Annika Nolte
Universität Hamburg
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ABSTRACT:
We present the results of a semi-distributed hydrological modeling approach that incorporates water balance routines coupled with baseflow modeling techniques for assessing spatio-temporal variations of groundwater recharge on a regional scale. The study area is the Amathole Water Supply System situated in a semi-arid part of the Eastern Cape of South Africa. Dependent on the sub-catchment, the mean annual groundwater recharge is estimated to vary between ~0.5 to 8 % of annual rainfall. Annual groundwater recharge exhibits a high spatio-temporal heterogeneity.
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Created: Feb. 20, 2021, 10:44 a.m.
Authors: Nolte, Annika · Eley, Malte · Schöniger, Matthias · Gwapedza, David · Tanner, Jane · Mantel, Sukhmani Kaur · Scheihing, Konstantin
ABSTRACT:
We present the results of a semi-distributed hydrological modeling approach that incorporates water balance routines coupled with baseflow modeling techniques for assessing spatio-temporal variations of groundwater recharge on a regional scale. The study area is the Amathole Water Supply System situated in a semi-arid part of the Eastern Cape of South Africa. Dependent on the sub-catchment, the mean annual groundwater recharge is estimated to vary between ~0.5 to 8 % of annual rainfall. Annual groundwater recharge exhibits a high spatio-temporal heterogeneity.