Articles | Volume 15, issue 2
Ocean Sci., 15, 291–305, 2019
https://doi.org/10.5194/os-15-291-2019

Special issue: The Copernicus Marine Environment Monitoring Service (CMEMS):...

Ocean Sci., 15, 291–305, 2019
https://doi.org/10.5194/os-15-291-2019

Research article 22 Mar 2019

Research article | 22 Mar 2019

Upscaling of a local model into a larger-scale model

Luc Vandenbulcke and Alexander Barth

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Latest update: 22 Oct 2021
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Short summary
In operational oceanography, regional and local models use large-scale models (such as those run by CMEMS) for their initial and/or boundary conditions, but unfortunately there is no feedback that improves the large-scale models. The present study aims at replacing normal two-way nesting by a data assimilation technique. This upscaling method is tried out in the north-western Mediterranean Sea using the NEMO model and shows that the basin-scale model does indeed benefit from the nested model.