Impacts of mean dynamic topography on a regional ocean assimilation system

Yan, C.; Zhu, J.; Tanajura, C. A. S.

doi:https://doi.org/10.5194/os-11-829-2015

Articles | Volume 11, issue 5

https://doi.org/10.5194/os-11-829-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/os-11-829-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 11, issue 5

Research article

|

14 Oct 2015

Research article |

| 14 Oct 2015

Impacts of mean dynamic topography on a regional ocean assimilation system

C. Yan, J. Zhu, and C. A. S. Tanajura

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Final revised paper (published on 14 Oct 2015)
Preprint (discussion started on 15 Jun 2015)

Interactive discussion

Status: closed

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

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- Supplement

RC C380: 'review of “Impacts of mean dynamic topography on a regional ocean assimilation system”', Anonymous Referee #1, 03 Jul 2015
- AC C670: 'Response to Referee #1', Changxiang Yan, 07 Sep 2015
RC C393: 'Review', Anonymous Referee #2, 06 Jul 2015
- AC C674: 'Response to Referee #2', Changxiang Yan, 07 Sep 2015

Short summary

The altimetry data assimilation requires the addition of the mean dynamic topography to the altimetric sea level anomaly to match the model sea surface height. The mean dynamic topography is usually computed from the model long-term mean sea surface height. In this study, the impact of different mean dynamic topographies on the sea level anomaly assimilation is examined. Results show that impacts of the mean dynamic topography cannot be neglected.