1. 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 Resource Yangling PR China
2. Institute of Soil and Water Conservation Northwest A&F University Yangling PR China
3. University of Chinese Academy of Sciences Beijing PR China
4. Escuela Técnica Superior Ingenieros Agrónomos y Montes Universidad de Castilla‐La Mancha Albacete Spain
5. School of Earth Atmosphere and Environment Monash University Melbourne Victoria Australia
6. CAS Center for Excellence in Quaternary Science and Global Change Xi'an China