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The Eddy Experiment: GNSS-R speculometry for directional sea-roughness retrieval from low altitude aircraft - art. no. L21307 ArchiMer
Germain, O; Ruffini, Giulio; Soulat, F; Caparrini, M; Chapron, Bertrand; Silvestrin, P.
We report the retrieval of sea surface directional mean square slope from Global Navigation Satellite System Reflections (GNSS-R) Delay-Doppler-Map (DDM) data collected during an experimental flight at 1 km altitude. We emphasize the utilization of the entire DDM to more precisely infer ocean roughness directional parameters, and argue that the DDM exhibits the impact of both roughness and scatterer velocity. Obtained estimates are analyzed and compared with Jason-1 measurements, ECMWF numerical weather model outputs and optical data.
Tipo: Text Palavras-chave: Numerical model; Velocity; Sea surface roughness; Eddies; Delay Doppler Map; Remote sensing; Oceanography.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/publication-749.pdf
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The roadmap for a GMES operational oceanography mission ArchiMer
Drinkwater, Mark; Rebhan, Helge; Le Traon, Pierre-yves; Phalippou, Laurent; Cotton, David; Johannessen, Johnny; Ruffini, Giulio; Bahurel, Pierre; Bell, Mike; Chapron, Bertrand; Pinardi, Nadia; Robinson, Ian; Santoleri, Lia; Stammer, Detlef.
Oceans cover approximately 70% of the Earth's surface and, with about 60% of the World's population living within 200 km of the coast, they have an untold impact on all of us. Not surprisingly, for people living close to the coast or those who depend on the ocean for their livelihood, regular forecasts of ocean conditions are just as important as traditional weather forecasts. Therefore, development of the infrastructure needed to support and sustain independent, European operational ocean forecasting, and the associated coastal and marine information services, are key priorities of the joint Global Monitoring for Environment and Security (GMES) initiative by the European Commission and ESA.
Tipo: Text Palavras-chave: Meteorology; Infrastructure; Maturation; World's oceans.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/publication-903.pdf
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