Sea Surface Salinity and Temperature Budgets in the North Atlantic Subtropical Gyre during SPURS Experiment: August 2012-August 2013
Variability at large to meso-scale in sea surface salinity (SSS) and sea surface temperature (SST) is investigated in the subtropical North Atlantic Ocean during the Subtropical Atlantic Surface Salinity Experiment Strasse/SPURS in August 2012—August 2013. The products of the Soil Moisture and Ocean...
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ftarchimer:oai:archimer.ifremer.fr:57933 2023-05-15T17:31:20+02:00 Sea Surface Salinity and Temperature Budgets in the North Atlantic Subtropical Gyre during SPURS Experiment: August 2012-August 2013 Sommer, Anna Reverdin, Gilles Kolodziejczyk, Nicolas Boutin, Jacqueline 2015 application/pdf https://archimer.ifremer.fr/doc/00468/57933/60319.pdf https://archimer.ifremer.fr/doc/00468/57933/60320.pdf https://doi.org/10.3389/fmars.2015.00107 https://archimer.ifremer.fr/doc/00468/57933/ eng eng Frontiers Media SA https://archimer.ifremer.fr/doc/00468/57933/60319.pdf https://archimer.ifremer.fr/doc/00468/57933/60320.pdf doi:10.3389/fmars.2015.00107 https://archimer.ifremer.fr/doc/00468/57933/ info:eu-repo/semantics/openAccess restricted use Frontiers In Marine Science (2296-7745) (Frontiers Media SA), 2015 , Vol. 2 , N. 107 , P. 17p. salinity temperature budget meso-scale advection SMOS SPURS text Publication info:eu-repo/semantics/article 2015 ftarchimer https://doi.org/10.3389/fmars.2015.00107 2021-09-23T20:31:51Z Variability at large to meso-scale in sea surface salinity (SSS) and sea surface temperature (SST) is investigated in the subtropical North Atlantic Ocean during the Subtropical Atlantic Surface Salinity Experiment Strasse/SPURS in August 2012—August 2013. The products of the Soil Moisture and Ocean Salinity (SMOS) mission corrected from large scale systematic errors are tested and used to retrieve meso-scale salinity features, while OSTIA products, resolving meso-scale temperature features are used for SST. The comparison of corrected SMOS SSS data with drifter's in situ measurements from SPURS experiment shows a reasonable agreement, especially during winter time with RMS differences on the order of 0.15 pss (for 10 days, 75 km resolution SMOS product). The analysis of SSS (SST) variability reveals that the meso-scale eddies contribute to a substantial freshening (cooling) in the central high salinity region of the subtropical gyre, albeit smaller than Ekman and atmospheric freshwater (heat) seasonal flux, which are the leading terms in SSS (SST) budget. An error is estimated along with SSS and SST budgets; as well as sensitivity to the different products in use and residuals are discussed. The residuals in the SSS budget are large and can arise from errors in the advection fields and freshwater flux, from neglected small scale or unresolved local processes (salt fingering, vertical mixing, and small scale subduction, etc.). However, their magnitude is similar to what is often parameterized as eddy horizontal diffusion to close large scale budgets. Article in Journal/Newspaper North Atlantic Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) Frontiers in Marine Science 2 |
institution |
Open Polar |
collection |
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) |
op_collection_id |
ftarchimer |
language |
English |
topic |
salinity temperature budget meso-scale advection SMOS SPURS |
spellingShingle |
salinity temperature budget meso-scale advection SMOS SPURS Sommer, Anna Reverdin, Gilles Kolodziejczyk, Nicolas Boutin, Jacqueline Sea Surface Salinity and Temperature Budgets in the North Atlantic Subtropical Gyre during SPURS Experiment: August 2012-August 2013 |
topic_facet |
salinity temperature budget meso-scale advection SMOS SPURS |
description |
Variability at large to meso-scale in sea surface salinity (SSS) and sea surface temperature (SST) is investigated in the subtropical North Atlantic Ocean during the Subtropical Atlantic Surface Salinity Experiment Strasse/SPURS in August 2012—August 2013. The products of the Soil Moisture and Ocean Salinity (SMOS) mission corrected from large scale systematic errors are tested and used to retrieve meso-scale salinity features, while OSTIA products, resolving meso-scale temperature features are used for SST. The comparison of corrected SMOS SSS data with drifter's in situ measurements from SPURS experiment shows a reasonable agreement, especially during winter time with RMS differences on the order of 0.15 pss (for 10 days, 75 km resolution SMOS product). The analysis of SSS (SST) variability reveals that the meso-scale eddies contribute to a substantial freshening (cooling) in the central high salinity region of the subtropical gyre, albeit smaller than Ekman and atmospheric freshwater (heat) seasonal flux, which are the leading terms in SSS (SST) budget. An error is estimated along with SSS and SST budgets; as well as sensitivity to the different products in use and residuals are discussed. The residuals in the SSS budget are large and can arise from errors in the advection fields and freshwater flux, from neglected small scale or unresolved local processes (salt fingering, vertical mixing, and small scale subduction, etc.). However, their magnitude is similar to what is often parameterized as eddy horizontal diffusion to close large scale budgets. |
format |
Article in Journal/Newspaper |
author |
Sommer, Anna Reverdin, Gilles Kolodziejczyk, Nicolas Boutin, Jacqueline |
author_facet |
Sommer, Anna Reverdin, Gilles Kolodziejczyk, Nicolas Boutin, Jacqueline |
author_sort |
Sommer, Anna |
title |
Sea Surface Salinity and Temperature Budgets in the North Atlantic Subtropical Gyre during SPURS Experiment: August 2012-August 2013 |
title_short |
Sea Surface Salinity and Temperature Budgets in the North Atlantic Subtropical Gyre during SPURS Experiment: August 2012-August 2013 |
title_full |
Sea Surface Salinity and Temperature Budgets in the North Atlantic Subtropical Gyre during SPURS Experiment: August 2012-August 2013 |
title_fullStr |
Sea Surface Salinity and Temperature Budgets in the North Atlantic Subtropical Gyre during SPURS Experiment: August 2012-August 2013 |
title_full_unstemmed |
Sea Surface Salinity and Temperature Budgets in the North Atlantic Subtropical Gyre during SPURS Experiment: August 2012-August 2013 |
title_sort |
sea surface salinity and temperature budgets in the north atlantic subtropical gyre during spurs experiment: august 2012-august 2013 |
publisher |
Frontiers Media SA |
publishDate |
2015 |
url |
https://archimer.ifremer.fr/doc/00468/57933/60319.pdf https://archimer.ifremer.fr/doc/00468/57933/60320.pdf https://doi.org/10.3389/fmars.2015.00107 https://archimer.ifremer.fr/doc/00468/57933/ |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Frontiers In Marine Science (2296-7745) (Frontiers Media SA), 2015 , Vol. 2 , N. 107 , P. 17p. |
op_relation |
https://archimer.ifremer.fr/doc/00468/57933/60319.pdf https://archimer.ifremer.fr/doc/00468/57933/60320.pdf doi:10.3389/fmars.2015.00107 https://archimer.ifremer.fr/doc/00468/57933/ |
op_rights |
info:eu-repo/semantics/openAccess restricted use |
op_doi |
https://doi.org/10.3389/fmars.2015.00107 |
container_title |
Frontiers in Marine Science |
container_volume |
2 |
_version_ |
1766128854623059968 |