1. Graduate School of Communication Engineering and Informatics The University of Electro‐Communications Chofu Japan
2. National Institute of Polar Research Tachikawa Japan
3. Department of Polar Science School of Multidisciplinary Sciences SOKENDAI The Graduate University for Advanced Studies Tachikawa Japan
4. Institute for Space‐Earth Environmental Research Nagoya University Nagoya Japan
5. Graduate School of Natural Science and Technology Kanazawa University Kanazawa Japan
6. Research Institute for Sustainable Humanosphere Kyoto University Kyoto Japan