Ichiro Yasuda, University of Tokyo, Bunkyo-ku, Japan, Shuhei Masuda, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, Jun Nishioka, Hokkaido University, Institute of low temperature science, Sapporo, Japan, Xinyu Guo, CMES, Ehime University, Matsuyama, Japan, Naomi Harada, Japan Agency for Marine-Earth Science & Technology, Yokosuka, Japan, Shin-ichi Ito, Tohoku National Fisheries Reseach Institute, Shiogama, Japan, Toshiyuki Hibiya, Univ Tokyo, Tokyo, Japan, Hiroyasu Hasumi, Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan, Yutaka Yoshikawa, Kyoto University Rigakubu, Kyoto, Japan, Hajime Obata, Univ Tokyo, Kashiwa, Japan and Hiroaki Tatebe, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Research Center for Environmental Modeling and Application, Yokohama, Japan