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SMOS ocean salinity: Recent improvements and applications

AuthorsYin, Xiaobin; Boutin, Jacqueline; Font, Jordi ; Spurgeon, Paul; Vergely, Jean-Luc; Martin, Nicolas
Issue Date2014
PublisherInstitute of Electrical and Electronics Engineers
CitationXXXIth URSI General Assembly and Scientific Symposium (URSI GASS) (2014)
AbstractThe European Space Agency's Soil Moisture and Ocean Salinity (SMOS) mission, launched in November 2009, has been providing global maps of sea surface salinity (SSS) since 2010. The SMOS SSS derived with version 5 reprocessing senses realistic SSS variability at various time and space scales, although some biases remain a basin and seasonal scale. In this paper, after providing an overview of the SMOS version 5 SSS quality derived from comparisons with in situ measurements, we provide examples of the observed variability associated with tropical instability waves during 2010 and 2013. Then we show improvements expected in future SMOS level 2 reprocessing coming from a new method for retrieving Total Electron Content (TEC). We also estimate the SMOS SSS uncertainties due to uncertainties in a priori sea surface temperature (SST) and wind speed (WS), especially in the tropical Pacific Ocean where there are significant and sometimes coupled variations of SST and WS due to strong seasonal upwelling, zonal surface currents and the development of tropical instability waves
DescriptionXXXIth URSI General Assembly and Scientific Symposium (URSI GASS), 16-23 August 2014, Beijing, China.-- 4 pages
Publisher version (URL)https://doi.org/10.1109/URSIGASS.2014.6929698
Identifiersisbn: 978-1-4673-5225-3
Appears in Collections:(ICM) Libros y partes de libros
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