The biogeochemistry of dissolved organic matter and nutrients in two large Arctic estuaries and potential implications for our understanding of the Arctic Ocean system

The biogeochemistry of dissolved organic matter and nutrients in two large Arctic estuaries and potential implications for our understanding of the Arctic Ocean system

The discharge, composition, and fate of dissolved organic matter (DOM) and nutrients was investigated in two of the largest Arctic rivers, Yenisei and Ob, in order to assess their role for the biogeochemistry of the Kara Sea, and the potential of terrestrial DOM as tracer for the Arctic Ocean. Ultra...

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Veröffentlicht in:Marine chemistry 2004-12, Vol.92 (1), p.311-330
Hauptverfasser: Amon, Rainer M.W., Meon, Benedikt
Format: Artikel
Sprache:eng
Schlagworte:
Arctic Ocean
Biogeochemistry
Dissolved organic matter and nutrients
Earth sciences
Earth, ocean, space
Exact sciences and technology
External geophysics
Geochemistry
Mineralogy
Physical and chemical properties of sea water
Physics of the oceans
Silicates
Water geochemistry
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Zusammenfassung:The discharge, composition, and fate of dissolved organic matter (DOM) and nutrients was investigated in two of the largest Arctic rivers, Yenisei and Ob, in order to assess their role for the biogeochemistry of the Kara Sea, and the potential of terrestrial DOM as tracer for the Arctic Ocean. Ultrafiltered DOM (UDOM) from the two river–estuary systems was characterized by high C/N ratios (34–49), depleted δ 13C values (
ISSN:0304-4203
1872-7581
DOI:10.1016/j.marchem.2004.06.034