1. Macro Agriculture Research Institute, College of Resources and Environment, Huazhong Agricultural University, Wuhan, China
2. Key Laboratory for Geographical Process Analysis and Simulation of Hubei Province/College of Urban and Environmental Sciences, Central China Normal University, Wuhan, China
3. State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Aerospace Information Research Institute, Chinese Academy of Sciences and Beijing Normal University, Beijing, China
4. State Key Laboratory of Remote Sensing Science, Beijing Key Laboratory for Remote Sensing of Environment and Digital Cities, Institute of Remote Sensing Science and Engineering, Faculty of Geography Science, Beijing Normal University, Beijing, China
5. Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, China
6. Desertification Research Centre, Spanish National Research Council, CIDE-CSIC, Valencia, Spain