Arctic salinity from space: Monitoring the freshwater system
American Geophysical Union (AGU) Fall Meeting, 9-13 December 2019, San Francisco.-- Arctic+ salinity daily 9-day maps will be distributed in WGS 84 / NSIDC EASE-Grid 2.0 North EPSG:6931 (25 km) for years 2011-2019. Martínez, Justino; Gabarró, Carolina; Turiel, Antonio; 2019; >Arctic Sea Surface S...
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ftcsic:oai:digital.csic.es:10261/207621 2024-02-11T10:00:07+01:00 Arctic salinity from space: Monitoring the freshwater system Martínez, Justino González Gambau, Verónica Olmedo, Estrella Turiel, Antonio Arias, Manuel Bertino, Laurent Raj, Roshin P. Tang, Wenqing Gabarró, Carolina González-Haro, Cristina Ballabrera-Poy, Joaquim Catany, Rafael Davies, Rhiannon Xie, Jiping Sabia, Roberto Yueh, Simon 2019-12-12 http://hdl.handle.net/10261/207621 unknown American Geophysical Union https://agu.confex.com/agu/fm19/meetingapp.cgi/Paper/497081 Sí 2019 AGU Fall Meeting (2019) http://hdl.handle.net/10261/207621 open póster de congreso http://purl.org/coar/resource_type/c_6670 2019 ftcsic 2024-01-16T10:52:01Z American Geophysical Union (AGU) Fall Meeting, 9-13 December 2019, San Francisco.-- Arctic+ salinity daily 9-day maps will be distributed in WGS 84 / NSIDC EASE-Grid 2.0 North EPSG:6931 (25 km) for years 2011-2019. Martínez, Justino; Gabarró, Carolina; Turiel, Antonio; 2019; >Arctic Sea Surface Salinity L3 maps (V.3.0) [Dataset]>; DIGITAL.CSIC; http://dx.doi.org/10.20350/digitalCSIC/9065 The Arctic Ocean contains only a 1% of the world's ocean water, but the rivers that flow out into it account for the 10% of the volume world's rivers freshwater. The upper layer of fresher water facilitates the creation of sea ice and plays an important role in the position of the jet stream and storms over the northern hemisphere [ISBN, 978-82-7971-097-4]. Remote sensing measurements are of special importance in the Arctic since in situ data is very scarce there. SMOS and SMAP are currently providing sea surface salinity (SSS) measures, but only the product provided by Barcelona Expert Center (BEC) is a dedicated product for the Arctic region. The product that we present in this work is an improvement of the BEC Arctic v2.0. The new version 3.0 has as the primary objective the describing better the river discharges. The spatial grid used is WGS84/NSIDC EASE-Grid 2.0 North for the all stages of the processing chain. This procedure avoids spatial interpolation, favoring the definition of river mouths. The salinity retrieval is based on the Debiased non-bayesian method [doi:10.1016/j.rse.2017.02.023] and similarly to what is done in the processing of altimetric data, SMOS salinity is corrected using a reference calculated from the own SMOS data for each latitude, longitude, pass orientation and antenna measuring position. Arctic v3.0 differs from current method [doi:10.3390/rs10111772] in two important points: the reference is computed for brightness temperature instead of SSS and the antenna has been divided in a more homogeneous grid. Other improvements concern to data filtering and propagation of the radiometric errors ... Still Image Arctic Arctic Ocean Sea ice Digital.CSIC (Spanish National Research Council) Arctic Arctic Ocean Martínez ENVELOPE(-62.183,-62.183,-64.650,-64.650) |
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Digital.CSIC (Spanish National Research Council) |
