EUREC4A_OA

Type Oceanographic cruise
Ship L'Atalante
Ship owner Ifremer
Dates 19/01/2020 - 19/02/2020
Chief scientist(s) SPEICH Sabrina ORCID

LABORATOIRE DE MÉTÉOROLOGIE DYNAMIQUE - UMR 8539

24, rue L'homond

75231 PARIS CEDEX 05

01 44 32 22 21

lmddir@lmd.polytechnique.fr

http://www.lmd.jussieu.fr/

DOI 10.17600/18000670
Objective

Ocean mesoscale eddies create specific air-sea interaction patterns that can have an integral effect on the large scale atmosphere and ocean dynamics. Recent advances in the state of the art of these processes has been predominately obtained from modeling efforts, but only very few observational studies exist, and there are all located in the extra-tropics. Adding a dedicated ocean mesoscale eddy air-sea interaction experiment to the EUREC4A campaign will enhance the objectives and success of the whole program as it sets a local, oceanic constrain to the atmospheric evolution (as been outlined in the overall EUREC4A design; Bony et al. 2017). Temporal variability over a fixed mesoscale (500 km x500 km) study area allows for sampling varying atmospheric states, on the time-scales of the EUREC4A field study. The oceanographic component that add on EUREC4A consists of four ships sampling the mesoscale ocean and air-sea exchanges at four different edges of the airborne field experiment. This will enable the extended spatial sampling required to characterize ocean variability and gather enough air-sea observations at different locations to assess with accuracy the involved processes and impacts.

The western tropical Atlantic is an ideal laboratory for the proposed study. It hosts rich ocean mesoscale variability under an atmosphere characterized by a rather steady trade wind regime. In this region, eddies have a diameter of 200 to 300 km and lifetimes of several months up to years. In particular south of Barbados, very energetic and long-lived anticyclonic North Brazil Current rings are commonly found. These eddies are key for the northward transport of properties from the South to the North Atlantic within the Atlantic Meridional Ocean Circulation. Moreover, preliminary studies based on satellite observations have suggested that they play a crucial role in air-sea interactions and on the atmosphere. This region and eddies are the focus of EUREC4A-OA, the French oceanographic component of the larger EUREC4A field experiments.

Scientific context

Published data

Metzl Nicolas, Fin Jonathan, Lo Monaco Claire, Mignon Claude, Alliouane Samir, Bombled Bruno, Boutin Jacqueline, Bozec Yann, Comeau Steeve, Conan Pascal, Coppola Laurent, Cuet Pascale, Ferreira Eva, Gattuso Jean-Pierre, Gazeau Frédéric, Goyet Catherine, Grossteffan Emilie, Lansard Bruno, Lefèvre Dominique, Lefèvre Nathalie, Leseurre Coraline, Lombard Fabien, Petton Sébastien, Pujo-Pay Mireille, Rabouille Christophe, Reverdin Gilles, Ridame Céline, Rimmelin-Maury Peggy, Ternon Jean-François, Touratier Franck, Tribollet Aline, Wagener Thibaut, Wimart-Rousseau Cathy (2024). An updated synthesis of ocean total alkalinity and dissolved inorganic carbon measurements from 1993 to 2023: the SNAPO-CO2-v2 dataset. https://doi.org/10.17882/102337


Metzl Nicolas, Fin Jonathan, Lo Monaco Claire, Mignon Claude, Alliouane Samir, Antoine David, Bourdin Guillaume, Boutin Jacqueline, Bozec Yann, Conan Pascal, Coppola Laurent, Douville Eric, Durrieu De Madron Xavier, Gattuso Jean-Pierre, Gazeau Frédéric, Golbol  Melek, Lansard Bruno, Lefèvre Dominique, Lefèvre Nathalie, Lombard Fabien, Louanchi Férial, Merlivat Liliane, Olivier Léa, Petrenko Anne, Petton Sébastien, Pujo-Pay Mireille, Rabouille Christophe, Reverdin Gilles, Ridame Céline, Tribollet Aline, Vellucci Vincenzo, Wagener Thibaut, Wimart-Rousseau Cathy (2023). A synthesis of ocean total alkalinity and dissolved inorganic carbon measurements from 1993 to 2022: the SNAPO-CO2-v1 dataset. https://doi.org/10.17882/95414


Data managed by SISMER

Bibliography

Publications

Wang Chen, Stopa Justin, Vandemark Doug, Foster Ralph, Ayet AlexORCID, Mouche AlexisORCID, Chapron BertrandORCID, Sadowski Peter (2025). A multi-tagged SAR ocean image dataset identifying atmospheric boundary layer structure in winter tradewind conditions. Geoscience Data Journal, 12(1), 1-14. Publisher's official version : https://doi.org/10.1002/gdj3.282 , Open Access version : https://archimer.ifremer.fr/doc/00926/103802/


