About KAWAI HIROYASU
About 自然災害科学
About port (harbor)
About storm surge
About information network
About oceanographic phenomena
About monitoring
About Ministry of Land,Infrastructure and Transport
About NOWPHAS
About 全国港湾海洋波浪情報網
About Natural disasters
About Ocean waves,tidal current
About 全国港湾海洋波浪情報網
About NOWPHAS
About 海象
About モニタリング