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| Titel |
Contribution of island asymmetry and neighboring islands to the formation of oceanic wakes: a quasi-geostrophic study of near- and far-field implications |
| VerfasserIn |
Rui Caldeira, Alain Chelius, Maxime Schmerber, Pablo Sangrà |
| Konferenz |
EGU General Assembly 2011
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 13 (2011) |
| Datensatznummer |
250054592
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| Zusammenfassung |
| Often laboratory and numerical idealized studies use a cylinder-like island to induce the wake formation, whereas most ‘realistic’ studies use a close representation of the complex oceanic bathymetry. Herein, apart from considering flow around a cylinder, two-asymmetric idealized islands, inspired by the realistic configuration of the Madeira Archipelago, was used to study: (i) the impact of island asymmetry; as well as to study (ii) the impact of the presence of a neighboring island, in the formation of oceanic wakes. To study the flow perturbation caused by the island, the non-dimensional, quasi-geostrophic equations were used. Data from remote sensing and shallow-water laboratory simulations also helped interpret the numerical results. Results from the numerical simulations showed that for several low Re regimes (20
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