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Dissertations / Theses on the topic 'Hydrologic models – Orange river'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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1

Thoe, Wai. "Integrated river management of the East River field studies, hydrologic and water quality modelling /." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B38997575.

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2

Tian, Ying. "Macro-scale flow modelling of the Mekong River with spatial variance." View the Table of Contents & Abstract, 2007. http://sunzi.lib.hku.hk/hkuto/record/B38027781.

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3

Thoe, Wai, and 陶煒. "Integrated river management of the East River: field studies, hydrologic and water quality modelling." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B38997575.

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4

Tian, Ying, and 田英. "Macro-scale flow modelling of the Mekong River with spatial variance." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B38735556.

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5

Batten, Douglas James. "Nonlinear time series modeling of some Canadian river flow data." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ54860.pdf.

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6

Romero, David R. "Hydrologic modelling on the Saint Esprit watershed." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ64442.pdf.

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7

Wu, Yiping, and 吴一平. "Investigation of integrated terrestrial processes over the East River basin in South China." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B43085799.

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8

Hameed, Maysoun Ayad. "Evaluating Global Sensitivity Analysis Methods for Hydrologic Modeling over the Columbia River Basin." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2398.

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Global Sensitivity Analysis (GSA) approach helps to identify the effectiveness of model parameters or inputs and thus provides essential information about the model performance. The effects of 14 parameters and one input (forcing data) of the Sacramento Soil Moisture Accounting (SAC-SMA) model are analyzed by using two GSA methods: Sobol' and Fourier Amplitude Sensitivity Test (FAST). The simulations are carried out over five sub-basins within the Columbia River Basin (CRB) for three different periods: one-year, four-year, and seven-year. The main parameter sensitivities (first-order) and the

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9

Barasa, Bernard. "Modelling the hydrological responses to changes in land use and cover in the Malaba River Catchment, Eastern Uganda." Thesis, Nelson Mandela Metropolitan University, 2014. http://hdl.handle.net/10948/d1020153.

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Hydrological responses vary from one catchment to another, depending on the nature of land use and cover changes. Modelling the hydrological responses to changes in land use and cover at different catchment spatial scales was the major focus of this study. This study assessed the hydrological responses attributed to changes in land use and extreme weather events resulting into increased sediment loading/concentration, rainfall-runoff generation/volume, streamflow fluctuation and modification of the river channel in the Malaba River Catchment, Eastern Uganda. The hydrological responses were ass

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10

Barr, Thomas W. "Development of a graphics interface for the Savannah River control program "Savres"." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/20978.

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11

Shrestha, Rajesh Raj. "River flood prediction systems : towards complementary hydrodynamic, hydrological and data driven models with uncertainty analysis /." Karlsruhe : Institut für Wasser und Gewässerentwicklung Universität Karlsruhe (TH), 2005. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=014799092&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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12

Sprouse, Garrett William. "Coupling fluvial-hydraulic models to study the effects of vegetation on sediment transport and flow dynamics in the South Platte River, Colorado." Thesis, University of Colorado at Boulder, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10162882.

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<p> This study investigated the effects of riparian vegetation on sediment transport rates and flow dynamics in the South Platte River just downstream of Fort Lupton, Colorado. FaSTMECH, a two-dimensional coupled fluvial and hydraulic model, was used to compute flow characteristics (velocity and depth) in addition to sediment mobility characteristics (shear stress and sediment flux) for four discharge levels ranging from 5% of bankfull flow to bankfull flow (Qbf). Estimates of a dimensionless drag coefficient (Cd) representative of the middle-aged bushy willows found on the river banks at the

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13

Wu, Yiping. "Investigation of integrated terrestrial processes over the East River basin in South China." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43085799.

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14

Abdulla, Fayez Ahmad. "Regionalization of a macroscale hydrological model /." Thesis, Connect to this title online; UW restricted, 1995. http://hdl.handle.net/1773/10151.

