Demand in Utah." BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/5702.
Full textZainal, Abidin Nor Arbina. "Assessing the landscape character of Malaysia's heritage urban river corridors." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/110347/4/Nor_Arbina_Zainal_Abidin_Thesis.pdf.
Full textDi, Marino Davide <1995>. "EU-China Connectivity: Eurasian Rail Corridors Within the BRI framework." Master's Degree Thesis, Università Ca' Foscari Venezia, 2019. http://hdl.handle.net/10579/16027.
Full textBahbouh, Kinan. "Corridors de demande : Modélisation et contributions à l’évaluation du niveau de durabilité." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEI128.
Full textMany researchers have benefited from the concept of the transport corridor to cover mobility issues. However, the use of the concept of the transport corridor in the urban transportation assessment and planning process remains limited due to the lack of a clear definition and modeling approach adapted to the very scattered nature of travel in urban areas. This thesis provides a deep reflection on the transport corridor’s definition and characteristics and offers a modeling framework to identify urban transportation corridors using the transport demand, represented by the Origin and Destination (OD), in the absence of supply elements. In addition, the thesis provides new insights into the possible ways that demand corridors can be seen and used to understand mobility patterns so to assess, plan, and improve the transportation supply. Furthermore, it proposes a global framework and constructs some indicators that incorporate demand corridor as a “fair” comparison unit, to assess the adequacy of transportation supply with respect to the demand. The first main chapter proposes define corridor as the envelope that encapsulate a high concentration of similar trajectories. Then, it defines demand corridors using demand elements such as origin destination data. The second chapter proposes an algorithm called Trajectory Clustering for Desire Line (TraClus-DL) to identify demand corridors. The followed chapter defines three types of demand corridors and highlights their potential use in transportation planning. The next chapter proposes a framework to assess the supply sustainability level by benefiting from the demand corridor as a reference unit. Work in the following chapter benefits from the framework and provides new insights into the possible ways of assessing the spatial characteristics of the supply structure. The results obtained by studying the demand corridors allow a deep reflection on the concept of corridors and their role in transportation assessment and planning. In addition, to synthesizing and visualizing OD matrixes, demand corridors trace the shape of dense mobility axes and appear as relevant tools for transportation planning, and in the decision-making processes in which an indicator is needed to evaluate the current or planned supply. The use of the demand corridor as a reference unit reflects the collective demand standpoint and offers the possibility to rank supplies based on each supply's level of compliance to the demand flow. Finally, the demand and the supply are inseparable. The combination of the demand corridor studies and the supply corridor studies covers a wider angle than studying the demand or the supply. The ultimate goal of this thesis is to explore the concept and limits of an approach based on the unprocessed demand to better understand the mobility. This understanding leads to identify the needs of potential improvements in the absence of preconceived operational, technical, or political limitations
Wyma, Rindert. "Birds of the riparian corridors of Potchefstroom, South Africa / Rindert Wyma." Thesis, North-West University, 2012. http://hdl.handle.net/10394/9545.
Full textThesis (Master of Environmental Sciences)--North-West University, Potchefstroom Campus, 2013
Chatti, Walid. "Corridors de transport de fret et développement polycentrique de l’espace européen." Thesis, Lille 1, 2010. http://www.theses.fr/2010LIL12006/document.
Full textBased on the freight corridors approach, in this thesis we explore differentiated impacts of transport and telecommunication infrastructure policy on regional specialization and consequently on polycentric and sustainable development of the European area. Within this framework the first mixed theoretical model of New Economic Geography and urban economics was developed. On the one hand it shows that interregional trade depends on the size and internal structure of urban zones; on the other hand it emphasizes that regional integration influences the size and structure of these zones and, as a result, their regionalspecialization. Then the second theoretical model of the New Economic Geography is developed to study the impact of transport and telecommunication infrastructure policy on regional specialization. We demonstrate, however, that technological sector plays an essential role in the spatial distribution of industrial activities, and consequently in the polycentric development of the European space. Finally, an econometric model based on the problem of coupling is applied to test the relation between the demand for international maritime transport and economic growth. Thus it is emphasized that the approach of corridors may beused as an instrument of decoupling, allowing to develop an efficient and sustainable transport system in the Euro-Mediterranean region
Sass, Christopher Kevin. "Inventory and analysis of the Black Vermillion river system riparian corridors." Thesis, Manhattan, Kan. : Kansas State University, 2008. http://hdl.handle.net/2097/1006.
