1. LREIS, Institute of Geographic Sciences and Natural Resources Research; Chinese Academy of Sciences; Beijing China
2. INRA-EMMAH UMR 1114; Avignon France
3. Department of Geography; University of Toronto; Toronto Ontario Canada
4. Departament de Física de la Terra i Termodinàmica, Facultat de Física; Universitat de València; Burjassot Spain
5. College of Global Change and Earth System Science; Beijing Normal University; Beijing China
6. Department of Geographical Sciences; University of Maryland; College Park Maryland USA
7. Institute of Geographic Sciences and Natural Resources Research; Chinese Academy of Sciences; Beijing China
8. Department of Earth and Environment; Boston University; Boston Massachusetts USA
9. Global Environment Monitoring Unit, Institute for Environment and Sustainability, DG Joint Research Centre; European Commission; Ispra Italy
10. State Key Laboratory of Remote Sensing Science, School of Geography; Beijing Normal University; Beijing China