Strong linkages between surface and deep-water dissolved organic matter in the East/Japan Sea

Kim, Tae-Hoon; Kim, Guebuem; Shen, Yuan; Benner, Ronald

doi:https://doi.org/10.5194/bg-14-2561-2017

Articles | Volume 14, issue 9

https://doi.org/10.5194/bg-14-2561-2017

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

https://doi.org/10.5194/bg-14-2561-2017

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

Articles | Volume 14, issue 9

Research article

|

17 May 2017

Research article |

| 17 May 2017

Strong linkages between surface and deep-water dissolved organic matter in the East/Japan Sea

Tae-Hoon Kim, Guebuem Kim, Yuan Shen, and Ronald Benner

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Final revised paper (published on 17 May 2017)
Preprint (discussion started on 17 Jan 2017)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of Tae-Hoon Kim paper on DOM cycling in EJS', Jeffrey Hawkes, 24 Feb 2017
- AC1: 'Response to reviewer comment', Tae Hoon Kim, 24 Mar 2017
RC2: 'Referee comment on "Strong linkages between surface and deep water dissolved organic matter in the East/Japan Sea" by Kim et al.', Anonymous Referee #2, 08 Mar 2017
- AC2: 'Response to reviewer comment', Tae Hoon Kim, 24 Mar 2017
RC3: 'Review of: Strong linkages between surface and deep water dissolved organic matter in the East/Japan Sea', Anonymous Referee #3, 09 Mar 2017
- AC3: 'Response to reviewer comment', Tae Hoon Kim, 24 Mar 2017

Peer-review completion

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

ED: Publish subject to minor revisions (Editor review) (11 Apr 2017) by Silvio Pantoja

April 11, 2017

Dear Dr. Kim,
Thanks for providing responses to reviewers of your article “Strong linkages between surface and deep water dissolved organic matter in the East/Japan Sea” by Tae-Hoon Kim, Guebuem Kim, Yuan Shen, and Ronald Benner. Thanks for providing responses to three Reviewers of your BG discussion paper (bg-2016-222). I would like to invite you to submit a revised version of the article based on your responses, and considering specially the following issues:

1. Abstract: “These observations suggest that the transport of bioavailable DOM to microbial food webs in deep waters of the EJS is sensitive to changes in deep-water renewal rates. ”

Editor: This is not clear from the information provided in the Abstract section, and is also a concern to Reviewer 3for which I ask you to consider it in detail

2. R1. “Page 5 Line 31 onwards: They mention a ’significant but weak’ correlation between two variables without providing any statistical data or graphs, only a table. I think this sentence should include at least an r2, p value and n. => In the revised version, added r2 value (0.001) and sample number (n=66).

Editor: Please note that regression (r2) considers independent (X) and dependent (Y) variables, whereas in correlation (r) implies that there are no dependent variables. Use accordingly.

3. R2. “There are no definition of THAA, DOC or DON in a explicit way. DOC and DON are maybe more obvious, but a short sentence with the main meaning of THAA would be appreciated. “

In the revised version, we stated that “Filtered (0.7 μm) water samples were subjected to acid hydrolysis for determination of the total dissolved amino acid concentration and composition”.

Editor: Even though there is no consensus on this, consider the use of DFAA (Dissolved free amino acids) instead of THAA since it would be more clear for readers

4. DOC and DON normalized yields of amino acids, should be AA-N/DON and AA-C/DOC, not %DON or %DOC

5. There are too many non-standard abbreviations that if avoided it will make the article easier to read and understand (e.g. UB, TC, YB)

Looking forward to received a revised version of your contribution

Silvio Pantoja
Associate Editor

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AR by TAE HOON Kim on behalf of the Authors (13 Apr 2017) Author's response Manuscript

ED: Publish as is (26 Apr 2017) by Silvio Pantoja

AR by TAE HOON Kim on behalf of the Authors (26 Apr 2017)

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Short summary

Significantly high total hydrolysable amino acid concentrations and yields were observed in the East/Japan Sea of deep-water formation, indicating the convection of margin-derived bioavailable dissolved organic matter to deep waters. Our observational results suggest that the effective transport of bioavailable DOM to the deep ocean can be significantly sensitive to changes in the deep-water renewal rates and in temperature of the surface ocean, linked to global warming.