基金supported by the Key Research and Development Program of Shaanxi Province (2020SF-425)the Open Research Fund of State Key Laboratory of Loess and Quaternary Geology,Institute of Earth Environment,CAS(SKLLQG1623)+1 种基金the Open Research Fund of Key Laboratory of Subsurface of Hydrology and Ecological Effect in Arid Region (Chang’an University),Ministry of Education(300102299507)the Natural Science Basic Research Program of Shaanxi (2021JQ-791)。
