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Interaction of dense shelf water cascading and open-sea convection in the northwestern Mediterranean during winter 2012

Xavier Durrieu de Madron 1 Loïc Houpert 1 Pere Puig 2 A. Sanchez-Vidal 3 Pierre Testor 4 Anthony Bosse 5 Claude Estournel 6 Samuel Somot 7 François Bourrin 8 Marie-Noëlle Bouin 9 Mickael Beauverger 10 Laurent Béguery 11 Antoni Calafat 3 Miquel Canals 3 Christophe Cassou 12 Laurent Coppola 13 Denis Dausse 10 Fabrizio d'Ortenzio 14 Jordi Font 2 Serge Heussner 1 Stéphane Kunesch 1 Dominique Lefèvre 15 Hervé Le Goff 10 Jacobo Martín 2 Laurent Mortier 4 Albert Palanques 2 Patrick Raimbault 15
Abstract : The winter of 2012 experienced peculiar atmospheric conditions that triggered a massive formation of dense water on the continental shelf and in the deep basin of the Gulf of Lions. Multiplatforms observations enabled a synoptic view of dense water formation and spreading at basin scale. Five months after its formation, the dense water of coastal origin created a distinct bottom layer up to a few hundreds of meters thick over the central part of the NW Mediterranean basin, which was overlaid by a layer of newly formed deep water produced by open-sea convection. These new observations highlight the role of intense episodes of both dense shelf water cascading and open-sea convection to the progressive modification of the NW Mediterranean deep waters.
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https://hal.archives-ouvertes.fr/hal-00873390
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Submitted on : Friday, April 9, 2021 - 10:27:45 AM
Last modification on : Monday, May 16, 2022 - 8:20:30 AM
Long-term archiving on: : Monday, July 12, 2021 - 9:21:04 AM

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Xavier Durrieu de Madron, Loïc Houpert, Pere Puig, A. Sanchez-Vidal, Pierre Testor, et al.. Interaction of dense shelf water cascading and open-sea convection in the northwestern Mediterranean during winter 2012. Geophysical Research Letters, American Geophysical Union, 2013, 40 (7), pp.1379-1385. ⟨10.1002/GRL.50331⟩. ⟨hal-00873390⟩

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