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| Título: | Improved BEC SMOS Arctic Sea Surface Salinity product v3.1 |
Autor: | Martínez, Justino CSIC ORCID ; Gabarró, Carolina CSIC ORCID ; Turiel, Antonio CSIC ORCID ; González Gambau, Verónica ; Umbert, Marta CSIC ORCID ; Hoareau, Nina CSIC ORCID ; González-Haro, Cristina CSIC ORCID ; Olmedo, Estrella CSIC ORCID ; Arias Ballesteros, Manuel CSIC ORCID ; Catany, Rafael; Bertino, Laurent; Raj, Roshin P.; Xie, Jiping; Sabia, Roberto CSIC; Fernández-Prieto, Diego | Palabras clave: | Salinidad Teledeteccion |
Fecha de publicación: | 28-ene-2022 | Editor: | Copernicus Publications | Citación: | Earth System Science Data 14: 307-323 (2022) | Resumen: | Measuring salinity from space is challenging since the sensitivity of the brightness temperature (TB) to sea surface salinity (SSS) is low (about 0.5 K psu−1), while the SSS range in the open ocean is narrow (about 5 psu, if river discharge areas are not considered). This translates into a high accuracy requirement of the radiometer (about 2–3 K). Moreover, the sensitivity of the TB to SSS at cold waters is even lower (0.3 K psu−1), making the retrieval of the SSS in the cold waters even more challenging. Due to this limitation, the ESA launched a specific initiative in 2019, the Arctic+Salinity project (AO/1-9158/18/I-BG), to produce an enhanced Arctic SSS product with better quality and resolution than the available products. This paper presents the methodologies used to produce the new enhanced Arctic SMOS SSS product (Martínez et al., 2019) . The product consists of 9 d averaged maps in an EASE 2.0 grid of 25 km. The product is freely distributed from the Barcelona Expert Center (BEC, http://bec.icm.csic.es/, last access: 25 January 2022) with the DOI number https://doi.org/10.20350/digitalCSIC/12620 (Martínez et al., 2019). The major change in this new product is its improvement of the effective spatial resolution that permits better monitoring of the mesoscale structures (larger than 50 km), which benefits the river discharge monitoring | Descripción: | 17 pages, 13 figures, 1 table.-- Data availability: The product (Martínez et al., 2019) is freely distributed on the BEC (Barcelona Expert Center) web page (http://bec.icm.csic.es/, last access: 25 January 2022) with the DOI number https://doi.org/10.20350/digitalCSIC/12620 (Martínez et al., 2019) and on the Digital CSIC server: https://digital.csic.es/handle/10261/219679 (last access: 25 January 2022). Data can be downloaded from the FTP service: http://bec.icm.csic.es/bec-ftp-service/ (last access: 25 January 2022). The maps are distributed in the standard grid EASE-Grid 2.0, which has a spatial resolution of 25 km. In addition to the product validated in this work (L3 with temporal resolution of 9 d), L3 products having a temporal resolution of 3 and 18 d and the L2 product are available. These Arctic SSS products cover the period from 2011 to 2019.-- This work represents a contribution to the CSIC Thematic Interdisciplinary Platform PTI Teledetect and PolarCSIC. 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, last access: 25 January 2022). The Argo program is part of the Global Ocean Observing System | Versión del editor: | https://doi.org/10.5194/essd-14-307-2022 | URI: | http://hdl.handle.net/10261/259073 | DOI: | 10.5194/essd-14-307-2022 | ISSN: | 1866-3508 | E-ISSN: | 1866-3516 |
| Aparece en las colecciones: | (ICM) Artículos |
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| Martinez_et_al_2022.pdf | Articulo | 2,05 MB | Adobe PDF |  Visualizar/Abrir |
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