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15

Sabetraftar, Karim. "The hydrological flux of organic carbon at the catchment scale : a case study in the Cotter River Catchment, Australia /." View thesis entry in Australian Digital Theses Program, 2005. http://thesis.anu.edu.au/public/adt-ANU20070502.141450/index.html.

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16

Mousavizadeh, Mohammad Hassan. "Integration of a geographic information system and a continuous nonpoint source pollution model to evaluate the hydrologic response of an agricultural watershed." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0015/NQ44524.pdf.

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17

Picco, Robert C. "A comparative study of flow forecasting in the Humber River Basin using a deterministic hydrologic model and a dynamic regression statistical model." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ34219.pdf.

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18

Bari, Mohammed A. "A distributed conceptual model for stream salinity generation processes : a systematic data-based approach /." Connect to this title, 2005. http://theses.library.uwa.edu.au/adt-WU2006.0058.

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19

Imam, Bisher 1960. "Evaluation of disaggregation model in arid land stream flow generation." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277033.

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A Disaggregation model was tested for arid land stream flow generating. The test was performed on data from Black River, near Fort Apache, Arizona. The model was tested in terms of preserving the relevant historical statistics on both monthly and daily levels, the monthly time series were disaggregated to a random observation of their daily components and the daily components were then reaggregated to yield monthly values. A computer model (DSGN) was developed to perform the model implementation. The model was written and executed on the Macintosh plus personal computer Data from two months we

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20

Griscom, Hannah. "The drying of the Luvuvhu River, South Africa distinguishing the roles of dams and land cover change /." Laramie, Wyo. : University of Wyoming, 2007. http://proquest.umi.com/pqdweb?did=1313913321&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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21

Graves, David. "An Assessment of the Impacts of Climate Change on the Upper Clackamas River Basin with a Distributed Hydrologic Model." PDXScholar, 2005. https://pdxscholar.library.pdx.edu/open_access_etds/2432.

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The Pacific Northwest is dependent on seasonal snowmelt for water resources that support a significant portion of its economy. Increased temperatures resulting from higher concentrations of atmospheric greenhouse gases may cause disruptions to these resources because of reductions in the annual snowpack and variations of the timing of snowmelt. This study reconstructs and applies a GIS-based distributed hydrologic model at a monthly scale to assess the effects of future climate change on runoff from the Upper Clackamas River Basin (located near Portland, Oregon). Historic flow data and snow me

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22

Waibel, Michael Scott. "Model Analysis of the Hydrologic Response to Climate Change in the Upper Deschutes Basin, Oregon." PDXScholar, 2010. https://pdxscholar.library.pdx.edu/open_access_etds/45.

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Considerable interest lies in understanding the hydrologic response to climate change in the upper Deschutes Basin, particularly as it relates to groundwater fed streams. Much of the precipitation occurring in the recharge zone falls as snow. Consequently, the timing of runoff and recharge depend on accumulation and melting of the snowpack. Numerical modeling can provide insights into evolving hydrologic system response for resource management consideration. A daily mass and energy balance model known as the Deep Percolation Model (DPM) was developed for the basin in the 1990s. This model uses

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23

Shojaei, Nasim. "Automatic Calibration of Water Quality and Hydrodynamic Model (CE-QUAL-W2)." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1942.

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One of the most important purposes of surface water resource management is to develop predictive models to assist in identifying and evaluating operational and structural measures for improving water quality. To better understand the effects of external and internal nutrient and organic loading and the effects of reservoir operation, a model is often developed, calibrated, and used for sensitivity and management simulations. The importance of modeling and simulation in the scientific community has drawn interest towards methods for automated calibration. This study addresses using an automatic

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24

Psaris, Alexander Michael. "Assessing Hydrologic and Water Quality Sensitivities to Precipitation Changes, Urban Growth and Land Management Using SWAT." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1783.

