8 results on '"Legoff, Hervé"'
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2. Multi-scale observations of deep convection in the northwestern Mediterranean Sea during winter 2012-2013 using multiple platforms
- Author
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Testor, Pierre, Bosse, Anthony, Houpert, Loïc, Margirier, Félix, Mortier, Laurent, Legoff, Hervé, Dausse, Denis, Labaste, Matthieu, Karstensen, Johannes, Hayes, Daniel, Olita, Antonio, Ribotti, Alberto, Schroeder, Katrin, Chiggiato, Jacopo, Onken, Reiner, Heslop, Emma, Mourre, Baptiste, D'ortenzio, Fabrizio, Mayot, Nicolas, Lavigne, Héloise, de Fommervault, Orens, Coppola, Laurent, Prieur, Louis, Taillandier, Vincent, Durrieu de Madron, Xavier, Bourrin, Francois, Many, Gael, Damien, Pierre, Estournel, Claude, Marsaleix, Patrick, Taupier-Letage, Isabelle, Raimbault, Patrick, Waldman, Robin, Bouin, Marie Noelle, Giordani, Hervé, Caniaux, Guy, Somot, Samuel, Ducrocq, Véronique, Conan, Pascal, Variabilité de l'Océan et de la Glace de mer (VOG), Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN), Institut Pierre-Simon-Laplace (IPSL (FR_636)), École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-Institut de Recherche pour le Développement (IRD)-Muséum national d'Histoire naturelle (MNHN)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Institut Pierre-Simon-Laplace (IPSL (FR_636)), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-Institut de Recherche pour le Développement (IRD)-Muséum national d'Histoire naturelle (MNHN)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU), Bjerknes Centre for Climate Research (BCCR), Department of Biological Sciences [Bergen] (BIO / UiB), University of Bergen (UiB)-University of Bergen (UiB), Scottish Association for Marine Science (SAMS), Développement Instrumental et Techniques Marines (DITM), Leibniz-Institut für Meereswissenschaften (IFM-GEOMAR), Cyprus Oceanography Center, University of Cyprus (UCY), CNR Institute for Coastal Marine Environment (IAMC), Consiglio Nazionale delle Ricerche (CNR), Istituto di Science Marine (ISMAR ), Helmholtz-Zentrum Geesthacht (GKSS), SOCIB Balearic Islands Coastal Ocean Observing and Forecasting System, Laboratoire d'océanographie de Villefranche (LOV), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut de la Mer de Villefranche (IMEV), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Centre de Formation et de Recherche sur les Environnements Méditérranéens (CEFREM), Université de Perpignan Via Domitia (UPVD)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'aérologie (LAERO), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS), Institut méditerranéen d'océanologie (MIO), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), Centre national de recherches météorologiques (CNRM), Institut national des sciences de l'Univers (INSU - CNRS)-Météo France-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Océanographie Microbienne (LOMIC), Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire océanologique de Banyuls (OOB), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS), Bio-Argo project (CNES-TOSCA), COST Action ES0904 ‘‘EGO’’ (Everyone’s Gliding Observatories), MISTRALS, ANR-12-BS06-0003,ASICS-MED,Couplage Océan-Atmosphère en présence de structures de Submésoéchelle(2012), ANR-10-EQPX-0040,NAOS,Observations de l'océan global pour l'étude et la prévision de l'océan et du climat: préparation de la nouvelle décennie d'Argo(2010), European Project: 284321,EC:FP7:INFRA,FP7-INFRASTRUCTURES-2011-1,GROOM(2011), European Project: 287600,EC:FP7:ENV,FP7-OCEAN-2011,PERSEUS(2012), European Project: 262584,EC:FP7:INFRA,FP7-INFRASTRUCTURES-2010-1,JERICO(2011), Centre National de la Recherche Scientifique (CNRS)-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées, Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)), École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), University of Cyprus [Nicosia] (UCY), National Research Council of Italy | Consiglio Nazionale delle Ricerche (CNR), Université de Perpignan Via Domitia (UPVD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Université de Toulouse (UT)-Université de Toulouse (UT)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), and Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Observatoire océanologique de Banyuls (OOB)
- Subjects
0106 biological sciences ,Ocean observations ,010504 meteorology & atmospheric sciences ,oceanic deep convection ,ocean observation ,Oceanography ,01 natural sciences ,Symmetric instability ,Deep convection ,Mediterranean sea ,symmetric instability ,Geochemistry and Petrology ,plumes ,Mediterranean Sea ,Earth and Planetary Sciences (miscellaneous) ,14. Life underwater ,[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography ,Argo ,0105 earth and related environmental sciences ,energy and buoyancy fluxes ,010604 marine biology & hydrobiology ,Plumes ,Ocean observation ,Mooring ,Energy and buoyancy fluxes ,Geophysics ,Oceanic deep convection ,Eddy ,13. Climate action ,Space and Planetary Science ,Climatology ,Thermohaline circulation ,eddies ,Bloom ,Eddies ,Geology - Abstract
International audience; During winter 2012–2013, open‐ocean deep convection which is a major driver for the thermohaline circulation and ventilation of the ocean, occurred in the Gulf of Lions (Northwestern Mediterranean Sea) and has been thoroughly documented thanks in particular to the deployment of several gliders, Argo profiling floats, several dedicated ship cruises, and a mooring array during a period of about a year. Thanks to these intense observational efforts, we show that deep convection reached the bottom in winter early in February 2013 in a area of maximum 28 ± 3 109 m2. We present new quantitative results with estimates of heat and salt content at the subbasin scale at different time scales (on the seasonal scale to a 10 days basis) through optimal interpolation techniques, and robust estimates of the deep water formation rate of 2.0 ± 0.2 Sv. We provide an overview of the spatiotemporal coverage that has been reached throughout the seasons this year and we highlight some results based on data analysis and numerical modeling that are presented in this special issue. They concern key circulation features for the deep convection and the subsequent bloom such as Submesoscale Coherent Vortices (SCVs), the plumes, and symmetric instability at the edge of the deep convection area.
