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Registro completo
Provedor de dados:  AgEcon
País:  United States
Título:  Evaluation of historic, current and future water demand in the Olifants River Catchment, South Africa
Autores:  McCartney, Matthew P.
Arranz, Roberto
Data:  2010-04-30
Ano:  2007
Palavras-chave:  River basins
Catchment areas
Water resources development
Water demand
Water allocation
Simulation models
Water use
Irrigation water
Domestic water
South Africa
Olifants River Catchment
Agricultural and Food Policy
Community/Rural/Urban Development
Crop Production/Industries
Demand and Price Analysis
Environmental Economics and Policy
Farm Management
Labor and Human Capital
Land Economics/Use
Production Economics
Productivity Analysis
Research and Development/Tech Change/Emerging Technologies
Resumo:  Water resource development has played a significant role in the expansion of agriculture and industry in the Olifants River Catchment. However, currently water deficit is one of the major constraints hampering development in the catchment; both the mining and agricultural sectors are producing below optimal levels because of their reliance on insufficient supplies. In this study, the Water Evaluation and Planning (WEAP) model was used to evaluate scenarios of historic, current and future water demand in the catchment. For each scenario, the WEAP model was used to simulate demand in five different sectors (rural, urban, mining, commercial forestry and irrigation) over a 70-year period of varying rainfall and hydrology. Levels of assured supply were estimated for each sector and the economic cost of failing to provide water was predicted. For the future scenarios, the impact of infrastructure development and water conservation measures were assessed. The study illustrates how a relatively simple model can provide useful insight for resource planning and management.
Tipo:  Report
Idioma:  Inglês
Relação:  International Water Management Institute>IWMI Research Reports
IWMI Research Report
Formato:  42p.

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