1. Institute of Soil and Water Conservation Northwest A & F University Yangling PR China
2. Engineering department Shaanxi Lvtuo Eco‐environment Engineering Co., Ltd Yangling PR China
3. Department of Environmental Science and Technology University of Maryland College Park Maryland USA
4. Institute of Soil and Water Conservation Chinese Academy of Sciences and Ministry of Water Resources Yangling PR China
5. Urban rural development & environmental protection engineering div Northwest Engineering Corporation Limited of Power China Xi'an PR China