- Published
- 2018
- Full Text
- View/download PDF
3. Multiscale observations of deep convection in the northwestern mediterranean sea during winter 2012-2013 using multiple platforms
- Author
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Testor, Pierre, Bosse, Anthony, Houpert, Loïc, Margirier, Félix, Mortier, Laurent, Legoff, Hervé, Dausse, Denis, Labaste, Matthieu, Karstensen, Johannes, Hayes, Daniel, Olita, Antonio, Ribotti, Alberto, Schroeder, Katrin, Chiggiato, Jacopo, Onken, Reiner, Heslop, Emma, Mourre, Baptiste, D'ortenzio, Fabrizio, Mayot, Nicolas, Lavigne, Héloise, de Fommervault, Orens, Coppola, Laurent, Prieur, Louis, Taillandier, Vincent, Durrieu de Madron, Xavier, Bourrin, Francois, Many, Gael, Damien, Pierre, Estournel, Claude, Marsaleix, Patrick, Taupier-Letage, Isabelle, Raimbault, Patrick, Waldman, Robin, Bouin, Marie-Noelle, Giordani, Hervé, Caniaux, Guy, Somot, Samuel, Ducrocq, Véronique, Conan, Pascal, Testor, Pierre, Bosse, Anthony, Houpert, Loïc, Margirier, Félix, Mortier, Laurent, Legoff, Hervé, Dausse, Denis, Labaste, Matthieu, Karstensen, Johannes, Hayes, Daniel, Olita, Antonio, Ribotti, Alberto, Schroeder, Katrin, Chiggiato, Jacopo, Onken, Reiner, Heslop, Emma, Mourre, Baptiste, D'ortenzio, Fabrizio, Mayot, Nicolas, Lavigne, Héloise, de Fommervault, Orens, Coppola, Laurent, Prieur, Louis, Taillandier, Vincent, Durrieu de Madron, Xavier, Bourrin, Francois, Many, Gael, Damien, Pierre, Estournel, Claude, Marsaleix, Patrick, Taupier-Letage, Isabelle, Raimbault, Patrick, Waldman, Robin, Bouin, Marie-Noelle, Giordani, Hervé, Caniaux, Guy, Somot, Samuel, Ducrocq, Véronique, and Conan, Pascal
- Abstract
During winter 2012–2013, open‐ocean deep convection which is a major driver for the thermohaline circulation and ventilation of the ocean, occurred in the Gulf of Lions (Northwestern Mediterranean Sea) and has been thoroughly documented thanks in particular to the deployment of several gliders, Argo profiling floats, several dedicated ship cruises, and a mooring array during a period of about a year. Thanks to these intense observational efforts, we show that deep convection reached the bottom in winter early in February 2013 in a area of maximum 28 ± 3 . We present new quantitative results with estimates of heat and salt content at the subbasin scale at different time scales (on the seasonal scale to a 10 days basis) through optimal interpolation techniques, and robust estimates of the deep water formation rate of 2.0 . We provide an overview of the spatiotemporal coverage that has been reached throughout the seasons this year and we highlight some results based on data analysis and numerical modeling that are presented in this special issue. They concern key circulation features for the deep convection and the subsequent bloom such as Submesoscale Coherent Vortices (SCVs), the plumes, and symmetric instability at the edge of the deep convection area.