Full textOswald, Michelle Renee. "Rating the sustainability of transportation investments corridors as a case study /." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 232 p, 2009. http://proquest.umi.com/pqdweb?did=1654493671&sid=5&Fmt=2&clientId=8331&RQT=309&VName=PQD.
Full textValdes, Diaz Didier M. "Integrated information and traffic control strategies for congested urban freeway corridors /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.
Full textGote, Nakul Nitin [Verfasser], Wolfgang [Gutachter] Wende, and Sameer [Gutachter] Deshkar. "Governing for Flood Resilience in Urban Stream Corridors : Lessons from public participation in the Ramnadi corridor / Nakul Nitin Gote ; Gutachter: Wolfgang Wende, Sameer Deshkar." Dresden : Technische Universität Dresden, 2019. http://d-nb.info/122694244X/34.
Full textChristen, Douglas C. "Distinguishing the habitat, corridor and conduit functions of roads in the spread of invasive plants." Ohio : Ohio University, 2005. http://www.ohiolink.edu/etd/view.cgi?ohiou1125611713.
Full textNarukage, Miki. "The scenic beauty of streetscapes : an assessment of commuting corridors in Vancouver." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/58708.
Full textForestry, Faculty of
Graduate
Schwoertzig, Eugénie. "Contribution des corridors fluviaux à la dynamique de la biodiversité végétale urbaine." Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAH005/document.
Full textUrban ecology, which has emerged over the last thirty years, focused in particular on studying thebiodiversity and on functioning of ecosystems in cities. This work explores urban riparian corridors and their rolein the dynamic of plant communities based on a gradient of urbanization. Indeed, riparian corridors provide astructural connection between the city and the countryside, and their conservation involves preciselyunderstanding their ecological functionality. The objectives of this work are to highlight the effect of the urbanization gradient on the composition and structure of plant communities along a river to determine whether the existence of urban riparian corridors effectivelycontributes to the colonization of adjacent areas. Two rivers, the Bruche and the Rhin Tortu - Ziegelwasser, arestudied in their most urban downstream part in the metropolitan area of Strasbourg, eastern France. [...]
Amacher, Andrew James. "Assessing 100-meter-wide loblolly pine corridors as breeding habitat for landbirds." NCSU, 2002. http://www.lib.ncsu.edu/theses/available/etd-20020104-125043.
Full textI evaluated the suitability of 100-meter-wide loblolly pine (Pinus taeda) plantation corridors as breeding habitat for landbirds. The study was located within the Lower Coastal Plain of South Carolina on land owned by Westvaco Timber Corporation. The typical rotation-age within the landscape was 20 years. Work was conducted within post-rotation-age (24-31 years) corridors (100-meter-wide linear loblolly pine plantation stands) and patches (typical Westvaco stands). Work was also conducted in rotation-age patches (18-22 years). Vegetation, point count and nest monitoring data were used to compare corridors against patches. Point count surveys were conducted from 1995-1999, and vegetation and nest surveys from 1997-2000. Vegetation data was collected between 1997-2000 within post-rotation-age corridors and patches (24-31 years) and rotation-age patches (18-22 years). I used 10th acre plots to quantify the following variables: pine, hardwood, and snag basal area; pine, hardwood, and snag dbh; canopy cover (%) and shrub cover; overstory and midstory height; and cane and vine cover. Cluster analysis of individual plots found that post-rotation-age corridors and patches were not significantly different (p = 0.1178) from each other, but were significantly different from rotation-age stands (p < 0.0001). Individual comparisons between classifications (post-rotation corridors and patches, rotation-age patches) found most significant differences between post-rotation-age and rotation-age stands. However, post-rotation-age corridors and patches differed significantly in pine basal area (p < 0.0001), pine DBH (p < 0.0001), hardwood basal area (p = 0.0153) and shrub percent cover (p = 0.0358). Point count data was collected from 1996-1999 within post-rotation-age corridors and patches. A total of 94 corridor points and 116 patch points were surveyed from 1996-1999. Corridors had greater species richness (N=44) than patches (N =38). However, species composition was similar between corridors and patches. For all species, the Spearmans rho correlation coefficient on species ranked abundance was highly correlated (r = 0.7877, p <0.0001). In individual species comparisons, only the Red-eyed Vireo was found in lower abundance within corridors (0.213 birds/plot) compared to patches (0.440 birds/plot, p =0.0011). The Brown-headed Cowbird and Blue-gray Gnatcatcher were significantly more abundant within