Sensitivity of an idealized subtropical gyre to the eastern boundary conditions
The flow pattern of the North Atlantic Subtropical Gyre (NASG) is simulated using a highly idealised one-layer quasi-geostrophic wind-driven model. The novel feature of the model is the specification of the eastern boundary conditions. This is an upwelling favourable region with a quasi-permanent southward flowing coastal jet, which is fed by the eastern branch of the Canary Current. The corresponding boundary conditions are non-zero normal flux and constant potential vorticity, the latter being consistent with the generation of anticyclonic vorticity by the coastal jet. We examine the sensitivity of the model to the eastern boundary conditions and compare the results with recent observations for the region
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| Format: | artículo biblioteca |
| Language: | English |
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CSIC - Instituto de Ciencias del Mar (ICM)
2001-07
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| Subjects: | Numerical modelling, Subtropical gyre, |
| Online Access: | http://hdl.handle.net/10261/5364 |
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dig-icm-es-10261-53642020-11-05T12:40:45Z Sensitivity of an idealized subtropical gyre to the eastern boundary conditions Laiz, Irene Sangrà, Pablo Pelegrí, Josep Lluís Marrero-Díaz, Ángeles Numerical modelling Subtropical gyre The flow pattern of the North Atlantic Subtropical Gyre (NASG) is simulated using a highly idealised one-layer quasi-geostrophic wind-driven model. The novel feature of the model is the specification of the eastern boundary conditions. This is an upwelling favourable region with a quasi-permanent southward flowing coastal jet, which is fed by the eastern branch of the Canary Current. The corresponding boundary conditions are non-zero normal flux and constant potential vorticity, the latter being consistent with the generation of anticyclonic vorticity by the coastal jet. We examine the sensitivity of the model to the eastern boundary conditions and compare the results with recent observations for the region This work was supported by the European Union through project CANIGO (MAS3-CT96-1893) and the Spanish government trhough projects FRENTES (AMB95-0731) and TALUD (MAR96-1893) Peer reviewed 2008-06-26T10:10:06Z 2008-06-26T10:10:06Z 2001-07 artículo http://purl.org/coar/resource_type/c_6501 Scientia Marina 65(Suppl.1): 187-194 (2001) 0214-8358 http://hdl.handle.net/10261/5364 10.3989/scimar.2001.65s1187 1886-8134 en https://doi.org/10.3989/scimar.2001.65s1187 open 1036366 bytes application/pdf CSIC - Instituto de Ciencias del Mar (ICM) |
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Numerical modelling Subtropical gyre Numerical modelling Subtropical gyre |
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Numerical modelling Subtropical gyre Numerical modelling Subtropical gyre Laiz, Irene Sangrà, Pablo Pelegrí, Josep Lluís Marrero-Díaz, Ángeles Sensitivity of an idealized subtropical gyre to the eastern boundary conditions |
| description |
The flow pattern of the North Atlantic Subtropical Gyre (NASG) is simulated using a highly idealised one-layer quasi-geostrophic wind-driven model. The novel feature of the model is the specification of the eastern boundary conditions. This is an upwelling favourable region with a quasi-permanent southward flowing coastal jet, which is fed by the eastern branch of the Canary Current. The corresponding boundary conditions are non-zero normal flux and constant potential vorticity, the latter being consistent with the generation of anticyclonic vorticity by the coastal jet. We examine the sensitivity of the model to the eastern boundary conditions and compare the results with recent observations for the region |
| format |
artículo |
| topic_facet |
Numerical modelling Subtropical gyre |
| author |
Laiz, Irene Sangrà, Pablo Pelegrí, Josep Lluís Marrero-Díaz, Ángeles |
| author_facet |
Laiz, Irene Sangrà, Pablo Pelegrí, Josep Lluís Marrero-Díaz, Ángeles |
| author_sort |
Laiz, Irene |
| title |
Sensitivity of an idealized subtropical gyre to the eastern boundary conditions |
| title_short |
Sensitivity of an idealized subtropical gyre to the eastern boundary conditions |
| title_full |
Sensitivity of an idealized subtropical gyre to the eastern boundary conditions |
| title_fullStr |
Sensitivity of an idealized subtropical gyre to the eastern boundary conditions |
| title_full_unstemmed |
Sensitivity of an idealized subtropical gyre to the eastern boundary conditions |
| title_sort |
sensitivity of an idealized subtropical gyre to the eastern boundary conditions |
| publisher |
CSIC - Instituto de Ciencias del Mar (ICM) |
| publishDate |
2001-07 |
| url |
http://hdl.handle.net/10261/5364 |
| work_keys_str_mv |
AT laizirene sensitivityofanidealizedsubtropicalgyretotheeasternboundaryconditions AT sangrapablo sensitivityofanidealizedsubtropicalgyretotheeasternboundaryconditions AT pelegrijoseplluis sensitivityofanidealizedsubtropicalgyretotheeasternboundaryconditions AT marrerodiazangeles sensitivityofanidealizedsubtropicalgyretotheeasternboundaryconditions |
| _version_ |
1777665652039876608 |