1. Institute of Soil Science; Chinese Academy of Sciences; Nanjing; China
2. Institute for the Study of Earth, Oceans, and Space; University of New Hampshire; Durham; New Hampshire; USA
3. Department of Urban and Resource Sciences; Nanjing University; Nanjing; China
4. Southeast Asia START Regional Centre; Chulalongkorn University; Bangkok; Thailand
5. U.S. Department of Agriculture/Agricultural Research Service; Fort Collins; Colorado; USA
6. Institute for Meteorology and Climate Research (IMK-IFU), Forschungszentrum Karlsruhe; Garmisch-Partenkirchen; Germany
7. National Institute for Agro-Environmental Sciences; Kannondai, Tsukuba; Japan