A New DTU18 MSS Mean Sea Surface – Improvement from SAR Altimetry

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Abstract

In this presentation we outline the new DTU18MSS mean sea surface which is the latest release of the global high resolution mean sea surface from DTU Space. The major new advance leading up to the release of this DTU18MSS the use of 3 years of Sentinel-3A and an improved 7 years Cryosat-2 LRM record. A new processing chain with updated editing and data
correction (i.e., using FES2014 as Ocean tide model) has been implemented. The use of consistent ocean tide model for the Mean sea surface and the subsequent processing of sun-syncronous satelliites has proven to be important to reduce the error that the MSS contributes to the total error budget. The presentation will also also focus on the difficult issues as consolidating Cryosat-2 and Sentinel-3 onto a past 20 year mean sea surface derived using multiple LRM satellites as well as the importance of merging Cryosat-2 data from different perating modes like LRM, SAR and SAR-In as these requires different retrackers.
Original languageEnglish
Publication date2018
Number of pages1
Publication statusPublished - 2018
Event25 years of progress in radar altimetry symposium - , Portugal
Duration: 24 Sep 201829 Sep 2018

Conference

Conference25 years of progress in radar altimetry symposium
Country/TerritoryPortugal
Period24/09/201829/09/2018

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