Li, Xiaojun
Hu, Chenzhi
Li, Fengyan
Gao, Hongling
Funding for this research was provided by:
State key Laboratory of Loess and Quatemary Geology (SKLLQG1612)
Key Laboratory for Geo-hazards in Loess area, MLR (KLGLAMLR201504)
Article History
Received: 21 May 2020
Accepted: 18 November 2020
First Online: 9 December 2020
Competing interests
: The authors declare no competing interests.