Arctic sea ice motion change and response to atmospheric forcing between 1979 and 2019
Abstract Quantification of the spatial variability and long‐term changes of Arctic sea ice motion is important for understanding the mechanisms of rapid Arctic sea ice decline because sea ice motion determines ice mass advection, outflow, thickness redistribution, as well as the formation of leads a...
Published in: | International Journal of Climatology |
---|---|
Main Authors: | , , , , , |
Other Authors: | , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Wiley
2021
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1002/joc.7340 https://onlinelibrary.wiley.com/doi/pdf/10.1002/joc.7340 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/joc.7340 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/joc.7340 |
id |
crwiley:10.1002/joc.7340 |
---|---|
record_format |
openpolar |
spelling |
crwiley:10.1002/joc.7340 2024-09-15T17:53:36+00:00 Arctic sea ice motion change and response to atmospheric forcing between 1979 and 2019 Zhang, Fanyi Pang, Xiaoping Lei, Ruibo Zhai, Mengxi Zhao, Xi Cai, Qiongqiong National Basic Research Program of China National Natural Science Foundation of China 2021 http://dx.doi.org/10.1002/joc.7340 https://onlinelibrary.wiley.com/doi/pdf/10.1002/joc.7340 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/joc.7340 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/joc.7340 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor International Journal of Climatology volume 42, issue 3, page 1854-1876 ISSN 0899-8418 1097-0088 journal-article 2021 crwiley https://doi.org/10.1002/joc.7340 2024-08-27T04:29:24Z Abstract Quantification of the spatial variability and long‐term changes of Arctic sea ice motion is important for understanding the mechanisms of rapid Arctic sea ice decline because sea ice motion determines ice mass advection, outflow, thickness redistribution, as well as the formation of leads and ridges associated with ice deformation. The spatiotemporal changes in Arctic sea ice motion between 1979 and 2019 and their responses to atmospheric forcing were analysed using satellite‐derived sea ice motion products and atmospheric reanalysis data. The pan‐Arctic average sea ice drift speed increased significantly for all seasons between 1979 and 2019 ( p < .001). Rates of increase were higher in autumn and winter than in spring and summer. Spatially, rates of increase in the peripheral seas in the Pacific sector—the Beaufort, Chukchi and East Siberian Seas—were higher than in the central Arctic Ocean and the peripheral seas in the Atlantic sector—the Kara and Laptev Seas. On the contrary, Arctic wind speed increased significantly only in autumn ( p < .01). However, the correlation between wind speed and ice speed was the lowest in this season, suggesting that wind forcing is unable to completely account for drift speed increase. In general, the trends in above‐average drift speeds—retrieved from grid cells with the relatively high drift speeds—were statistically significant and were larger than that in average drift speeds probably because of enhanced response of ice motion to extreme wind forcing. The influence of the Arctic Oscillation, Beaufort High, and North Atlantic Oscillation on the zonal ice speed was symmetrical between the Pacific and Atlantic sectors of the Arctic Ocean, while the influence of the Dipole Anomaly and the east–west surface air pressure gradient in central Arctic on the meridional ice speed was distributed in an annular pattern and was the strongest along the Transpolar Drift Stream. Article in Journal/Newspaper Arctic Ocean Chukchi laptev North Atlantic North Atlantic oscillation Sea ice Wiley Online Library International Journal of Climatology |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
Abstract Quantification of the spatial variability and long‐term changes of Arctic sea ice motion is important for understanding the mechanisms of rapid Arctic sea ice decline because sea ice motion determines ice mass advection, outflow, thickness redistribution, as well as the formation of leads and ridges associated with ice deformation. The spatiotemporal changes in Arctic sea ice motion between 1979 and 2019 and their responses to atmospheric forcing were analysed using satellite‐derived sea ice motion products and atmospheric reanalysis data. The pan‐Arctic average sea ice drift speed increased significantly for all seasons between 1979 and 2019 ( p < .001). Rates of increase were higher in autumn and winter than in spring and summer. Spatially, rates of increase in the peripheral seas in the Pacific sector—the Beaufort, Chukchi and East Siberian Seas—were higher than in the central Arctic Ocean and the peripheral seas in the Atlantic sector—the Kara and Laptev Seas. On the contrary, Arctic wind speed increased significantly only in autumn ( p < .01). However, the correlation between wind speed and ice speed was the lowest in this season, suggesting that wind forcing is unable to completely account for drift speed increase. In general, the trends in above‐average drift speeds—retrieved from grid cells with the relatively high drift speeds—were statistically significant and were larger than that in average drift speeds probably because of enhanced response of ice motion to extreme wind forcing. The influence of the Arctic Oscillation, Beaufort High, and North Atlantic Oscillation on the zonal ice speed was symmetrical between the Pacific and Atlantic sectors of the Arctic Ocean, while the influence of the Dipole Anomaly and the east–west surface air pressure gradient in central Arctic on the meridional ice speed was distributed in an annular pattern and was the strongest along the Transpolar Drift Stream. |
author2 |
National Basic Research Program of China National Natural Science Foundation of China |
format |
Article in Journal/Newspaper |
author |
Zhang, Fanyi Pang, Xiaoping Lei, Ruibo Zhai, Mengxi Zhao, Xi Cai, Qiongqiong |
spellingShingle |
Zhang, Fanyi Pang, Xiaoping Lei, Ruibo Zhai, Mengxi Zhao, Xi Cai, Qiongqiong Arctic sea ice motion change and response to atmospheric forcing between 1979 and 2019 |
author_facet |
Zhang, Fanyi Pang, Xiaoping Lei, Ruibo Zhai, Mengxi Zhao, Xi Cai, Qiongqiong |
author_sort |
Zhang, Fanyi |
title |
Arctic sea ice motion change and response to atmospheric forcing between 1979 and 2019 |
title_short |
Arctic sea ice motion change and response to atmospheric forcing between 1979 and 2019 |
title_full |
Arctic sea ice motion change and response to atmospheric forcing between 1979 and 2019 |
title_fullStr |
Arctic sea ice motion change and response to atmospheric forcing between 1979 and 2019 |
title_full_unstemmed |
Arctic sea ice motion change and response to atmospheric forcing between 1979 and 2019 |
title_sort |
arctic sea ice motion change and response to atmospheric forcing between 1979 and 2019 |
publisher |
Wiley |
publishDate |
2021 |
url |
http://dx.doi.org/10.1002/joc.7340 https://onlinelibrary.wiley.com/doi/pdf/10.1002/joc.7340 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/joc.7340 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/joc.7340 |
genre |
Arctic Ocean Chukchi laptev North Atlantic North Atlantic oscillation Sea ice |
genre_facet |
Arctic Ocean Chukchi laptev North Atlantic North Atlantic oscillation Sea ice |
op_source |
International Journal of Climatology volume 42, issue 3, page 1854-1876 ISSN 0899-8418 1097-0088 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1002/joc.7340 |
container_title |
International Journal of Climatology |
_version_ |
1810429505261535232 |