Ocean Sci. Discuss., 9, 745-786, 2012
www.ocean-sci-discuss.net/9/745/2012/
doi:10.5194/osd-9-745-2012
© Author(s) 2012. This work is distributed
under the Creative Commons Attribution 3.0 License.
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This discussion paper has been under review for the journal Ocean Science (OS). Please refer to the corresponding final paper in OS.
Validation of the NEMO-ERSEM operational ecosystem model for the North West European Continental Shelf
K. P. Edwards1, R. Barciela1, and M. Butenschön2
1Met Office, Exeter, UK
2Plymouth Marine Laboratory, Plymouth, UK

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.

Citation: Edwards, K. P., Barciela, R., and Butenschön, M.: Validation of the NEMO-ERSEM operational ecosystem model for the North West European Continental Shelf, Ocean Sci. Discuss., 9, 745-786, doi:10.5194/osd-9-745-2012, 2012.
 
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