First results of the ARIEL L-band radiometer on the MOSAiC Arctic Expedition during the late summer and autumn period
17 pages, 9 figures, 4 tables.-- Data accessibility statement: All of the data used in this study are included in Tables 1 and 2 of this manuscript and are available from the PANGAEA webpage (Gabarró et al., 2022a; Gabarró et al., 2022b). The data are also available on the Barcelona Expert Center we...
Published in: | Elementa: Science of the Anthropocene |
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Format: | Article in Journal/Newspaper |
Language: | English |
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University of California Press
2022
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Online Access: | http://hdl.handle.net/10261/279973 https://doi.org/10.1525/elementa.2022.00031 https://doi.org/10.13039/501100011033 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100001659 |
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ftcsic:oai:digital.csic.es:10261/279973 2024-02-11T10:00:38+01:00 First results of the ARIEL L-band radiometer on the MOSAiC Arctic Expedition during the late summer and autumn period Gabarró, Carolina Fabregat, Pau Hernández-Macià, Ferran Jove-Casulleras, Roger Salvador, Joaquín Spreen, Gunnar Thielke, Linda Dadic, Ruzica Huntemann, Marcus Kolabutin, Nikolai Nomura, Daiki Hannula, Henna-Reetta Schneebeli, Martin Ministerio de Ciencia, Innovación y Universidades (España) German Research Foundation European Commission Agencia Estatal de Investigación (España) 2022-09 http://hdl.handle.net/10261/279973 https://doi.org/10.1525/elementa.2022.00031 https://doi.org/10.13039/501100011033 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100001659 en eng University of California Press #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PCI2019-111844-2/ES/MEJORANDO LOS MODELOS DE EMISIVIDAD DEL HIELO MARINO EN LAS MICROONDAS DE BAJA FRECUENCIA/ info:eu-repo/grantAgreement/EC/H2020/101003826 Publisher's version https://doi.org/10.1525/elementa.2022.00031 Sí Elementa: Science of the Anthropocene 10(1): 00031 (2022) CEX2019-000928-S http://hdl.handle.net/10261/279973 doi:10.1525/elementa.2022.00031 2325-1026 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100001659 open Radiometry Arctic Emissivity Sea ice SMOS artículo 2022 ftcsic https://doi.org/10.1525/elementa.2022.0003110.13039/50110001103310.13039/50110000078010.13039/501100001659 2024-01-16T11:29:24Z 17 pages, 9 figures, 4 tables.-- Data accessibility statement: All of the data used in this study are included in Tables 1 and 2 of this manuscript and are available from the PANGAEA webpage (Gabarró et al., 2022a; Gabarró et al., 2022b). The data are also available on the Barcelona Expert Center webpage (https://bec.icm.csic.es/) Arctic sea ice is changing rapidly. Its retreat significantly impacts Arctic heat fluxes, ocean currents, and ecology, warranting the continuous monitoring and tracking of changes to sea ice extent and thickness. L-band (1.4 GHz) microwave radiometry can measure sea ice thickness for thin ice ≤1 m, depending on salinity and temperature. The sensitivity to thin ice makes L-band measurements complementary to radar altimetry which can measure the thickness of thick ice with reasonable accuracy. During the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition, we deployed the mobile ARIEL L-band radiometer on the sea ice floe next to research vessel Polarstern to study the sensitivity of the L-band to different sea ice parameters (e.g., snow and ice thickness, ice salinity, ice and snow temperature), with the aim to help improve/validate current microwave emission models. Our results show that ARIEL is sensitive to different types of surfaces (ice, leads, and melt ponds) and to ice thickness up to 70 cm when the salinity of the sea ice is low. The measurements can be reproduced with the Burke emission model when in situ snow and ice measurements for the autumn transects were used as model input. The correlation coefficient for modeled Burke brightness temperature (BT) versus ARIEL measurements was approximately 0.8. The discrepancy between the measurements and the model is about 5%, depending on the transects analyzed. No explicit dependence on snow depth was detected. We present a qualitative analysis for thin ice observations on leads. We have demonstrated that the ARIEL radiometer is an excellent field instrument for quantifying the sensitivity of ... Article in Journal/Newspaper Arctic Sea ice Digital.CSIC (Spanish National Research Council) Arctic Elementa: Science of the Anthropocene 10 1 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
English |
topic |
Radiometry Arctic Emissivity Sea ice SMOS |
spellingShingle |
Radiometry Arctic Emissivity Sea ice SMOS Gabarró, Carolina Fabregat, Pau Hernández-Macià, Ferran Jove-Casulleras, Roger Salvador, Joaquín Spreen, Gunnar Thielke, Linda Dadic, Ruzica Huntemann, Marcus Kolabutin, Nikolai Nomura, Daiki Hannula, Henna-Reetta Schneebeli, Martin First results of the ARIEL L-band radiometer on the MOSAiC Arctic Expedition during the late summer and autumn period |
