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Geochemical investigation of ODP Leg 113 sites

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Dissolved organic carbon (DOC) was determined in pore water extracted from pelagic and hemipelagic sediments recovered during Leg 113.

Description

DOC concentration varied between 1.82 and 13.6 mg C/L which is one to two orders of magnitude less than previously reported for hemipelagic sediments. It is argued that this difference is related to differences in the intensity of degradation of organic matter.

As a first approximation it is found that in reducing sediments, the level of DOC is proportional to the intensity of sulfate reduction. It is suggested that DOC is formed by different mechanisms in oxic and reducing environments.

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Provenance · 1 source records, 7 field assertions
SourceKeyLast seenRaw
GigaDBdoi:10.1594/pangaea.72639918 h agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · gigadb orgconnector:gigadb_org@1.0.0
concepts[field].local:field:earth-environmentalmapping · gigadb orgconnector:gigadb_org@1.0.0
concepts[field].local:field:ocean-atmosphericmapping · gigadb orgconnector:gigadb_org@1.0.0
descriptionsource · gigadb orgconnector:gigadb_org@1.0.0/metadata/dc/description
licensesource · gigadb orgconnector:gigadb_org@1.0.0/metadata/dc/rights
publication_datesource · gigadb orgconnector:gigadb_org@1.0.0
titlesource · gigadb orgconnector:gigadb_org@1.0.0/metadata/dc/title