Modified method for the estimation of groundwater evapotranspiration under very shallow water table conditions based on diurnal water table fluctuations

Modified method for the estimation of groundwater evapotranspiration under very shallow water table conditions based on diurnal water table fluctuations

•The traditional White method significantly underestimates groundwater ET.•A modified method is developed under a very shallow water table condition.•The modified method has been successfully applied to a field case. Groundwater evapotranspiration (ETG) is often estimated using the White method from...

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Veröffentlicht in:Journal of hydrology (Amsterdam) 2021-06, Vol.597, p.126193, Article 126193
Hauptverfasser: Jia, Wuhui, Yin, Lihe, Zhang, Maosheng, Zhang, Jun, Zhang, Xinxin, Gu, Xiaofan, Dong, Jiaqiu
Format: Artikel
Sprache:eng
Schlagworte:
ET-induced soil water depletion
Groundwater evapotranspiration
Groundwater replenishment
Water table fluctuation
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Zusammenfassung:•The traditional White method significantly underestimates groundwater ET.•A modified method is developed under a very shallow water table condition.•The modified method has been successfully applied to a field case. Groundwater evapotranspiration (ETG) is often estimated using the White method from diurnal water table fluctuations. However, under very shallow water table conditions (
ISSN:0022-1694
1879-2707
DOI:10.1016/j.jhydrol.2021.126193