Articles | Volume 15, issue 5
Biogeosciences, 15, 1483–1495, 2018
https://doi.org/10.5194/bg-15-1483-2018

Special issue: Changing Permafrost in the Arctic and its Global Effects in...

Biogeosciences, 15, 1483–1495, 2018
https://doi.org/10.5194/bg-15-1483-2018

Research article 13 Mar 2018

Research article | 13 Mar 2018

Increasing coastal slump activity impacts the release of sediment and organic carbon into the Arctic Ocean

Justine L. Ramage et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (31 Jan 2018) by Bo Elberling
AR by Justine Ramage on behalf of the Authors (01 Feb 2018)  Author's response    Manuscript
ED: Publish as is (03 Feb 2018) by Bo Elberling
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Short summary
We describe the evolution of thaw slumps between 1952 and 2011 along the Yukon Coast, Canada, and calculate the contribution of the slumps to the carbon budget in this area. The number of slumps has increased by 73 % over the period. These slumps displaced more than 16 billion m3 of material and mobilized 146 t of carbon. This represents 0.6 % of the annual carbon flux released from shoreline retreat, which shows that the contribution of slumps to the nearshore carbon budget is non-negligible.
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