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From Observation to Information and Users: The Copernicus Marine Service Perspective ArchiMer
Le Traon, Pierre-yves; Reppucci, Antonio; Alvarez Fanjul, Enrique; Aouf, Lotfi; Behrens, Arno; Belmonte, Maria; Bentamy, Abderrahim; Bertino, Laurent; Brando, Vittorio Ernesto; Kreiner, Matilde Brandt; Benkiran, Mounir; Carval, Thierry; Ciliberti, Stefania A.; Claustre, Hervé; Clementi, Emanuela; Coppini, Giovanni; Cossarini, Gianpiero; De Alfonso Alonso-muñoyerro, Marta; Delamarche, Anne; Dibarboure, Gerald; Dinessen, Frode; Drevillon, Marie; Drillet, Yann; Faugere, Yannice; Fernández, Vicente; Fleming, Andrew; Garcia-hermosa, M. Isabel; Sotillo, Marcos García; Garric, Gilles; Gasparin, Florent; Giordan, Cedric; Gehlen, Marion; Gregoire, Marilaure L.; Guinehut, Stephanie; Hamon, Michel; Harris, Chris; Hernandez, Fabrice; Hinkler, Jørgen B.; Hoyer, Jacob; Karvonen, Juha; Kay, Susan; King, Robert; Lavergne, Thomas; Lemieux-dudon, Benedicte; Lima, Leonardo; Mao, Chongyuan; Martin, Matthew J; Masina, Simona; Melet, Angelique; Buongiorno Nardelli, Bruno; Nolan, Glenn; Pascual, Ananda; Pistoia, Jenny; Palazov, Atanas; Piolle, Jean-francois; Pujol, Marie Isabelle; Pequignet, Anne Christine; Peneva, Elisaveta; Pérez Gómez, Begoña; Petit De La Villeon, Loic; Pinardi, Nadia; Pisano, Andrea; Pouliquen, Sylvie; Reid, Rebecca; Remy, Elisabeth; Santoleri, Rosalia; Siddorn, John; She, Jun; Staneva, Joanna; Stoffelen, Ad; Tonani, Marina; Vandenbulcke, Luc; Von Schuckmann, Karina; Volpe, Gianluca; Wettre, Cecilie; Zacharioudaki, Anna.
The Copernicus Marine Environment Monitoring Service (CMEMS) provides regular and systematic reference information on the physical and biogeochemical ocean and sea-ice state for the global ocean and the European regional seas. CMEMS serves a wide range of users (more than 15,000 users are now registered to the service) and applications. Observations are a fundamental pillar of the CMEMS value-added chain that goes from observation to information and users. Observations are used by CMEMS Thematic Assembly Centres (TACs) to derive high-level data products and by CMEMS Monitoring and Forecasting Centres (MFCs) to validate and constrain their global and regional ocean analysis and forecasting systems. This paper presents an overview of CMEMS, its evolution,...
Tipo: Text Palavras-chave: Ocean; Observing systems; Satellite; In situ; Data assimilation; Services.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00498/60983/64389.pdf
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Measuring currents, ice drift, and waves from space: the Sea surface KInematics Multiscale monitoring (SKIM) concept ArchiMer
Ardhuin, Fabrice; Aksenov, Yevgueny; Benetazzo, Alvise; Bertino, Laurent; Brandt, Peter; Caubet, Eric; Chapron, Bertrand; Collard, Fabrice; Cravatte, Sophie; Delouis, Jean Marc; Dias, Frederic; Dibarboure, Gerald; Gaultier, Lucile; Johannessen, Johnny; Korosov, Anton; Manucharyan, Georgy; Menemenlis, Dimitris; Menendez, Melisa; Monnier, Goulven; Mouche, Alexis; Nouguier, Frederic; Nurser, George; Rampal, Pierre; Reniers, Ad; Rodriguez, Ernesto; Stopa, Justin; Tison, Celine; Ubelmann, Clement; Van Sebille, Erik; Xie, Jiping.
