Combining altimetric/gravimetric and ocean model mean dynamic topography models in the GOCINA region

Per Knudsen,Keith Haines,Johnny A Johannessen,Philippe Schaeffer,Frank Siegismund,Addisu Hunegnaw,Gilles Larnicol,Helge Drange,D Solheim ,Fabrice Hernández ,R G Hipkin ,Arne Vestergaard Olesen ,Ove D Omang ,R Forsberg ,Marie-Hélène Rio ,Rory Bingham ,A L Vest ,Jean-Philippe Drécourt ,Henning Pontoppidan Föh ,Ole Andersen

doi:10.1007/978-3-540-49350-1_1

Combining altimetric/gravimetric and ocean model mean dynamic topography models in the GOCINA region

Per Knudsen, Keith Haines + Show 18 more

https://doi.org/10.1007/978-3-540-49350-1_1

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Publication Date: Jan 1, 2007

Citations: 12

Affiliation: National Space Centre, University of Reading, Nansen International Environmental and Remote Sensing Center, Collecte Localisation Satellites (France), University of Edinburgh, Norwegian Mapping Authority

#Mean Dynamic Topography #Mean Dynamic Topography Models + Show 8 more

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Abstract

Initially, existing mean dynamic topography (MDT) models were collected and reviewed. The models were corrected for the differences in averaging period using the annual anomalies computed from satellite altimetry. Then a composite MDT was derived as the mean value in each grid node together with a standard deviation to represent its error. A new synthetic MDT was obtained from the new mean sea surface (MSS) KMS04 combined with a regional geoid updated using GRACE gravity and gravimetric data from a recent airborne survey. Compared with the composite MDT the synthetic MDT showed very similar results.

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