Funding for this research was provided by:
National Natural Science Foundation of China (11701267)
Natural Science Foundation of Hunan Province (2020JJ3029)
the Fundamental Research Funds for the Central Universities, China University of Geosciences (CUGST2)
the Fundamental Research Funds for the Central Universities (531118010205)
National Natural Science Foundation of China (11901182, 11871123)
Team Building Project for Graduate Tutors in Chongqing (JDDSTD201802)
Article History
Received: 12 September 2021
Accepted: 7 December 2021
First Online: 3 February 2022