1. Laboratory of Marine Environment and Resource Sensing; Graduate School of Fisheries Sciences; Hokkaido University; 3-1-1 Minato-cho Hakodate Hokkaido 041-8611 Japan
2. Regional Centre for Mapping of Resources for Development - SERVIR-Africa Kasarani Road; P.O. Box 632-00618 Ruaraka Nairobi Kenya
3. Data Research Center for Marine-Earth Sciences; Japan Agency for Marine Earth-Science and Technology (JAMSTEC); 3173-25 Showamachi, Kanazawa-Ward Yokohama City Kanagawa 236-0001 Japan
4. Oceanographic Research Department; Meteorological Research Institute; 1-1 Nagamine Tsukuba 305-0052 Japan
5. Graduate School of Science Division of Earth and Planetary Science; Kyoto University; Sakyo-Ward Kyoto 606-8502 Japan
6. Aomori Prefectural Industrial Technology Research Center; 4-11-6 Dainitonya-Machi Aomori-Shi Aomori 030-0113 Japan