Articles | Volume 18, issue 7
Biogeosciences, 18, 2325–2345, 2021
https://doi.org/10.5194/bg-18-2325-2021
Biogeosciences, 18, 2325–2345, 2021
https://doi.org/10.5194/bg-18-2325-2021

Research article 13 Apr 2021

Research article | 13 Apr 2021

Modern silicon dynamics of a small high-latitude subarctic lake

Petra Zahajská 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) (12 Feb 2021) by Jack Middelburg
AR by Petra Zahajská on behalf of the Authors (19 Feb 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (25 Feb 2021) by Jack Middelburg
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Short summary
The drivers of high accumulation of single-cell siliceous algae (diatoms) in a high-latitude lake have not been fully characterized before. We studied silicon cycling of the lake through water, radon, silicon, and stable silicon isotope balances. Results showed that groundwater brings 3 times more water and dissolved silica than the stream inlet. We demonstrate that groundwater discharge and low sediment deposition have driven the high diatom accumulation in the studied lake in the past century.
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