InstituteofMountainHazardsandEnvironment;
ChineseAcademyofSciences;
Chengdu610041;
Sichuan;
China;
InstituteofMountainHazardsandEnvironment;
ChineseAcademyofSciences;
Chengdu610041;
Sichuan;
China//WSI.;
SwissFederalInstituteforForest;
SnowandLandscapeResearch;
CH-8903Birmensdorf;
Switzerland;