corridors relative to patches. Nest searching was conducted within post-rotation-age corridors and patches, and rotation-age patches from 1997-2000. Three species were compared: the Acadian Flycatcher (n = 132), Hooded Warbler (n = 37), and Northern Cardinal (n = 52). Across all years, no significant difference in nest survival was found between nests within post-rotation-age corridors and nests within post-rotation-age patches for all 3 species. However, when compared to rotation-age patches, Acadian Flycatchers had significantly higher nest survival in both post-rotation-age corridors and patches (p < 0.05). Hooded Warblers had marginally higher nest success in both post-rotation-age corridors and patches relative to rotation-age patches (p = 0.05-0.10). Nest survival was also compared by distance to edge (with loblolly stands aged 0-5 years), distance to road, and distance to edge+road. No significant differences were found in nest survival for the Acadian Flycatcher, Hooded Warbler, and Northern Cardinal based on a nest's distance to edge, road, or road+edge. The Hooded Warbler had 10 out of 37 nests (27%) parasitized by the Brown-headed Cowbird. Nine were within patches and 1 within a corridor. Parasitzed nests were not significantly different from non-parasitized nests based on distance to edge (p = 0.7100), distance to road (p = 0.2111), or distance to edge+road (p= 0.2492).
LaRue, Michelle A. "Predicting potential habitat and dispersal corridors for cougars in midwestern North America /." Available to subscribers only, 2007. http://proquest.umi.com/pqdweb?did=1331400631&sid=18&Fmt=2&clientId=1509&RQT=309&VName=PQD.
Full textWong, Ka-yan Katherine, and 王家茵. "Grounds for change : riparian corridors as catalyst for a resilient coffee landscape." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/207158.
Full textNevarez-Pagan, Alexis. "SEVERITY ANALYSIS OF DRIVER CRASH INVOLVEMENTS ON MULTILANE HIGH SPEED ARTERIAL CORRIDORS." Master's thesis, University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3478.
Full textM.S.
Department of Civil and Environmental Engineering
Engineering and Computer Science
Civil Engineering MS
Klein, L. "Inside the corridors of power : Industrial policy implementation in Brazil, 1974-1979." Thesis, University of Essex, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378345.
Full textWoodburn, Peter. "Computational fluid dynamics simulation of fire-generated flows in tunnels and corridors." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282879.
Full textFeldman, Eric E. (Eric Evans) 1973. "From linear spaces to linear places : recycling rail corridors in urban areas." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/65992.
Full textIncludes bibliographical references (leaves 95-102).
To date, the reuse of abandoned railroad rights-of-way has occurred primarily in suburban and rural areas. However, a new generation of urban rail corridor conversions appears to be underway. More urban in more places than prior rail-to-trail projects, the next generation of rail corridor conversions reflects a broader and more complex notion of rail-to-trail projects. These urban projects are more likely to begin with goals and assumptions that look beyond the traditional emphasis on recreation and commuting. They also tend to be more sensitive to changing contexts along a single right-of-way, can serve as focal points or catalysts for other development efforts and involve a wide range of actors and funding sources. The unique opportunities and challenges of disused urban rail corridors suggest the need for new ways of designing and interpreting urban linear space, as well as the need for an expanded technical and financial resource base to support these efforts. This thesis pursues multiple objectives. Chapter 2 reflects on the basic characteristics of urban rail corridors, the linear attributes that make them desirable for reuse and the potential challenges of working in a linear landscape. The second part of this chapter describes the history and evolution of rail corridor conversions as a planning and urban design concept and surveys relevant literature on the subject. Chapter 3 considers existing urban rail-to-trail precedents and describes the most recent generation of urban rail-to-trail projects, drawing on the experience of five ongoing rail-to-trail conversion projects in Boston, Gainesville, Minneapolis, New York City and the District of Columbia. It identifies six typologies for thinking about urban rail-to-trail projects and highlights specific issues encountered in the planning and design of such projects. Chapter 4 contains a more detailed case study of efforts to convert the New Haven, Connecticut segment of the Farmington Canal rail corridor into a greenway. Chapter 5 concludes with a set of guiding principles and action items for future work in this area, as well as proposed directions for further research.
by Eric E. Feldman.
M.C.P.