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doi:10.5194/osd-7-739-2010
© Author(s) 2010. This work is distributed
under the Creative Commons Attribution 3.0 License.
 
24 Mar 2010
Review status
This discussion paper has been under review for the journal Ocean Science (OS). The revised manuscript was not accepted.
Rapid subduction in the deep North Western Mediterranean
J. A. Aguilar1, A. Albert2, M. Anghinolfi3, G. Anton4, S. Anvar5, M. Ardid6, A. C. Assis Jesus7, T. Astraatmadja7,35, J.-J. Aubert8, R. Auer4, B. Baret9, S. Basa10, M. Bazzotti11,12, V. Bertin8, S. Biagi11,12, C. Bigongiari1, M. Bou-Cabo6, M. C. Bouwhuis7, A. Brown8, J. Brunner8,*, J. Busto8, F. Camarena6, A. Capone13,14, G. Carminati11,12, J. Carr8, D. Castel2, E. Castorina15,16, V. Cavasinni15,16, S. Cecchini12,17, Ph. Charvis18, T. Chiarusi12, M. Circella19, R. Coniglione20, H. Costantini3, N. Cottini21, P. Coyle8, C. Curtil8, G. De Bonis13,14, M. P. Decowski7, I. Dekeyser22, A. Deschamps18, C. Distefano20, C. Donzaud9,23, D. Dornic1,8, D. Drouhin2, T. Eberl4, U. Emanuele1, J.-P. Ernenwein8, S. Escoffier8, F. Fehr4, V. Flaminio15,16, K. Fratini3,24, U. Fritsch4, J.-L. Fuda22, G. Giacomelli11,12, J. P. Gómez-González1, K. Graf4, G. Guillard25, G. Halladjian8, G. Hallewell8, H. van Haren26, A. J. Heijboer7, Y. Hello18, J. J. Hernández-Rey1, J. Hößl4, M. de Jong7,35, N. Kalantar-Nayestanaki27, O. Kalekin4, A. Kappes4, U. Katz4, P. Kooijman7,28,29, C. Kopper4, A. Kouchner9, W. Kretschmer4, R. Lahmann4, P. Lamare5, G. Lambard8, G. Larosa6, H. Laschinsky4, D. Lefèvre22, G. Lelaizant8, G. Lim7,29, D. Lo Presti30, H. Loehner27, S. Loucatos21, F. Lucarelli13,14, K. Lyons25, S. Mangano1, M. Marcelin10, A. Margiotta11,12, J. A. Martinez-Mora6, G. Maurin21, A. Mazure10, M. Melissas8, T. Montaruli19,31, M. Morganti15,16, L. Moscoso9,21, H. Motz4, C. Naumann21, M. Neff4, R. Ostasch4, G. Palioselitis7, G. E. Păvălaş32, P. Payre8, J. Petrovic7, P. Piattelli20, N. Picot-Clemente8, C. Picq21, R. Pillet18, V. Popa32, T. Pradier25, E. Presani7, C. Racca2, A. Radu32, C. Reed7,8, G. Riccobene20, C. Richardt4, M. Rujoiu32, G. V. Russo30, F. Salesa1, F. Schoeck4, J.-P. Schuller21, R. Shanidze4, F. Simeone14, M. Spurio11,12, J. J. M. Steijger7, Th. Stolarczyk21, C. Tamburini22, L. Tasca10, I. Taupier-Letage34,**, S. Toscano1, B. Vallage21, V. Van Elewyck9, M. Vecchi13, P. Vernin21, G. Wijnker7, E. de Wolf7,29, H. Yepes1, D. Zaborov33, J. D. Zornoza1, and J. Zúñiga1 1IFIC – Instituto de Física Corpuscular, Edificios Investigación de Paterna, CSIC – Universitat de València, Apdo. de Correos 22085, 46071 Valencia, Spain
2GRPHE – Institut universitaire de technologie de Colmar, 34 rue du Grillenbreit BP 50568 – 68008 Colmar, France
3Dipartimento di Fisica dell'Università e Sezione INFN, Via Dodecaneso 33, 16146 Genova, Italy
4Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, Germany
5Direction des Sciences de la Matière – Institut de recherche sur les lois fondamentales de l'Univers Service d'Electronique des Détecteurs et d'Informatique, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France
6Institut d'Investigación per a la Gestío Integrada de les Zones Costaneres (IGIC) – Universitat Politècnica de València. C/Paranimf, 1., 46730 Gandia, Spain
7FOM Instituut voor Subatomaire Fysica Nikhef, Science Park 105, 1098 XG Amsterdam, The Netherlands
8CPPM – Centre de Physique des Particules de Marseille, CNRS/IN2P3 et Université de la Méditerranée, 163 Avenue de Luminy, Case 902, 13288 Marseille Cedex 9, France
9APC – Laboratoire AstroParticule et Cosmologie, UMR 7164 (CNRS, Université Paris 7 Diderot, CEA, Observatoire de Paris) 10, rue Alice Domon et L'eonie Duquet 75205 Paris Cedex 13, France
