1. Department of Physics, Faculty of Science Division I Tokyo University of Science Tokyo Japan
2. National Institute of Polar Research Tachikawa Japan
3. The Graduate University for Advanced Studies Hayama Japan
4. Meteorological Research Institute Tsukuba Japan
5. Department of Earth and Planetary Science, Graduate School of Science The University of Tokyo Tokyo Japan
6. Finnish Environment Institute Helsinki Finland
7. Institute for Space–Earth Environmental Research Nagoya University Nagoya Japan
8. Institute for Advanced Research Nagoya University Nagoya Japan
9. Department of Earth and Space Sciences Indian Institute of Space Science and Technology Thiruvananthapuram India
10. Department of Earth System Science, Faculty of Sustainable Design University of Toyama Toyama Japan
11. Graduate School of Natural Science and Technology Okayama University Okayama Japan
12. WSL Institute for Snow and Avalanche Research Davos Dorf Switzerland
13. Snow and Ice Research Center Nagaoka Japan
14. Research Institute for Humanity and Nature Kyoto Japan
15. Melnikov's Permafrost Institute Yakutsk Russia
16. Institute of Low Temperature Science Hokkaido University Sapporo Japan
17. Civil Engineering Research Institute for Cold Region Sapporo Japan
18. Graduate School of Environmental Science Hokkaido University Sapporo Japan