Articles | Volume 24, issue 8
https://doi.org/10.5194/hess-24-4213-2020
https://doi.org/10.5194/hess-24-4213-2020
Research article
 | 
28 Aug 2020
Research article |  | 28 Aug 2020

A field-validated surrogate crop model for predicting root-zone moisture and salt content in regions with shallow groundwater

Zhongyi Liu, Zailin Huo, Chaozi Wang, Limin Zhang, Xianghao Wang, Guanhua Huang, Xu Xu, and Tammo Siert Steenhuis

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Latest update: 22 Apr 2024
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Short summary
We have developed an integrated surrogate model for arid irrigated areas with shallow groundwater that links crop growth with soil water and salinity in the vadose zone. The model recognizes that field capacity is reached when the matric potential is equal to the height above the groundwater table. The model applies areas with shallow groundwater for which only very few surrogate models are available for most surface irrigation systems in the world without suffering from high groundwater.