Multicore structures and the splitting and merging of eddies  in global oceans from satellite altimeter data

Cui, Wei; Wang, Wei; Zhang, Jie; Yang, Jungang

doi:https://doi.org/10.5194/os-15-413-2019

Articles | Volume 15, issue 2

https://doi.org/10.5194/os-15-413-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/os-15-413-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 15, issue 2

Research article

|

15 Apr 2019

Research article |

| 15 Apr 2019

Multicore structures and the splitting and merging of eddies in global oceans from satellite altimeter data

Wei Cui, Wei Wang, Jie Zhang, and Jungang Yang

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Final revised paper (published on 15 Apr 2019)
Preprint (discussion started on 11 Oct 2018)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Manuscript revision', Angel Amores, 18 Jan 2019
- AC1: 'Reply to Referee comment 1', Wei Cui, 17 Mar 2019
RC2: 'Review on multicore structure and the splitting and merging of eddies in global oceans from satellite altimeter data', Anonymous Referee #2, 18 Feb 2019
- AC2: 'Reply to Referee comment 2', Wei Cui, 17 Mar 2019

Peer-review completion

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

AR by Wei Cui on behalf of the Authors (17 Mar 2019) Author's response Manuscript

ED: Publish subject to technical corrections (27 Mar 2019) by John M. Huthnance

Dear Authors
Thank-you for your revisions. Here follow just some “Technical Corrections” after which your manuscript should enter the publication process directly (no more via myself) to appear in Ocean Science. There will be copy editing and you should check that this keeps your intended meaning. Thank-you for publishing in Ocean Science.
John Huthnance

Technical Corrections.

Page 2 line 71. “show” -> “use”?

Page 3
Line 73. Delete “is”
Line 86. I do not understand “mixing” here. Omit?
Line 89. Delete “-free”?

Page 4 line 110. Delete “∂” twice, delete “unit”

Page 5 line 141. Better “. . of an eddy core . .”

Page 6
Line 180. Better “mathematical” or omit it.
Line 189. “. . positions of extremum points, . . eddy scales along the horizontal axes, Ai” [x and y are both horizontal].
Line 198. In σ1' and σ2' the ' needs to match that in lines 193, 195

Page 9 line 269. Omit “there were”?

Page 16 line 415. “. . In other words . .”

Page 17 line 445. Better “. . Algerian eddy. The above-mentioned tracking is limited”?

Page 18 line 478. “. . are observed per 1° x 1°. Specifically . .”

Page 19
Line 511. “. . then eddy merging or splitting occurs . .”
Lines 512-514. “. . 2005). [The large-amplitude . . currents]. In turn, because of these interactions, the lifetime of eddies is shorter there compared with mid-latitude regions. In”

Page 20 line 517. Related to referee 1 point 15 and your response, I think there should be something in the paper itself, probably here. Maybe something like “For the eddy scales resolved here, distributions of splitting and merging of cyclones and anticyclones are very similar; this may not hold for smaller-scale eddies.”

Page 21 line 558. Better “. . configuration. It is a paradox that on the one hand a multicore eddy . .”?

Page 22.
Line 582. “observed in the 23 years’ data. For the Northern Hemisphere . .”
Line 584. Delete “the region”?
Line 591. “. . interaction, where . .”
Line 601. “likely” -> “like”
Line 602. “shown” -> “showed”
Line 605. “. . eddies (capture of only . . eddies is suggested”
Line 610. Omit “Nevertheless” (which wrongly suggests that its sentence disagrees with the previous sentence).
Line 613. Delete both “the”

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AR by Wei Cui on behalf of the Authors (03 Apr 2019) Manuscript

Short summary

Mesoscale eddies are large bodies of swirling water, which generally refer to ocean signals with spatial scales of tens to hundreds of kilometers and temporal scales of days to months. This study identified events of splitting and merging of mesoscale eddies in the global ocean based on sea level height data. Multicore structures represent an intermediate stage in the process of eddy evolution, similar to the generation of multiple nuclei in a cell as a preparatory phase for cell division.