Articles | Volume 28, issue 18
https://doi.org/10.5194/hess-28-4263-2024
https://doi.org/10.5194/hess-28-4263-2024
Research article
 | 
18 Sep 2024
Research article |  | 18 Sep 2024

Changes in mean evapotranspiration dominate groundwater recharge in semi-arid regions

Tuvia Turkeltaub and Golan Bel

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Short summary
Future climate projections suggest that climate change will impact groundwater recharge, with its exact effects being uncertain due to incomplete understanding of rainfall, evapotranspiration, and recharge relations. We studied the effects of changes in the average, spread, and frequency of extreme events of rainfall and evapotranspiration on groundwater recharge. We found that increasing or decreasing the potential evaporation has the most dominant effect on groundwater recharge.