We propose a satellite mission that uses a near-nadir Ka-band Doppler radar to measure surface currents, ice drift and ocean waves at spatial scales of 40 km and more, with snapshots at least every day for latitudes 75 to 82 degrees, and every few days for other latitudes. The use of incidence angles of 6 and 12 degrees allows for measurement of the directional wave spectrum, which yields accurate corrections of the wave-induced bias in the current measurements. The instrument's design, an algorithm for current vector retrieval and the expected mission performance are presented here. The instrument proposed can reveal features of tropical ocean and marginal ice zone (MIZ) dynamics that are inaccessible to other measurement systems, and providing global...
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Ano: 2018 URL: http://archimer.ifremer.fr/doc/00442/55318/56843.pdf
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SKIM, a Candidate Satellite Mission Exploring Global Ocean Currents and Waves ArchiMer
Ardhuin, Fabrice; Brandt, Peter; Gaultier, Lucile; Donlon, Craig; Battaglia, Alessandro; Boy, François; Casal, Tania; Chapron, Bertrand; Collard, Fabrice; Cravatte, Sophie; Delouis, Jean Marc; De Witte, Erik; Dibarboure, Gerald; Engen, Geir; Johnsen, Harald; Lique, Camille; Lopez-dekker, Paco; Maes, Christophe; Martin, Adrien; Marié, Louis; Menemenlis, Dimitris; Nouguier, Frederic; Peureux, Charles; Rampal, Pierre; Ressler, Gerhard; Rio, Marie-helene; Rommen, Bjorn; Shutler, Jamie D.; Suess, Martin; Tsamados, Michel; Ubelmann, Clement; Van Sebille, Erik; Van Den Oever, Martin; Stammer, Detlef.
The Sea surface KInematics Multiscale monitoring (SKIM) satellite mission is designed to explore ocean surface current and waves. This includes tropical currents, notably the poorly known patterns of divergence and their impact on the ocean heat budget, and monitoring of the emerging Arctic up to 82.5°N. SKIM will also make unprecedented direct measurements of strong currents, from boundary currents to the Antarctic circumpolar current, and their interaction with ocean waves with expected impacts on air-sea fluxes and extreme waves. For the first time, SKIM will directly measure the ocean surface current vector from space. The main instrument on SKIM is a Ka-band conically scanning, multi-beam Doppler radar altimeter/wave scatterometer that includes a...
Tipo: Text Palavras-chave: Ocean current; Tropics; Arctic; Doppler; Altimetry; Sea state; Remote sensing; Ocean waves.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00498/60964/64372.pdf
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The Benefits of the Ka-Band as Evidenced from the SARAL/AltiKa Altimetric Mission: Scientific Applications ArchiMer
Verron, Jacques; Bonnefond, Pascal; Aouf, Lofti; Birol, Florence; Bhowmick, Suchandra A.; Calmant, Stephane; Conchy, Taina; Cretaux, Jean-francois; Dibarboure, Gerald; Dubey, A. K.; Faugere, Yannice; Guerreiro, Kevin; Gupta, P. K.; Hamon, Mathieu; Jebri, Fatma; Kumar, Raj; Morrow, Rosemary; Pascual, Ananda; Pujol, Marie-isabelle; Remy, Elisabeth; Remy, Frederique; Smith, Walter H. F.; Tournadre, Jean; Vergara, Oscar.
The India-France SARAL/AltiKa mission is the first Ka-band altimetric mission dedicated primarily to oceanography. The mission objectives were firstly the observation of the oceanic mesoscales but also global and regional sea level monitoring, including the coastal zone, data assimilation, and operational oceanography. SARAL/AltiKa proved also to be a great opportunity for inland waters applications, for observing ice sheet or icebergs, as well as for geodetic investigations. The mission ended its nominal phase after three years in orbit and began a new phase (drifting orbit) in July 2016. The objective of this paper is to highlight some of the most remarkable achievements of the SARAL/AltiKa mission in terms of scientific applications. Compared to the...
Tipo: Text Palavras-chave: Altimetry; Ka-band; Oceanography; Hydrology; Ice; Geodesy.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00600/71248/69623.pdf
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