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Title: Recharge estimation in semi-arid karst catchments: Central West Bank, Palestine
Other Titles: Abschätzung der Grundwasserneubildung in semiariden Karsteinzugsgebieten: zentrales Westjordanland, Palästina
Authors: Jebreen, Hassan 
Wohnlich, Stefan 
Wisotzky, Frank 
Banning, Andre 
Niedermayr, Andrea 
Ghanem, Marwan 
Keywords: Recharge rate - Palestine;Ground water - Palestine;Semi-arid areas - Palestine;Arid regions - Palestine;Central Western Catchment (CWC);Chloride-mass balance (CMB);Actual evapotranspiration (AET);Aquifer - Palestine
Issue Date: 2018
Publisher: Grundwasser
Abstract: Knowledge of groundwater recharge constitutes a valuable tool for sustainable management in karst systems. In this respect, a quantitative evaluation of groundwater recharge can be considered a pre-requisite for the optimal operation of groundwater resources systems, particular for semi-arid areas. This paper demonstrates the processes affecting recharge in Palestine aquifers. The Central Western Catchment is one of the main water supply sources in the West Bank. Quantification of potential recharge rates are estimated using chloride mass balance (CMB) and empirical recharge equations over the catchment. The results showing the spatialized recharge rate, which ranges from 111–216 mm/year, representing 19–37% of the long-term mean annual rainfall. Using Water Balance models and climatological data (e. g. solar radiation, monthly temperature, average monthly relative humidity and precipitation), actual evapotranspiration (AET) is estimated. The mean annual actual evapotranspiration was about 66–70% of precipitation.
DOI: 10.1007/s00767-017-0376-x
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