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Dissertations / Theses on the topic 'Landuse'
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1
Petersen, Ashia. "The vegetation of Paulshoek, Namaqualand : phytosociology and landuse impacts." Master's thesis, University of Cape Town, 2004. http://hdl.handle.net/11427/8634.
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Bibliography: leaves 110-130.The succulent karoo biome is acclaimed internationally for its high biodiversity and endemism. At the same time the area is perceived to be under threat from extensive livestock production. Extensive research has been under taken in the last twenty years to describe and understand the underlying mechanisms that influence vegetation composition and distribution in this biome. A detailed summary of the main phytosociological studies completed in the succulent karoo biome is included. This includes Adamson's classic 1938 description of the vegetation of the Kamiesberg. A further six studies are described which provide a platform for the phytosociological analysis carried out in this thesis. A context for this thesis is provided by a brief synthesis of the vegetation of the succulent karoo biome including aspects concerned with the climate, plant diversity and history of land use practices in the region. This study was undertaken primarily, however, to classify and describe the vegetation of Paulshoek, a small village comprising 20 000 ha in the communal area of Leliefontein, Central Namaqualand. The Braun-Blanquet vegetation classification approach was used and modelled satellite imagery was applied to classify the perennial vegetation of Paulshoek. The vegetation data was also subjected to canonical correspondence analysis (CCA) to determine the associated environment variables. Furthermore, this study also aimed to determine the impact of different management strategies on the diversity (species richness, similarity, evenness and dominance/diversity), composition and structure of uplands and lowlands vegetation. Data was subjected to TWINSPAN analysis, CCA, diversity, similarity and evenness investigations. Furthermore, the data set was subjected to Kruskal Wallis one way ANOVA, multiple comparisons with t distribution test and Mann-Whitney statistical tests to determine significant differences between vegetation types and landuse treatments.
2
Kar, Shuvankar. "Development of alluvial fans and their pedogeomorphic significance on the landuse in terai region, West Bengal, India." Thesis, University of North Bengal, 2018. http://ir.nbu.ac.in/handle/123456789/3655.
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Kar, Shuvankar. "Development of alluvial fans and their pedogeomorphic significance on the landuse in terai region, West Bengal, India." Thesis, University of North Bengal, 2018. http://ir.nbu.ac.in/handle/123456789/3643.
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Nyirongo, Victor Wilford Kayiwaze. "Changes in landuse patterns in upland watersheds of Eastern Luangwa Valley, Zambia, and the potential impact on runoff and erosion." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/34808.
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Four small watersheds, Kamwamphula, Luelo, Kanyanga and Mphiri, near Emusa (Lundazi District) in Eastern Province, Zambia, were studied to document transitions in land use over time and to project the impacts of land use and topography on runoff, erosion and sediment delivery. Landuse was delineated from 2007 IKONOS image (one meter pixel), and Landsat imagery was used to depict the historic changes in landuse between the period of 1989 and 2007. The GWLF model was used to predict the impact of the landuses on the hydrology of the area. There had been an increase in clearing of forest area mainly due to the expansion of cropland area. The highest rate of clearing was predicted for the Kamwamphula watershed where the forest cover decreased from 95% to 71% over the 18 year period. The GWLF model was used to predict the impact of the landuse on the hydrology and sediment delivery. In comparison with the limited field data available from the four watersheds, the GWLF model gave poor prediction of streamflow, probably because the hydrology of the area is poorly understood and dambo function in the landscape is not well represented in the model. Highest runoff, erosion and sediment yields came from Luelo watershed which has steeper slopes and, less vegetative cover and poor permeability of soils. The GWLF gave poor prediction of streamflow, probably, because the hydrology of the area is poorly understood.Master of Science
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Briel, Annemarie. "Hydrological Modelling at Road Structures in a Changing Climate and Landuse." Thesis, KTH, Mark- och vattenteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-171827.
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An increase in the frequency and intensity of storm events is predicted by numerous climate researchers for the north of Europe. Not only this but also landuse change in form of clear-cutting can have an impact on the discharge of rivers and with that on road drainage structures. Extensive societal costs can be the consequences of blockage and underdimensioned structures. Hydrological models are powerful instruments that can be used to assess the future dimension requirements for road drainage structures especially in specifically vulnerable areas. In this thesis the hydrological model MIKE SHE was set up to study the discharge and water level at two pipe bridges and one culvert within the catchment of the river Hakerud in Västra Götaland, Sweden. Three scenarios were considered including a changing climate until 2050 and 2100 and a clear-cut scenario aiming to find out if the current design is sufficient for the future. This model can be used as an example model set-up for similar studies taking the recommendations of the experience gained in this thesis into consideration. For the Swedish Transport Administration further studies on this basis can contribute to decision making on the dimensioning of road drainage structures in the future to ensure a safe and robust infrastructural system.
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Merkle, Andrea Hildegard. "Ecosystemic effect indicators to assess effects of agricultural landuse on ecosystems." [S.l. : s.n.], 2000. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB9068825.
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Barik, Muhammad G. "Landslide susceptibility mapping to inform landuse management decisions in an altered climate." Pullman, Wash. : Washington State University, 2010. http://www.dissertations.wsu.edu/Thesis/Spring2010/m_barik_042310.pdf.
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Thesis (M.S. in civil engineering)--Washington State University, May 2010.Title from PDF title page (viewed on June 23, 2010). "Department of Civil and Environmental Engineering." Includes bibliographical references (p. 51-56).
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Gerhart, Vanda Jane. "Optimizing Native and Landscape Plant Establishment Under Marginal Soil and Water conditions in Southwestern Deserts." Diss., Tucson, Arizona : University of Arizona, 2005. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu%5Fetd%5F1026%5F1%5Fm.pdf&type=application/pdf.
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Tosic, Marko. "Impacts of landuse and runoff water quality on coral reef environments in Barbados." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=18673.
