Assessing the Freeze/Thaw States in Arctic Circle Using FengYun-3E GNOS-R : An Initial Demonstration and Analysis
In this article, we present the first demonstration of the FengYun-3E (FY3E) Global Navigation Satellite System Occultation Sounder II-Reflectometry (GNOS-R) payload's capacity to detect near-surface soil freeze/thaw (F/T) states. This study offers an initial analysis of the F/T retrieval algor...
Published in: | IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing |
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Format: | Article in Journal/Newspaper |
Language: | English |
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IEEE - Institute of Electrical and Electronics Engineers Inc.
2024
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Online Access: | https://lup.lub.lu.se/record/a91ba10f-c7b2-4769-8eb5-197267a87287 https://doi.org/10.1109/JSTARS.2023.3328401 |
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ftulundlup:oai:lup.lub.lu.se:a91ba10f-c7b2-4769-8eb5-197267a87287 2024-06-02T08:01:08+00:00 Assessing the Freeze/Thaw States in Arctic Circle Using FengYun-3E GNOS-R : An Initial Demonstration and Analysis Wu, Xuerui Ouyang, Xinqiu Wu, Shengli Wang, Fang Duan, Zheng 2024 https://lup.lub.lu.se/record/a91ba10f-c7b2-4769-8eb5-197267a87287 https://doi.org/10.1109/JSTARS.2023.3328401 eng eng IEEE - Institute of Electrical and Electronics Engineers Inc. https://lup.lub.lu.se/record/a91ba10f-c7b2-4769-8eb5-197267a87287 http://dx.doi.org/10.1109/JSTARS.2023.3328401 scopus:85179012420 IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing; 17, pp 274-281 (2024) ISSN: 1939-1404 Control Engineering Arctic circle freeze/thaw (F/T) retrieval Global Navigation Satellite System Occultation Sounder II-reflectometry (GNOS-R) Global Navigation Satellite System-Reflectometry (GNSS-R) soil moisture active passive (SMAP) contributiontojournal/article info:eu-repo/semantics/article text 2024 ftulundlup https://doi.org/10.1109/JSTARS.2023.3328401 2024-05-06T14:17:25Z In this article, we present the first demonstration of the FengYun-3E (FY3E) Global Navigation Satellite System Occultation Sounder II-Reflectometry (GNOS-R) payload's capacity to detect near-surface soil freeze/thaw (F/T) states. This study offers an initial analysis of the F/T retrieval algorithm applied to data collected from the Arctic Circle, underscoring the GNOS-R's potential to deliver long-term near-surface soil F/T products. Data for the period extending from the launch day of GNOS-R (Day of Year (DOY) 179, 2021) to DOY 270 in 2022 were analyzed using the surface reflectivity (SR) ratio factor to discriminate F/T variations. Comparisons were made with soil moisture active passive (SMAP) F/T products, serving as an auxiliary analysis. We found a strong consistency between SR ratio factor and SMAP F/T values, with the accuracy of the F/T retrieval algorithm exceeding 60%. These findings corroborate the efficacy of the GNOS-R payload aboard FY3E in monitoring F/T patterns at higher latitudes, specifically, the Arctic Circle. The outcomes of this study will be beneficial for future F/T detection efforts using spaceborne Global Navigation Satellite System-Reflectometry payloads. Article in Journal/Newspaper Arctic Lund University Publications (LUP) Arctic IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 17 274 281 |
institution |
Open Polar |
collection |
Lund University Publications (LUP) |
op_collection_id |
ftulundlup |
language |
English |
topic |
Control Engineering Arctic circle freeze/thaw (F/T) retrieval Global Navigation Satellite System Occultation Sounder II-reflectometry (GNOS-R) Global Navigation Satellite System-Reflectometry (GNSS-R) soil moisture active passive (SMAP) |
