Arctide2017, a high-resolution regional tidal model in the Arctic Ocean

M. Cancet*, O. B. Andersen, F. Lyard, D. Cotton, J. Benveniste

*Corresponding author for this work

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The Arctic Ocean is a challenging region for tidal modelling. The accuracy of the global tidal models decreases by several centimeters in the Polar Regions, which has a large impact on the quality of the satellite altimeter sea surface heights and the altimetry-derived products.
NOVELTIS, DTU Space and LEGOS have developed Arctide2017, a regional, high-resolution tidal atlas in the Arctic Ocean, in the framework of an extension of the CryoSat Plus for Ocean (CP4O) ESA STSE (Support to Science Element) project. In particular, this atlas benefits from the assimilation of the most complete satellite altimetry dataset ever used in this region, including Envisat data up to 82°N and CryoSat-2 data between 82°N and 88°N. The combination of these satellite altimetry missions gives the best possible coverage of altimetry-derived tidal constituents. The available tide gauge data were also used for data assimilation and validation.
This paper presents the implementation methodology and the performance of this new regional tidal model in the Arctic Ocean, compared to the existing global and regional tidal models.
Original languageEnglish
JournalAdvances in space research
Issue number6
Pages (from-to)1324-1343
Publication statusPublished - 2018


  • Arctic Ocean
  • CryoSat-2 mission
  • Data assimilation
  • Satellite altimetry
  • Tide modelling


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