The monsoon effect on energy and carbon exchange processes  over a highland lake in the southwest of China

Du, Qun; Liu, Huizhi; Xu, Lujun; Liu, Yang; Wang, Lei

doi:https://doi.org/10.5194/acp-18-15087-2018

Articles | Volume 18, issue 20

https://doi.org/10.5194/acp-18-15087-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-18-15087-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 20

Research article

|

19 Oct 2018

Research article |

| 19 Oct 2018

The monsoon effect on energy and carbon exchange processes over a highland lake in the southwest of China

Qun Du, Huizhi Liu, Lujun Xu, Yang Liu, and Lei Wang

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Final revised paper (published on 19 Oct 2018)
Preprint (discussion started on 30 Jan 2018)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review', Anonymous Referee #1, 23 Mar 2018
- AC1: 'Response to reviewer's comments', Huizhi LIU, 29 Jun 2018
RC2: 'Reviewer comment', Anonymous Referee #2, 01 Jun 2018
- AC2: 'Response to reviewer's comments', Huizhi LIU, 29 Jun 2018

Peer-review completion

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

AR by Huizhi Liu on behalf of the Authors (29 Jun 2018) Author's response Manuscript

ED: Referee Nomination & Report Request started (12 Jul 2018) by Janne Rinne

RR by Anonymous Referee #2 (30 Jul 2018)

Suggestions for revision or reasons for rejection

The authors has essentially revised the manuscript according to my questions and comments. However, one minor but important aspect needs to be addressed. The Dalton and Stanton numbers presented In eq. 1-2 are unfortunately not the ones I was referring to. I am referring to the numbers used in bulk parameterizations of air-sea fluxes see e.g.

Drennan, W. M. (2006), On parameterisations of air‐sea fluxes, in Atmosphere‐Ocean Interactions, vol. 2, edited by W. Perrie, pp. 1–34, WIT Press, Southampton, U. K.

A well known algorithm is the COARE algorithm, see e.g.

Fairall, C.W., E.F. Bradley, J.E. Hare, A.A. Grachev, and J.B. Edson, 2003: Bulk Parameterization of Air–Sea Fluxes: Updates and Verification for the COARE Algorithm. J. Climate, 16, 571–591

It is more relevant to compare with these versions of the exchange coefficients and e.g. plot them as function of wind speed, compare values during the different periods (pre-, during and post- monsoon), also put them in context, e.g. compare with values from COARE algorithm. In this way you can directly see if your measurements go beyond current state-of-the art knowledge of air-water energy transport (which the COARE algorithm aiming to represent).

The current discussion on Fig 8 and the current versions of the Stanton and Dalton numbers unfortunately doesn’t add more understanding of the results. If you argue to keep it, my view is that you need to elaborate more on the interpretation of these results.

Typos

P20, line 20, “Lake”

Figure 2 caption: change to “downward shortwave radiation”

Figure 9, figure caption, Please double check the caption. Clearly state what upper and lower limits of the large box represent. What does the horizontal line in each box represent? Also how can the 1 and 99% percentiles go beyond the maximum and minimum values represented by the short dash (as I interpret as the whiskers)?

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ED: Reconsider after major revisions (23 Aug 2018) by Janne Rinne

AR by Huizhi Liu on behalf of the Authors (03 Sep 2018) Author's response Manuscript

ED: Publish subject to technical corrections (02 Oct 2018) by Janne Rinne

AR by Huizhi Liu on behalf of the Authors (03 Oct 2018) Manuscript

Short summary

Erhai Lake is a subtropical highland shallow lake on the southeast margin of the Tibetan Plateau, which is influenced by both South Asian and East Asian summer monsoons. The substantial difference in atmospheric properties during monsoon and non-monsoon periods has a large effect in regulating turbulent heat and carbon dioxide exchange processes over Erhai Lake. Large difference are found for the factors controlling sensible heat and carbon dioxide flux during monsoon and non-monsoon periods.