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The effects of terrestrial runoff on the Bellairs fringing reef environment were assessed by a study of water quality. This study is partitioned into two components. The first documents terrestrial discharge of sediments and nutrients into coastal waters and maps the resulting seawater quality by analyzing samples taken from a grid of stations. Terrestrial water samples were analyzed for turbidity, total suspended solids (TSS), nitrate-nitrite-nitrogen (NOx-N), and soluble reactive phosphorus (SRP). Seawater was analyzed for turbidity, TSS, and salinity while sedimentation rates were measured upon the seafloor. Results indicated that on all four events, water above the reef exceeded the guidelines for turbidity, TSS, or both. Post-discharge changes in seawater quality around the outlet depend on a runoff event's TSS load and total discharge, though above the reef which lies 600m from the outlet, there is the added dependence of the prevailing winds. Spatial trends were not observed across the reef, though directly in front of the outlet there was an apparent northward trend for plumes. Sedimentation rates on the reef were much higher than guidelines for 35 of the 118 days monitored. The second component of this study characterizes the watershed draining to the aforementioned coastal outlet in terms of hydrology and water quality, and the latter's relation to landuse. Water samples were taken at the outlet over time as well as at four upstream locations on two events, and were analyzed for turbidity, TSS, NOx-N, and SRP. Observed hydrological characteristics included spatially heterogeneous rainfall, flash floods, internal drainage of runoff into the karstic aquifer, and a correlation between event total runoff volumes and event runoff coefficients (r = 0.89). Water quality results identified a first flush phenomenon for TSS, and sources of high TSS, turbidity, and SRP to be industry, urban areas, and agriculture. Considering the low proportion of agrLes effets de ruissellement de surface sur l'environnement des récifs de Bellairs ont été évaluer par une étude de la qualité de l'eau. Cette étude est divisée en deux composantes. La premiere documente les déversements terrestres des éléments nutritifs et des sédiments dans les eaux côtières. De plus, la mer est divisée en grille, permettant l'analyse d'échantillons survenant de chaque région et des tendances de ces résultats. Des prélèvements de ruisellement de surface ont également été analysées pour leur turbidité, le totale des matieres solides en suspension (TSS), les nitrates-nitrites-nitrogen (NOX - N), et de phosphore soluble réactif (PSR). La turbidité, TSS, salinité, et le taux de sédimentation sur le fond marin ont toutes été obtenus des échantillons maritimes. Les résultats ont démontré que pour les quatre occasions de déchargements terrestres, l'eau au dessus des récifs excédés les limites de conseil de TSS, turbidité ou les deux. Après un événement de déchargement, les changements de qualité d'eau maritime autour d'une sortie dépendent sur le TSS. Par contre, au dessus des récifs, à 600m de la sortie, il y a le facteur supplementaire de vent. Des tendances spatiales n'ont pas été observés a travers le récif, mais une apparente direction des décharges envers le nord a été remarqué en avant des sorties. Le taux de sédimentation excédé les limites de conseil pendant 35 jours des 118 jours d'observations totales. La deuxième composante de cette étude caractérise le bassin d'évacuation lié à la sortie maritime mentionné en terme d'hygrologie, qualités des eaux, et de la relation entre ce dernier et l'utilisation des terres. Des échantillons d'eaux ont été pris à travers le temps à la sortie, ainsi qu'à quatre endroits d'amont à deux reprise chacune. Les analyses incluent la turbidité, TSS, PSR et NOX-N. Les caractéristiques hydrologiques observées sont une distribution sp
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Cheung, Wai-hung Tony, and 張偉雄. "Harbour reclamation in Hong Kong: land production and landuse planning : the environmental perspective." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B31980156.
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Nchai, Makebitsamang Constance. "The impact of landuse on invertebrate assemblages in the Succulent Karoo, South Africa." Thesis, Imported from http://etd.sun.ac.za April 2010, 2008. http://hdl.handle.net/10019.1/2228.
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Thesis (MScConsEcol(Conservation Ecology and Entomology)--Stellenbosch University, 2008.The Succulent Karoo biodiversity hotspot is threatened by pressure caused by increasing human populations and its associated land use types. Land use is primarily focussed on agriculture, with livestock grazing as a dominant land use in the region. Cultivation is also practiced along the major perennial rivers, and in drier areas, where this largely depends on rainfall. Only about seven percent of the biome is formally protected, and this area substantially under-represents the biodiversity of the Succulent Karoo and does not incorporate key ecological processes and biodiversity drivers. Therefore, there is urgent need for outside reserve conservation initiatives, whose success depend on understanding the ecosystem function of the Succulent Karoo. This study aimed to determine the impacts of heavy grazing, light grazing and cultivation (in a 30-year old fallow field) on assemblages of ground-dwelling and flying invertebrates. Seasonal assemblage changes were also determined. Vegetation structure and composition were determined using the line-intercept method to determine if vegetation patterns explain patterns in invertebrate assemblages. Abandoned fields harbour the lowest number of plant species, and these together with the heavily grazed sizes are dominated by a high cover of Galenia africana (Aizoaceae). Lightly grazed sites have the highest structural complexity, with a high cover of succulents and non-succulent perennials. After the winter rains, annual plants occupy most of the bare ground in heavily grazed and previously cultivated sites. Seasonal changes in assemblages of ground-dwelling and flying invertebrates were determined by sampling during the four seasons at the same localities. Results of pitfall traps sampling for ground-dwelling invertebrates and coloured pan traps for flying invertebrates showed that overall species richness and diversity peaked in spring for flying invertebrates while peaks in richness for ground-dwelling invertebrates were in summer, with no difference in overall diversity. Overall abundance for ground-dwelling invertebrates was highest in summer and lowest in winter. Ground-dwelling invertebrate fauna was dominated by Formicidae and Araneae. Grazing and cultivation lead to skewed community composition of ground-dwelling invertebrates which favours disturbance tolerant and generalist species such as Anoplolepis steingroeveri (Forel).
12
Byrne, Richard James. "The landuse and landscape impact of the reform of the Common Agricultural Policy." Thesis, University of Winchester, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.550221.
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Cheung, Wai-hung Tony. "Harbour reclamation in Hong Kong : land production and landuse planning : the environmental perspective /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25800061.
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Horrocks, Claire Alice. "Intensive agriculture to semi-natural grassland : evaluating changes in ecosystem service provision to help determine costs and benefits of agri-environment schemes." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/8285.
