The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Naohiko Ohkouchi sits on this spectrum.
This scientist: 427 publications — 95th percentile
95% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 687 publications or more.
The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Naohiko Ohkouchi sits on this spectrum.
This scientist: 62 D-Index — 74th percentile
74% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 125 D-Index or more.
Naohiko Ohkouchi is affiliated with the Japan Agency for Marine-Earth Science and Technology in Japan. Their research spans several main fields including Environmental Science and Earth and Planetary Sciences, with significant contributions also in subfields such as Ecology, Atmospheric Science, Oceanography, Astronomy and Astrophysics, and Global and Planetary Change.
The scientist's work focuses on key topics including Isotope Analysis in Ecology, Geology and Paleoclimatology Research, Marine and Coastal Ecosystems, Astro and Planetary Science, Marine Biology and Ecology Research, Methane Hydrates and Related Phenomena, as well as Geochemistry and Elemental Analysis.
Recent papers authored or coauthored by Naohiko Ohkouchi include:
Naohiko Ohkouchi has collaborated extensively with several frequent co-authors, including:
The scientist's publications appear regularly in journals and venues such as:
Yoshito Chikaraishi;Nanako O. Ogawa;Yuichiro Kashiyama;Yoshinori Takano
Fumio Inagaki;Kai-Uwe Hinrichs;Y Kubo;M W Bowles
Yoshito Chikaraishi;Yuichiro Kashiyama;Nanako O. Ogawa;Hiroshi Kitazato
Naohiko Ohkouchi;Yoshito Chikaraishi;Yoshito Chikaraishi;Hilary G. Close;Brian Fry
Maria Luisa G. Tejada;Maria Luisa G. Tejada;Katsuhiko Suzuki;Junichiro Kuroda;Rodolfo Coccioni
Nao Ohkouchi;Timothy I. Eglinton;Lloyd D. Keigwin;John M. Hayes
Unknown
Yoshihiro Furukawa;Yoshito Chikaraishi;Yoshito Chikaraishi;Naohiko Ohkouchi;Nanako O. Ogawa
Yoshito Chikaraishi;Shawn A. Steffan;Nanako O. Ogawa;Naoto F. Ishikawa
Junichiro Kuroda;Nanako O. Ogawa;Masaharu Tanimizu;Millard F. Coffin
Takuro Nunoura;Yoshito Chikaraishi;Yoshito Chikaraishi;Rikihisa Izaki;Takashi Suwa
Ichiro Tayasu;Riyo Hirasawa;Nanako O. Ogawa;Naohiko Ohkouchi
Yaeko Suzuki;Yoshito Chikaraishi;Nanako O. Ogawa;Naohiko Ohkouchi
Shawn A. Steffan;Yoshito Chikaraishi;Cameron R. Currie;Heidi Horn
Gesine Mollenhauer;Timothy I Eglinton;Naohiko Ohkouchi;Ralph R Schneider
Sunita R. Shah;Gesine Mollenhauer;Naohiko Ohkouchi;Timothy I. Eglinton
Yoshito Chikaraishi;Nanako O. Ogawa;Hideyuki Doi;Naohiko Ohkouchi
Hidetaka Nomaki;Petra Heinz;Takeshi Nakatsuka;Motohiro Shimanaga
Yusuke Yokoyama;Yusuke Yokoyama;John B. Anderson;Masako Yamane;Masako Yamane;Lauren M. Simkins
Naohiko Ohkouchi;Nanako O Ogawa;Yoshito Chikaraishi;Hiroyuki Tanaka
Sakae Toyoda;Midori Yano;Sei-ichi Nishimura;Hiroko Akiyama
Yoshinori Takano;Yoshito Chikaraishi;Nanako O. Ogawa;Hidetaka Nomaki
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