About KOIZUMI Itaru
About Hokkaido Univ.
About SAKAMOTO Tatsuhiko
About Japan Agency for Marine-Earth Sci. and Technol. (JAMSTEC)
About JAMSTEC Report of Research and Development
About Pliocene Epoch
About interglacial period
About air-sea interaction
About transport phenomenon
About heat quantity
About Northwest Pacific Ocean
About Japan Trench
About plant fossil
About abyssal sediment
About Bacillariophyta
About algae
About Cryptogamae
About Bacillariophyceae
About Marine geology
About Structure and dynamics of ocean,circulation
About 日本
About 深海底
About 異地性
About 珪藻類