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Intensive agriculture has led to an increase in production; however this has often coincided with a decline in the provision of other Ecosystem Services (ES). ES affected include those regulated by soil chemical, physical and biological properties such as biodiversity provision and the regulation of nutrient cycling, water quality and rates of greenhouse gas emissions. A growing awareness of the value of nonproduction ES to human health and wellbeing has encouraged the funding of agrienvironment schemes in the UK, through which farmers receive funding to alter management practices to increase the provision of certain ES. One particular management change encouraged through agricultural payments is the creation of species rich grassland (SRG) on former intensively managed (IM) arable or grassland sites. Under these schemes farmers are required to carry out an extensification of management practices by reducing or ceasing fertiliser application, grazing and cultivation, or removing the existing crop or sward and sowing a specified seed mix of desired grassland species. Despite the commitment of substantial sums of money and land to extensification schemes, there has been little research into the extent to which they enhance provision of multiple ES and the potential for the legacy of intensive agriculture to limit ES provision and greatly reduce the value of extensification. This study aimed to: 1) compare soil properties between sites remaining under intensive management and those that had undergone extensification; 2) relate soil properties to; fluxes of the greenhouse gas nitrous oxide (N2O), plant diversity, soil microbial diversity and concentrations of nutrients in leachate from intensively and extensively managed sites in order to determine potential benefits of extensification. Paired field plots were established on working farms in south east Scotland and at Rothamsted Research North Wyke in south west England. Each of the four plot pairs in Scotland consisted of a newly created SRG on former arable land and an adjacent IM plot. The SRG plots ranged in age from 3 to nine years old in 2010. Soil samples were collected from the Scottish sites twice yearly in 2010 and 2011, alongside regular measurements of N2O fluxes from soil and assessment of plant diversity. At North Wyke four replicated SRG plots, forming part of an existing experiment on former intensive grassland, were each paired with an IM plot. Soil samples were analysed for their chemical and physical properties and for the concentration of certain phospholipid derived fatty acids (PLFA) biomarkers to compare the composition and size of the soil microbial community. Soil N2O fluxes and the nitrogen (N) and phosphorus (P) concentrations of soil water samples measured in 2010 and 2011. Results from more intensive N2O flux measurements, conducted in 2012, were compared to model output from the UK-DNDC model to assess its potential for predicting changes in N2O emissions following extensification. No significant difference was found in any soil chemical or physical properties between paired IM and SRG plots in Scotland, although soil bulk density tended to be lower in the older SRG plots relative to the paired IM plots. Nitrous oxide emissions were low from all plots with only an occasional emissions peak being recorded and overall there was no significant effect of management intensity on soil N2O fluxes. The UK-DNDC model outputs were generally of a similar order of magnitude but poorly correlated with measured N2O fluxes and soil water and available N content. Botanical diversity was enhanced in the SRGs compared to the IM plots, though plant species were mostly of low conservation value and indicative of a high nutrient environment and the diversity of the SRG plots was low, compared to long-established semi-natural grassland elsewhere in Europe. Total soil PLFA concentration was significantly higher in the IM plots but the fungal concentration and the ratio of Gram positive:Gram negative bacteria were no greater in the SRG, suggesting it had begun to resemble long-term unimproved grassland. Despite limited success at obtaining soil water samples, at North Wyke concentrations of mineral N in soil water were lower from the SRG plots than the IM plots, although there were no consistent differences in total P or organic N concentrations, organic N contributed over 80% of the total N in soil water samples from the SRG plots. This study has shown that the legacy of intensive agriculture continues to affect soil properties for at least 10 years following extensification. The results suggest that the potential for newly created SRGs to provide enhanced ES’ could be limited and may not justify the reduction in productivity and the financial input associated with shortterm extensification schemes.
15
Parmenter, J. M. "The development of the wetland vegetation of the Broadland region : a study of the sociohistorical factors which have influenced and modified the development of fen vegetation in Broadland." Thesis, University of East Anglia, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368356.
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Esau, Mandy Anita. "Investigating channel change in relation to landuse change in the Klein Berg River, Tulbagh." Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&.
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The Klein Berg River catchment is intensely cultivated with orchards, vineyards and wheat, while also ensuring a water supply to the main urban center, Tulbagh, and the two conservation areas (Waterval and Groot Winterhoek). The primary objective of this thesis is to determine channel change over a long and short time period, and to relate these changes to landuse change within the catchment. Assessing stability of a selected reach within the catchment was done on a short term basis with the use of erosion pins and cross
profiles, while aerial photographs of over 55 years (acquired during 1942, 1967, 1987 and 1997) which were analysed using Geographic Informations Systems. Rainfall and discharge data, which were available for a period of 49-years were statistically analysed and used to determine trends. Vegetation characteristics were assessed by means of transects within the study reach. The results over the short time period (18 months) indicate noticeable channel change in the form of erosion and deposition within the channel. Bank material composition and riparian invasive alien vegetation play an important role in bank stability. Sand was the dominant grain size of the bank material, and fluvial entrainment occurred during periods of high flow. Woody alien trees prevent the growth of protective ground vegetation, and thus the soil is prone to erosion. Undercutting was also observed with the invasive woody trees, resulting in treefall. Debris dams were also common in the channel and depending on their position in the channel, either cause or prevent bank erosion. Landuse change over the 55-year period illustrated its effects on channel stability. Shrublands within the catchment has been replaced with invasive alien vegetation along the riparian zone, while shrublands along the Obiekwa Mountains, were replaced with cultivated lands. The patterns (shape and size) of lateral and point bars within the study area changed significantly within the 55-year period, which indicates a change in the discharge and sediment dynamics within the catchment. The change in sediment dynamics may be due to agricultural activities and urbanization. The increased trend in rainfall, especially during the winter season within the catchment is also an important catchment control. The study has revealed the integrated nature of variables within the catchment. It is thus recommended that a holistic and integrated approach at a catchment scale is required in the assessment of channel change of a river.
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Rachman, Seaful, and n/a. "Infiltration under different landuse types at the Upper Ciliwung watershed of West Java, Indonesia." University of Canberra. School of Resource, Environmental and Heritage Sciences, 1992. http://erl.canberra.edu.au./public/adt-AUC20041215.124610.
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Infiltration, the process of water movement through the soil surface is one of most important hydrological processes to be considered in watershed management. The process depends on rainfall, soil, vegetation and
topographic conditions. The last three variables can be influenced by human land-uses. This study is concerned with the influence of landuse
types (categories) on infiltration at the upper
Ciliwung watershed of West-Java, Indonesia. Sixty six infiltration measurements were carried out in 5 types of land-uses i.e. natural forest, agriculture, settlement, productive (old) tea and new tea plantation areas. The measurements were done using ring infiltrometers. The data
obtained were expressed in the form of Philip's equation I = st1I2 + At, where I is cumulative infiltration; S is sorptivity; t is time; A is a parameter which was calculated from saturated hydraulic conductivity (K). Crown cover, slope gradient and soil variables such as soil moisture, organic carbon content, total porosity,
bulk density were also analysed from each of the 66 sites. The results of the study shows that land-use types have significant influence on these soil variables and on infiltration. Crown cover and human activities in term of land management are among the most important factors which affect soil condition. These variables mostly influence total porosity of soil which is the most important variable to determine sorptivity and hydraulic conductivity. High percentage of crown cover and less human activity
in forest area result in high accumulation of litter and humus and high total porosity of soil. On the other hand, settlement and new tea plantation areas have comparatively low crown cover and more frequent human activity which
result in soil compaction. Discriminant function analysis of land-use categories shows that the soil under forest is very distinct from the soils under other land-use types. However, the soils under the remaining land-use types are
more similar to each other, especially between the soil of settlement and tea plantations.
