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Título

Assessment of the SMOS inversion scheme for salinity and wind speed retrieval purposes

AutorMontuori, Antonio; Portabella, Marcos ; Guimbard, Sébastien ; Gabarró, Carolina ; Migliaccio, Maurizio
Palabras claveSMOS
Sea surface wind speed
Levenberg-Marquardt minimization scheme
Sea surface salinity
Bayesian-based inversion
SSS
Fecha de publicacióndic-2013
EditorAssociazione Italiana di Telerilevamento
CitaciónEuropean Journal of Remote Sensing 46: 855-873 (2013)
ResumenA simplified parallel version of the Soil Moisture and Ocean Salinity (SMOS) Level 2 Ocean Salinity (L2OS) processor is used to assess the optimal configuration of both the SMOS cost function and the corresponding minimization scheme for sea surface salinity (SSS) and wind speed (U10) retrievals. For such a purpose, both realistically simulated brightness temperatures (TBs) and a post-launch derived semi-empirical forward model are used. This study confirms the effectiveness of the L2OS configuration for SSS retrieval and provides the optimal configuration for U10 retrieval. A revised cost function formulation, where the observational term has more weight than the background one, is further assessed, which leads to smaller retrieval errors
Descripción19 pages, 8 figures, 5 tables
Versión del editorhttp://dx.doi.org/10.5721/EuJRS20134651
URIhttp://hdl.handle.net/10261/89478
DOI10.5721/EuJRS20134651
Identificadoresdoi: 10.5721/EuJRS20134651
issn: 1129-8596
e-issn: 2279-7254
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