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| Stevens, Bjorn; Bony, Sandrine; Farrell, David; Ament, Felix; Blyth, Alan M.; Fairall, Christopher W.; 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; Delanoë, Julien; Denby, Leif Christopher; 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; Kölling, Tobias; Konow, Heike; Lothon, Marie; Mohr, Wiebke; Naumann, Ann Kristin; Nuijens, Louise; Olivier, Léa; Pincus, Robert; Pöhlker, Mira L.; Reverdin, Gilles; Roberts, Gregory; Schnitt, Sabrina; Schulz, Hauke; Siebesma, Pier; Stephan, Caroline; Sullivan, Peter P; Touzé-peiffer, Ludovic; Vial, Jessica; Vogel, Raphaela; Zuidema, Paquita; Alexander, Nicola; Alves, Lyndon; Arixi, Sophian; Asmath, Hamish; Bagheri, Gholamhossein; Baier, Katharina; Bailey, Adriana; Baranowski, Dariusz B.; Baron, Aurelie; Barrau, Sébastien; Barrett, Paul Alan; Batier, Frédéric; Behrendt, Andreas; Bendinger, Arne; Beucher, Florent; Bigorre, Sebastien; Blades, Edmund; Blossey, P; Bock, Olivier; Boeing, Steven J; Bosser, Pierre; Bourras, Denis; Bouruet-aubertot, Pascale; Bower, Keith; Branellec, Pierre; Branger, Hubert; Brennek, Michal; Brewer, Alan; Brilouet, Pierre Etienne; Brügmann, Björn; Buehler, Stefan Alexander; Burke, Elmo; Burton, Ralph; Calmer, Radiance; Canonici, Jean-christophe; Carton, Xavier; Cato, Gregory; Charles, Jude Andre; Chazette, Patrick; Chen, Yanxu; Chilinski, Michal T; Choularton, Tom; Chuang, Patrick Y.; Clarke, Shamal; Coe, Hugh; Cornet, Cas; Coutris, Pierre; Couvreux, Fleur; Crewell, Susanne; Cronin, Timothy Wallace; Cui, Zhiqiang; Cuypers, Yannis; Daley, Alton; Damerell, Gillian Mary; Dauhut, Thibaut; Deneke, Hartwig M; Desbios, Jean-philippe; Dörner, Steffen; Donner, Sebastian; Douet, Vincent; Drushka, Kyla; Dütsch, Marina; Ehrlich, André; Emanual, Kerry; Emmanouilidis, Alexandros; Etienne, Jean-claude; Etienne-leblanc, Sheryl; Faure, Ghislain; Feingold, Graham; Ferrero, Luca; Fix, Andreas; Flamant, Cyrille; Flatau, Piotr J.; Foltz, Gregory R.; Forster, Linda; Furtuna, Iulian; Gadian, Alan; Galewsky, Joseph; Gallagher, Martin; Gallimore, Peter; Gaston, Cassandra J.; Gentemann, Chelle; Geyskens, Nicolas; Giez, Andreas; Gollop, John; Gouirand, Isabelle; Gourbeyre, Christophe; De Graaf, Dörte; De Groot, Geiske E.; Grosz, Robert; Güttler, Johannes; Gutleben, Manuel; Hall, Kashawn; Harris, George; Helfer, Kevin Christopher; Henze, Dean; Herbert, Calvert; Holanda, Bruna; Ibanez-landeta, Antonio; Intrieri, Janet M.; Iyer, Suneil; Julien, Fabrice; Kalesse, Heike; Kazil, Jan; Kellman, Alexander; Kidane, Abiel T.; Kirchner, Ulrike; Klingebiel, Marcus; Körner, Mareike; Kremper, Leslie Ann; Kretzschmar, Jan; Krüger, Ovid; Kumala, Wojciech; Kurz, Armin; L'Hégaret, Pierre; Labaste, Matthieu; Lachlan-cope, Tom A.; Laing, Arlene; Landschützer, Peter; Lang, Theresa; Lange Vega, Diego; Lange, Ingo; Laplace, Clément; Lavik, Gaute; Laxenaire, Rémi; Le Bihan, Caroline; Leandro, Mason; Lefèvre, Nathalie; Lena, Marius; Leschow, Donald; Li, Qiang; Lloyd, Gary; Los, Sebastian; Losi, Niccolò; Lovell, Oscar; Luneau, Christopher; Makuch, Przemyslaw; Malinowski, Szymon P; 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; Möller, Gregor; Morfa Avalos, Yanmichel; Muller, Caroline; Musat, Ionela; Napoli, Anna; Neuberger, Almuth; Noisel, Christophe; Noone, David C; Nordsiek, Freja; Nowak, Jakub L; Oswald, Lothar; Parker, Douglas J.; Peck, Carolyn; Person, Roland; Philippi, Miriam; Plueddemann, Albert