10LAM – Laboratoire d'Astrophysique de Marseille, CNRS/INSU et Université de Provence, Traverse du Siphon – Les Trois Lucs, BP 8, 13012 Marseille Cedex 12, France
11Dipartimento di Fisica dell'Università e Sezione INFN, Viale Berti Pichat 6/2, 40127 Bologna, Italy
12INFN – Sezione di Bologna, Viale Berti Pichat 6/2, 40127 Bologna, Italy
13Dipartimento di Fisica dell'Università La Sapienza, P. le Aldo Moro 2, 00185 Roma, Italy
14INFN – Sezione di Roma, P. le Aldo Moro 2, 00185 Roma, Italy
15Dipartimento di Fisica dell'Università, Largo B. Pontecorvo 3, 56127 Pisa, Italy
16INFN – Sezione di Pisa, Largo B. Pontecorvo 3, 56127 Pisa, Italy
17INAF-IASF, via P. Gobetti 101, 40129 Bologna, Italy
18GéoSciences Azur, CNRS/INSU, IRD, Université de Nice Sophia-Antipolis, Université Pierre et Marie Curie – Observatoire Océanologique de Villefranche, BP48, 2 quai de la Darse, 06235 Villefranche-sur-Mer Cedex, France
19INFN – Sezione di Bari, Via E. Orabona 4, 70126 Bari, Italy
20INFN – Laboratori Nazionali del Sud (LNS), Via S. Sofia 44, 95123 Catania, Italy
21Direction des Sciences de la Matière – Institut de recherche sur les lois fondamentales de l'Univers-Service de Physique des Particules, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France
22COM – Centre dOcéanologie de Marseille, CNRS/INSU et Université de la Méditerranée, 163 Avenue de Luminy, Case 901, 13288 Marseille Cedex 9, France
23Université Paris-Sud 11 – Département de Physique – 91403 Orsay Cedex, France
24Dipartimento di Fisica dell'Università, Via Dodecaneso, 16146 Genova, Italy
25IPHC – Institut Pluridisciplinaire Hubert Curien, Université de Strasbourg et IN2P3/CNRS, 23 rue du Loess, BP 28, 67037 Strasbourg Cedex 2, France
26Royal Netherlands Institute for Sea Research (NIOZ), Landsdiep 4, 1797 SZ 't Horntje (Texel), The Netherlands
27Kernfysisch Versneller Instituut (KVI), University of Groningen, Zernikelaan 25, 9747 AA Groningen, The Netherlands
28Universiteit Utrecht, Faculteit Betawetenschappen, Princetonplein 5, 3584 CC Utrecht, The Netherlands
29Universteit van Amsterdam, Institut voor Hoge-Energiefysika, Science Park 105, 1098 XG Amsterdam, The Netherlands
30Dipartimento di Fisica ed Astronomia dell'Università, Viale Andrea Doria 6, 95125 Catania, Italy
31University of Wisconsin – Madison, 53715, WI, USA
32Institute for Space Sciences, 77125 Bucharest, Mágurele, Romania
33ITEP – Institute for Theoretical and Experimental Physics, B. Cheremushkinskaya 25, 117218 Moscow, Russia
34Laboratoire d'Oceanographie Physique et de Biogeochimie (LOPB), CNRS UMR 6535 Université de la Mediterranée, Centre d'Oceanologie de Marseille, Antenne de Toulon c/o IFREMER, BP 330, 83507 La Seyne, France
35University of Leiden, The Netherlands
*on leave from: DESY, Platanenallee 6, 15738 Zeuthen, Germany
**not member of the ANTARES collaboration, but contributor to this paper
Abstract. An Acoustic Doppler Current Profiler (ADCP) moored at the deep-sea ANTARES neutrino telescope site near Toulon, France, measured downward vertical currents of amplitudes up to 0.03 m s−1 in spring 2006. The currents were accompanied by enhanced levels of acoustic reflection by a factor of about 10 and by horizontal currents reaching 0.35 m s−1. These observations coincided with high levels of bioluminescence detected by the telescope. Although during winter 2006 deep dense-water formation occurred in this area, episodes of high levels of suspended particles and large vertical currents continuing into the summer are not direct evidence of this process. It is hypothesized that the main process allowing for particles to be moved across the entire water column (2500 m) within a few days, is local convection, triggered by small-mesoscale phenomena, such as meanders including a bipolar vortex, linked with boundary current instabilities.

