Estimation of groundwater recharge in a shallow sandy aquifer using unsaturated zone modeling and water table fluctuation method
Journal of Hydrology(2022)
摘要
•Two methods are combined to increase confidence in recharge estimation.•Natural fluctuations of groundwater table are reproduced in 1D numerical models.•Modified bottom boundary condition represents a relationship between head and flux.•Large variations of annual recharge follow the differences in annual precipitation.
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关键词
Groundwater recharge,Hydrus-1D,Water table fluctuation,Vadose zone flow
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