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Dive into the research topics where Kensaku Okamura is active.

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Featured researches published by Kensaku Okamura.


Archive | 2004

Geochemistry of Hydrothermal Fluids in South Mariana Backarc Spreading Center

Jun-ichiro Ishibashi; Toshiro Yamanaka; Hiroshi Kimura; Akihiko Hirota; Tomohiro Toki; Urumu Tsunogai; Toshitaka Gamo; Motoo Utsumi; Kevin K. Roe; Shigeki Miyabe; Kensaku Okamura


europe oceans | 2005

Underwater volcano observation by autonomous underwater vehicle "r2D4"

K. Nasahashi; Tamaki Ura; Akira Asada; Takashi Obara; Takashi Sakamaki; Kangsoo Kim; Kensaku Okamura


Archive | 2004

In Situ Observations of Dissolved Manganese in Hydrothermal Vent Plumes at Mariana Trough.

Kensaku Okamura; K. Yanai; Yoshiki Sohrin; Jun-ichiro Ishibashi; Masaharu Watanabe; Tamaki Ura


Archive | 2002

Concentration of Biologically Important Chemical Species in Hydrothermal Fluids from Submarine Arc Volcano Suiyo Seamount

Jun-ichiro Ishibashi; Yukiko Morimoto; Yudai Umeki; Fumihide Kozuma; Tomohiro Toki; Urumu Tsunogai; Katsuhiro Nanba; Motoo Utsumi; Toshiro Yamanaka; Kensaku Okamura


Archive | 2008

Unique shallow-water hydrothermal system associated with submarine volcanism in the Aira caldera, South Kyushu, Japan

Toshiro Yamanaka; K. Maeto; H. Akashi; Meiso Yokoyama; Jun-ichiro Ishibashi; Miwako Nakaseama; Kensaku Okamura; Taiki Sugiyama; Keiko Fujino; Hiroshi Kimura; Chitoshi Mizota


Archive | 2002

Periodic sampling of diffuse flow to monitor chemical fluctuation

Akira Nakano; Kensaku Okamura; Jun-ichiro Ishibashi


Archive | 2010

Macrofaunal communites at newly discovered hydrothermal fields in Central Indian Ridge

Junichi Miyazaki; Ken Takai; Keikichi G. Nakamura; Hiroshi Watanabe; Takashi Noguchi; Takanobu Matsuzaki; Tomoro Watsuji; Shinichi Nemoto; Shinsuke Kawagucci; Tetsuo Shibuya; Kensaku Okamura; Masamitsu Mochizuki; Yuji Orihashi; Daniel P. Marie; Meera Koonjul; Munindar P. Singh; Girish Beedessee; M. Bhikajee; Kinya Tamaki


Archive | 2007

Discovery of hydrothermal plumes at the Rodoriguez segment, Mid-Indian Ridge

Kensaku Okamura; Toshitaka Gamo; Kimiyasu Kiyota; Shinsuke Kawagucci; Dianne Connelly; C. Boulart; A. Poonyth; Tamaki Ura; Tetsuo Sakamaki; Kenji Nagahashi; Kinya Tamaki


Archive | 2007

Acive shallow-water submarine hydrothermal venting and occurence of chimney-like mineral deposits from Northern Kagoshima Bay, South Kyushu, Japan

Toshiro Yamanaka; Jun-ichiro Ishibashi; K. Maeto; Miwako Nakaseama; Kensaku Okamura; Taiki Sugiyama; Keiko Fujino; Hiroshi Kimura


Archive | 2005

Hydrothermal plumes at the Myojinsho submarine caldera, the Shicito-Iwojima Ridge, Izu-Bonin Arc

Kensaku Okamura; Tomohiro Toki; Sang-Ho Kim; Tamaki Ura; Kinya Tamaki; Kenji Nagahashi

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Tamaki Ura

Kyushu Institute of Technology

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Tomohiro Toki

University of the Ryukyus

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Shinsuke Kawagucci

Japan Agency for Marine-Earth Science and Technology

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