Barabinot Yan, Speich Sabrina, Carton Xavier (2025). Assessing the thermohaline coherence of mesoscale eddies as described from in situ data. Ocean Science, 21(1), 151-179. Publisher's official version : https://doi.org/10.5194/os-21-151-2025 , Open Access version : https://archimer.ifremer.fr/doc/00935/104729/


Gauvrit Edouard, Bouin Marie-Noëlle, Delouis Jean MarcORCID, Boulanger F. (2025). Advances on the Links Between Turbulent and Submeso- to Mesoscales During EUREC4A. Earth and Space Science, 12(2), e2024EA003865 (24p.). Publisher's official version : https://doi.org/10.1029/2024EA003865 , Open Access version : https://archimer.ifremer.fr/doc/00939/105073/


Barabinot Yan, Speich Sabrina, Carton Xavier. Insights Into Mesoscale Eddy Dynamics: A Three-Dimensional Perspective on Potential Density Anomalies. ESS Open Archive IN PRESS. Publisher's official version : https://doi.org/10.22541/essoar.170158288.87102456/v2 , Open Access version : https://archimer.ifremer.fr/doc/00942/105360/


Barabinot Yan, Speich Sabrina, Carton Xavier, L'Hégaret Pierre, Subirade Corentin, Laxenaire Rémi, Karstensen Johannes. Mesoscale Dynamics and Transport in the North Brazil Current as revealed by the EUREC4A-OA experiment. EGUsphere [preprint] IN PRESS. Publisher's official version : https://doi.org/10.5194/egusphere-2025-586 , Open Access version : https://archimer.ifremer.fr/doc/00938/104995/


Coadou-Chaventon S., Speich S., Zhang D., Rocha C.B., Swart S. (2024). Oceanic Fronts Driven by the Amazon Freshwater Plume and Their Thermohaline Compensation at the Submesoscale. Journal Of Geophysical Research-oceans, 129(7), e2024JC021326 (23p.). Publisher's official version : https://doi.org/10.1029/2024JC021326 , Open Access version : https://archimer.ifremer.fr/doc/00900/101195/


Boussidi Brahim, Le Goff Clement, Galard Corentin, Carton Xavier, Speich Sabrina (2024). The Analysis of North Brazil Current Rings from Automatic Identification System Data and Altimetric Currents. Remote Sensing, 16(15), 2828 (20p.). Publisher's official version : https://doi.org/10.3390/rs16152828 , Open Access version : https://archimer.ifremer.fr/doc/00903/101467/


Napolitano Dante C., Carton Xavier, Gula Jonathan (2024). Vertical Interaction Between NBC Rings and Its Implications for South Atlantic Water Export. Journal Of Geophysical Research-oceans, 129(4), e2023JC020741 (21p.). Publisher's official version : https://doi.org/10.1029/2023JC020741 , Open Access version : https://archimer.ifremer.fr/doc/00884/99620/


Barabinot Yan, Speich Sabrina, Carton Xavier (2024). Defining Mesoscale Eddies Boundaries from In-situ Data and a Theoretical Framework. Journal Of Geophysical Research-oceans, 129(2), e2023JC020422 (32p.). Publisher's official version : https://doi.org/10.1029/2023JC020422 , Open Access version : https://archimer.ifremer.fr/doc/00828/94001/


Metzl Nicolas, Fin Jonathan, Lo Monaco Claire, Mignon Claude, Alliouane Samir, Antoine David, Bourdin Guillaume, Boutin Jacqueline, Bozec Yann, Conan Pascal, Coppola Laurent, Diaz Frédéric, Douville Eric, Durrieu De Madron Xavier, Gattuso Jean-Pierre, Gazeau Frédéric, Golbol Melek, Lansard Bruno, Lefèvre Dominique, Lefèvre Nathalie, Lombard Fabien, Louanchi Férial, Merlivat Liliane, Olivier Léa, Petrenko Anne, Petton SébastienORCID, Pujo-Pay Mireille, Rabouille Christophe, Reverdin Gilles, Ridame Céline, Tribollet Aline, Vellucci Vincenzo, Wagener Thibaut, Wimart-Rousseau Cathy (2024). A synthesis of ocean total alkalinity and dissolved inorganic carbon measurements from 1993 to 2022: the SNAPO-CO2-v1 dataset. Earth System Science Data, 16(1), 89-120. Publisher's official version : https://doi.org/10.5194/essd-16-89-2024 , Open Access version : https://archimer.ifremer.fr/doc/00859/97094/


