[1] College of Urban and Environmental Sciences, Northwest University, Shaanxi Province, Xi'an,710127, China
[2] Shaanxi Key Laboratory of Earth Surface System and Environmental Carrying Capacity, Shaanxi Province, Xi'an,710127, China
[3] Institute of Geographic Sciences and Natural Resources Research, CAS, and Key Laboratory of Land Surface Patterns and Simulation, CAS, Beijing,100101, China
[4] University of Chinese Academy of Sciences, Beijing,101407, China
[5] School of Economics and Management, Zhejiang Ocean University, Zhoushan,316022, China
[6] Qinghai University, Qinghai, Xining,810016, China