The rank of infiltration rate from the highest to the lowest magnitude is as follows; natural forest, agriculture, productive tea plantation, new tea plantation and settlement areas. Infiltration rates under natural forest and agriculture are significantly different from each
other as well as from those in the last three land- use types. However, there are no significant differences in infiltration rates among the last three land-use types. The result of this study also provides basic information
for landuse management and further research in
order to solve soil and water conservation and management problems in the watershed.
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Kaufman, Pamela E., and n/a. "Conserving urban cultural landscapes : a critical examination of social values in landuse planning decisions." University of Canberra. Resource, Environmental & Heritage Sciences, 1999. http://erl.canberra.edu.au./public/adt-AUC20060807.125523.
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Increased development pressure in inner city areas of many Australian and North
American cities has resulted in the loss of locally valued cultural landscapes.
Accompanying this process is palpable concern by local residents that their values have
not been taken into account. While architectural and historical values are well
recognised by heritage and planning practitioners, less tangible social values are often
ignored.
This thesis argues that a gap has formed between the process through which people
interact with place and the process of landuse planning. The aim of the research is to
critically examine this gap. Pyrmont and Ultimo, an inner city redevelopment area of
Sydney, provides a context of rapid social and physical change. Open-ended,
unstructured and semi-structured interviews with residents of Pyrmont and Ultimo, and
professionals involved in planning and development provide insight into perspectives
about the consideration of social values in landuse planning.
The results indicate that the loss of valued places may have physical and social
implications on people and place including loss of local character and identity,
increased conflict, resident anxiety and disillusionment with planning processes.
Residents and planners develop strategies for coping, but these do little to improve
limited information flow and understanding. Bridging the gap between the two
processes calls for a stronger link between heritage conservation and planning, in
addition to planning reform. The research suggests the need for formal landuse
planning to recognise the value of situational knowledge and social significance, rather
than rely on technical expertise and physical fabric. Efforts spent on refining methods
for identification and assessment of social value may be better directed towards
developing and improving methods for integrating the concept of social value into the
planning framework.
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Woo, Man-yee, and 鄔文懿. "The development of serviced apartments in Hong Kong: its implications on the landuse control." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1990. http://hub.hku.hk/bib/B31257768.
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Sun, Bo. "Spatio-temporal modelling of landuse and land cover change in arid zone, northwest China." HKBU Institutional Repository, 2010. https://repository.hkbu.edu.hk/etd_ra/1163.
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White, James Michael. "LANDUSE PATTERNING OF EARLY FORAGERS IN THE NORTHEASTERN DESERT OF MEXICO: INTERPRETATION AND ARCHAEOLOGICAL VISIBILITY." Lexington, Ky. : [University of Kentucky Libraries], 2006. http://lib.uky.edu/ETD/ukyanth2006d00410/.
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Thesis (Ph. D.)--University of Kentucky, 2006.Title from document title page (viewed on May 31, 2006). Document formatted into pages; contains xx, 499 p. : ill. (some col.), maps. Includes abstract and vita. Includes bibliographical references (p. 481-497).
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Schmitt, Ulrich. "Forest rehabilitation under current landuse conditions in Northern Shaanxi, P.R. China ecological and socioeconomic perspectives /." [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=972319875.
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Siu, Yee-lin Richard, and 蕭爾年. "Landuse, home-ownership and development: feasibility of tax relief on housing mortgages in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1990. http://hub.hku.hk/bib/B31257732.
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Hagan, Willard Nelson. "Local government role in ensuring pipeline safety : landuse planning, development controls, transportation of hazardous materials." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/74350.
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Thesis (M.C.P.)--Massachusetts Institute of Technology, Dept. of Urban Studies and Planning, 1989.Title as it appeared in M.I.T. Graduate List, June 1989: Public policy, land-use planning, and development controls; zoning mandate of pipeline safety.
Includes bibliographical references (leaves 69-107).
by Willard Nelson Hagan.
M.C.P.
25
Mölders, Nicole. "On the influence of the geostrophic wind direction on the atmospheric response to landuse changes." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-213350.
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Simulations alternatively assuming a landscape with and without urbanization plus open-cast mining were performed with a non-hydrostatic model. lt is examined whether the atmospheric response to landuse changes is sensitive to the direction of the geostrophic wind. The results of simulations with the same geostrophic wind direction show that except for the cloud and precipitating particles the daily domain-averages of the variables of state hardly differ for the different landscapes. Nevertheless, the local weather may be affected appreciably over and downwind of the altered surfaces. The significant differences in the cloud and precipitating particles, however, are not bound to the environs of the landuse changes. Generally, the most significant differences occur for the cloud and precipitation particles, the soil wetness factors and the vertical component of the wind vector. The latter changes strongly influence the cloud and precipitation formation by the interaction cloud microphysics-dynamics. The results also indicate that for most of the quantities the local magnitude of the atmospheric response changes for the various directions of the geostrophic wind. However, the differences of the domain-averaged 24h-accumulated evapotranspiration are similar for all geostrophic wind directionsUm zu untersuchen, ob die atmosphärische Antwort auf Landnutzungsänderungen sensitiv zur Richtung des geostrophischen Windes ist, wurden Simulationen durchgeführt, bei denen alternativ eine Landschaft mit und ohne Urbanisierung plus Tagebauten angenommen wurde. Die Simulationsergebnisse zeigen, daß - außer für Wolken- und Niederschlagspartikel - die täglichen Gebietsmittelwerte der Zustandsvariablen sich kaum für die beiden Landschaften unterscheiden. Trotzdem kann das lokale Wetter merklich über und im Lee der Oberflächen mit veränderter Landnutzung beeinflußt werden. Die signifikanten Differenzen in den Wolken- und Niederschlagspartikeln sind jedoch nicht an die unmittelbare Nähe der Landnutzungsänderungen gebunden. Generell treten die signifikanten Unterschiede bei den Wolkenund Niederschlagspartikeln, der Bodenfeuchte und der Vertikalkomponente des Windvektors auf. Letztere beeinflussen stark die Wolken- und Niederschlagsbildung durch die Wechselwirkung Wolkenmikrophysik-Dynamik. Die Ergebnisse zeigen außerdem, daß lokal der Grad der atmosphärischen Reaktion für die meisten Größen bei unterschiedlicher Richtung des geostrophischen Windes anders ausfällt. Die Differenzen der Gebietsmittelwerte der 24h-akkumulierten Evapotranspiration gleichen sich jedoch für alle Richtungen des geostrophischen Windes
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Mölders, Nicole. "On the influence of the geostrophic wind direction on the atmospheric response to landuse changes." Universität Leipzig, 1998. https://ul.qucosa.de/id/qucosa%3A15076.
