Late winter observations of sea ice pressure ridge sail height

Duncan, Kyle; Farrell, Sinead L.; Hutchings, Jennifer; Richter-Menge, Jacqueline

doi:10.1109/LGRS.2020.3004724

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Late winter observations of sea ice pressure ridge sail height

2021
By Duncan, Kyle ; Farrell, Sinead L. ; Hutchings, Jennifer ; ...
Source: IEEE Geoscience and Remote Sensing Letters 18(9): 1525-1529

[PDF-3.60 MB]

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Journal Title:

IEEE Geoscience and Remote Sensing Letters
Personal Author:

Duncan, Kyle ; Farrell, Sinead L. ; Hutchings, Jennifer ; Richter-Menge, Jacqueline

Duncan, Kyle ; Farrell, Sinead L. ; Hutchings, Jennifer ; Richter-Menge, Jacqueline Less -
NOAA Program & Office:

CISESS (Cooperative Institute for Satellite Earth System Studies) ; CICS (Cooperative Institute for Climate and Satellites)

CISESS (Cooperative Institute for Satellite Earth System Studies) ; CICS (Cooperative Institute for Climate and Satellites) Less -
Description:

Analysis of high-resolution imagery acquired by the Digital Mapping System during annual, late-winter NASA Operation IceBridge surveys of Arctic sea ice between 2010 and 2018 reveals that pressure ridge sail heights (HS) vary regionally and interannually.We find distinct differences in HS distributions between the central Arctic (CA) and the Beaufort/Chukchi Seas region. Our results show that differences with respect to ice type occur within the tails of the HS distributions and that the 95th and 99th percentiles of HS are strong indicators of the predominant ice type in which the pressure ridge formed. During the first part of the study period HS increased, with the largest sails observed in the winters of 2015 and 2016, after which HS declined, suggesting that the most heavily deformed sea ice may have drifted beyond the area surveyed and exited the CA. Our analysis of the interannual and regional variability in sea ice deformation in the western Arctic during the last decade provides an improved understanding of sail height that will help advance ridge parameterizations in sea ice models.
Keywords:

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Remote Sensing Sea Ice
Source:

IEEE Geoscience and Remote Sensing Letters 18(9): 1525-1529
DOI:

https://doi.org/10.1109/LGRS.2020.3004724
Document Type:

Journal Article
Funding:

Grant no. NA19NES4320002 ; Grant no. NA14NES4320003

Grant no. NA19NES4320002 ; Grant no. NA14NES4320003 Less -
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https://creativecommons.org/licenses/by/4.0/
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CC BY
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Submitted
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urn:sha256:228ae123fc7c08468c56639f760a7edf471f5082f6e86d738a3916fccea578ad
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https://repository.library.noaa.gov/view/noaa/48124/noaa_48124_DS1.pdf
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Late winter observations of sea ice pressure ridge sail height

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