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

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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Submitted on : Tuesday, October 15, 2013 - 3:37:20 PM
Last modification on : Thursday, July 18, 2019 - 5:20:06 PM

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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, pp.1379-1385. ⟨10.1002/GRL.50331⟩. ⟨hal-00873390⟩

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