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Simulations alternatively assuming a landscape with and without urbanization plus open-cast mining were performed with a non-hydrostatic model. lt is examined whether the atmospheric response to landuse changes is sensitive to the direction of the geostrophic wind. The results of simulations with the same geostrophic wind direction show that except for the cloud and precipitating particles the daily domain-averages of the variables of state hardly differ for the
different landscapes. Nevertheless, the local weather may be affected appreciably over and downwind of the altered surfaces. The significant differences in the cloud and precipitating particles, however, are not bound to the environs of the landuse changes. Generally, the most significant differences occur for the cloud and precipitation particles, the soil wetness factors and the vertical component of the wind vector. The latter changes strongly influence the cloud and precipitation formation by the interaction cloud microphysics-dynamics. The results also indicate that for most of the quantities the local magnitude of the atmospheric response changes for the various directions of the geostrophic wind. However, the differences of the domain-averaged 24h-accumulated evapotranspiration are similar for all geostrophic wind
directions.Um zu untersuchen, ob die atmosphärische Antwort auf Landnutzungsänderungen sensitiv zur Richtung des geostrophischen Windes ist, wurden Simulationen durchgeführt, bei denen alternativ eine Landschaft mit und ohne Urbanisierung plus Tagebauten angenommen wurde. Die Simulationsergebnisse zeigen, daß - außer für Wolken- und Niederschlagspartikel - die täglichen Gebietsmittelwerte der Zustandsvariablen sich kaum für die beiden Landschaften unterscheiden. Trotzdem kann das lokale Wetter merklich über und im Lee der Oberflächen mit veränderter Landnutzung beeinflußt werden. Die signifikanten Differenzen in den Wolken- und Niederschlagspartikeln sind jedoch nicht an die unmittelbare Nähe der Landnutzungsänderungen gebunden. Generell treten die signifikanten Unterschiede bei den Wolkenund Niederschlagspartikeln, der Bodenfeuchte und der Vertikalkomponente des Windvektors auf. Letztere beeinflussen stark die Wolken- und Niederschlagsbildung durch die Wechselwirkung Wolkenmikrophysik-Dynamik. Die Ergebnisse zeigen außerdem, daß lokal der Grad der atmosphärischen Reaktion für die meisten Größen bei unterschiedlicher Richtung des geostrophischen Windes anders ausfällt. Die Differenzen der Gebietsmittelwerte der 24h-akkumulierten Evapotranspiration gleichen sich jedoch für alle Richtungen des geostrophischen Windes.
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Holbert, Sally Beth 1962. "Development of a geographic information system based hydrologic model for stormwater management and landuse planning." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277108.
Full textAbstract:
The HYDROPAC model was developed to improve the technology transfer from the science of hydrology to environmental planning disciplines by initiating advanced spatial analysis techniques for predicting rainfall-runoff relationships. This model integrates the Soil Conservation Service (SCS) equations for calculating runoff and a Geographic Information System (Map Analysis Package) in a framework that allows the simulation of runoff processes over a digital elevation model. The simulations are done in discrete time steps allowing the generation of a hydrograph at any desired point in the watershed and the overland flow patterns are displayed in maps. This framework addresses some of the current limitations of hydrologic model for stormwater management planning in terms of capabilities for analysis and communication of results. This manuscript describes the methods used to develop the framework of the HYDROPAC model and its usefulness for analyzing potential runoff problems during the planning process.
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Shihadeh, Lubna Ahmad. "The Use of Landsat Thematic Mapper in the Study of Landuse/Cover and Water Quality Relationships." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/43360.
Full textAbstract:
In Jordan, the fourth driest country in the world, demand for water exceeds available water resources. The annual per capita water availability is 145 Cubic Meter (CM) per year, which is below the international poverty line of 500 CM/year. The increasing water deficit year-on-year poses serious future threat that will impact many sectors. Water quantity and quality are essential issues in Jordan and more efforts are needed to find new water resources, and to protect and improve the available resources.
This research seeks to study the relationship between Landuse/cover change and water quality in reservoirs in Jordan. Landuse changes were detected by using Landsat Thematic Mapper (TM) images obtained for King Talal reservoir in 1990 and 2006 and for Karameh reservoir in 1998 and 2006. Geometric correction and supervised classification were utilized in ERDAS software. Turbidity levels within the two reservoirs were estimated by the chromaticity technique and were compared to measured data from previous reports for both reservoirs. Remote sensing was successful in detecting the changes in landuse in both areas. The estimated turbidity levels correlated moderately well with measured data from previous reports for the same reservoirs; it was difficult to directly relate a specific Landuse/cover for turbidity levels. Limitations were defined as data collection and quality problems, in addition to some theoretical issues about using Landsat for this study.Master of Science
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Okay, Atiye Zeynep. "Spatial pattern and temporal dynamics of northern bobwhite abundance and agricultural landuse, and potential casual factors." Texas A&M University, 2004. http://hdl.handle.net/1969.1/3355.
Full textAbstract:
There was a long-term decline in northern bobwhite (Colinus virginianus, NBW)
abundance since the 1920s, based on the Christmas Bird Count (CBC) data, but with
substantial spatial and temporal variations across its range. There were four
recognizable periods in the spatial and temporal dynamics of NBW abundance between
1920 and 1990. Severe weather conditions and habitat loss due to land use change
appeared to be the most important factors influencing the long-term trends and spatial
patterns in NBW abundance.
