1. Methane cycle in the Barents Sea.
- Author
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Lein, A., Pimenov, N., Rusanov, I., Pavlova, G., Savvichev, A., and Verkhovskaya, Z.
- Subjects
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METHANE , *BIOGEOCHEMISTRY , *ISOTOPE geology , *SEDIMENTS , *GEOLOGY education - Abstract
Biogeochemical cycle of methane in the Barents Sea was studied using isotope geochemistry to determine the rates of microbial methane oxidation. It was established that microbiological processes (glucose consumption, 14CO2 assimilation, sulfate reduction, and slow methane oxidation) in oxidized surface and weakly reduced sediments are marked by only insignificant change in SO concentration and absence of notable growth of total alkalinity and N/NH4 downward the sediment core. Microbial methane productivity was 0.111 × 106 mol day−1. Taking into account the volume of water column, microbial methane consumption therein can be as much as 1.8 × 106 mol day−1. [ABSTRACT FROM AUTHOR]
- Published
- 2008
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