1. Kitami Institute of Technology; Kohen-cho 165; Kitami City; 090-8507; Japan
2. Meteorological Research Institute; 1-1 Nagamine; Tsukuba city; Ibaraki; 305-0052; Japan
3. National Institute for Land and Infrastructure Management; 3-1-1 Nagase; Yokosuka; Kanagawa; 239-0826; Japan