Funding for this research was provided by:
Department of Science and Technology of Sichuan Province (2016HH0074, 2017SZ0185)
Education Department of Sichuan Province (16ZA0084)
Chengdu Science and Technology Bureau (2015-HM01-00362-SF)
State Key Laboratory of Geohazard Prevention and Geoenvironment Protection Independent Research Project (SKLGP2016Z004)
National Natural Science Foundation of China (21372034)
Article History
Received: 2 April 2018
Accepted: 19 October 2018
First Online: 27 October 2018