Funding for this research was provided by:
Sichuan Philosophy and Social Science Planning Project (SC18B095)
National Natural Science Foundation of China (41771194)
Youth Talent Team Program of the Institute of Mountain Hazards and Environment (SDSQB-2015-01)
Science and Technology Service Network Initiative (KFJ-STS-QYZD-060)
MOE Layout Foundation of Humanities and Social Sciences (18XJA630005)
Article History
Received: 6 May 2019
Accepted: 2 July 2020
First Online: 15 July 2020