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Precipitation changes and urban growth are two factors altering the state of water quality. Changes in precipitation will alter the amount and timing of flows, and the corresponding sediment and nutrient dynamics. Meanwhile, densification associated with urban growth will create more impervious surfaces which will alter sediment and nutrient loadings. Land and water managers often rely on models to develop possible future scenarios and devise management responses to these projected changes. We use the Soil and Water Assessment Tool (SWAT) to assess the sensitivities of stream flow, sediment, a

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25

Mwelwa, Elenestina Mutekenya. "The application of the monthly time step Pitman rainfall-runoff model to the Kafue River basin of Zambia." Connect to this title online, 2004. http://eprints.ru.ac.za/173/.

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26

Shrestha, Sabin. "Impact of Global Climate Change on Extreme Streamflow: A Case Study of the Great Miami River Watershed in Southwestern Ohio." Youngstown State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1494940474699982.

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27

Vilanculos, Agostinho Chuquelane Fadulo. "The use of hydrological information to improve flood management-integrated hydrological modelling of the Zambezi River basin." Thesis, Rhodes University, 2015. http://hdl.handle.net/10962/d1018915.

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The recent high profile flooding events – that have occurred in many parts of the world – have drawn attention to the need for new and improved methods for water resources assessment, water management and the modelling of large-scale flooding events. In the case of the Zambezi Basin, a review of the 2000 and 2001 floods identified the need for tools to enable hydrologists to assess and predict daily stream flow and identify the areas that are likely to be affected by flooding. As a way to address the problem, a methodology was set up to derive catchment soil moisture statistics from Earth Obse

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28

Rahman, Mohammed Mizanur. "Application of SWAT for Impact Analysis of Subsurface Drainage on Streamflows in a Snow Dominated Watershed." Thesis, North Dakota State University, 2011. https://hdl.handle.net/10365/29555.

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The wet weather pattern since the early 1990's has created two problems for the people living in the Red River Valley (RRV): (1) wet field conditions for farmers and (2) more frequent major spring floods in the Red River system. Farmers in the region are increasingly adopting subsurface drainage practice to remove excess water from their fields to mitigate the first problem. However, it is not clear whether subsurface drainage will deteriorate or mitigate the spring flood situation, the second problem. The Soil and Water Assessment Tool (SWAT) model was applied to evaluate the impacts of tile

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29

Shem, Willis Otieno. "Biosphere-Atmopshere Interaction over the Congo Basin and its Influence on the Regional Hydrological Cycle." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/11558.

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A comprehensive hydrological study of large watersheds in Africa e.g. the Congo basin and the Nile basin has not been vigorously pursued for various reasons. One of the major reasons is the lack of adequate modeling tools that would not be very demanding in terms of input data needs and yet inclusive enough to cover such wide extents (over 3 million square kilometers for the Congo basin). Using a coupled run of the Community Atmospheric model (CAM3) and Community Land Model (CLM3) components of the Community Climate System of Models (CCSM), this study looks into the spatial and temporal var

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30

Mohobane, Thabiso. "Water resources availability in the Caledon River basin : past, present and future." Thesis, Rhodes University, 2015. http://hdl.handle.net/10962/d1019802.

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The Caledon River Basin is located on one of the most water-scarce region on the African continent. The water resources of the Caledon River Basin play a pivotal role in socio-economic activities in both Lesotho and South Africa but the basin experiences recurrent severe droughts and frequent water shortages. The Caledon River is mostly used for commercial and subsistence agriculture, industrial and domestic supply. The resources are also important beyond the basin’s boundaries as the water is transferred to the nearby Modder River. The Caledon River is also a significant tributary to the Oran

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31

Tumbo, Madaka Harold. "Uncertainties in modelling hydrological responses in gauged and ungauged sub‐basins." Thesis, Rhodes University, 2015. http://hdl.handle.net/10962/d1018568.

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The world is undergoing rapid changes and the future is uncertain. The changes are related to modification of the landscape due to human activities, such as large and small scale irrigation, afforestation and changes to the climate system. Understanding and predicting hydrologic change is one of the challenges facing hydrologists today. Part of this understanding can be developed from observed data, however, there often too few observations and those that are available are frequently affected by uncertainties. Hydrological models have become essential tools for understanding historical variati

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32

Madadgar, Shahrbanou. "Towards Improving Drought Forecasts Across Different Spatial and Temporal Scales." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1516.

