Modelling groundwater recharge, actual evaporation, and transpiration in semi-arid sites of the Lake Chad basin: the role of soil and vegetation in groundwater recharge
Christoph Neukum,Angela Morales-Santos,Melanie Ronelngar,Aminu Bala,and Sara Vassolo
Department of Water, Atmosphere and Environment, Institute of Soil Physics and Rural Water Management, University of Natural Resources and Life Sciences, Muthgasse 18, 1190 Vienna, Austria
Melanie Ronelngar
Federal Institute for Geosciences and Natural Resources at Lake Chad Basin Commission, Rond Point des Armes, Ndjamena, Chad
Aminu Bala
Lake Chad Basin Commission, Rond Point des Armes, Ndjamena, Chad
Sara Vassolo
Federal Institute for Geosciences and Natural Resources, Department
of Groundwater and Soil, Stilleweg 2, 30655 Hanover, Germany
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Total article views: 3,099 (including HTML, PDF, and XML)
Thereof 2,992 with geography defined
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Total article views: 2,179 (including HTML, PDF, and XML)
Thereof 2,108 with geography defined
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Total article views: 920 (including HTML, PDF, and XML)
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A generalized approach that requires limited field data and well-established models is tested for assessing groundwater recharge in the southern Lake Chad basin. E and T coefficients are estimated with the FAO-dual Kc concept at six locations. Measured soil water content and chloride concentrations along vertical soil profiles together with different scenarios for E and T partitioning and a Bayesian calibration approach are used to simulate water flow and chloride transport using Hydrus-1D.
A generalized approach that requires limited field data and well-established models is tested...
