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Developing a GIS and Hydrological Modeling Approach for Sustainable Water Resources Management in the West Bank--Palestine

Walid W. Sabbah

出版	Brigham Young University. Department of Civil and Environmental Engineering, 2004
URL	http://books.google.com.hk/books?id=mIXYtgAACAAJ&hl=&source=gbs_api

註釋

To evaluate the water balance component, a methodology was introduced to create the Water Sustainability Map (WSM). Since the groundwater is currently the only accessible water source by the Palestinians, the WSM is represented by the Aquifer Sustainable Yield (ASY) which is equivalent to the annual renewable recharge of the various aquifer formations in the West Bank. The ASY was determined by integrating the watershed boundaries derived from the Digital Elevation Model (DEM) with the available hydrological and meteorological data by using GIS. This GIS based approach was used to create the rainfall, evapo-transpiration, and runoff coverages by interpolating their values from the measured parameters. The total estimated ASY using this GIS approach was 679.7 MCM/Yr. which constituted the upper limit for the overall water use in all assumed future water demand scenarios.