Validation of the NEMO-ERSEM operational ecosystem model for the North West European Continental Shelf
Author:
Edwards K. P.,Barciela R.,Butenschön M.
Abstract
Abstract. This paper details updates to the Met Office's operational coupled hydrodynamic-ecosystem model from the Medium-Resolution Continental Shelf – POLCOMS-ERSEM (MRCS-PE) system (Siddorn et al., 2007) to the 7 km Atlantic Margin Model NEMO-ERSEM (AMM7-NE) system. We also provide a validation of the ecosystem component of the new operational system. Comparisons have been made between the model variables and available in situ, satellite and climatological data. The AMM7-NE system has also been benchmarked against the MRCS-PE system. The transition to the new AMM7-NE system was successful and it has been running operationally since March 2011 and has been providing products through MyOcean (http:///www.myocean.eu.org/) since July 2011. The results presented herein show the AMM7-NE system performs better than the MRCS-PE system with the most improvement in the model nutrient fields. The problem of nutrient accumulation in the MRCS-PE system appears to be solved in the new AMM7-NE system with nutrient dynamics improved throughout the domain. Improvements in model chlorophyll are also seen but are more modest.
Funder
European Commission
Publisher
Copernicus GmbH
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