Articles | Volume 13, issue 22
Biogeosciences, 13, 6121–6138, 2016
https://doi.org/10.5194/bg-13-6121-2016

Special issue: Climate–carbon–cryosphere interactions in the...

Biogeosciences, 13, 6121–6138, 2016
https://doi.org/10.5194/bg-13-6121-2016
Research article
14 Nov 2016
Research article | 14 Nov 2016

Contrasting composition of terrigenous organic matter in the dissolved, particulate and sedimentary organic carbon pools on the outer East Siberian Arctic Shelf

Joan A. Salvadó et al.

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Short summary
Fluvial discharge and coastal erosion of the permafrost-dominated East Siberian Arctic delivers large quantities of terrigenous organic carbon (Terr-OC) to marine waters. We assessed its fate and composition in different marine pools with a suite of biomarkers. The dissolved organic carbon is transporting off-shelf “young” and fresh vascular plant material, while sedimentary and near-bottom particulate organic carbon preferentially carries old organic carbon released from thawing permafrost.
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