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Interannual evolution of (sub)mesoscale dynamics in the Bay of Biscay ArchiMer
Charria, Guillaume; Theetten, Sebastien; Vandermeirsch, Frederic; Yelekci, Ozge; Audiffren, Nicole.
In the north-east Atlantic Ocean, the Bay of Biscay is an intersection between a coastal constrained dynamics (wide continental shelf and shelf break regions) and an eastern boundary circulation system. In this framework, the eddy kinetic energy is 1 order of magnitude lower than in western boundary systems. To explore this coastal complex system, a high-resolution (1 km, 100 vertical sigma layers) model experiment including tidal dynamics over a period of 10 years (2001–2010) has been implemented. The ability of the numerical environment to reproduce main patterns over interannual scales is demonstrated. Based on this experiment, the features of the (sub)mesoscale processes are described in the deep part of the region (i.e. abyssal plain and continental...
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Ano: 2017 URL: http://archimer.ifremer.fr/doc/00403/51468/52038.pdf
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Observing submesoscale activity in the Bay of Biscay with satellite-derived SST and Chlorophyll concentration ArchiMer
Yelekci, Ozge; Charria, Guillaume; Mawren, Daneeja; Capet, Xavier; Reverdin, Gilles; Gohin, Francis; Sudre, Joel; Yahia, Hussein.
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Ano: 2014 URL: http://archimer.ifremer.fr/doc/00197/30787/29145.pdf
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Spatial and Seasonal Distributions of Frontal Activity over the French Continental Shelf in the Bay of Biscay ArchiMer
Yelekci, Ozge; Charria, Guillaume; Capet, Xavier; Reverdin, Gilles; Sudre, Joel; Yahia, Hussein.
The frontal activity in coastal regions remains a research field where a large number of open questions needs to be addressed to quantify the potential impact of these processes on dependent systems (e.g. biogeochemical activity). Spatial and seasonal distributions of Sea Surface Temperature (SST) fronts (∼1-100 km) in the vicinity of main French rivers, Gironde and Loire, are explored over the continental shelf North of 45 °N in the Bay of Biscay. A high resolution (1 km spatial and daily temporal resolutions) dataset of 11 years' (2003 to 2013) remotely sensed SST by MODIS sensor onboard Aqua and Terra satellites has been investigated and compared with coastal numerical model experiments. The detection and characterization fronts with fluctuating...
Tipo: Text Palavras-chave: Bay of Biscay; Fronts; Submesoscale; Satellite; Sea surface temperature; Singularity exponent.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00389/50013/50602.pdf
Registros recuperados: 3
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