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American Geophysical Union (AGU) Fall Meeting, 9-13 December 2019, San Francisco.-- Arctic+ salinity daily 9-day maps will be distributed in WGS 84 / NSIDC EASE-Grid 2.0 North EPSG:6931 (25 km) for years 2011-2019. Martínez, Justino; Gabarró, Carolina; Turiel, Antonio; 2019; >Arctic Sea Surface Salinity L3 maps (V.3.0) [Dataset]>; DIGITAL.CSIC; http://dx.doi.org/10.20350/digitalCSIC/9065 The Arctic Ocean contains only a 1% of the world's ocean water, but the rivers that flow out into it account for the 10% of the volume world's rivers freshwater. The upper layer of fresher water facilitates the creation of sea ice and plays an important role in the position of the jet stream and storms over the northern hemisphere [ISBN, 978-82-7971-097-4]. Remote sensing measurements are of special importance in the Arctic since in situ data is very scarce there. SMOS and SMAP are currently providing sea surface salinity (SSS) measures, but only the product provided by Barcelona Expert Center (BEC) is a dedicated product for the Arctic region. The product that we present in this work is an improvement of the BEC Arctic v2.0. The new version 3.0 has as the primary objective the describing better the river discharges. The spatial grid used is WGS84/NSIDC EASE-Grid 2.0 North for the all stages of the processing chain. This procedure avoids spatial interpolation, favoring the definition of river mouths. The salinity retrieval is based on the Debiased non-bayesian method [doi:10.1016/j.rse.2017.02.023] and similarly to what is done in the processing of altimetric data, SMOS salinity is corrected using a reference calculated from the own SMOS data for each latitude, longitude, pass orientation and antenna measuring position. Arctic v3.0 differs from current method [doi:10.3390/rs10111772] in two important points: the reference is computed for brightness temperature instead of SSS and the antenna has been divided in a more homogeneous grid. Other improvements concern to data filtering and propagation of the radiometric errors ... |
format |
Still Image |
author |
Martínez, Justino González Gambau, Verónica Olmedo, Estrella Turiel, Antonio Arias, Manuel Bertino, Laurent Raj, Roshin P. Tang, Wenqing Gabarró, Carolina González-Haro, Cristina Ballabrera-Poy, Joaquim Catany, Rafael Davies, Rhiannon Xie, Jiping Sabia, Roberto Yueh, Simon |
spellingShingle |
Martínez, Justino González Gambau, Verónica Olmedo, Estrella Turiel, Antonio Arias, Manuel Bertino, Laurent Raj, Roshin P. Tang, Wenqing Gabarró, Carolina González-Haro, Cristina Ballabrera-Poy, Joaquim Catany, Rafael Davies, Rhiannon Xie, Jiping Sabia, Roberto Yueh, Simon Arctic salinity from space: Monitoring the freshwater system |
author_facet |
Martínez, Justino González Gambau, Verónica Olmedo, Estrella Turiel, Antonio Arias, Manuel Bertino, Laurent Raj, Roshin P. Tang, Wenqing Gabarró, Carolina González-Haro, Cristina Ballabrera-Poy, Joaquim Catany, Rafael Davies, Rhiannon Xie, Jiping Sabia, Roberto Yueh, Simon |
author_sort |
Martínez, Justino |
title |
Arctic salinity from space: Monitoring the freshwater system |
title_short |
Arctic salinity from space: Monitoring the freshwater system |
title_full |
Arctic salinity from space: Monitoring the freshwater system |
title_fullStr |
Arctic salinity from space: Monitoring the freshwater system |
title_full_unstemmed |
Arctic salinity from space: Monitoring the freshwater system |
title_sort |
arctic salinity from space: monitoring the freshwater system |
publisher |
American Geophysical Union |
publishDate |
2019 |
url |
http://hdl.handle.net/10261/207621 |
long_lat |
ENVELOPE(-62.183,-62.183,-64.650,-64.650) |
geographic |
Arctic Arctic Ocean Martínez |
geographic_facet |
Arctic Arctic Ocean Martínez |
genre |
Arctic Arctic Ocean Sea ice |
genre_facet |
Arctic Arctic Ocean Sea ice |
op_relation |
https://agu.confex.com/agu/fm19/meetingapp.cgi/Paper/497081 Sí 2019 AGU Fall Meeting (2019) http://hdl.handle.net/10261/207621 |
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open |
_version_ |
1790595817127542784 |