1. College of Geomatics Xi'an University of Science and Technology Xi'an China
2. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Northwest A&F University Yangling China
3. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources Yangling China
4. Department of Hydrology and Water Resources Management Christian‐Albrechts‐Unversität Kiel, Ecology Centre Kiel Germany