The DTU13 MSS (Mean Sea Surface) and MDT (Mean Dynamic Topography) from 20 Years of Satellite Altimetry

The DTU13MSS is the latest release of the global high resolution mean sea surface (MSS) from DTU Space. The new MSS is based on multi-mission satellite altimetry from 10 different satellites. Three major advances have been made in order to release the new MSS. The time series have been extended to 20 years from 17 years used for DTU10MSS creating the first multi-decadal MSS. Secondly, the DTU13MSS ingest Cryosat-2 LRM and SAR data as well as 1 year of Jason-1 geodetic mission as part as it end-of-life mission between May 2012 and June 2013. Finally, the availability of Cryosat-2 SAR altimetry enables the determination of sea level in leads in the ice, which has enabled us to derive an accurate MSS all the way to 88°N.

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