Affiliation: | 1. State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, No.?19, Xinjiekouwai Street, Haidian District, Beijing, 100875, China 2. College of Resources Science and Technology, Beijing Normal University, No.?19, Xinjiekouwai Street, Haidian District, Beijing, 100875, China 3. College of Geography and Environment Science, Northwest Normal University, No.?967, Anning East Road, Lanzhou, 730070, China
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