Funding for this research was provided by:
National Natural Science Foundation of China (41630423)
National Oceanic and Atmospheric Administration
National Science Foundation (AGS-1643297)
Natural Science Foundation of Jiangsu Province (No. BK20190781)
the LASG Open Project, and the Open Fund of State Key Laboratory of Loess and Quartary Geology (SKLLQG1802)
Article History
Received: 27 August 2019
Accepted: 29 July 2020
First Online: 14 August 2020