1. State Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau, Institute of Soil and Water ConservationChinese Academy of Sciences & Ministry of Water Resources Yangling China
2. University of Chinese Academy of Sciences Beijing China
3. Institute of Soil and Water ConservationNorthwest A&F University Yangling China
4. Upper and Middle Yellow River BureauYellow River Conservancy Commission of the Ministry of Water Resources Xi'an China
5. School of Geographical SciencesSouthwest University Chongqing China