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Validation of the CMS ARC (MyOcean) forecasting for the Arctic Region

Lars Petter Røed, Laurent Bertino, Bruce Hackett, et al.
Norwegian Meteorological Institute
(Abstract received 04/30/2015 for session X)
ABSTRACT

In Norway NERSC, MET Norway and IMR collaborate to deliver forecasts 24/7 for the Arctic region (CMS ARC) as part of the European Copernicus Marine Service (CMS) established April 1, 2015. Prior to CMS ARC the three institutions collaborated with a host of other European institutions, lead by Mercator, France, on projects to establish the CMS, e.g., MyOcean. The present CMS ARC forecasting system is an operational version of the TOPAZ4 Arctic Ocean system. TOPAZ4 uses the HYCOM ocean model and a 100-member EnKF assimilation scheme. It is run daily to provide 10 days of forecast (at present one single member) of the 3D physical ocean, including sea ice. Data assimilation is performed weekly to provide 7 days of analysis (ensemble average). The HYCOM physical model is further coupled to the NORWECOM biological model to provide 10 days of forecast of 3D biogeochemical variables, including nutrients and algae. Results are available daily through the MyOcean Catalogue at http://www.myocean.eu/ or at http://myocean.met.no/. Validation results and comparison with other models of the CMS ARC forecasting system will be presented.

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2015 LOM Workshop, Copenhagen, Denmark June 2nd - 4th, 2015