Multi-scale satellite observations of Arctic sea ice: new insight into the life cycle of the floe size distribution
This study provides a new conceptional framework to understand the life cycle of the floe size distribution of Arctic sea ice and the associated processes. We derived the floe size distribution from selected multi-scale satellite imagery data acquired from different locations and times in the Arctic...
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ftpubmed:oai:pubmedcentral.nih.gov:9464514 2023-05-15T14:53:42+02:00 Multi-scale satellite observations of Arctic sea ice: new insight into the life cycle of the floe size distribution Hwang, Byongjun Wang, Yanan 2022-10-31 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9464514/ http://www.ncbi.nlm.nih.gov/pubmed/36088919 https://doi.org/10.1098/rsta.2021.0259 en eng The Royal Society http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9464514/ http://www.ncbi.nlm.nih.gov/pubmed/36088919 http://dx.doi.org/10.1098/rsta.2021.0259 © 2022 The Authors. https://creativecommons.org/licenses/by/4.0/Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, provided the original author and source are credited. CC-BY Philos Trans A Math Phys Eng Sci Articles Text 2022 ftpubmed https://doi.org/10.1098/rsta.2021.0259 2022-10-02T00:30:47Z This study provides a new conceptional framework to understand the life cycle of the floe size distribution of Arctic sea ice and the associated processes. We derived the floe size distribution from selected multi-scale satellite imagery data acquired from different locations and times in the Arctic. Our study identifies three stages of the floe size evolution during summer – ‘fracturing’, ‘transition’ and ‘melt/wave fragmentation’. Fracturing defines the initial floe size distribution (N ∼ d(−α), where d is floe size) formed from the spring breakup, characterized by the single power-law regime over d = 30–3000 m with α [Formula: see text] 2. The initial floe size distribution is then modified by various floe fragmentation processes during the transition period, which is characterized by ‘selective’ fragmentation of large floes (d > 200–300 m) with variable α = 2.5–3.5 depending on the degree of fragmentation. As ice melt intensifies, the melt fragmentation expands the single power-law regime into smaller floes (d = 70 m) with α = 2.4–3.8, while a significant reduction of small floes (d < 30–40 m) occurs due to lateral melt. The shape factor shows an overall progression from elongated floes into rounded floes. The effects of scaling and wave-fracture are also discussed. This article is part of the theme issue 'Theory, modelling and observations of marginal ice zone dynamics: multidisciplinary perspectives and outlooks'. Text Arctic Sea ice PubMed Central (PMC) Arctic Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 380 2235 |
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Articles Hwang, Byongjun Wang, Yanan Multi-scale satellite observations of Arctic sea ice: new insight into the life cycle of the floe size distribution |
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Articles |
description |
This study provides a new conceptional framework to understand the life cycle of the floe size distribution of Arctic sea ice and the associated processes. We derived the floe size distribution from selected multi-scale satellite imagery data acquired from different locations and times in the Arctic. Our study identifies three stages of the floe size evolution during summer – ‘fracturing’, ‘transition’ and ‘melt/wave fragmentation’. Fracturing defines the initial floe size distribution (N ∼ d(−α), where d is floe size) formed from the spring breakup, characterized by the single power-law regime over d = 30–3000 m with α [Formula: see text] 2. The initial floe size distribution is then modified by various floe fragmentation processes during the transition period, which is characterized by ‘selective’ fragmentation of large floes (d > 200–300 m) with variable α = 2.5–3.5 depending on the degree of fragmentation. As ice melt intensifies, the melt fragmentation expands the single power-law regime into smaller floes (d = 70 m) with α = 2.4–3.8, while a significant reduction of small floes (d < 30–40 m) occurs due to lateral melt. The shape factor shows an overall progression from elongated floes into rounded floes. The effects of scaling and wave-fracture are also discussed. This article is part of the theme issue 'Theory, modelling and observations of marginal ice zone dynamics: multidisciplinary perspectives and outlooks'. |
format |
Text |
author |
Hwang, Byongjun Wang, Yanan |
author_facet |
Hwang, Byongjun Wang, Yanan |
author_sort |
Hwang, Byongjun |
title |
Multi-scale satellite observations of Arctic sea ice: new insight into the life cycle of the floe size distribution |
title_short |
Multi-scale satellite observations of Arctic sea ice: new insight into the life cycle of the floe size distribution |
title_full |
Multi-scale satellite observations of Arctic sea ice: new insight into the life cycle of the floe size distribution |
title_fullStr |
Multi-scale satellite observations of Arctic sea ice: new insight into the life cycle of the floe size distribution |
title_full_unstemmed |
Multi-scale satellite observations of Arctic sea ice: new insight into the life cycle of the floe size distribution |
title_sort |
multi-scale satellite observations of arctic sea ice: new insight into the life cycle of the floe size distribution |
publisher |
The Royal Society |
publishDate |
2022 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9464514/ http://www.ncbi.nlm.nih.gov/pubmed/36088919 https://doi.org/10.1098/rsta.2021.0259 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Sea ice |
genre_facet |
Arctic Sea ice |
op_source |
Philos Trans A Math Phys Eng Sci |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9464514/ http://www.ncbi.nlm.nih.gov/pubmed/36088919 http://dx.doi.org/10.1098/rsta.2021.0259 |
op_rights |
© 2022 The Authors. https://creativecommons.org/licenses/by/4.0/Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, provided the original author and source are credited. |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1098/rsta.2021.0259 |
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Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences |
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380 |
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2235 |
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