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Recent water scarcities across the southwestern U.S. with severe effects on the living environment inspire the development of new methodologies to achieve reliable drought forecasting in seasonal scale. Reliable forecast of hydrologic variables, in general, is a preliminary requirement for appropriate planning of water resources and developing effective allocation policies. This study aims at developing new techniques with specific probabilistic features to improve the reliability of hydrologic forecasts, particularly the drought forecasts. The drought status in the future is determined by cer

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33

Bari, Mohammed A. "A distributed conceptual model for stream salinity generation processes : a systematic data-based approach." University of Western Australia. School of Earth and Geographical Sciences, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0058.

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[Truncated abstract] During the last fifty years mathematical models of catchment hydrology have been widely developed and used for hydrologic forecasting, design and water resources management. Most of these models need large numbers of parameters to represent the flow generation process. The model parameters are estimated through calibration techniques and often lead to ‘unrealistic’ values due to structural error in the model formulations. This thesis presents a new strategy for developing catchment hydrology models for representing streamflow and salinity generation processes. The strategy

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34

Lins, Regina Camara. "Modelo de qualidade da água integrado a um sistema de informações geográficas : aplicação na bacia do rio Doce." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/55967.

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A crescente produção de carga orgânica e de nutrientes em bacias hidrográficas tem levado, historicamente, rios a significativas mudanças nos padrões de qualidade da água, na diversidade e riqueza biológica e nos usos nobres de suas águas. Neste trabalho, a qualidade da água na bacia do rio Doce foi avaliada através de um modelo hidrológico integrado a um SIG, denominado SGAG (Sistema Georeferenciado de Apoio ao Gerenciamento). O sistema foi capaz de analisar o efeito de lançamentos múltiplos de efluentes na qualidade da água do rio Doce no período de estiagem. O modelo foi calibrado satisfato

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35

Laganier, Olivier. "Un couplage de modèles hydrologique et hydraulique adapté à la modélisation et à la prévision des crues à cinétique rapide – Application au cas du bassin versant du Gardon (France)." Thesis, Saint-Etienne, EMSE, 2014. http://www.theses.fr/2014EMSE0749/document.

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Les bassins versants du pourtour méditerranéen français sont touchés par des pluies parfois intenses et à fort cumuls, qui peuvent engendrer des crues à cinétique rapide. Les derniers exemples majeurs en date sont ceux de l’Aude en 1999, du Gard en 2002 et du Var en 2010, dont les conséquences furent dramatiques. Ces travaux de thèse visent à évaluer une approche de modélisation complémentaire aux outils dont disposent déjà les Services de Prévision des Crues pour la prévision des crues à cinétique rapide : le couplage de modèles hydrologique et hydraulique, qui est a priori adapté pour la mod

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36

Fair, Kerry. "Developing a real time hydraulic model and a decision support tool for the operation of the Orange River." Thesis, 2002. http://hdl.handle.net/10413/4674.

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This thesis describes the development of a decision support tool to be used in the operation of Vanderkloof Dam on the Orange River so that the supply of water to the lower Orange River can be optimised. The decision support tool is based on a hydrodynamic model that was customised to incorporate real time data recorded at several points on the river. By incorporating these data into the model the simulated flows are corrected to the actual flow conditions recorded on the river, thereby generating a best estimate of flow conditions at any given time. This information is then used as the initia

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37

Oyebode, Oluwaseun Kunle. "Modelling streamflow response to hydro-climatic variables in the Upper Mkomazi River, South Africa." Thesis, 2014. http://hdl.handle.net/10321/1063.

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Submitted in fulfillment of the requirements of the Degree of Master of Technology: Civil Engineering, Durban University of Technology, 2014.<br>Streamflow modelling remains crucial to decision-making especially when it concerns planning and management of water resources systems in water-stressed regions. This study proposes a suitable method for streamflow modelling irrespective of the limited availability of historical datasets. Two data-driven modelling techniques were applied comparatively so as to achieve this aim. Genetic programming (GP), an evolutionary algorithm approach and a differe

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38

Yalcinkaya, Sedat. "Hydrologic modeling of the Pecos River basin below Red Bluff Reservoir." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-05-3131.

