Advanced method for sea ice concentration retrieval from satellite microwave radiometer measurements at frequencies near 90 GHz
International audience An advanced method for sea ice concentration retrieval from satellite microwave radiometer measurements at frequencies near 90 GHz is presented. The method is based on the new approach for the determination of the tie points ― the polarization differences (PD) of the brightnes...
Published in: | Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa |
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Online Access: | https://hal.science/hal-04202663 https://doi.org/10.21046/2070-7401-2019-16-4-233-243 |
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ftinsu:oai:HAL:hal-04202663v1 2024-04-14T08:07:39+00:00 Advanced method for sea ice concentration retrieval from satellite microwave radiometer measurements at frequencies near 90 GHz Zabolotskikh, E.V. Balashova, E.A. Chapron, Bertrand Laboratoire d'Océanographie Physique et Spatiale (LOPS) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS) 2019 https://hal.science/hal-04202663 https://doi.org/10.21046/2070-7401-2019-16-4-233-243 en eng HAL CCSD info:eu-repo/semantics/altIdentifier/doi/10.21046/2070-7401-2019-16-4-233-243 hal-04202663 https://hal.science/hal-04202663 doi:10.21046/2070-7401-2019-16-4-233-243 ISSN: 2411-0280 Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosaCurrent problems in remote sensing of the Earth from space https://hal.science/hal-04202663 Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosaCurrent problems in remote sensing of the Earth from space, 2019, 16 (4), pp.233-243. ⟨10.21046/2070-7401-2019-16-4-233-243⟩ [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/article Journal articles 2019 ftinsu https://doi.org/10.21046/2070-7401-2019-16-4-233-243 2024-03-21T17:06:29Z International audience An advanced method for sea ice concentration retrieval from satellite microwave radiometer measurements at frequencies near 90 GHz is presented. The method is based on the new approach for the determination of the tie points ― the polarization differences (PD) of the brightness temperatures (TB) of the ocean-atmosphere system (PDW) and the sea ice-atmosphere system microwave radiation (PDSI). The approach is based on the results of physical modeling of the sea ice – ocean – atmosphere TB and the analysis of the measurements of the Advanced Microwave Scanning Radiometer 2 (AMSR2) in the Arctic region. The TB simulation is carried out for the whole ranges of the Arctic atmospheric conditions and sea ice and ocean parameters. The method of sea ice concentration (SIC) retrieval uses PD in measurements on the vertical and horizontal polarization at the frequency of 89 GHz and the values of tie points over the ice-free sea surface and over the sea ice. The range of PDW and PDSI variability is analyzed basing on the AMSR2 measurement data and the results of TB model calculations. The advancement of the method as compared to those traditionally used is the use of variable PDW values depending on how far from the sea ice edge is the pixel for which C is estimated. The method was tested using the maps of the Norwegian Meteorological Institute (NMI) for the Northeren, Kara and Barents seas. The error of SIC estimation, calculated using the new method, turned out to be 4.2 %, which is almost two times lower than the error of the standard product of the University of Bremen, calculated using the same verification data set. Article in Journal/Newspaper Arctic Sea ice Institut national des sciences de l'Univers: HAL-INSU Arctic Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa 16 4 233 243 |
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Open Polar |
collection |
Institut national des sciences de l'Univers: HAL-INSU |
op_collection_id |
ftinsu |
language |
English |
topic |
[SDU]Sciences of the Universe [physics] |
spellingShingle |
[SDU]Sciences of the Universe [physics] Zabolotskikh, E.V. Balashova, E.A. Chapron, Bertrand Advanced method for sea ice concentration retrieval from satellite microwave radiometer measurements at frequencies near 90 GHz |
topic_facet |
[SDU]Sciences of the Universe [physics] |
description |
International audience An advanced method for sea ice concentration retrieval from satellite microwave radiometer measurements at frequencies near 90 GHz is presented. The method is based on the new approach for the determination of the tie points ― the polarization differences (PD) of the brightness temperatures (TB) of the ocean-atmosphere system (PDW) and the sea ice-atmosphere system microwave radiation (PDSI). The approach is based on the results of physical modeling of the sea ice – ocean – atmosphere TB and the analysis of the measurements of the Advanced Microwave Scanning Radiometer 2 (AMSR2) in the Arctic region. The TB simulation is carried out for the whole ranges of the Arctic atmospheric conditions and sea ice and ocean parameters. The method of sea ice concentration (SIC) retrieval uses PD in measurements on the vertical and horizontal polarization at the frequency of 89 GHz and the values of tie points over the ice-free sea surface and over the sea ice. The range of PDW and PDSI variability is analyzed basing on the AMSR2 measurement data and the results of TB model calculations. The advancement of the method as compared to those traditionally used is the use of variable PDW values depending on how far from the sea ice edge is the pixel for which C is estimated. The method was tested using the maps of the Norwegian Meteorological Institute (NMI) for the Northeren, Kara and Barents seas. The error of SIC estimation, calculated using the new method, turned out to be 4.2 %, which is almost two times lower than the error of the standard product of the University of Bremen, calculated using the same verification data set. |
author2 |
Laboratoire d'Océanographie Physique et Spatiale (LOPS) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Zabolotskikh, E.V. Balashova, E.A. Chapron, Bertrand |
author_facet |
Zabolotskikh, E.V. Balashova, E.A. Chapron, Bertrand |
author_sort |
Zabolotskikh, E.V. |
title |
Advanced method for sea ice concentration retrieval from satellite microwave radiometer measurements at frequencies near 90 GHz |
title_short |
Advanced method for sea ice concentration retrieval from satellite microwave radiometer measurements at frequencies near 90 GHz |
title_full |
Advanced method for sea ice concentration retrieval from satellite microwave radiometer measurements at frequencies near 90 GHz |
title_fullStr |
Advanced method for sea ice concentration retrieval from satellite microwave radiometer measurements at frequencies near 90 GHz |
title_full_unstemmed |
Advanced method for sea ice concentration retrieval from satellite microwave radiometer measurements at frequencies near 90 GHz |
title_sort |
advanced method for sea ice concentration retrieval from satellite microwave radiometer measurements at frequencies near 90 ghz |
publisher |
HAL CCSD |
publishDate |
2019 |
url |
https://hal.science/hal-04202663 https://doi.org/10.21046/2070-7401-2019-16-4-233-243 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Sea ice |
genre_facet |
Arctic Sea ice |
op_source |
ISSN: 2411-0280 Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosaCurrent problems in remote sensing of the Earth from space https://hal.science/hal-04202663 Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosaCurrent problems in remote sensing of the Earth from space, 2019, 16 (4), pp.233-243. ⟨10.21046/2070-7401-2019-16-4-233-243⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.21046/2070-7401-2019-16-4-233-243 hal-04202663 https://hal.science/hal-04202663 doi:10.21046/2070-7401-2019-16-4-233-243 |
op_doi |
https://doi.org/10.21046/2070-7401-2019-16-4-233-243 |
container_title |
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa |
container_volume |
16 |
container_issue |
4 |
container_start_page |
233 |
op_container_end_page |
243 |
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1796305053555884032 |