- Published
- 2018
4. Hydrography and biogeochemistry dedicated to the Mediterranean BGC-Argo network during a cruise with RV <i>Tethys 2</i> in May 2015
- Author
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Taillandier, Vincent, primary, Wagener, Thibaut, additional, D'Ortenzio, Fabrizio, additional, Mayot, Nicolas, additional, Legoff, Hervé, additional, Ras, Joséphine, additional, Coppola, Laurent, additional, Pasqueron de Fommervault, Orens, additional, Schmechtig, Catherine, additional, Diamond, Emilie, additional, Bittig, Henry, additional, Lefevre, Dominique, additional, Leymarie, Edouard, additional, Poteau, Antoine, additional, and Prieur, Louis, additional
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- 2018
- Full Text
- View/download PDF
5. Multiscale Observations of Deep Convection in the Northwestern Mediterranean Sea During Winter 2012-2013 Using Multiple Platforms
- Author
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Testor, Pierre, primary, Bosse, Anthony, additional, Houpert, Loïc, additional, Margirier, Félix, additional, Mortier, Laurent, additional, Legoff, Hervé, additional, Dausse, Denis, additional, Labaste, Matthieu, additional, Karstensen, Johannes, additional, Hayes, Daniel, additional, Olita, Antonio, additional, Ribotti, Alberto, additional, Schroeder, Katrin, additional, Chiggiato, Jacopo, additional, Onken, Reiner, additional, Heslop, Emma, additional, Mourre, Baptiste, additional, D'ortenzio, Fabrizio, additional, Mayot, Nicolas, additional, Lavigne, Héloise, additional, de Fommervault, Orens, additional, Coppola, Laurent, additional, Prieur, Louis, additional, Taillandier, Vincent, additional, Durrieu de Madron, Xavier, additional, Bourrin, Francois, additional, Many, Gael, additional, Damien, Pierre, additional, Estournel, Claude, additional, Marsaleix, Patrick, additional, Taupier-Letage, Isabelle, additional, Raimbault, Patrick, additional, Waldman, Robin, additional, Bouin, Marie-Noelle, additional, Giordani, Hervé, additional, Caniaux, Guy, additional, Somot, Samuel, additional, Ducrocq, Véronique, additional, and Conan, Pascal, additional
- Published
- 2018
- Full Text
- View/download PDF
6. Hydrography in the Mediterranean Sea during a cruise with RV Tethys 2 in May 2015
- Author
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Taillandier, Vincent, primary, Wagener, Thibaut, additional, D'Ortenzio, Fabrizio, additional, Mayot, Nicolas, additional, Legoff, Hervé, additional, Ras, Joséphine, additional, Coppola, Laurent, additional, Pasqueron de Fommervault, Orens, additional, Schmechtig, Catherine, additional, Diamond, Emilie, additional, Bittig, Henry, additional, Lefevre, Dominique, additional, Leymarie, Edouard, additional, Poteau, Antoine, additional, and Prieur, Louis, additional
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- 2017
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7. Stable isotopes in the atmospheric marine boundary layer water vapour over the Atlantic Ocean, 2012–2015
- Author
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Benetti, Marion, primary, Steen-Larsen, Hans Christian, additional, Reverdin, Gilles, additional, Sveinbjörnsdóttir, Árný Erla, additional, Aloisi, Giovanni, additional, Berkelhammer, Max B., additional, Bourlès, Bernard, additional, Bourras, Denis, additional, de Coetlogon, Gaëlle, additional, Cosgrove, Ann, additional, Faber, Anne-Katrine, additional, Grelet, Jacques, additional, Hansen, Steffen Bo, additional, Johnson, Rod, additional, Legoff, Hervé, additional, Martin, Nicolas, additional, Peters, Andrew J., additional, Popp, Trevor James, additional, Reynaud, Thierry, additional, and Winther, Malte, additional
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- 2017
- Full Text
- View/download PDF
8. Hydrography in the Mediterranean Sea during a cruise with RV Tethys 2 in May 2015.
- Author
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Taillandier, Vincent, Wagener, Thibaut, D'Ortenzio, Fabrizio, Mayot, Nicolas, Legoff, Hervé, Ras, Joséphine, Coppola, Laurent, de Fommervault, Orens Pasqueron, Schmechtig, Catherine, Diamond, Emilie, Bittig, Henry, Lefevre, Dominique, Leymarie, Edouard, Poteau, Antoine, and Prieur, Louis
- Subjects
HYDROGRAPHY ,OCEAN travel ,MARINE ecology - Abstract
We report on data from an oceanographic cruise, covering western, central and eastern parts of the Mediterranean Sea, on the French research vessel Tethys 2 in May 2015. This cruise was fully dedicated to the maintenance and the metrological verification of a biogeochemical observing system based on a fleet of BGC-Argo floats. During the cruise, a comprehensive dataset of parameters sensed by the autonomous network was collected. The measurements include ocean currents, seawater salinity and temperature, concentration of inorganic nutrients, of dissolved oxygen, and chlorophyll pigments. The analytical protocols and data processing methods are detailed, together with a first assessment of the calibration state for all the sensors deployed during the cruise. Data collected at stations are available under http://doi.org/10.17882/51678, data collected along ship track are available under http://doi.org/10.17882/51691. [ABSTRACT FROM AUTHOR]
- Published
- 2017
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