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Wind-induced barotropic oscillations around the Saint Pierre and Miquelon archipelago (North-west Atlantic) ArchiMer
Bezaud, Marion; Lazure, Pascal; Le Cann, Bernard.
We investigate the nearly barotropic oscillations recently observed around the Saint Pierre and Miquelon (SPM) archipelago. They were recorded by two ADCPs at about 30 m depth during winter and spring 2014. These oscillations were the dominant signal on the currents with a period of 2 to 4 days. Our analysis shows that these oscillations were triggered by the wind. To investigate these oscillations, a 2D numerical model was implemented at a regional scale. The results from a realistic simulation confirmed the impact of wind forcing on ocean dynamics in the region. They also showed amplification of these oscillations around SPM, particularly in the north-west of the archipelago and near Burin Peninsula. Analyses suggested the influence of continental shelf...
Tipo: Text Palavras-chave: Barotropic modelling; Wind induced oscillations; Continental shelf wave; Saint Pierre and Miquelon archipelago; Newfoundland.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00606/71803/70291.pdf
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