Biogeosciences

Weak hydrothermal carbonation of the Ongeluk volcanics: evidence for low CO2 concentrations in seawater and atmosphere during the Paleoproterozoic global glaciation

Shibuya T, Komiya T, Takai K, Maruyama S, Russell M J

Late Holocene uplift of the Izu Islands on the northern Zenisu Ridge off Central Japan

Kitamura A, Imai T, Mitsui Y, Ito M, Miyairi Y, Yokoyama Y, Tokuda Y

A 2700-year record of ENSO and PDO variability from the Californian margin based on coccolithophore assemblages and calcification

Luc Beaufort and Michaël Grelaud

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

Ueda H, Shibuya T, Sawaki Y, Saitoh M, Takai K, Maruyama S

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

Okumura T, Kawagucci S, Saito Y, Matsui Y, Takai K, and Imachi H

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

Shibuya T, Yoshizaki M, Sato M, Shimizu K, Nakamura K, Omori S, Suzuki K, Takai K, Tsunakawa H, Maruyama S

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

Saitoh M, Ueno Y, Isozaki Y, Shibuya T, Yao JX, Ji ZS, Shozugawa K, Matsuo M, Yoshida N

Biogeochemistry and limnology in Antarctic subglacial weathering: molecular evidence of the linkage between subglacial silica input and primary producers in a perennially ice-covered lake

Takano Y, Kojima H, Takeda E, Yokoyama Y, Fukui M

Biochemical and physiological bases for the use of carbon and nitrogen isotopes in environmental and ecological studies

Ohkouchi N, Ogawa N O, Chikaraishi Y, Tanaka H, Wada E

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

Nakamura K, Takai K