Brilouet Pierre‐etienne, Redelsperger Jean‐luc, Bouin Marie‐noëlle, Couvreux Fleur, Villefranque Najda (2024). A numerical study of ocean surface layer response to atmospheric shallow convection: impact of cloud shading, rain and cold pool. Quarterly Journal Of The Royal Meteorological Society, 150(760), Part A. 1401-1419. Publisher's official version : https://doi.org/10.1002/qj.4651 , Open Access version : https://archimer.ifremer.fr/doc/00869/98109/


Reverdin Gilles, Olivier Léa, Cabanes CecileORCID, Boutin Jacqueline, Thouvenin-Masson Clovis, Vergely Jean-Luc, Kolodziejczyk NicolasORCID, Thierry VirginieORCID, Khvorostyanov Dmitry, Jouanno Julien (2024). Missing Argo float profiles in highly stratified waters of the Amazon river plume. Journal Of Atmospheric And Oceanic Technology, 41(3), 221-233. Publisher's official version : https://doi.org/10.1175/JTECH-D-23-0072.1 , Open Access version : https://archimer.ifremer.fr/doc/00878/98959/


Brilouet P.‐e., Bouniol D., Couvreux F., Ayet AlexORCID, Granero‐belinchon C., Lothon M., Mouche AlexisORCID (2023). Trade Wind Boundary Layer Turbulence and Shallow Precipitating Convection: New Insights Combining SAR Images, Satellite Brightness Temperature and Airborne In Situ Measurements. Geophysical Research Letters, 50(2), e2022GL102180 (10p.). Publisher's official version : https://doi.org/10.1029/2022GL102180 , Open Access version : https://archimer.ifremer.fr/doc/00812/92444/


Bailey Adriana, Aemisegger Franziska, Villiger Leonie, Los Sebastian A., Reverdin Gilles, Melendez Estefania Quinones, Acquistapace Claudia, Baranowski Dariusz B., Bock Tobias, Bony Sandrine, Bordsdorff Tobias, Coffman Derek, de Szoeke Simon P., Diekmann Christopher J., Duetsch Marina, Ertl Benjamin, Galewsky Joseph, Henze Dean, Makuch Przemyslaw, Noone David, Quinn Patricia K., Roesch Michael, Schneider Andreas, Schneider Matthias, Speich Sabrina, Stevens Bjorn, Thompson Elizabeth J. (2023). Isotopic measurements in water vapor, precipitation, and seawater during EUREC(4)A. Earth System Science Data, 15(1), 465-495. Publisher's official version : https://doi.org/10.5194/essd-15-465-2023 , Open Access version : https://archimer.ifremer.fr/doc/00855/96667/


L'Hégaret Pierre, Schütte Florian, Speich Sabrina, Reverdin Gilles, Baranowski Dariusz B., Czeschel Rena, Fischer Tim, Foltz Gregory R., Heywood Karen J., Krahmann Gerd, Laxenaire Rémi, Le Bihan CarolineORCID, Le Bot Philippe, Leizour Stephane, Rollo Callum, Schlundt Michael, Siddle Elizabeth, Subirade Corentin, Zhang Dongxiao, Karstensen Johannes (2023). Ocean cross-validated observations from R/Vs L'Atalante, Maria S. Merian, and Meteor and related platforms as part of the EUREC4A-OA/ATOMIC campaign. Earth System Science Data, 15(4), 1801-1830. Publisher's official version : https://doi.org/10.5194/essd-15-1801-2023 , Open Access version : https://archimer.ifremer.fr/doc/00835/94694/


Bellenger Hugo, Bopp Laurent, Ethe Christian, Ho David, Duvel Jean Philippe, Flavoni Simona, Guez Lionel, Kataoka Takahito, Perrot Xavier, Parc Laetitia, Watanabe Michio (2023). Sensitivity of the Global Ocean Carbon Sink to the Ocean Skin in a Climate Model. Journal Of Geophysical Research-oceans, 128(7), e2022JC019479 (22p.). Publisher's official version : https://doi.org/10.1029/2022JC019479 , Open Access version : https://archimer.ifremer.fr/doc/00941/105309/


Subirade Corentin, L'Hégaret Pierre, Speich Sabrina, Laxenaire Rémi, Karstensen Johannes, Carton Xavier (2023). Combining an Eddy Detection Algorithm with In-Situ Measurements to Study North Brazil Current Rings. Remote Sensing, 15(7), 1897 (32p.). Publisher's official version : https://doi.org/10.3390/rs15071897 , Open Access version : https://archimer.ifremer.fr/doc/00831/94258/


Fernandez Pablo, Speich Sabrina, Borgnino Matteo, Meroni Agostino N., Desbiolles Fabien, Pasquero Claudia (2023). On the importance of the atmospheric coupling to the small-scale ocean in the modulation of latent heat flux. Frontiers In Marine Science, 10, 1136558 (20p.). Publisher's official version : https://doi.org/10.3389/fmars.2023.1136558 , Open Access version : https://archimer.ifremer.fr/doc/00855/96666/


