Characterizing uncertainty in process-based hydraulic modeling, exemplified in a semiarid Inner Mongolia steppe

• Published in: Geoderma Vol. 440; p. 116713
• Main Authors: Zhao, Ying, Wang, Haixia, Song, Bing, Xue, Pengfei, Zhang, Wangchen, Peth, Stephan, Lee Hill, Robert, Horn, Rainer
• Format: Journal Article
• Language: English
• Published: Elsevier 01.12.2023
• Subjects: China; evaporation; Evapotranspiration; hydrologic models; land use change; leaf area index; pastures; root growth; Root water uptake; Soil moisture simulation; soil separates; soil water; soil water movement; steppes; uncertainty; Uncertainty analysis; Unsaturated hydraulic conductivity; water uptake; China

Assessing root sources of three uncertainties – parameterization of soil hydraulic characteristics, boundary conditions, and estimation of source/sink terms – is a significant challenge in soil water transport modeling. This study aims to evaluate the uncertainty of three each widely-used parameter...