The sheltering effect of the Balearic Islands in the hindcast wave field |
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Authors: | S Ponce de León |
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Institution: | Centre for Marine Technology and Engineering (CENTEC), Technical University of Lisbon, Instituto Superior Técnico. Av. Rovisco Pais, 1049-001 Lisbon, Portugal |
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Abstract: | The sheltering effect of the Balearic Islands in the hindcast wave field was studied for typical Mediterranean wave situations of Llevant, Tramuntana and Mestral and for mild conditions such as the Garbí and Ponent winds. For this purpose, a third generation wave model was applied to the Mediterranean Sea and different patterns of the sheltered areas were found for the various representative situations depending on the wind variability and on the magnitude of the wind speed. From the analysis it was concluded that the sheltered zones created during storms generally persist for short periods of time of the order of 6 h, possibly reaching a maximum of 12 h. In contrast with earlier results obtained for swell dominated ocean areas, it was observed that in this area, due to the short fetches the sea states are mainly local wind seas and thus the wave field behind the islands depends on the local wind. |
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Keywords: | Wind Waves Wave modelling Sheltering effect of islands Mediterranean Sea Balearic Islands |
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