Reverdin Gilles, Waelbroeck Claire, Pierre Catherine, Akhoudas Camille, Aloisi Giovanni, Benetti Marion, Bourlès Bernard, Danielsen Magnus, Demange Jérôme, Diverrès Denis, Gascard Jean-Claude, Houssais Marie-Noëlle, Le Goff Hervé, Lherminier PascaleORCID, Lo Monaco Claire, Mercier HerleORCID, Metzl Nicolas, Morisset Simon, Naamar Aïcha, Reynaud ThierryORCID, Sallée Jean-Baptiste, Thierry VirginieORCID, Hartman Susan E., Mawji Edward M., Olafsdottir Solveig, Kanzow Torsten, Velo Anton, Voelker Antje, Yashayaev Igor, Haumann Alexander, Leng Melanie J., Arrowsmith Carol, Meredith Michael (2022). The CISE-LOCEAN seawater isotopic database (1998–2021). Earth System Science Data, 14(6), 2721-2735. Publisher's official version : https://doi.org/10.5194/essd-14-2721-2022 , Open Access version : https://archimer.ifremer.fr/doc/00750/86197/


Olivier Léa, Boutin Jacqueline, Reverdin Gilles, Lefèvre Nathalie, Landschützer Peter, Speich Sabrina, Karstensen Johannes, Ritschel Markus, Wanninkhof Rik (2022). Wintertime process study of the North Brazil Current rings reveals the region as a larger sink for CO2 than expected. Biogeosciences, 19(12), 2969-2988. Publisher's official version : https://doi.org/10.5194/bg-19-2969-2022 , Open Access version : https://archimer.ifremer.fr/doc/00738/85015/


Acquistapace C., Meroni A. N., Labbri G., Lange D., Späth F., Abbas S., Bellenger H. (2022). Fast atmospheric response to a cold oceanic mesoscale patch in the north‐western tropical Atlantic. Journal Of Geophysical Research-atmospheres, 127(21), e2022JD036799 (21p.). Publisher's official version : https://doi.org/10.1029/2022JD036799 , Open Access version : https://archimer.ifremer.fr/doc/00799/91124/


Blunden J., Boyer T. (2021). State of the Climate in 2020. Bulletin of the American Meteorological Society, 102(8), Si-S475. Publisher's official version : https://doi.org/10.1175/2021BAMSStateoftheClimate.1 , Open Access version : https://archimer.ifremer.fr/doc/00755/86744/


Reverdin G., Olivier L., Foltz G. R., Speich S., Karstensen J., Horstmann J., Zhang D., Laxenaire R., Carton Xavier, Branger H., Carrasco R., Boutin J. (2021). Formation and evolution of a freshwater plume in the northwestern tropical Atlantic in February 2020. Journal Of Geophysical Research-oceans, 126(4), e2020JC016981 (20p.). Publisher's official version : https://doi.org/10.1029/2020JC016981 , Open Access version : https://archimer.ifremer.fr/doc/00685/79670/


Bosser Pierre, Bock Olivier, Flamant Cyrille, Bony Sandrine, Speich Sabrina (2021). Integrated water vapour content retrievals from ship-borne GNSS receivers during EUREC4A. Earth System Science Data, 13(4), 1499–1517. Publisher's official version : https://doi.org/10.5194/essd-2020-282 , Open Access version : https://archimer.ifremer.fr/doc/00654/76561/


