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  • The Mean Dynamic Topography MDT-CNES-CLS22 is an estimate of the mean over the 1993-2012 period of the sea surface height above geoid. This is consistent with the reference time period also used in the SSALTO DUACS products.

  • The Mean Dynamic Topography (MDT) is the temporal mean of the Sea Surface Height above the Geoid over a reference period (here 1993-2012). The Hybrid Mean Dynamic Topography contains the MDT-CNES-CLS18 for the global coverage and the MDT CMEMS 2020 for the Black Sea (MDT-CMEMS2020-BLK) and the Mediterranean Sea (MDT-CMEMS2020-MED).