作者单位:Liu changming(CAS Key Laboratory of Water Cycle and Related Land Surface Processes Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing 100101 ;College of Water Sciences Beijing Normal University Beijing 100875)刘昌明(中国科学院地理科学与资源研究所 陆地水循环及地表过程重点实验室 北京 100101;北京师范大学水科学研究院 北京 100875)Hu Shanshan(CAS Key Laboratory of Water Cycle and Related Land Surface Processes Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing 100101 ;Graduate University of Chinese Academy of Sciences Beijing 100049)胡珊珊(中国科学院地理科学与资源研究所 陆地水循环及地表过程重点实验室 北京 100101;中国科学院研究生院 北京 100049)