School of Geography, Beijing Normal University, Beijing 100875, China;
Key Laboratory of Regional Geography, Beijing Normal University, Beijing 100875, China;
School of Geography, Beijing Normal University, Beijing 100875, China;
Key Laboratory of Regional Geography, Beijing Normal University, Beijing 100875, China;
School of Geography, Beijing Normal University, Beijing 100875, China;
Key Laboratory of Regional Geography, Beijing Normal University, Beijing 100875, China;
Key Laboratory of Environment Change and Natural Disaster, Ministry of Education of China, Beijing;