Stevens Bjorn, Bony Sandrine, Farrell David, Ament Felix, Blyth Alan, Fairall Christopher, Karstensen Johannes, Quinn Patricia K., Speich Sabrina, Acquistapace Claudia, Aemisegger Franziska, Albright Anna Lea, Bellenger Hugo, Bodenschatz Eberhard, Caesar Kathy-Ann, Chewitt-Lucas Rebecca, de Boer Gijs, Delanoe Julien, Denby Leif, Ewald Florian, Fildier Benjamin, Forde Marvin, George Geet, Gross Silke, Hagen Martin, Hausold Andrea, Heywood Karen J., Hirsch Lutz, Jacob Marek, Jansen Friedhelm, Kinne Stefan, Klocke Daniel, Kolling Tobias, Konow Heike, Lothon Marie, Mohr Wiebke, Naumann Ann Kristin, Nuijens Louise, Olivier Lea, Pincus Robert, Pohlker Mira, Reverdin Gilles, Roberts Gregory, Schnitt Sabrina, Schulz Hauke, Siebesma A. Pier, Stephan Claudia Christine, Sullivan Peter, Touze-Peiffer Ludovic, Vial Jessica, Vogel Raphaela, Zuidema Paquita, Alexander Nicola, Alves Lyndon, Arixi Sophian, Asmath Hamish, Bagheri Gholamhossein, Baier Katharina, Bailey Adriana, Baranowski Dariusz, Baron Alexandre, Barrau Sebastien, Barrett Paul A., Batier Frederic, Behrendt Andreas, Bendinger Arne, Beucher Florent, Bigorre Sebastien, Blades Edmund, Blossey Peter, Bock Olivier, Boing Steven, Bosser Pierre, Bourras Denis, Bouruet-Aubertot Pascale, Bower Keith, Branellec Pierre, Branger Hubert, Brennek Michal, Brewer Alan, Brilouet Pierre Etienne, Brugmann Bjorn, Buehler Stefan A., Burke Elmo, Burton Ralph, Calmer Radiance, Canonici Jean-Christophe, Carton Xavier, Cato Gregory, Jr., Charles Jude Andre, Chazette Patrick, Chen Yanxu, Chilinski Michal T., Choularton Thomas, Chuang Patrick, Clarke Shamal, Coe Hugh, Cornet Celine, Coutris Pierre, Couvreux Fleur, Crewell Susanne, Cronin Timothy, Cui Zhiqiang, Cuypers Yannis, Daley Alton, Damerell Gillian M., Dauhut Thibaut, Deneke Hartwig, Desbios Jean-Philippe, Dorner Steffen, Donner Sebastian, Douet Vincent, Drushka Kyla, Dutsch Marina, Ehrlich Andre, Emanuel Kerry, Emmanouilidis Alexandros, Etienne Jean-Claude, Etienne-Leblanc Sheryl, Faure Ghislain, Feingold Graham, Ferrero Luca, Fix Andreas, Flamant Cyrille, Flatau Piotr Jacek, Foltz Gregory R., Forster Linda, Furtuna Iulian, Gadian Alan, Galewsky Joseph, Gallagher Martin, Gallimore Peter, Gaston Cassandra, Gentemann Chelle, Geyskens Nicolas, Giez Andreas, Gollop John, Gouirand Isabelle, Gourbeyre Christophe, de Graaf Dorte, de Groot Geiske E., Grosz Robert, Guttler Johannes, Gutleben Manuel, Hall Kashawn, Harris George, Helfer Kevin C., Henze Dean, Herbert Calvert, Holanda Bruna, Ibanez-Landeta Antonio, Intrieri Janet, Iyer Suneil, Julien Fabrice, Kalesse Heike, Kazil Jan, Kellman Alexander, Kidane Abiel T., Kirchner Ulrike, Klingebiel Marcus, Korner Mareike, Kremper Leslie Ann, Kretzschmar Jan, Kruger Ovid, Kumala Wojciech, Kurz Armin, L'Hegaret Pierre, Labaste Matthieu, Lachlan-Cope Tom, Laing Arlene, Landschutzer Peter, Lang Theresa, Lange Diego, Lange Ingo, Laplace Clement, Lavik Gauke, Laxenaire Remi, Le Bihan CarolineORCID, Leandro Mason, Lefevre Nathalie, Lena Marius, Lenschow Donald, Li Qiang, Lloyd Gary, Los Sebastian, Losi Niccolo, Lovell Oscar, Luneau Christopher, Makuch Przemyslaw, Malinowski Szymon, Manta Gaston, Marinou Eleni, Marsden Nicholas, Masson Sebastien, Maury Nicolas, Mayer Bernhard, Mayers-Als Margarette, Mazel Christophe, McGeary Wayne, McWilliams James C., Mech Mario, Mehlmann Melina, Meroni Agostino Niyonkuru, Mieslinger Theresa, Minikin Andreas, Minnett Peter, Moller Gregor, Avalos Yanmichel Morfa, Muller Caroline, Musat Ionela, Napoli Anna, Neuberger Almuth, Noisel Christophe, Noone David, Nordsiek Freja, Nowak Jakub L., Oswald Lothar, Parker Douglas J., Peck Carolyn, Person Renaud, Philippi Miriam, Plueddemann Albert, Pohlker Christopher, Portge Veronika, Poschl Ulrich, Pologne Lawrence, Posyniak Michal, Prange Marc, Melendez Estefania Quinones, Radtke Jule, Ramage Karim, Reimann Jens, Renault Lionel, Reus Klaus, Reyes Ashford, Ribbe Joachim, Ringel Maximilian, Ritschel Markus, Rocha Cesar B., Rochetin Nicolas, Rottenbacher Johannes, Rollo Callum, Royer Haley, Sadoulet Pauline, Saffin Leo, Sandiford Sanola, Sandu Irina, Schafer Michael, Schemann Vera, Schirmacher Imke, Schlenczek Oliver, Schmidt Jerome, Schroder Marcel, Schwarzenboeck Alfons, Sealy Andrea, Senff Christoph J., Serikov Ilya, Shohan Samkeyat, Siddle Elizabeth, Smirnov Alexander, Spath Florian, Spooner Branden, Stolla M. Katharina, Szkolka Wojciech, de Szoeke Simon P., Tarot StephaneORCID, Tetoni Eleni, Thompson Elizabeth, Thomson Jim, Tomassini Lorenzo, Totems Julien, Ubele Alma Anna, Villiger Leonie, von Arx Jan, Wagner Thomas, Walther Andi, Webber Ben, Wendisch Manfred, Whitehall Shanice, Wiltshire Anton, Wing Allison A., Wirth Martin, Wiskandt Jonathan, Wolf Kevin, Worbes Ludwig, Wright Ethan, Wulfmeyer Volker, Young Shanea, Zhang Chidong, Zhang Dongxiao, Ziemen Florian, Zinner Tobias, Zoger Martin (2021). EUREC4A. Earth System Science Data, 13(8), 4067-4119. Publisher's official version : https://doi.org/10.5194/essd-13-4067-2021 , Open Access version : https://archimer.ifremer.fr/doc/00662/77410/


