Oceanographic added-value of the first regional SMOS sea surface salinity products over the Baltic Sea
Living Planet Symposium, 23-27 May 2022, Bonn, Germany
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European Space Agency
202-05-23
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| Online Access: | http://hdl.handle.net/10261/331975 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000844 |
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dig-icm-es-10261-3319752023-07-28T01:42:45Z Oceanographic added-value of the first regional SMOS sea surface salinity products over the Baltic Sea González Gambau, Verónica Olmedo, Estrella González-Haro, Cristina Turiel, Antonio García Espriu, Aina Gabarró, Carolina Tuomi, Laura Catany, Rafael Arias, Manuel Sabia, Roberto Fernández-Prieto, Diego European Space Agency Ministerio de Ciencia, Innovación y Universidades (España) Agencia Estatal de Investigación (España) Living Planet Symposium, 23-27 May 2022, Bonn, Germany The Baltic Sea is a strongly stratified semi-enclosed sea with a large freshwater supply from rivers, net precipitation and high-saline water exchange from the North Sea. In the Danish Straits the water exchange is hampered by bathymetric and hydrodynamic restrictions. The shallow depth yields to highly variable ocean dynamics. The water exchange with the North Atlantic Ocean is restricted by the narrows and sills of the Danish Straits and river outflows. The bottom water in the deep sub-basins is ventilated by major Baltic saltwater inflows. These complex oceanographic conditions are not well described in current model simulations. Moreover, the available in situ data in the region is temporally and spatially very sparse. Earth Observation salinity measurements have a great potential to help in the understanding of the dynamics in the Baltic Sea. However, this basin is one of the most challenging regions for the satellite sea surface salinity (SSS) retrieval. The available EO-based global SSS products are quite limited in terms of spatio-temporal coverage and quality. This is mainly due to technical limitations that strongly affect the brightness temperatures (TB), such as the high contamination by interferences and the contamination close to land and ice edges. Moreover, the sensitivity of TB to SSS changes is very low in cold waters and dielectric models present limitations in this low salinity regime. In the ESA Baltic+ Salinity Dynamics project, new regional SSS products derived from the European Soil Moisture and Ocean Salinity (SMOS) measurements were developed. In this work, we describe the enhanced algorithms used in the generation of SMOS SSS fields. A complete quality assessment with respect to in situ measurements is also presented. Finally, we compare the satellite SSS measurements with a Baltic reanalysis and in situ measurements time series, focusing on the SSS dynamics captured by Baltic+ SSS products and the added-value that can provide for the understanding of the salinity dynamics. Scientific applications identified from the interaction with users working in the Baltic Sea will also be presented This work has been carried out as part of the Baltic+ Salinity Dynamics project (4000126102/18/I-BG), funded by the European Space Agency. It has been also supported in part by the Spanish R&D project INTERACT (PID2020-114623RB-C31), which is funded by MCIN/AEI/10.13039/501100011033. We also received funding from the Spanish government through the “Severo Ochoa Centre of Excellence” accreditation (CEX2019-000928-S Peer reviewed 2023-07-27T10:45:24Z 2023-07-27T10:45:24Z 202-05-23 comunicación de congreso http://purl.org/coar/resource_type/c_5794 Living Planet Symposium (2022) http://hdl.handle.net/10261/331975 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000844 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-114623RB-C31/ES/ENFOQUES SINERGICOS PARA UNA NUEVA GENERACION DE PRODUCTOS Y APLICACIONES DE OBSERVACION DE LA TIERRA. PARTE CSIC/ Sí open European Space Agency |
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Living Planet Symposium, 23-27 May 2022, Bonn, Germany |
| author2 |
European Space Agency |
| author_facet |
European Space Agency González Gambau, Verónica Olmedo, Estrella González-Haro, Cristina Turiel, Antonio García Espriu, Aina Gabarró, Carolina Tuomi, Laura Catany, Rafael Arias, Manuel Sabia, Roberto Fernández-Prieto, Diego |
| format |
comunicación de congreso |
| author |
González Gambau, Verónica Olmedo, Estrella González-Haro, Cristina Turiel, Antonio García Espriu, Aina Gabarró, Carolina Tuomi, Laura Catany, Rafael Arias, Manuel Sabia, Roberto Fernández-Prieto, Diego |
| spellingShingle |
González Gambau, Verónica Olmedo, Estrella González-Haro, Cristina Turiel, Antonio García Espriu, Aina Gabarró, Carolina Tuomi, Laura Catany, Rafael Arias, Manuel Sabia, Roberto Fernández-Prieto, Diego Oceanographic added-value of the first regional SMOS sea surface salinity products over the Baltic Sea |
| author_sort |
González Gambau, Verónica |
| title |
Oceanographic added-value of the first regional SMOS sea surface salinity products over the Baltic Sea |
| title_short |
Oceanographic added-value of the first regional SMOS sea surface salinity products over the Baltic Sea |
| title_full |
Oceanographic added-value of the first regional SMOS sea surface salinity products over the Baltic Sea |
| title_fullStr |
Oceanographic added-value of the first regional SMOS sea surface salinity products over the Baltic Sea |
| title_full_unstemmed |
Oceanographic added-value of the first regional SMOS sea surface salinity products over the Baltic Sea |
| title_sort |
oceanographic added-value of the first regional smos sea surface salinity products over the baltic sea |
| publisher |
European Space Agency |
| publishDate |
202-05-23 |
| url |
http://hdl.handle.net/10261/331975 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000844 |
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