Articles | Volume 17, issue 1
Ocean Sci., 17, 147–180, 2021
https://doi.org/10.5194/os-17-147-2021

Special issue: Developments in the science and history of tides (OS/ACP/HGSS/NPG/SE...

Ocean Sci., 17, 147–180, 2021
https://doi.org/10.5194/os-17-147-2021

Research article 19 Jan 2021

Research article | 19 Jan 2021

Accuracy assessment of global internal-tide models using satellite altimetry

Loren Carrere et al.

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Cited articles

Ablain M., Legeais, J. F., Prandi, P., Fenoglio-Marc, L., Marcos, M., Benveniste, J., and Cazenave, A.: Altimetry-based sea level, global and regional, Surv. Geophys., 38, 7–31, https://doi.org/10.1007/s10712-016-9389-8, 2016. 
Ansong, J. K., Arbic, B. K., Buijsman, M. C., Richman, J. G., Shriver, J. F., and Wallcraft, A. J.: Indirect evidence for substantial damping of low-mode internal tides in the open ocean, J. Geophys. Res.-Oceans, 120, 6057–6071, https://doi.org/10.1002/2015JC010998, 2015. 
Antonov, J. I., Seidov, D., Boyer, T. P., Locarnini, R. A., Mishonov, A. V., Garcia, H. E., Baranova, O. K., Zweng, M. M., and Johnson, D. R.: World Ocean Atlas 2009, Vol. 2, Salinity, edited by: Levitus, S., NOAA Atlas NESDIS 69, U.S. Government Printing Office, Washington, DC, 184 pp., 2010. 
AVISO: Archiving Validation and Interpretation of Satellite Oceanographic data, available at: https://www.aviso.altimetry.fr/en/data/products/sea-surface-height-products/global/along-track-sea-level-anomalies-l2p.html, last access: 17 December 2020. 
Barbot, S., Lyard, F., Tchilibou, M., and Carrere, L.: The dependency of internal tidal waves on stratification temporal variability, in preparation, 2020. 
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Short summary
Internal tides can have a signature of several centimeters at the ocean surface and need to be corrected from altimeter measurements. We present a detailed validation of several internal-tide models using existing satellite altimeter databases. The analysis focuses on the main diurnal and semidiurnal tidal constituents. Results show the interest of the methodology proposed, the quality of the internal-tide models tested and their positive contribution for estimating an accurate sea level.