Stephan Claudia Christine, Žagar Nedjeljka, Shepherd Theodore G. (2021). Waves and coherent flows in the tropical atmosphere: new opportunities, old challenges. Quarterly Journal Of The Royal Meteorological Society, 147(738), 2597-2624. Publisher's official version : https://doi.org/10.1002/qj.4109 , Open Access version : https://archimer.ifremer.fr/doc/00698/81043/


References of Technical Reports

Doussin Jean-François, de Garidel-Thoron Thibault, (coord.) (2023). Prospective océan-atmosphère 2023-2028. Synthèse des ateliers du colloque de synthèse de prospective du domaine océan-atmosphère (oa) des 10-13 janvier 2023 à Autrans et des groupes de travail préparatoires.


Speich Sabrina, The Embarked Science Team (2021). EUREC4A-OA. Cruise Report. 19 January – 19 February 2020. Vessel : L’ATALANTE. https://doi.org/10.13155/80129


Johns William, Speich Sabrina (2021). Tropical Atlantic Observing System (TAOS). Review report. CLIVAR-01/2021, 218 pp. https://archimer.ifremer.fr/doc/00696/80787/


Bourras Denis, Geyskens Nicolas, Reverdin Gilles, Clémençon Aurélien, Barrois Hervé, Branger Hubert, Luneau Christopher (2020). EUREC4A-OA experiment: Air-Sea Flux Mast Data. Technical report LASIF 2020-03DB.


Branellec Pierre, Le Bihan CarolineORCID, Speich Sabrina (2020). EUREC4A 2020. CTD-O2 Data report. ODE/LOPS/20-02. https://doi.org/10.13155/79038


L'Hegaret P., S. Speich, J. Karstensen (2020). Concatenated Temperature, Salinity, and Velocity measurements from EUREC4A_OA/ATOMIC (CTD, uCTD, MVP and S-ADCP data from the R/Vs L'Atalante and Maria S. Merian). SEANOE. https://doi.org/10.17882/92071Branellec Pierre, Le Bihan Caroline, Speich Sabrina (2020). EUREC4A 2020. CTD-O2 Data report. ODE/LOPS/20-02. https://doi.org/10.13155/79038 https://doi.org/10.13155/79038

L'Hégaret P., S. Speich, J. Karstensen (2020). MVP Data 2nd QC- EUREC4A_OA/ATOMIC. SEANOE. https://doi.org/10.17882/91485

L'Hégaret P., S. Speich, J. Karstensen (2020). uCTD Data 2nd QC- EUREC4A_OA/ATOMIC. SEANOE. https://doi.org/10.17882/91352

References of International Seminar Communications

Assessing the Accuracy of Satellite-Derived and Operational Numerical Simulation Representation of Ocean Surface: Insights from the EUREC4A-OA / ATOMIC ? R Laxenaire, S Speich, P L'Hegaret, J Karstensen, E Chassignet. 2024 Ocean Sciences Meeting

Assessing the Material Coherence of Mesoscale Eddies as described from In Situ Data Y Barabinot, S Speich, X Carton, EGUsphere 2024, 1

Characterizing Mesoscale Eddies Boundaries from In-situ Data and a Theoretical Framework Y Barabinot, S Speich, XJ Carton. 2024 Ocean Sciences Meeting

