Discovery and characterization of submarine groundwater discharge in the Siberian Arctic seas: a case study in the Buor-Khaya Gulf, Laptev Sea

Charkin, Alexander N.; Rutgers van der Loeff, Michiel; Shakhova, Natalia E.; Gustafsson, Örjan; Dudarev, Oleg V.; Cherepnev, Maxim S.; Salyuk, Anatoly N.; Koshurnikov, Andrey V.; Spivak, Eduard A.; Gunar, Alexey Y.; Ruban, Alexey S.; Semiletov, Igor P.

doi:https://doi.org/10.5194/tc-11-2305-2017

Articles | Volume 11, issue 5

https://doi.org/10.5194/tc-11-2305-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Climate–carbon–cryosphere interactions in the...

https://doi.org/10.5194/tc-11-2305-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 11, issue 5

Special issue editorial

|

05 Oct 2017

Special issue editorial |

| 05 Oct 2017

Discovery and characterization of submarine groundwater discharge in the Siberian Arctic seas: a case study in the Buor-Khaya Gulf, Laptev Sea

Alexander N. Charkin, Michiel Rutgers van der Loeff, Natalia E. Shakhova, Örjan Gustafsson, Oleg V. Dudarev, Maxim S. Cherepnev, Anatoly N. Salyuk, Andrey V. Koshurnikov, Eduard A. Spivak, Alexey Y. Gunar, Alexey S. Ruban, and Igor P. Semiletov

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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Requires more careful, quantitative review of the data', Anonymous Referee #1, 13 Apr 2017
- AC1: 'Respons to referee #1', Alexander Charkin, 16 Jun 2017
RC2: 'Comment on "Discovery and characterization of submarine groundwater discharge in the Siberian Arctic seas" by Charkin et al', Anonymous Referee #2, 14 Apr 2017
- AC2: 'Respons to referee #2', Alexander Charkin, 16 Jun 2017
RC3: 'Review of the manuscript coauthored by Charkin et al.', Anonymous Referee #3, 20 Apr 2017
- AC3: 'Respons to referee #3', Alexander Charkin, 16 Jun 2017

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Alexander Charkin on behalf of the Authors (20 Jul 2017) Author's response Manuscript

ED: Referee Nomination & Report Request started (28 Jul 2017) by Nina Kirchner

RR by Anonymous Referee #3 (09 Aug 2017)

ED: Publish subject to minor revisions (Editor review) (14 Aug 2017) by Nina Kirchner

Dear Authors,

Many thanks for your revised version.

Prior to publication, I would like to suggest a few minor changes related to figures and captions. Once these are addressed, the manuscript can be published.

Caption Figure 2: Add source for the background map in panel a. I suspect it is IBCAO?
Panel b: Put station numbers in parantheses. ".. between winter (no. 1529) and summer (no. 103) stations". Panel c: What is TS? All abbreviations must be explained.

Caption Figure 4: You should refer to Fig. 2 for an overview map. Also, it would be good if the tower symbols used in the figure would be explained in the caption. Panel b: Add the names to the drilling cores: "of the drilling cores 1D-15, ...".

Caption Figure 6: Why is there a white area in all the six panels which show the enlarged region? I think this needs to be explained, and mentioned in the caption.

Figure 7: The map in the uppermost panel is still too small. Further, why is there a white gap in all the panels? This should be explained in the caption.

Caption Figure 7: Add that the location of transects T1 and T2 is shown in Figure 2. Also, the text mentions that "mushroom-like structures" can be seen. I can not see such structures, so an explanation in the caption and an arrow (or any other indicator) should be included in the panels whereever these structures appear.

Figure 15: The red text in panel a can hardly be read. Please make it more readable.

Further, please type equations 1 and 2. Right now, it looks that they are pasted in as images.

Finally, please check the language once more. Specifically, at two occasions, "region" should be used instead of "territory" (line 19, first page of chapter 3), and instead of "district" (line 41, sec 3.2).

Many thanks.

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AR by Alexander Charkin on behalf of the Authors (18 Aug 2017) Author's response Manuscript

ED: Publish as is (22 Aug 2017) by Nina Kirchner

AR by Alexander Charkin on behalf of the Authors (23 Aug 2017)

Short summary

This study tests the hypothesis that SGD exists in the Siberian Arctic shelf seas, but its dynamics may be largely controlled by complicated geocryological conditions such as permafrost. The permafrost cements rocks, forms a confining bed, and as a result makes it difficult for the groundwater escape to the shelf surface. However, the discovery of subterranean outcrops of groundwater springs in the Buor-Khaya Gulf are clear evidence that a groundwater flow system exists in the environment.