Articles | Volume 11, issue 5
Ocean Sci., 11, 829–837, 2015
https://doi.org/10.5194/os-11-829-2015
Ocean Sci., 11, 829–837, 2015
https://doi.org/10.5194/os-11-829-2015

Research article 14 Oct 2015

Research article | 14 Oct 2015

Impacts of mean dynamic topography on a regional ocean assimilation system

C. Yan et al.

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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.