topic_facet |
Radiometry Arctic Emissivity Sea ice SMOS |
description |
17 pages, 9 figures, 4 tables.-- Data accessibility statement: All of the data used in this study are included in Tables 1 and 2 of this manuscript and are available from the PANGAEA webpage (Gabarró et al., 2022a; Gabarró et al., 2022b). The data are also available on the Barcelona Expert Center webpage (https://bec.icm.csic.es/) Arctic sea ice is changing rapidly. Its retreat significantly impacts Arctic heat fluxes, ocean currents, and ecology, warranting the continuous monitoring and tracking of changes to sea ice extent and thickness. L-band (1.4 GHz) microwave radiometry can measure sea ice thickness for thin ice ≤1 m, depending on salinity and temperature. The sensitivity to thin ice makes L-band measurements complementary to radar altimetry which can measure the thickness of thick ice with reasonable accuracy. During the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition, we deployed the mobile ARIEL L-band radiometer on the sea ice floe next to research vessel Polarstern to study the sensitivity of the L-band to different sea ice parameters (e.g., snow and ice thickness, ice salinity, ice and snow temperature), with the aim to help improve/validate current microwave emission models. Our results show that ARIEL is sensitive to different types of surfaces (ice, leads, and melt ponds) and to ice thickness up to 70 cm when the salinity of the sea ice is low. The measurements can be reproduced with the Burke emission model when in situ snow and ice measurements for the autumn transects were used as model input. The correlation coefficient for modeled Burke brightness temperature (BT) versus ARIEL measurements was approximately 0.8. The discrepancy between the measurements and the model is about 5%, depending on the transects analyzed. No explicit dependence on snow depth was detected. We present a qualitative analysis for thin ice observations on leads. We have demonstrated that the ARIEL radiometer is an excellent field instrument for quantifying the sensitivity of ... |
author2 |
Ministerio de Ciencia, Innovación y Universidades (España) German Research Foundation European Commission Agencia Estatal de Investigación (España) |
format |
Article in Journal/Newspaper |
author |
Gabarró, Carolina Fabregat, Pau Hernández-Macià, Ferran Jove-Casulleras, Roger Salvador, Joaquín Spreen, Gunnar Thielke, Linda Dadic, Ruzica Huntemann, Marcus Kolabutin, Nikolai Nomura, Daiki Hannula, Henna-Reetta Schneebeli, Martin |
author_facet |
Gabarró, Carolina Fabregat, Pau Hernández-Macià, Ferran Jove-Casulleras, Roger Salvador, Joaquín Spreen, Gunnar Thielke, Linda Dadic, Ruzica Huntemann, Marcus Kolabutin, Nikolai Nomura, Daiki Hannula, Henna-Reetta Schneebeli, Martin |
author_sort |
Gabarró, Carolina |
title |
First results of the ARIEL L-band radiometer on the MOSAiC Arctic Expedition during the late summer and autumn period |
title_short |
First results of the ARIEL L-band radiometer on the MOSAiC Arctic Expedition during the late summer and autumn period |
title_full |
First results of the ARIEL L-band radiometer on the MOSAiC Arctic Expedition during the late summer and autumn period |
title_fullStr |
First results of the ARIEL L-band radiometer on the MOSAiC Arctic Expedition during the late summer and autumn period |
title_full_unstemmed |
First results of the ARIEL L-band radiometer on the MOSAiC Arctic Expedition during the late summer and autumn period |
title_sort |
first results of the ariel l-band radiometer on the mosaic arctic expedition during the late summer and autumn period |
publisher |
University of California Press |
publishDate |
2022 |
url |
http://hdl.handle.net/10261/279973 https://doi.org/10.1525/elementa.2022.00031 https://doi.org/10.13039/501100011033 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100001659 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Sea ice |
genre_facet |
Arctic Sea ice |
op_relation |
#PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PCI2019-111844-2/ES/MEJORANDO LOS MODELOS DE EMISIVIDAD DEL HIELO MARINO EN LAS MICROONDAS DE BAJA FRECUENCIA/ info:eu-repo/grantAgreement/EC/H2020/101003826 Publisher's version https://doi.org/10.1525/elementa.2022.00031 Sí Elementa: Science of the Anthropocene 10(1): 00031 (2022) CEX2019-000928-S http://hdl.handle.net/10261/279973 doi:10.1525/elementa.2022.00031 2325-1026 http://dx.doi.org/10.13039/501100011033 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100001659 |
op_rights |
open |
op_doi |
https://doi.org/10.1525/elementa.2022.0003110.13039/50110001103310.13039/50110000078010.13039/501100001659 |
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Elementa: Science of the Anthropocene |
container_volume |
10 |
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1790596337937416192 |