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The segment of the Pecos River that extends from Red Bluff Reservoir until it discharges to the Rio Grande/Bravo near Langtry was studied in this project. Hydrologic behavior of the basin was analyzed between 1981 and 2000, the first ten year period for calibration and the second ten year period for validation by using Water Evaluation and Planning Software (WEAP, SEI, 2006). Simulated streamflows were compared with naturalized streamflows (RJBCO, 2003) at two control points, one in the middle of the basin near Girvin and the other one is at the end of the basin near Langtry. The purpose of th

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39

Branstetter, Marcia Lynne 1963. "Development of a parallel river transport algorithm and applications to climate studies." 2001. http://hdl.handle.net/2152/10545.

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40

"GIS/RS-based integrated eco-hydrologic modeling in the East River basin, South China." Thesis, 2011. http://library.cuhk.edu.hk/record=b6075170.

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Finally, the newly integrated model was firstly applied to analyze the relationship of land use and hydrologic regimes based on the land use maps in 1980 and 2000. Then the newly integrated model was applied to simulate the potential impacts of land use change on hydrologic regimes in the East River Basin under a series of hypothetical scenarios. The results show that ET has a positive relationship with Leaf Area Index (LAI) while runoff has a negative relationship with LAI in the same climatic zone, which can be elaborated by surface energy balance and water balance equation. Specifically, on

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41

Mkwananzi, Nokuphumula. "Modelling flood inundation in the Mlazi river under uncertainty." Thesis, 2003. http://hdl.handle.net/10413/3767.

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The research project described in this dissertation studies the modelling techniques employed for the Mlazi River in the context of flood analysis and flood forecasting in order to model flood inundation. These techniques are applicable to an environment where there is uncertainty due to a lack of historical input data for calibration and validation purposes. This uncertainty is best explained by understanding the process and data required to model flood inundation. In order to model flood inundation in real time, forecasted flood flows would be required as input to a hydraulic river model use

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42

Rehana, Shaik. "Regional Hydrologic Impacts Of Climate Change." Thesis, 2012. http://etd.iisc.ernet.in/handle/2005/2544.

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Climate change could aggravate periodic and chronic shortfalls of water, particularly in arid and semi-arid areas of the world (IPCC, 2001). Climate change is likely to accelerate the global hydrological cycle, with increase in temperature, changes in precipitation patterns, and evapotranspiration affecting the water quantity and quality, water availability and demands. The various components of a surface water resources system affected by climate change may include the water availability, irrigation demands, water quality, hydropower generation, ground water recharge, soil moisture etc. It is

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43

Szabová, Martina. "Hydrologic modeling of the Tsitika River Watershed: an application of rainfall-runoff model construction, calibration and validation." Thesis, 2005. http://hdl.handle.net/1828/1897.

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A lumped conceptual rainfall-runoff model based on the MIKE 11/NAM modeling code has been applied to the 372 km2 Tsitika River Watershed. The model was constructed on the basis of readily accessible data of precipitation, temperature, land cover and topography, and was calibrated against the river discharge at the watershed outlet. Several validation tests were carried out and model performance evaluated in terms of the water balance error and the agreement of general hydrograph shape. Sensitivity analysis was conducted to explore the variability of simulation response produced by uncertainty

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Mashiyane, Thulasizwe Innocent. "Hydrological modelling under limited data availability : a case study of Umdloti River, South Africa." Thesis, 2016. http://hdl.handle.net/10321/1506.

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Submitted in fulfillment of the requirements for the degree of Master of Engineering, Department of Civil Engineering and Surveying, Durban University of Technology, Durban, South Africa, 2016.<br>Due to the water scarcity in South Africa, new strategies in management planning are needed in order to sustain water resources. The increase of population and economic growth in South Africa has a negative effect on the water resources. Therefore, it should be well managed. The main concerns of the sustainability of water resources are hydropower, irrigation for agriculture, domestic and industries.