Study of the mechanisms driving latent heat flux variations in the north-west Tropical Atlantic using in-situ observations. P Fernández, S Speich, D Lange, J Karstensen, D Zhang, CB Rocha 2024 Ocean Sciences Meeting

Study of the Mechanisms Driving Latent Heat Flux Variations in the North-West Tropical Atlantic Using Observations Collected during The EUREC4A-OA/ATOMIC Campaigns. P Fernández, S Speich AGU Fall Meeting Abstracts 2023 (2286), A13J-2286

Presentation of the near-real time and delayed time global database of mesoscale ocean eddies detected by TOEddies on altimetry fields and co-located with (BGC-) Argo floats R Laxenaire, A Ioannou, S Speich 2022 Ocean Surface Topography Science Team Meeting, 227

Air-sea heat and momentum fluxes measured by uncrewed surface vehicles during eurec4a/atomic D Zhang, E Thompson, C Zhang, C Fairall, C Gentemann, S Speich, ... AGU Fall Meeting Abstracts 2021, A25C-1680

The EUREC4A-Ocean/Atmosphere campaign: status J Karstensen, S Speich, L Renault, H Giordani, A Meroni, C Pasquero, ... AGU Fall Meeting Abstracts 2021, A23B-03

Air-Sea fluxes during the EUREC4A2020 Experiment D Bourras, S Stragapède, H Branger, C Luneau, S Benjeddou, ... EGU General Assembly 2024. 14-19 April 2024, Vienna, Austria & Online

Impact of mesoscale eddies on salinity and CO2 ocean parameters in the western tropical Atlantic in February 2020 L Olivier, J Boutin, N Lefèvre, G Reverdin, P Landschützer, S Speich, ... EGU General Assembly Conference Abstracts, EGU21-1253

The Amazon plume in 2020-2023: its shelf carbon budget and water origin revisited G Reverdin, L Olivier, J Boutin, C Waelbroeck, C Leseurre, P Bretel, ... EGU General Assembly Conference Abstracts, 10048

Characterization, distribution, and evolution of surface fronts in the Amazon Plume region D Napolitano, J Gula, S Coadou-Chaventon, X Carton, S Speich. EGU General Assembly Conference Abstracts, 9815

Multi-platform high resolution in situ observations for understanding mesoscale and sub-mesoscale processes and their role in the air-sea exchanges: Experiences and prospects ? S Speich, J Karstensen, X Carton, C Barbedo Rocha, H Bellenger, ... EGU General Assembly Conference Abstracts, 19188

Study of the Mechanisms Driving Latent Heat Flux Variations in the North-West Tropical Atlantic Using Observations Collected during The EUREC4A-OA/ATOMIC Campaigns. S Speich AGU23

The diurnal warm layer and its consequences for the upper ocean: from EUREC4A-OA observations and the global coupled ICON-ESM F Schuette, D Lange, D Putrasahan, R Carrasco, P L'Herguet, D Zhang, ... EGU General Assembly Conference Abstracts, EGU-16379

Lessons learned from the EUREC4A-OA experiment on the impact of ocean small scales on air-sea interactions in the Northwest Tropical Atlantic S Speich, J Karstensen, G Reverdin, L Olivier, P Fernandez, P L'Hégaret, ... EGU General Assembly Conference Abstracts, EGU-3608

Characterizing the spatial coherence of mesoscale eddies using in-situ data Y Barabinot, S Speich EGU General Assembly Conference Abstracts, EGU-558

Ocean small-scale fronts in the Northwestern Tropical Atlantic: Assessment from the EUREC4A-OA/ATOMIC field experiment S Coadou, S Speich, S Swart, C Gentemann, D Zhang, J Karstensen EGU General Assembly Conference Abstracts, EGU-726

An ertel PV characterization of mesoscale eddies boundaries Y Barabinot, S Speich, X Carton XXVIII General Assembly of the International Union of Geodesy and Geophysics ?

Air-Sea turbulent fluxes estimates from data collected with the turbulent mast at the bow of the R/V Atalante D Bourras, H Branger, G Nicolas, S Speich, G Reverdin, H Barrois, ... A short and pragmatic meeting on EUREC4-0A/ATOMIC analyses

EUREC4A-OA/ATOMIC experiment: Themohaline and dynamical descriptions of mesoscale and submesoscale structures of the Northwest Tropical Atlantic Ocean P L'Hégaret, S Speich, Y Chen, G Manta, L Olivier, G Reverdin, M Poupon, ... EGU General Assembly Conference Abstracts, EGU21-10991

Does the interior of the ocean hide a major part of the eddy field? F Schütte, I Frenger, K Burmeister, S Speich, J Karstensen EGU General Assembly Conference Abstracts, EGU21-8880

References of Contracts reports (European Union, FAO, Convention, Collectivities...)

