Benefit of nesting a regional model into a large-scale ocean model instead of climatology. Application to the West Florida Shelf

peer reviewed The impact of open boundary conditions on the dynamics and accuracy of a regional West Florida Shelf model is addressed. A ROMS-based model nested in monthly climatological temperature and salinity and in the North Atlantic HYCOM model is implemented. The model results of these nesting...

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Bibliographic Details
Published in:Continental Shelf Research
Main Authors: Barth, Alexander, Alvera Azcarate, Aïda, Weiberg, R. H.
Format: Article in Journal/Newspaper
Language:English
Published: Pergamon Press - An Imprint of Elsevier Science 2008
Subjects:
nested model
open boundary conditions
shelf circulation
West Florida Shelf
Physical
chemical
mathematical & earth Sciences
Earth sciences & physical geography
Physique
chimie
mathématiques & sciences de la terre
Sciences de la terre & géographie physique
North Atlantic
Online Access:https://orbi.uliege.be/handle/2268/25575
https://doi.org/10.1016/j.csr.2007.11.004
Description
Summary:peer reviewed The impact of open boundary conditions on the dynamics and accuracy of a regional West Florida Shelf model is addressed. A ROMS-based model nested in monthly climatological temperature and salinity and in the North Atlantic HYCOM model is implemented. The model results of these nesting implementations are compared to altimetry, in situ temperature time series, and ADCP and high-frequency (HF) radar currents. A significant improvement of the model results is found using the boundary conditions of the HYCOM model over the climatology. The ageostrophic nature of the LC is studied and the benefit using the velocity and surface elevation boundary conditions is shown. (C) 2007 Elsevier Ltd. All rights reserved.

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