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45

"Evaluation of CMIP5 historical simulations in the Colorado River Basin." Master's thesis, 2018. http://hdl.handle.net/2286/R.I.49105.

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abstract: The Colorado River Basin (CRB) is the primary source of water in the southwestern United States. A key step to reduce the uncertainty of future streamflow projections in the CRB is to evaluate the performance of historical simulations of General Circulation Models (GCMs). In this study, this challenge is addressed by evaluating the ability of nineteen GCMs from the Coupled Model Intercomparison Project Phase Five (CMIP5) and four nested Regional Climate Models (RCMs) in reproducing the statistical properties of the hydrologic cycle and temperature in the CRB. To capture the tra

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46

Arthur, Benjamin Bryan. "Testing the transfer of hydrologic model parameters across scales modeling the Emory River, Daddy's Creek, and Crooked Fork watersheds /." 2003. http://etd.utk.edu/2003/ArthurBenjamin.pdf.

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Thesis (M.S.)--University of Tennessee, Knoxville, 2003.<br>Title from title page screen (viewed Mar. 22, 2004). Thesis advisor: Carol P. Harden. Document formatted into pages (x, 149 p. : col. ill., col. maps). Vita. Includes bibliographical references (p. 72-78).

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47

Palamuleni, Lobina Getrude Chozenga. "Land cover change and hydrological regimes in the Shire River Catchment, Malawi." Thesis, 2010. http://hdl.handle.net/10210/3474.

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D.Phil.<br>Land cover changes associated with growing human populations and expected changes in climatic conditions are likely to accelerate alterations in hydrological phenomena and processes on various scales. Subsequently, these changes could significantly influence the quantity and quality of water resources for both nature and human society. Documenting the distribution of land cover types within the Shire River catchment is the foundation for applications in this study of the hydrology of the Shire catchment. The aim of this study is to investigate the relationships between the measured

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48

Hayes, Louise Frances. "Estimation of the hydrological response to invasive alien plants in the upper Blyde River catchment." 2003. http://hdl.handle.net/10413/3582.

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The change in total evaporation through alteration of vegetative cover is a major influence on catchment hydrology. The transformation of grassland and scrub habitats to commercial tree plantations, as well as the uncontrolled spread of invasive alien plants (lAPs) to ecologically sensitive systems, riparian zones in particular, are a threat to biodiversity and integrity of natural systems. Furthermore, critical low flow periods are of particular concern to water managers and local communities, as well as the associated impacts of potentially compromised water resources for rural livelihoods.

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49

King, Karen Nicole. "Linking the hydrological, geomorphological and sociological aspects of wetlands in rural areas : a case study based in the Craigieburn wetland microcatchment in the Sand River catchment." 2004. http://hdl.handle.net/10413/3584.

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In many of the rural areas of South Africa local communities rely on wetland resources for daily living. For a symbiotic relationship to exist between these communities and the wetlands, the wetlands must be utilised in a manner sustainable to both parties. To prevent exploitation thereof, a comprehensive understanding of the processes and functions of wetlands, of the values and needs of rural community members, and of the interactions between these entities is essential. This study focuses on research at three scales; the plot scale (10m\ the microcatchment scale (lkm2 ), represented by the

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Gray, Ryan Paul. "Techniques for assessing the impacts of wetlands on hydrological responses under varying climatic conditions." Thesis, 2011. http://hdl.handle.net/10413/8076.

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Wetlands are considered sensitive eco-tones that provide numerous goods and services, not only to the communities which are immediately dependent upon them, but also to the many downstream stakeholders who benefit from the hydrological influences that wetlands have on a catchment. The three main objectives of this study, the foci of which included an assessment of impacts of wetlands on catchment hydrological responses (viz. flood attenuation and streamflow regulation) in the Thukela catchment under varying geographical and climatic conditions, are: · A modification and validation of the ACRU

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