1. The Global Change Research Institute; College of Life Science; Nanjing University; Nanjing Jiangsu China
2. Department of Geography; the University of Toronto; Toronto ON Canada
3. The Center for Global Change & Earth Observations; Michigan State University; East Lansing MI USA
4. Department of Environmental Sciences; Faculty of Agricultural and Environment; the University of Sydney; Sydney NSW Australia
5. NOAA National Climatic Data Center (NCDC); Asheville NC USA