J.; Pöhlker, Christopher; Pörtge, Veronika; Pöschl, Ulrich; Pologne, Lawrence; Posyniak, Michal; Prange, Marc; Quiñones Meléndez, Estefanía; Radtke, Jule; Ramage, Karim; Reimann, Jens; Renault, Lionel; Reus, Klaus; Reyes, Ashford; Ribbe, Joachim; Ringel, Maximilian; Ritschel, Markus; Rocha, Cesar Barbedo; Rochetin, Nicolas; Röttenbacher, Johannes; Rollo, Callum; Royer, Haley; Sadoulet, Pauline; Saffin, Leo; Sandiford, Sanola; Sandu, Irina; Schäfer, Michael; Schemann, Vera; Schirmacher, Imke; Schlenczek, Oliver; Schmidt, Jerome; Schröder, Marcel; Schwarzenboeck, Alfons; Sealy, Andrea; Senff, Christoph J; Serikov, Ilya; Shohan, Samkeyat; Siddle, Elizabeth; Smirnov, Alexander; Späth, Florian; Spooner, Branden; Stolla, M. Katharina; Szkólka, Wojciech; De Szoeke, Simon P.; Tarot, Stephane; Tetoni, Eleni; Thompson, Elizabeth J; Thomson, Jim; Tomassini, Lorenzo; Totems, Julien; Ubele, Alma Anna; Villiger, Leonie; Von Arx, Jan; Wagner, Thomas; Walther, Andi; Webber, Benjamin G. M.; Wendisch, Manfred; Whitehall, Shanice; Wiltshire, Anton; Wing, Allison A.; Wirth, Martin; Wiskandt, Jonathan; Wolf, Kevin; Worbes, Ludwig; Wright, Ethan; Wulfmeyer, Volker; Young, Shanea; Zhang, Cong; Zhang, Dongxiao; Ziemen, Florian; Zinner, Tobias; Zöger, Martin. |
| The science guiding the \EURECA campaign and its measurements are presented. \EURECA comprised roughly five weeks of measurements in the downstream winter trades of the North Atlantic — eastward and south-eastward of Barbados. Through its ability to characterize processes operating across a wide range of scales, \EURECA marked a turning point in our ability to observationally study factors influencing clouds in the trades, how they will respond to warming, and their link to other components of the earth system, such as upper-ocean processes or, or the life-cycle of particulate matter. This characterization was made possible by thousands (2500) of sondes distributed to measure circulations on meso (200 km) and larger (500 km) scales, roughly four hundred... |
| Tipo: Text |
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| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00662/77410/79070.pdf |
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| Izumo, Takeshi; Masson, Sebastien; Vialard, Jerome; De Boyer Montegut, Clement; Behera, Swadhin K.; Madec, Gurvan; Takahashi, Keiko; Yamagata, Toshio. |
| The Madden-Julian oscillation (MJO) is the main component of intraseasonal variability of the tropical convection, with clear climatic impacts at an almost-global scale. Based on satellite observations, it is shown that there are two types of austral-summer MJO events (broadly defined as 30-120 days convective variability with eastward propagation of about 5 m/s). Equatorial MJO events have a period of 30-50 days and tend to be symmetric about the equator, whereas MJO events centered near 8A degrees S tend to have a longer period of 55-100 days. The lower-frequency variability is associated with a strong upper-ocean response, having a clear signature in both sea surface temperature and its diurnal cycle. These two MJO types have different interannual... |
| Tipo: Text |
Palavras-chave: Intraseasonal Madden-Julian oscillation (MJO); Seychelles-Chagos thermocline ridge/thermocline dome of the Indian Ocean; Indian Ocean dipole (IOD); El Nino southern oscillation (ENSO); Diurnal cycle; Oceanic diurnal warm layers; Air-sea interactions; Ocean-atmosphere coupling; Interannual variations; Mixed layer; Australian weather. |
