Toward an Enhanced SMOS Level-2 Ocean Salinity Product

Olmedo, Estrella; González Gambau, Verónica; Turiel, Antonio; Guimbard, Sébastien; González-Haro, Cristina; Gabarró, Carolina; Portabella, Marcos; Arias, Manuel; Sabia, Roberto; Oliva, Roger; Corbella, Ignasi; Agencia Estatal de Investigación (España)

Toward an Enhanced SMOS Level-2 Ocean Salinity Product

20 pages, 15 figures, 5 tables, .-- Argo data were collected and made freely available by the International Argo Program and the national programs that contribute to it (https://argo.ucsd.edu, https://www.ocean-ops.org).-- The Argo Program is part of the Global Ocean Observing System

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Bibliographic Details
Main Authors:	Olmedo, Estrella, González Gambau, Verónica, Turiel, Antonio, Guimbard, Sébastien, González-Haro, Cristina, Gabarró, Carolina, Portabella, Marcos, Arias, Manuel, Sabia, Roberto, Oliva, Roger, Corbella, Ignasi
Other Authors:	Agencia Estatal de Investigación (España)
Format:	artículo biblioteca
Language:	English
Published:	Institute of Electrical and Electronics Engineers 2020-10
Subjects:	Debiased non-Bayesian, Latitudinal bias, Near real-time sea surface salinity (SSS) product, Nodal sampling, Soil Moisture and Ocean Salinity (SMOS), SSS,
Online Access:	http://hdl.handle.net/10261/223214 http://dx.doi.org/10.13039/501100011033
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spelling	dig-icm-es-10261-2232142023-01-03T12:59:55Z Toward an Enhanced SMOS Level-2 Ocean Salinity Product Olmedo, Estrella González Gambau, Verónica Turiel, Antonio Guimbard, Sébastien González-Haro, Cristina Gabarró, Carolina Portabella, Marcos Arias, Manuel Sabia, Roberto Oliva, Roger Corbella, Ignasi Agencia Estatal de Investigación (España) Debiased non-Bayesian Latitudinal bias Near real-time sea surface salinity (SSS) product Nodal sampling Soil Moisture and Ocean Salinity (SMOS) SSS 20 pages, 15 figures, 5 tables, .-- Argo data were collected and made freely available by the International Argo Program and the national programs that contribute to it (https://argo.ucsd.edu, https://www.ocean-ops.org).-- The Argo Program is part of the Global Ocean Observing System The quality of the Soil Moisture and Ocean Salinity (SMOS) sea surface salinity (SSS) measurements has been noticeably improved in the past years. However, for some applications, there are still some limitations in the use of the Level-2 ocean salinity product. First, the SSS measurements are still affected by a latitudinal and seasonal bias. Second, the high standard deviation of the SSS error could significantly degrade part of the SSS signal. Finally, the coverage of the Level-2 salinity measurements is significantly reduced after applying filtering criteria to discard the poor-quality retrievals. In this work, we apply nodal sampling to the SMOS brightness temperatures (TBs), which effectively reduces the standard deviation of the TB error; then, we use debiased non-Bayesian retrieval for the mitigation of systematic biases on SSS and the statistical filtering criteria of the degraded salinity retrievals; and finally, we comprehensively characterize the residual latitudinal and seasonal biases and derive a correction for the retrieved SSS. We generate three years of an enhanced SMOS Level-2 Ocean Salinity product and we compare its performances with the ones corresponding to the European Space Agency SMOS Level-2 Ocean Salinity product (v662) With the funding support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S), of the Spanish Research Agency (AEI) Peer reviewed 2020-11-20T07:43:50Z 2020-11-20T07:43:50Z 2020-10 artículo http://purl.org/coar/resource_type/c_6501 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 13: 6434-6453 (2020) 1939-1404 CEX2019-000928-S http://hdl.handle.net/10261/223214 10.1109/JSTARS.2020.3034432 2151-1535 http://dx.doi.org/10.13039/501100011033 en Publisher's version https://doi.org10.1109/JSTARS.2020.3034432 Sí open Institute of Electrical and Electronics Engineers
institution	ICM ES
collection	DSpace
country	España
countrycode	ES
component	Bibliográfico
access	En linea
databasecode	dig-icm-es
tag	biblioteca
region	Europa del Sur
libraryname	Biblioteca del ICM España
language	English
topic	Debiased non-Bayesian Latitudinal bias Near real-time sea surface salinity (SSS) product Nodal sampling Soil Moisture and Ocean Salinity (SMOS) SSS Debiased non-Bayesian Latitudinal bias Near real-time sea surface salinity (SSS) product Nodal sampling Soil Moisture and Ocean Salinity (SMOS) SSS
spellingShingle	Debiased non-Bayesian Latitudinal bias Near real-time sea surface salinity (SSS) product Nodal sampling Soil Moisture and Ocean Salinity (SMOS) SSS Debiased non-Bayesian Latitudinal bias Near real-time sea surface salinity (SSS) product Nodal sampling Soil Moisture and Ocean Salinity (SMOS) SSS Olmedo, Estrella González Gambau, Verónica Turiel, Antonio Guimbard, Sébastien González-Haro, Cristina Gabarró, Carolina Portabella, Marcos Arias, Manuel Sabia, Roberto Oliva, Roger Corbella, Ignasi Toward an Enhanced SMOS Level-2 Ocean Salinity Product
description	20 pages, 15 figures, 5 tables, .-- Argo data were collected and made freely available by the International Argo Program and the national programs that contribute to it (https://argo.ucsd.edu, https://www.ocean-ops.org).-- The Argo Program is part of the Global Ocean Observing System
author2	Agencia Estatal de Investigación (España)
author_facet	Agencia Estatal de Investigación (España) Olmedo, Estrella González Gambau, Verónica Turiel, Antonio Guimbard, Sébastien González-Haro, Cristina Gabarró, Carolina Portabella, Marcos Arias, Manuel Sabia, Roberto Oliva, Roger Corbella, Ignasi
format	artículo
topic_facet	Debiased non-Bayesian Latitudinal bias Near real-time sea surface salinity (SSS) product Nodal sampling Soil Moisture and Ocean Salinity (SMOS) SSS
author	Olmedo, Estrella González Gambau, Verónica Turiel, Antonio Guimbard, Sébastien González-Haro, Cristina Gabarró, Carolina Portabella, Marcos Arias, Manuel Sabia, Roberto Oliva, Roger Corbella, Ignasi
author_sort	Olmedo, Estrella
title	Toward an Enhanced SMOS Level-2 Ocean Salinity Product
title_short	Toward an Enhanced SMOS Level-2 Ocean Salinity Product
title_full	Toward an Enhanced SMOS Level-2 Ocean Salinity Product
title_fullStr	Toward an Enhanced SMOS Level-2 Ocean Salinity Product
title_full_unstemmed	Toward an Enhanced SMOS Level-2 Ocean Salinity Product
title_sort	toward an enhanced smos level-2 ocean salinity product
publisher	Institute of Electrical and Electronics Engineers
publishDate	2020-10
url	http://hdl.handle.net/10261/223214 http://dx.doi.org/10.13039/501100011033
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Toward an Enhanced SMOS Level-2 Ocean Salinity Product

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