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Sea Surface Salinity Observations from Space with the SMOS Satellite: A New Means to Monitor the Marine Branch of the Water Cycle ArchiMer
Reul, Nicolas; Fournier, Severine; Boutin, Jacqueline; Hernandez, Olga; Maes, Christophe; Chapron, Bertrand; Alory, Gael; Quilfen, Yves; Tenerelli, Joseph; Morisset, Simmon; Kerr, Yann; Mecklenburg, Susanne; Delwart, Steven.
While it is well known that the ocean is one of the most important component of the climate system, with a heat capacity 1,100 times greater than the atmosphere, the ocean is also the primary reservoir for freshwater transport to the atmosphere and largest component of the global water cycle. Two new satellite sensors, the ESA Soil Moisture and Ocean Salinity (SMOS) and the NASA Aquarius SAC-D missions, are now providing the first space-borne measurements of the sea surface salinity (SSS). In this paper, we present examples demonstrating how SMOS-derived SSS data are being used to better characterize key land–ocean and atmosphere–ocean interaction processes that occur within the marine hydrological cycle. In particular, SMOS with its ocean mapping...
Tipo: Text Palavras-chave: Sea surface salinity; SMOS satellite; Passive microwave remote sensing; Oceanic freshwater cycle.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00152/26334/24430.pdf
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SMOS satellite L-band radiometer: A new capability for ocean surface remote sensing in hurricanes ArchiMer
Reul, Nicolas; Tenerelli, Joseph; Chapron, Bertrand; Vandemark, Doug; Quilfen, Yves; Kerr, Yann.
The Soil Moisture and Ocean Salinity (SMOS) mission currently provides multiangular L-band (1.4 GHz) brightness temperature images of the Earth. Because upwelling radiation at 1.4 GHz is significantly less affected by rain and atmospheric effects than at higher microwave frequencies, these new SMOS measurements offer unique opportunities to complement existing ocean satellite high wind observations that are often contaminated by heavy rain and clouds. To illustrate this new capability, we present SMOS data over hurricane Igor, a tropical storm that developed to a Saffir-Simpson category 4 hurricane from 11 to 19 September 2010. Thanks to its large spatial swath and frequent revisit time, SMOS observations intercepted the hurricane 9 times during this...
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Ano: 2012 URL: http://archimer.ifremer.fr/doc/00067/17805/15330.pdf
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