The Joint Action Climate Science for Oceans and Climate EUREC4A-OA project

References of Atlases

Ioannou, A.; Guez, L.; Laxenaire, R.; Speich, S. Global Assessment of Mesoscale Eddies with TOEddies: Comparison Between Multiple Datasets and Colocation with In Situ Measurements. Remote Sens. 2024, 16, 4336. https://doi.org/10.3390/rs16224336

Laxenaire R., L. Guez, A. Chaigneau, M. Isic, A. Ioannou, and S. Speich (2024). TOEddies Global Mesoscale Eddy Atlas Colocated with Argo Float Profiles. SEANOE. https://doi.org/10.17882/102877

DEA or MASTER 2 using campaign data

Alessandro Storer UNIMIB Study of air-sea coupling in numerical simulations of the EUREC4A region Italian MUR 2024

David Wai Quan Chin LMD, UCT Characterizing the Vertical Structure of the mesoscale eddies CNES 2024

Vincent Mokuenko LOPS Study of deep eddy interaction with topography CNES 2024

Corentin Galard LOPS. LMD, EoDyn Use of AIS for the determination of surface currents north of Brazil CNES 2022

Jérémie Lambert LMD, LOPS Study of the small-scale ocean dynamics in the Northwest Tropical Atlantic as simulated by very high-resolution numerical simulations CNES 2022

Nicolas Michalezyk LMD Developing a detection method and assessments of subsurface ocean mesoscale eddies CNES 2022

Daniel Rudloff GEOMAR, LMD Observations of Vertical Propagation of Near Inertial Waves in a Complex Vorticity Field GEOMAR 2021

Loic Eisenring LOPS dynamics of submesoscale eddies in Demerara Bay CNES 2021

Marin Menard LOPS interaction of the Amazon plume with NBC rings CNES 2021

Armand Vic LOPS interaction of vortices under wind forcing ENS Rennes 2020

Corentin Subirade LMD, LOPS Surface and subsurface eddies in the Northwest tropical Atlantic and their role in the large scale ocean circulation Project H2020 TRIATLAS 2022

Thesis using campaign data

Yann Barabinot: Characterizing the nature and general properties of ocean eddies ENS-Paris Saclay 2025 Solange Coadou: The role of small-scale ocean processes in the uptake of heat and carbon in a changing climate ENS-Paris 2023-2025

Vic Armand (2024). Dynamics of oceanic vortex and filaments coupled with the atmosphere at mesoscale and submesoscale. PhD Thesis, Université de Bretagne Occidentale. https://archimer.ifremer.fr/doc/00928/103939/


Losi Niccolo (2024). Three-dimensional study of the atmospheric heating rate from Equator to the Arctic. PhD Thesis, Università degli Studi di Milano-Bicocca.


Lorenzo Francesco Davoli UNIMIB, U Delft A Sub-mesoscale Study of Shallow Convective Circulation and Trade-cumuli in the North-West Atlantic Tropical Region Italian Ministry of Research 2024-2026

Chouksey Ashwita (2023). Long-lived Deep Coherent Vortices in the Atlantic Ocean. PhD Thesis, Université de Bretagne Occidentale.


Panetier Aurélie (2023). Shipborne Global Navigation Satellite Systems for Offshore Atmospheric Water Vapor Monitoring. PhD Thesis, ENSTA Bretagne.


Olivier Léa (2023). Rôle de la mésoéchelle dans l'océan Atlantique tropical sur la salinité et les flux air-mer de CO2. PhD Thesis, Université Sorbonne.


Colin Aurélien (2022). On the use of deep learning for ocean SAR image semantic segmentation. PhD Thesis, IMT Atlantique.


Armand Vic: Vortex Océaniques Couplés avec l'Atmosphère a Meso Echelle (VOCA ME) / oceanic vortices coupled with the atmosphere at mesoscale. ENS Rennes 2022-2024

Pablo Fernandez: Assessing the role of small-scale ocean dynamics on air-sea interactions taking advantage of the unprecedented observational and modelling EUREC4A-OA efforts in the northwest Tropical Atlantic ocean. French Ministry of Research 2022-2024

Niccolò Losi UNIMIB Three-dimensional study of the atmospheric heating rate from Equator to the Arctic Italian Ministry of Research2021-2024

Ashwita Chouksey: Long-lived deep coherent vortices in the Atlantic Ocean ANR 2020-2023 Fabius Cedric Kouogang Tchuenkam Federal University of Pernambuco, LEGOS, LOPS Internal tides interactions with eddies and currents off the Amazon shelf. 2024-2027

Léa Olivier: Role of the ocean mesoscale dynamics in the tropical Atlantic Ocean on salinity and air-sea CO2 fluxes French Ministry of Research 2020-2023