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

X. Durrieu De Madron, L. Houpert, P. Puig, A. Sanchez-vidal, P. Testor, A. Bosse, C. Estournel, S. Somot, F. Bourrin, M. N. Bouin, M. Beauverger, L. Beguery, A. Calafat, M. Canals, C. Cassou, L. Coppola, D. Dausse, F. D'ortenzio, J. Font, S. HeussnerS. Kunesch, D. Lefevre, H. Le Goff, J. Mart??n, L. Mortier, A. Palanques, P. Raimbault

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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.
Original languageEnglish
Pages (from-to)1379-1385
Number of pages6
JournalGeophysical Research Letters
Volume40
Issue number7
Early online date15 Apr 2013
DOIs
Publication statusPublished - 27 Apr 2013

Keywords

  • Dense water formation
  • Mediterranean Sea
  • Open-sea convection
  • Dense shelf water cascading

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    Durrieu De Madron, X., Houpert, L., Puig, P., Sanchez-vidal, A., Testor, P., Bosse, A., Estournel, C., Somot, S., Bourrin, F., Bouin, M. N., Beauverger, M., Beguery, L., Calafat, A., Canals, M., Cassou, C., Coppola, L., Dausse, D., D'ortenzio, F., Font, J., ... Raimbault, P. (2013). Interaction of dense shelf water cascading and open-sea convection in the northwestern Mediterranean during winter 2012. Geophysical Research Letters, 40(7), 1379-1385. https://doi.org/10.1002/grl.50331