SMOS-based estimation and validation of Total Alkalinity in the Mediterranean basin
European Geosciences Union (EGU) General Assembly 2020, 4-8 May 2020 ESA SMOS satellite [1] has been providing first-ever Sea Surface Salinity (SSS) measurements from space for over a decade now. Until recently, inherent algorithm limitations or external interferences hampered a reliable provision o...
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ftcsic:oai:digital.csic.es:10261/225848 2024-02-11T10:07:36+01:00 SMOS-based estimation and validation of Total Alkalinity in the Mediterranean basin Sabia, Roberto Olmedo, Estrella Cossarini, Giampiero Alvera-Azcárate, Aida González Gambau, Verónica Fernández-Prieto, Diego 2020-05-04 http://hdl.handle.net/10261/225848 https://doi.org/10.5194/egusphere-egu2020-20753 en eng European Geosciences Union https://doi.org/10.5194/egusphere-egu2020-20753 Sí EGU General Assembly (2020) http://hdl.handle.net/10261/225848 doi:10.5194/egusphere-egu2020-20753 open póster de congreso http://purl.org/coar/resource_type/c_6670 2020 ftcsic https://doi.org/10.5194/egusphere-egu2020-20753 2024-01-16T11:00:53Z European Geosciences Union (EGU) General Assembly 2020, 4-8 May 2020 ESA SMOS satellite [1] has been providing first-ever Sea Surface Salinity (SSS) measurements from space for over a decade now. Until recently, inherent algorithm limitations or external interferences hampered a reliable provision of satellite SSS data in semi-enclosed basin such as the Mediterranean Sea. This has been however overcome through different strategies in the retrieval scheme and data filtering approach [2, 3]. This recent capability has been in turn used to infer the spatial and temporal distribution of Total Alkalinity (TA - a crucial parameter of the marine carbonate system) in the Mediterranean, exploiting basin-specific direct relationships existing between salinity and TA. Preliminary results [4] focused on the differences existing in several parameterizations [e.g, 5] relating these two variables, and how they vary over a seasonal to interannual timescale. Currently, to verify the consistency and accuracy of the derived products, these data are being validated against a proper ensemble of in-situ, climatology and model outputs within the Mediterranean basin. An error propagation exercise is also being planned to assess how uncertainties in the satellite data would translate into the final products accuracy. The resulting preliminary estimates of Alkalinity in the Mediterranean Sea will be linked to the overall carbonate system in the broader context of Ocean Acidification assessment and marine carbon cycle. References: [1] J. Font et al., "SMOS: The Challenging Sea Surface Salinity Measurement From Space," in Proceedings of the IEEE, vol. 98, no. 5, pp. 649-665, May 2010. doi:10.1109/JPROC.2009.2033096 [2] Olmedo, E., J. Martinez, A. Turiel, J. Ballabrera-Poy, and M. Portabella, “Debiased non-Bayesian retrieval: A novel approach to SMOS Sea Surface Salinity”. Remote Sensing of Environment 193, 103-126 (2017). [3] Alvera-Azcárate, A., A. Barth, G. Parard, J.-M. Beckers, Analysis of SMOS sea surface salinity data using DINEOF, ... Still Image Ocean acidification Digital.CSIC (Spanish National Research Council) |
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Digital.CSIC (Spanish National Research Council) |
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English |
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European Geosciences Union (EGU) General Assembly 2020, 4-8 May 2020 ESA SMOS satellite [1] has been providing first-ever Sea Surface Salinity (SSS) measurements from space for over a decade now. Until recently, inherent algorithm limitations or external interferences hampered a reliable provision of satellite SSS data in semi-enclosed basin such as the Mediterranean Sea. This has been however overcome through different strategies in the retrieval scheme and data filtering approach [2, 3]. This recent capability has been in turn used to infer the spatial and temporal distribution of Total Alkalinity (TA - a crucial parameter of the marine carbonate system) in the Mediterranean, exploiting basin-specific direct relationships existing between salinity and TA. Preliminary results [4] focused on the differences existing in several parameterizations [e.g, 5] relating these two variables, and how they vary over a seasonal to interannual timescale. Currently, to verify the consistency and accuracy of the derived products, these data are being validated against a proper ensemble of in-situ, climatology and model outputs within the Mediterranean basin. An error propagation exercise is also being planned to assess how uncertainties in the satellite data would translate into the final products accuracy. The resulting preliminary estimates of Alkalinity in the Mediterranean Sea will be linked to the overall carbonate system in the broader context of Ocean Acidification assessment and marine carbon cycle. References: [1] J. Font et al., "SMOS: The Challenging Sea Surface Salinity Measurement From Space," in Proceedings of the IEEE, vol. 98, no. 5, pp. 649-665, May 2010. doi:10.1109/JPROC.2009.2033096 [2] Olmedo, E., J. Martinez, A. Turiel, J. Ballabrera-Poy, and M. Portabella, “Debiased non-Bayesian retrieval: A novel approach to SMOS Sea Surface Salinity”. Remote Sensing of Environment 193, 103-126 (2017). [3] Alvera-Azcárate, A., A. Barth, G. Parard, J.-M. Beckers, Analysis of SMOS sea surface salinity data using DINEOF, ... |
format |
Still Image |
author |
Sabia, Roberto Olmedo, Estrella Cossarini, Giampiero Alvera-Azcárate, Aida González Gambau, Verónica Fernández-Prieto, Diego |
spellingShingle |
Sabia, Roberto Olmedo, Estrella Cossarini, Giampiero Alvera-Azcárate, Aida González Gambau, Verónica Fernández-Prieto, Diego SMOS-based estimation and validation of Total Alkalinity in the Mediterranean basin |
author_facet |
Sabia, Roberto Olmedo, Estrella Cossarini, Giampiero Alvera-Azcárate, Aida González Gambau, Verónica Fernández-Prieto, Diego |
author_sort |
Sabia, Roberto |
title |
SMOS-based estimation and validation of Total Alkalinity in the Mediterranean basin |
title_short |
SMOS-based estimation and validation of Total Alkalinity in the Mediterranean basin |
title_full |
SMOS-based estimation and validation of Total Alkalinity in the Mediterranean basin |
title_fullStr |
SMOS-based estimation and validation of Total Alkalinity in the Mediterranean basin |
title_full_unstemmed |
SMOS-based estimation and validation of Total Alkalinity in the Mediterranean basin |
title_sort |
smos-based estimation and validation of total alkalinity in the mediterranean basin |
publisher |
European Geosciences Union |
publishDate |
2020 |
url |
http://hdl.handle.net/10261/225848 https://doi.org/10.5194/egusphere-egu2020-20753 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
https://doi.org/10.5194/egusphere-egu2020-20753 Sí EGU General Assembly (2020) http://hdl.handle.net/10261/225848 doi:10.5194/egusphere-egu2020-20753 |
op_rights |
open |
op_doi |
https://doi.org/10.5194/egusphere-egu2020-20753 |
_version_ |
1790606232969543680 |