A spatial database of agricultural land use was developed based on the Census of
Agriculture to evaluate the spatial patterns of land use variables over NBW range from
1920 to 1997. The results showed dramatic changes in land use over the period and the
influence of socio-economic events, natural disasters and federal agricultural policies on
the dynamics of land use pattern, and potential implications to NBW abundance were
identified. Replacement of less intensive agriculture with intensive monoculture
production and mechanization coincided with World War I, and the post-war collapse in
agriculture and the economy, partly associated with the Dust Bowl, enhanced this trend.
Monoculture production and clean farming practices were further intensified during
World War II and the years following the war. These land use changes had overall
negative effects on NBW habitat.
Analysis of the changes in spatial pattern of NBW abundance in the Great Plains
region during the severe drought of the 1950s showed a significant decline in NBW
abundance during the drought and a contraction of the NBW range at its western edge.
The post-drought recovery exhibited spatial patterns significantly different from the predrought
ones. These findings suggested that severe drought caused short-term changes
in regional distribution of NBW and range contraction, as well as long-lasting, largescale
changes in spatial distribution of NBW abundance.
This study provides scientific basis for landscape planning and management.
Evaluating the spatial pattern and temporal dynamics of certain wildlife species at large
scales over long-term periods, and identifying potential causal factors are key strategies
for implementing innovative and sustainable approaches to planning and policy. Such
strategies will have a significant impact on future landscape and wildlife species.
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Ting, Suet-yi Doris, and 丁雪儀. "A review of industrial landuse planning in Hong Kong in the light of recent economic transformation." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B31258724.
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Kroll, Jeffrey T. "LANDUSE AND SOIL ORGANIC CARBON VARIABILITY IN THE OLD WOMAN CREEK WATERSHED OF NORTH CENTRAL OHIO." Miami University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=miami1165431813.
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Ting, Suet-yi Doris. "A review of industrial landuse planning in Hong Kong in the light of recent economic transformation /." Hong Kong : University of Hong Kong, 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19672457.
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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.
Full textAbstract:
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.
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Grudzinski, Bartosz Piotr. "Influence of watershed grazing management on stream geomorphology in grassland headwater streams." Diss., Kansas State University, 2014. http://hdl.handle.net/2097/18688.
Full textAbstract:
Doctor of PhilosophyDepartment of Geography
Melinda D. Daniels
This dissertation increases our understanding of the drivers that shape and maintain grassland streams and their watersheds by examining the influence of grazing management practices on suspended sediment concentrations, bare ground production, and changes to channel geomorphology. Chapter 2 demonstrates that cattle grazing produces significantly higher baseflow suspended sediment concentrations relative to bison grazing. Suspended sediment concentrations within bison-grazed streams are similar to ungrazed streams, indicating that the substitution of cattle for bison has resulted in degradation of baseflow water quality in grassland streams. Burning frequency, discharge, and seasonality are also significant drivers of suspended sediment concentrations, but are generally less influential than grazing treatments. Chapter 3 indicates that high density cattle grazing treatments produce more bare ground within the riparian zones of grassland stream networks, particularly underneath tree canopy cover. The increased bare ground coverage within riparian areas is correlated with increased suspended sediment concentrations during baseflow conditions, while watershed-scale bare ground production is correlated with increased suspended sediment concentrations during storm flow events. Chapter 4 demonstrates channel geometry and sedimentology are significantly influenced by grazing treatments. This dissertation is the first study to comparatively evaluate the relative influence between cattle and bison grazing on stream geomorphology within any environment. Insight gained from this project can be used by public and private land use managers to improve the environmental integrity of native grassland ecosystems.
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Lockard, Brendan Corbett. "Long Term Hydrologic Effects on Stream Health from Residential Development Patterns." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/34013.
Full textAbstract:
In this study eight residential development scenarios are created for the mostly undeveloped Back Creek Watershed outside Roanoke, Virginia. The development scenarios include low, medium (cluster), medium (conventional), and high density development with and without development restrictions. These scenarios represent a large range of development as the land use imperviousness varies from 1% for the baseline condition to 34% for the most developed scenario. The hydrologic model HSPF is used to generate overland and channel flows from 43 years of rainfall. Hydrologic output from HSPF of the various landuse patterns from the eight scenarios are evaluated using Post Processor, a Visual Basic program. The results show that increased development causes a reduction in Back Creek's baseflow and an increase in the occurrence of both high and low flow extreme events. Overall, these results indicate that increased development will increase the variability of flowrate in Back Creek.
Stream health impacts from flow variability were also analyzed with the Post Processor. First, hydrologic statistical variables with ecological relationships were used to gage the level of stream health impacts from flow variability. The averaged stream health index for the development scenarios was found to closely follow the amount of development, represented by the percent of impervious landuse. Second, the amount of velocity, depth, and both depth and velocity habitat available for three habitat guild representative species was evaluated for each scenario. The results indicated that increased development would lead to a substantial reduction in available riffle species habitat (represented by the fantail darter) and a moderate reduction in run and pool species habitat (represented by the central stoneroller and smallmouth bass, respectively).
Overall, increased development has been found to have a negative impact on stream health. This impact should be considered in any future expansion of the Roanoke suburbs into this watershed.
Master of Science
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Russel, Immit Mojiol Andy. "Ecological landuse planning and sustainable management of urban and sub-urban green areas in Kota Kinabalu, Malaysia /." Göttingen : Cuvillier, 2006. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=015497066&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.
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Jordan, Greta [Verfasser]. "Water use efficiency and management of agro-pastoral landuse systems in the Mongolian-Chinese Altay / Greta Jordan." Kassel : Universitätsbibliothek Kassel, 2017. http://d-nb.info/1127772864/34.
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Walpole, Peter W. "An analysis of the drivers and impacts of landuse change in the tropical uplands of Mindanao, Philippines." Thesis, King's College London (University of London), 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.516161.
