About ABE Motohisa
About Hokkaido Univ.
About SHIMIZU Shuji
About Japan Aerospace Exploration Agency(JAXA)
About SHIRAKUMA Ryohei
About MLIT
About TAZAWA Kengo
About Aomori Prefectural Government
About YAMAGATA Souichi
About National Inst. Land and Infrastructure Management(NILIM)
About TAKAHASHI Hironao
About Waterfront Vitalization and Environment Res. Foundation(WAVE)
About Proceedings of the International Symposium on Okhotsk Sea & Polar Oceans
About route (air transportation)
About Arctic Ocean
About marine navigation
About ship
About satellite image
About identification system
About Northern Sea Route
About Automatic Identification System
About AIS
About 東シベリア海
About Navigation and practical business
About 衛星データ
About 北極海航路
About AIS
About 傾向
About 分析
About 視点