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Nemo on the Shelf: Assessment of the Iberia–biscay–ireland Configuration : Volume 9, Issue 4 (26/08/2013)

By Maraldi, C.

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Book Id: WPLBN0004020679
Format Type: PDF Article :
File Size: Pages 27
Reproduction Date: 2015

Title: Nemo on the Shelf: Assessment of the Iberia–biscay–ireland Configuration : Volume 9, Issue 4 (26/08/2013)  
Author: Maraldi, C.
Volume: Vol. 9, Issue 4
Language: English
Subject: Science, Ocean, Science
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Research And Development Team, T. M., Fanjul, E. A., Mey, P. D., Lyard, F., Drévillon, M., Maraldi, C.,...Sotillo, M. G. (2013). Nemo on the Shelf: Assessment of the Iberia–biscay–ireland Configuration : Volume 9, Issue 4 (26/08/2013). Retrieved from

Description: LEGOS/CNRS/Université de Toulouse, UMR5566, 14 avenue Edouard Belin, 31400 Toulouse, France. This work describes the design and validation of a high-resolution (1/36°) ocean forecasting model over the Iberian–Biscay–Irish (IBI) area. The system has been set-up using the NEMO model (Nucleus for European Modelling of the Ocean). New developments have been incorporated in NEMO to make it suitable to open- as well as coastal-ocean modelling. In this paper, we pursue three main objectives: (1) to give an overview of the model configuration used for the simulations; (2) to give a broad-brush account of one particular aspect of this work, namely consistency verification; this type of validation is conducted upstream of the implementation of the system before it is used for production and routinely validated; it is meant to guide model development in identifying gross deficiencies in the modelling of several key physical processes; and (3) to show that such a regional modelling system has potential as a complement to patchy observations (an integrated approach) to give information on non-observed physical quantities and to provide links between observations by identifying broader-scale patterns and processes. We concentrate on the year 2008. We first provide domain-wide consistency verification results in terms of barotropic tides, transports, sea surface temperature and stratification. We then focus on two dynamical subregions: the Celtic shelves and the Bay of Biscay slope and deep regions. The model–data consistency is checked for variables and processes such as tidal currents, tidal fronts, internal tides and residual elevation. We also examine the representation in the model of a seasonal pattern of the Bay of Biscay circulation: the warm extension of the Iberian Poleward Current along the northern Spanish coast (Navidad event) in the winter of 2007–2008.

NEMO on the shelf: assessment of the Iberia–Biscay–Ireland configuration

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