Citation: Aguilar, J. A., Albert, A., Anghinolfi, M., Anton, G., Anvar, S., Ardid, M., Assis Jesus, A. C., Astraatmadja, T., Aubert, J.-J., Auer, R., Baret, B., Basa, S., Bazzotti, M., Bertin, V., Biagi, S., Bigongiari, C., Bou-Cabo, M., Bouwhuis, M. C., Brown, A., Brunner, J., Busto, J., Camarena, F., Capone, A., Carminati, G., Carr, J., Castel, D., Castorina, E., Cavasinni, V., Cecchini, S., Charvis, Ph., Chiarusi, T., Circella, M., Coniglione, R., Costantini, H., Cottini, N., Coyle, P., Curtil, C., De Bonis, G., Decowski, M. P., Dekeyser, I., Deschamps, A., Distefano, C., Donzaud, C., Dornic, D., Drouhin, D., Eberl, T., Emanuele, U., Ernenwein, J.-P., Escoffier, S., Fehr, F., Flaminio, V., Fratini, K., Fritsch, U., Fuda, J.-L., Giacomelli, G., Gómez-González, J. P., Graf, K., Guillard, G., Halladjian, G., Hallewell, G., van Haren, H., Heijboer, A. J., Hello, Y., Hernández-Rey, J. J., Hößl, J., de Jong, M., Kalantar-Nayestanaki, N., Kalekin, O., Kappes, A., Katz, U., Kooijman, P., Kopper, C., Kouchner, A., Kretschmer, W., Lahmann, R., Lamare, P., Lambard, G., Larosa, G., Laschinsky, H., Lefèvre, D., Lelaizant, G., Lim, G., Lo Presti, D., Loehner, H., Loucatos, S., Lucarelli, F., Lyons, K., Mangano, S., Marcelin, M., Margiotta, A., Martinez-Mora, J. A., Maurin, G., Mazure, A., Melissas, M., Montaruli, T., Morganti, M., Moscoso, L., Motz, H., Naumann, C., Neff, M., Ostasch, R., Palioselitis, G., Păvălaş, G. E., Payre, P., Petrovic, J., Piattelli, P., Picot-Clemente, N., Picq, C., Pillet, R., Popa, V., Pradier, T., Presani, E., Racca, C., Radu, A., Reed, C., Riccobene, G., Richardt, C., Rujoiu, M., Russo, G. V., Salesa, F., Schoeck, F., Schuller, J.-P., Shanidze, R., Simeone, F., Spurio, M., Steijger, J. J. M., Stolarczyk, Th., Tamburini, C., Tasca, L., Taupier-Letage, I., Toscano, S., Vallage, B., Van Elewyck, V., Vecchi, M., Vernin, P., Wijnker, G., de Wolf, E., Yepes, H., Zaborov, D., Zornoza, J. D., and Zúñiga, J.: Rapid subduction in the deep North Western Mediterranean, Ocean Sci. Discuss., 7, 739-756, doi:10.5194/osd-7-739-2010, 2010.
J. A. Aguilar et al.
Interactive discussionStatus: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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RC C151: 'Review', David Smeed, 14 Apr 2010 Printer-friendly Version 
AC C215: 'ReplyRef1', Hans van Haren, 10 May 2010 Printer-friendly Version 
 
RC C276: 'Review', Peter Rhines, 15 Jun 2010 Printer-friendly Version 
AC C286: 'ReplyRef2', Hans van Haren, 22 Jun 2010 Printer-friendly Version 
J. A. Aguilar et al.
J. A. Aguilar et al.

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