1. Chinese Research Academy of Environmental Sciences, Beijing 100012, China
2. Shandong Yucheng Agro-Ecosystem National Observation and Research Station, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
3. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
4. State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China
5. College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
6. Department of Civil & Environmental Engineering, College of Engineering, Florida A&M University—Florida State University, Tallahassee, FL 32310, USA