Articles | Volume 12, issue 20
Biogeosciences, 12, 5941–5965, 2015
https://doi.org/10.5194/bg-12-5941-2015

Special issue: Freshwater ecosystems in changing permafrost landscapes

Biogeosciences, 12, 5941–5965, 2015
https://doi.org/10.5194/bg-12-5941-2015

Research article 19 Oct 2015

Research article | 19 Oct 2015

Thermal processes of thermokarst lakes in the continuous permafrost zone of northern Siberia – observations and modeling (Lena River Delta, Siberia)

J. Boike et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (12 Aug 2015) by Victor Brovkin
AR by Julia Boike on behalf of the Authors (01 Sep 2015)  Author's response    Manuscript
ED: Reconsider after major revisions (01 Sep 2015) by Victor Brovkin
AR by Julia Boike on behalf of the Authors (09 Sep 2015)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (13 Sep 2015) by Victor Brovkin
RR by Victor Brovkin (30 Sep 2015)
ED: Publish subject to minor revisions (Editor review) (30 Sep 2015) by Victor Brovkin
AR by Julia Boike on behalf of the Authors (01 Oct 2015)  Author's response    Manuscript
ED: Publish as is (02 Oct 2015) by Victor Brovkin
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Short summary
We show that lakes in northern Siberia are very efficient with respect to energy absorption and mixing using measurements as well as numerical modeling. We show that (i) the lakes receive substantial energy for warming from net short-wave radiation; (ii) convective mixing occurs beneath the ice cover, follow beneath the ice cover, following ice break-up, summer, and fall (iii) modeling suggests that the annual mean net heat flux across the bottom sediment boundary is approximately zero.
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