1. Center for Environmental Remote Sensing, Chiba University, Chiba, Japan
2. Global Monitoring Laboratory, National Oceanic & Atmospheric Administration (NOAA), Colorado, USA
3. Cooperative Institute for Research in Environmental Sciences, University of Colorado, Colorado, USA
4. Earth System Division, National Institute for Environmental Studies, Tsukuba, Japan
5. Scripps Institution of Oceanography, University of California, California, USA
6. CSIRO Oceans and Atmosphere, Australia
7. Massachusetts Institute of Technology, Massachusetts, USA
8. School of Chemistry, University of Bristol, UK
9. Atmospheric & Oceanic Sciences, University of California, California, USA
10. Institute of Arctic and Alpine Research, University of Colorado, Colorado, USA
11. Unisystems Information Technologies, Belgium
12. National Institute of Meteorological Sciences, South Korea
13. Climate and Space Sciences and Engineering, University of Michigan, Michigan, USA
14. Research Institute for Global Change, JAMSTEC, Yokohama, Japan