spellingShingle |
Control Engineering Arctic circle freeze/thaw (F/T) retrieval Global Navigation Satellite System Occultation Sounder II-reflectometry (GNOS-R) Global Navigation Satellite System-Reflectometry (GNSS-R) soil moisture active passive (SMAP) Wu, Xuerui Ouyang, Xinqiu Wu, Shengli Wang, Fang Duan, Zheng Assessing the Freeze/Thaw States in Arctic Circle Using FengYun-3E GNOS-R : An Initial Demonstration and Analysis |
topic_facet |
Control Engineering Arctic circle freeze/thaw (F/T) retrieval Global Navigation Satellite System Occultation Sounder II-reflectometry (GNOS-R) Global Navigation Satellite System-Reflectometry (GNSS-R) soil moisture active passive (SMAP) |
description |
In this article, we present the first demonstration of the FengYun-3E (FY3E) Global Navigation Satellite System Occultation Sounder II-Reflectometry (GNOS-R) payload's capacity to detect near-surface soil freeze/thaw (F/T) states. This study offers an initial analysis of the F/T retrieval algorithm applied to data collected from the Arctic Circle, underscoring the GNOS-R's potential to deliver long-term near-surface soil F/T products. Data for the period extending from the launch day of GNOS-R (Day of Year (DOY) 179, 2021) to DOY 270 in 2022 were analyzed using the surface reflectivity (SR) ratio factor to discriminate F/T variations. Comparisons were made with soil moisture active passive (SMAP) F/T products, serving as an auxiliary analysis. We found a strong consistency between SR ratio factor and SMAP F/T values, with the accuracy of the F/T retrieval algorithm exceeding 60%. These findings corroborate the efficacy of the GNOS-R payload aboard FY3E in monitoring F/T patterns at higher latitudes, specifically, the Arctic Circle. The outcomes of this study will be beneficial for future F/T detection efforts using spaceborne Global Navigation Satellite System-Reflectometry payloads. |
format |
Article in Journal/Newspaper |
author |
Wu, Xuerui Ouyang, Xinqiu Wu, Shengli Wang, Fang Duan, Zheng |
author_facet |
Wu, Xuerui Ouyang, Xinqiu Wu, Shengli Wang, Fang Duan, Zheng |
author_sort |
Wu, Xuerui |
title |
Assessing the Freeze/Thaw States in Arctic Circle Using FengYun-3E GNOS-R : An Initial Demonstration and Analysis |
title_short |
Assessing the Freeze/Thaw States in Arctic Circle Using FengYun-3E GNOS-R : An Initial Demonstration and Analysis |
title_full |
Assessing the Freeze/Thaw States in Arctic Circle Using FengYun-3E GNOS-R : An Initial Demonstration and Analysis |
title_fullStr |
Assessing the Freeze/Thaw States in Arctic Circle Using FengYun-3E GNOS-R : An Initial Demonstration and Analysis |
title_full_unstemmed |
Assessing the Freeze/Thaw States in Arctic Circle Using FengYun-3E GNOS-R : An Initial Demonstration and Analysis |
title_sort |
assessing the freeze/thaw states in arctic circle using fengyun-3e gnos-r : an initial demonstration and analysis |
publisher |
IEEE - Institute of Electrical and Electronics Engineers Inc. |
publishDate |
2024 |
url |
https://lup.lub.lu.se/record/a91ba10f-c7b2-4769-8eb5-197267a87287 https://doi.org/10.1109/JSTARS.2023.3328401 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing; 17, pp 274-281 (2024) ISSN: 1939-1404 |
op_relation |
https://lup.lub.lu.se/record/a91ba10f-c7b2-4769-8eb5-197267a87287 http://dx.doi.org/10.1109/JSTARS.2023.3328401 scopus:85179012420 |
op_doi |
https://doi.org/10.1109/JSTARS.2023.3328401 |
container_title |
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing |
container_volume |
17 |
container_start_page |
274 |
op_container_end_page |
281 |
_version_ |
1800745388603342848 |