Full textAbstract:
Landuse change in upland Mindanao is driven by the history of commercial logging, the disregard for indigenous communities, the lack of tenure for migrants and the limited development of sustainable resource management strategies. The area's climate, forest hydrology and nutrient balances are a source of sustainability, yet with landuse change the potential for erosion and loss of the limited nutrient base, broader environmental degradation is probable without greater accountability and better options. Responses from traditional management indicate some of the possible options to be involved The main forest type is a tangile-oak association (premontane) with total estimated biomass being 479 tha-I. High clay levels, low bulk density and porosity are reflective of the undisturbed forest, estimated infiltration rates start at 10,000 mmhr-l levelling off in 30 minutes at 1,700 mmhr-l, high throughflow allows for fast delivery, yet baseflow is sustained during dry season. The other five land uses reflect lower clay, porosity, infiltration rates and nutrient loss especially maize with coffee being an exception given associated activities of soil fauna. The annual precipitation is over 2500mm, while during El Nifto (1997-8) less than 2000mm fell, registering 3 to 6 months drought in the broader area. Hydrographs give a discharge pattern of quick return to base flow which is sustained at half rate during droughts. Calculated potential evapotranspiration for maize area is around 28% while for forest is 55%of rainfall. More than 30% of the rainfall events are potentially erosive. Establishing the rainfall pattern and forest water budget gives a definite characterisation and importance to the uplands as valuable water producing areas. Nutrients in precipitation are in the order of sodium, calcium and potassium and, other than magnesium from weathering, are the crucial inputs in a tight forest nutrient cycle. For Bendum, high infiltration may be enough to give constant stream chemistry with established equilibria between aqueous and solid phases, due to the storage time in the soil for where there is good land cover. Ranking of landuses according to levels of sustainability on-site and off site were established ..... . With expanding agriculture and forest utilization greater soil and water conservation, utilization of buffer zones and a new level of integrated water resource management is needed locally and in both extension work and landuse planning by local government.
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Lung, Yan-cheung Helen, and 龍欣翔. "Landuse planning for an accessible transport system and built environment for the wheelchair bound in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1998. http://hub.hku.hk/bib/B31259789.
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Chang, Chun-Cheng, and 張峻誠. "Landuse Planning Assessment by Disasters Data." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/17076376536694134874.
Full textAbstract:
碩士國立臺灣大學
建築與城鄉研究所
85
The aim of this research is the assessment of landuse planning by disasters data.By use of GIS overlay analysis, we could overlay disasters data with zoning map, urban-planning area map, sensitively environmental area map, and landuse map.The research also create performance indices to calculate the percentage of overlay areafrom the above data.Lately, the result of performance indices, could be the references of landese planning assessment.
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Chu, Yi-Ching, and 朱怡靜. "Applying Satellite Image to Landuse Change Analysis." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/29414939409768742729.
Full textAbstract:
碩士國立宜蘭大學
土木工程學系碩士班
96
Ever since the government began promoting industrialization, Taiwan’s economy has seen dramatic improvement and the national income has increased substantially. The overall economic growth has been greatly restricted by usable land and focused in the northern area. Although I-Lan is considered to be part of the northern area, due to poor terrain and inadequate transportation limitations, the economic growth has been slow and does not compare to the growth experienced by other cities in the northern area. To facilitate the transportation of traffic going in and out of I-Lan, the government constructed National Highway 5 and improved I-Lan inter-city roads to connect bordering towns and counties. This will also help balance out the disproportional growth between the city and the countryside. Using FORMOSAT2 satellite imagery from 2005 to 2007 and ground level research data. To penetrate Land Change Modeler and Image Differencing and so on different methods of change detect. Discussing land use change situation in I-Lan, use the satellite imagery after NDVI and Image Differencing. We see that after I-Lan’s transportation was improved, although the population decreased, new building construction is starting to shift beyond the outskirts of the city.
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Stanley, Jeanette. "Managing policy-driven landuse change to enhance the sustainability of rural communities." Phd thesis, 2005. http://hdl.handle.net/1885/12878.
Full textAbstract:
Landuse change is occurring across rural Australia with significant implications for
rural communities, socially, economically and environmentally. Some of this change is the result of explicit government policy. Policy-driven landuse change has the potential to change landscapes, alter local and regional economies, and change social dynamics. In some cases, the changes that take place are unable to be absorbed by local communities, who may not have the resilience or 'stocks' of social capital to cope with and adapt to the changes. Hence, policy-driven landuse change may threaten the social and economic sustainability of surrounding communities. Alternatively, the change may be 'embraced' by the local community as a positive alteration to the existing economic, social and physical landscape, and can offer economic and social opportunities for communities under pressure from highly variable market and climatic conditions. By synthesising three bodies of literature, and exploring case study evidence, this thesis aims to make both a practical and theoretical contribution, by exploring the conditions under which policy-driven landuse change can contribute to sustainable rural communities. I argue to achieve this, it is necessary to identify and manage social and economic issues associated with landuse change. This study examines two
case studies of policy-driven landuse change, and examines the social, economic and institutional issues that have arisen. The knowledge gained from this study will enable
policy makers to better implement proposed landuse change to promote opportunities for regional and local communities. The first case study examines the Adjungbilly community near Gundagai and Tumut in NSW. Predominantly a grazing community, the major change in the region is the active, government-sponsored replacement of agricultural landuses with softwood plantations. Large tracts of pastoral land have been purchased and are now being
developed as pine plantations. This is having significant impacts on the rural community, resulting in a negative relationship between Forests NSW and the local Adjungbilly community.
The second case study examines a rural community within the Bourke district of western NSW. While the region is still dominated by large grazing properties, since 1996 the NSW NPWS have purchased three former grazing properties to create Gundabooka National Park totalling over 60,000 hectares. Gundabooka National Park was proclaimed under a state government initiative to protect natural systems in the Western Division considered under-represented in the reserve system and to protect cultural values. The landuse change in this region is far less visually obvious than that of Adjungbilly, but still represents a significant change in management philosophies, goals and priorities, from one of economic production to one of ecological conservation. In contrast to the Adjungbilly case study, the Bourke community have
responded to the transition to national park positively. It is therefore possible to learn
from this to better inform the management decisions and philosophies that influence
future landuse change decisions. To introduce policy-driven landuse change in a way that contributes to a community's long-term sustainability, and offers economic and social opportunities for the community, this thesis has proposed a community landuse policy approach, combining social impact assessment, public participation, and social capital enhancing strategies into a practical policy framework. This approach is encapsulated within five management philosophies: • Place-based management; • Managing landuse change at a local and regional level; • A triple-bottom-line approach; • Adopting a participatory approach; and • Whole-of-government decision-making.
These management philosophies lay the foundations for all decision-making surrounding landuse change. By planning for change, and introducing it in a sensitive manner, communities and governments can influence the social outcomes and the ongoing sustainability of communities. Policy-driven landuse change can, therefore, be a positive experience for communities, enhancing their long-term sustainability.
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WANG, JIN-RUI, and 王進瑞. "Research on the relation between site and landuse." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/08568799922693925122.
