Dissolved organic carbon and volatile fatty acids in marine sediment pore waters

Details Dissolved organic carbon and volatile fatty acids in marine sediment pore waters Dissolved organic carbon and volatile fatty acids in marine sediment pore waters

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980gecoa..44.1977b&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 44, Issue 12, pp.1977-1984

Mathematics

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3

Scientific paper

The results of a study of the contribution of microbial metabolic products to total dissolved organic carbon (DOC) levels in coastal sediments are presented. The data indicate that acidic volatile compounds make up a substantial fraction of pore water DOC's in both oxic and anoxic pore waters of coastal marine sediments. Formic, acetic and butyric acids are the principal volatile species identified at levels exceeding 10 M. Acid concentrations are up to five times higher in anoxic pore waters than in oxic waters. Volatile organic acids show promise as indicators of diagenetic processes in marine sediments and of the ecological succession of microorganisms, in particular.

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