Progress in Earth and Planetary Science

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5. Biogeosciences

We are currently in the process of adding articles to the Biogeosciences section page. In the meantime, the full list of articles in this section can be found here.

  1. Research article

    High-resolution mapping and time-series measurements of 222Rn concentrations and biogeochemical properties related to submarine groundwater discharge along the coast of Obama Bay, a semi-enclosed sea in Japan

    High-resolution mapping along the coast and time-series measurements of the radon-222 (222Rn) concentrations in the shallow zone in a semi-enclosed sea, Obama Bay, Japan, were undertaken in 2013. The temporal and...

    Shiho Kobayashi, Ryo Sugimoto, Hisami Honda, Yoji Miyata, Daisuke Tahara, Osamu Tominaga, Jun Shoji, Makoto Yamada, Satoshi Nakada and Makoto Taniguchi

    Progress in Earth and Planetary Science 2017 4:6

    Published on: 24 March 2017

  3. Research article

    Reactions between komatiite and CO2-rich seawater at 250 and 350 °C, 500 bars: implications for hydrogen generation in the Hadean seafloor hydrothermal system

    To understand the chemical nature of hydrothermal fluids in the komatiite-hosted seafloor hydrothermal system in the Hadean, we conducted two hydrothermal serpentinization experiments involving synthetic komat...

    Hisahiro Ueda, Takazo Shibuya, Yusuke Sawaki, Masafumi Saitoh, Ken Takai and Shigenori Maruyama

    Progress in Earth and Planetary Science 2016 3:35

    Published on: 18 November 2016

  4. Research article

    Hydrogen and carbon isotope systematics in hydrogenotrophic methanogenesis under H2-limited and H2-enriched conditions: implications for the origin of methane and its isotopic diagnosis

    Hydrogen and carbon isotope systematics of H2O–H2–CO2–CH4 in hydrogenotrophic methanogenesis and their relation to H2 availability were investigated. Two H2-syntrophic cocultures of fermentatively hydrogenogenic ...

    Tomoyo Okumura, Shinsuke Kawagucci, Yayoi Saito, Yohei Matsui, Ken Takai and Hiroyuki Imachi

    Progress in Earth and Planetary Science 2016 3:14

    Published on: 12 May 2016

  5. Research article

    Examination of the largest-possible tsunamis (Level 2) generated along the Nankai and Suruga troughs during the past 4000 years based on studies of tsunami deposits from the 2011 Tohoku-oki tsunami

    Japanese historical documents reveal that Mw 8 class earthquakes have occurred every 100–150 years along the Suruga and Nankai troughs since the 684 Hakuho earthquake. These earthquakes have commonly caused la...

    Akihisa Kitamura

    Progress in Earth and Planetary Science 2016 3:12

    Published on: 12 May 2016

  6. Research article

    Hydrogen-rich hydrothermal environments in the Hadean ocean inferred from serpentinization of komatiites at 300 °C and 500 bar

    Serpentinization of Al-depleted and Al-undepleted komatiites (and olivine for comparison) was experimentally characterized under high-temperature and high-pressure conditions of 300 °C and 500 bar to evaluate ...

    Takazo Shibuya, Motoko Yoshizaki, Masahiko Sato, Kenji Shimizu, Kentaro Nakamura, Soichi Omori, Katsuhiko Suzuki, Ken Takai, Hideo Tsunakawa and Shigenori Maruyama

    Progress in Earth and Planetary Science 2015 2:46

    Published on: 21 December 2015

  7. Research article

    Authigenic carbonate precipitation at the end-Guadalupian (Middle Permian) in China: Implications for the carbon cycle in ancient anoxic oceans

    Carbonate precipitation is a major process in the global carbon cycle. It was recently proposed that authigenic carbonate (carbonate precipitated in situ at the sediment–water interface and/or within the sedim...

    Masafumi Saitoh, Yuichiro Ueno, Yukio Isozaki, Takazo Shibuya, Jianxin Yao, Zhansheng Ji, Katsumi Shozugawa, Motoyuki Matsuo and Naohiro Yoshida

    Progress in Earth and Planetary Science 2015 2:41

    Published on: 20 November 2015

  8. Review

    Theoretical constraints of physical and chemical properties of hydrothermal fluids on variations in chemolithotrophic microbial communities in seafloor hydrothermal systems

    In the past few decades, chemosynthetic ecosystems at deep-sea hydrothermal vents have received attention as plausible analogues to the early ecosystems of Earth, as well as to extraterrestrial ecosystems. The...

    Kentaro Nakamura and Ken Takai

    Progress in Earth and Planetary Science 2014 1:5

    Published on: 22 April 2014

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  • ISSN: 2197-4284

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