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liang, Chign-yi, and 梁靜宜. "The Prediction Model of Landuse Changes in Jhuangwei, Yilan." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/68138589478551482203.
Full textAbstract:
碩士逢甲大學
土地管理所
98
Land use change is the interaction of the environment and human being activity. Different social and economic environment condition will result different landuse. Yilan located in north-east and the transportation is not so convenient. Therefore, the government decided to build the Taipei-Yilan Freeway. The built of the Taipei-Yilan Freeway caused the change of land use and the increased tourists also affected the land use. The research use the CLUE-S model which combined the RS.GIS and binary logistic regression analysis to simulate the land use change of Jhangwei village from 1993 to 2020. The consequence shows that the CLUE-S is a feasible simulation model and the landuse of Jhangweihas been verified of significant change that should be taken care by relative government agencies.
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Hsu, Haw-Yau, and 許浩堯. "Study on Effect of Landuse to Runoff in Slopeland." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/27772775817091815027.
Full textAbstract:
碩士國立臺灣大學
農業工程學系
84
Because the population in Taipei Area was increasing rapidly, th- at the various developed type and immoderate development on slo- peland usually caused disasters of flood and sediment in downst- ream zone.Hence,this study analyzed the result of flume experim- ent to explore the roughness coefficient for different developed type and degree,and composite setup of different developed types .After comparing with the result of test and area weighted meth- od,the modified coefficient could be got and be used to simulate different developed type and degree which could explore the eff- ect of different types of landuse and developed degree on slope- land in HEC－1 model.By means of flume experiment and model test ,this study got the following results: 1.When the distance between each roughness elements was too sho- rt,the total roughness coefficient woule be decreased. 2.The relative submergence(y/k)should be grteater than two so t- hat the value of roughness could be in steady condition. 3.For resistance including both of surface resistance and form one,form resistance was usually needed to added raising total resistance largely in case of surface resistance arriving its extreme. 4.When the area ratio of two vompositions of landuse,was consta- nt the roughness coefficient would be larger for larger rough- ness of landuse located in its downstream zone. 5.As the slope from 0 to 0.004972,the n value from test would be 1.08-1.14 times of that from area weighted method. 6.For the same conditions of rainfall,the effect of infiltration would be more significant than roughness in routing runoff hy- drograph by Kinematic wave method.
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Xu, Hao-Yao, and 許浩堯. "Study on Effect of Landuse to Runoff in Slopeland." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/94643418662736717314.
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Lin, Wei-Cheng, and 林偉誠. "Issues and Strategies of landuse suitability in Cingjing Area." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/51859561707400115745.
Full textAbstract:
碩士國立中興大學
水土保持學系所
100
Due to its special alpine landscape along with unique cultures of the Burma people and various farming activities, Ren-ai Township in Nantou Country has become a popular tourist area. According to the statistics derived from the Bureau of Tourism, the increase of tourists has lead to the growth of traffic and hotel industries since 2001. Through collecting information from the people in the Chinjing area and from the public opinion, this research discovers the problem of difficult water extraction, poor guesthouse management, and the construction of illegal buildings. Moreover, several problems such as the increasing pollution due to the development of the tourism industry, insufficient parking spaces, and the planting of high economic flowers have led to excessive land usage. In addition, the application of pesticide and fertilizer has also caused environment pollution, harming nearby lands of the Wushe reservoir. Results show that there are 373.66 hectares of available lands which are exclusive in the sensitive areas and are mainly located at the sides of the Tai-14 county route. Due to having the properties of those of small hinterlands, these areas are unable to develop into popular tourist spots. Within the sensitive areas are lands that are often covered by forests. Forest occupied areas, which account for 86.04%, are environmentally sensitive areas while bare collapse areas account for 4.64%, and farming area accounts for 3.05%. In order to lessen pollution, other than maintaining the current natural environment and strengthening the treatment of bare lands, we should stop occupying farmlands, especially the lands in nearby water sensitive areas. The banning of any form of land exploitation within 350.26 hectares of the sensitive areas is recommended in order to maintain conserve the environment and forest landscapes. In the future, the SWOT should be utilized along with the usage of advantages so that current forest landscapes, unique guesthouse features, and cultural diversity can be conserved. Moreover, through urban planning, more public space and the limitation of total development should be promoted. Thus, in order to strengthen alpine land management and prevent land exploitation, the central authority should convene a unit consisting of the Aboriginal Authority, the Forestry Bureau, the Soil and Water Conservation Bureau, the Tourism Bureau, the Construction and Planning Agency, and other relevant organizations, to avoid management difficulties that the local government might encounter.
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Homolová, Adéla. "Historická rekonstrukce soustavy rybníků v obci Pomezí." Master's thesis, 2008. http://www.nusl.cz/ntk/nusl-95542.
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Lin, Chia-Ming, and 林嘉銘. "A Study of Sustainable Landuse in She-Zih Area, Taipei." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/40571391410589051003.
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CHOU, Hui-Wen, and 周惠文. "The Research of commerical-industri Districts landuse change Behoove Afford." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/40508270084757229941.
Full textAbstract:
碩士逢甲大學
土地管理研究所
85
ABSTRACT The establishment of Commercial-Industrial Districts is an important current government policy. One objective of this policy is to help the businessmen find land they need in building offices and factories to boost the pace of economic development which has been in a recession for quite a few years. Another purpose is to legalize the illegal industrial-use of land in the areas not so designated. There will be tremendous wind-fall profits when land is converted from agricultural use to commercial- industrial use. The increase in land value is caused by governmental policy and/or planning change but not the landowner''s own effort and it should be collected and used for the public. To achieve this purpose, the government introduced a measure of the dedication of land and cash in lieu of by an executive order. According to the executive order, a flat rate of 30% of land should be dedicated for environmental preservation purpose and registered as public land. Another 28% of the land should be used for public facilities but still owned by private investors. The cash in lieu of is 12% of the building area''s announced current value. The dedication of land and the cash in lieu of are using the same flat rate as mentioned above without any consideration of the original type of land-use before the conversion. It shows the inequality of the dedication measures with different land-uses from which conversions into commercial-industrial use take place. The purpose of this study is to investigate into the problems of the inequality of the dedication of land and the cash in lieu of and attempting to find ways to make the distribution of the increased values of land-use conversion more equally and can be collected for the uses of public purposes. The results show that the collection of impact fees and/or development charges would be a better way to achieve the wealth distribution purposes with the increase in value when land is converted to a higher use.