Funding for this research was provided by:
National Key R&D Program of China (2017YFC1502502)
National Key R&D Program of China (2017YFC1502506)
135 Strategic Program of the Institute of Mountain Hazards and Environment, CAS (No.SDS-135-1701)
Youth Innovation Promotion Association of the Chinese Academy of Sciences (2018405)
National Natural Science Foundation of China (41372331)
National Natural Science Foundation of China (51679229)
National Natural Science Foundation of China (41672318)
Article History
Received: 26 October 2017
Accepted: 13 June 2018
First Online: 15 August 2018