| Ano: 2010 |
URL: http://archimer.ifremer.fr/doc/00013/12416/9221.pdf |
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| Izumo, Takeshi; Vialard, Jerome; Lengaigne, Matthieu; De Boyer Montegut, Clement; Behera, Swadhin K.; Luo, Jing-jia; Cravatte, Sophie; Masson, Sebastien; Yamagata, Toshio. |
| El Nino-Southern Oscillation (ENSO) consists of irregular episodes of warm El Nino and cold La Nina conditions in the tropical Pacific Ocean(1), with significant global socio-economic and environmental impacts(1). Nevertheless, forecasting ENSO at lead times longer than a few months remains a challenge(2,3). Like the Pacific Ocean, the Indian Ocean also shows interannual climate fluctuations, which are known as the Indian Ocean Dipole(4,5). Positive phases of the Indian Ocean Dipole tend to co-occur with El Nino, and negative phases with La Nina(6-9). Here we show using a simple forecast model that in addition to this link, a negative phase of the Indian Ocean Dipole anomaly is an efficient predictor of El Nino 14 months before its peak, and similarly, a... |
| Tipo: Text |
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| Ano: 2010 |
URL: http://archimer.ifremer.fr/doc/00002/11304/7831.pdf |
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| Benshila, Rachid; Durand, Frederic; Masson, Sebastien; Bourdalle-badie, Romain; De Boyer Montegut, Clement; Papa, Fabrice; Madec,. |
| Salinity in the Bay of Bengal is highly heterogeneous, with extremely fresh waters found at the surface in the Northern part of the basin, and saltier waters at subsurface as well as to the south. This paper investigates the seasonal structure of sea surface salinity of the Bay in a regional high-resolution model forced by ERA-Interim reanalysis and various precipitation products. Surface circulation is believed to drive the spreading of northern Bay of Bengal fresh waters to the rest of the Indian Ocean. We first present a series of experiments to infer the sensitivity of modeled circulation to various numerical choices. Surface circulation is found to be sensitive to the horizontal resolution of the model, with the 1/12° version appearing much more... |
| Tipo: Text |
Palavras-chave: Salinity; Bay of Bengal; Export of fresh water plume; High resolution ocean modeling. |
| Ano: 2014 |
URL: http://archimer.ifremer.fr/doc/00168/27925/26199.pdf |
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| Renault, Lionel; Molemaker, Maarten Jeroen; Gula, Jonathan; Masson, Sebastien; Mcwilliams, James C.. |
| The Gulf Stream (GS) is known to have a strong influence on climate, for example, by transporting heat from the tropics to higher latitudes. Although the GS transport intensity presents a clear interannual variability, satellite observations reveal its mean path is stable. Numerical models can simulate some characteristics of the mean GS path, but persistent biases keep the GS separation and postseparation unstable and therefore unrealistic. This study investigates how the integration of ocean surface currents into the ocean–atmosphere coupling interface of numerical models impacts the GS. The authors show for the first time that the current feedback, through its eddy killing effect, stabilizes the GS separation and postseparation, resolving long-lasting... |
| Tipo: Text |
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| Ano: 2016 |
URL: http://archimer.ifremer.fr/doc/00358/46879/46760.pdf |
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