Connections between north‐central United States summer hydroclimatology and Arctic sea ice variability
ABSTRACT Arctic sea ice has been shrinking at unprecedented rates over the past three decades. These cryospheric changes have coincided with greater incidence of global extreme weather conditions, including increased severity and frequency of summer heatwaves and extreme rainfall events. Recent stud...
Published in: | International Journal of Climatology |
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crwiley:10.1002/joc.5097 2024-06-23T07:48:52+00:00 Connections between north‐central United States summer hydroclimatology and Arctic sea ice variability Budikova, Dagmar Ford, Trent W. Ballinger, Thomas J. 2017 http://dx.doi.org/10.1002/joc.5097 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fjoc.5097 https://onlinelibrary.wiley.com/doi/pdf/10.1002/joc.5097 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/joc.5097 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/joc.5097 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor International Journal of Climatology volume 37, issue 12, page 4434-4450 ISSN 0899-8418 1097-0088 journal-article 2017 crwiley https://doi.org/10.1002/joc.5097 2024-06-11T04:42:16Z ABSTRACT Arctic sea ice has been shrinking at unprecedented rates over the past three decades. These cryospheric changes have coincided with greater incidence of global extreme weather conditions, including increased severity and frequency of summer heatwaves and extreme rainfall events. Recent studies identify potential physical mechanisms related to Rossby wave and resonance theories that may attribute the observed changes in extreme summer weather patterns to Arctic sea ice decline. This study explores the linkages between summer Arctic sea ice variability and hydroclimate of the north‐central United States (US) during the 1979 to 2013 period. Since 1979, summers with low sea ice conditions have coincided with significant increases in mean, minimum, maximum, and dew point air temperatures. Also apparent are increases in seasonal precipitation, the number of wet days, heavy (>95th percentile) precipitation days, and accumulated precipitation over the region. These moisture changes coincide with atmospheric patterns typically observed during anomalously wet summers, known to prompt flooding across the Upper Mississippi River Valley ( UMRV ) region. Low sea ice summers have coincided with (1) enhanced southerly air flow and increased activity of the Great Plains Low Level Jet ( GPLLJ ) over the study area, (2) increased occurrence of moist tropical air masses over the UMRV region, and (3) amplified 500 hPa flow over the Pacific‐North American region with a ridge situated over the central‐eastern portions of the North American continent emanating from Greenland and the central Arctic basin. The results suggest summer Arctic sea ice variability has been associated with recent hydroclimate anomalies of the north‐central United States and the UMRV region and add to our growing knowledge of the connections between a changing Arctic environment and concurrent mid‐latitude climate variability. Article in Journal/Newspaper Arctic Basin Arctic Greenland Sea ice Wiley Online Library Arctic Greenland Pacific International Journal of Climatology 37 12 4434 4450 |
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Open Polar |
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Wiley Online Library |
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crwiley |
language |
English |
description |
ABSTRACT Arctic sea ice has been shrinking at unprecedented rates over the past three decades. These cryospheric changes have coincided with greater incidence of global extreme weather conditions, including increased severity and frequency of summer heatwaves and extreme rainfall events. Recent studies identify potential physical mechanisms related to Rossby wave and resonance theories that may attribute the observed changes in extreme summer weather patterns to Arctic sea ice decline. This study explores the linkages between summer Arctic sea ice variability and hydroclimate of the north‐central United States (US) during the 1979 to 2013 period. Since 1979, summers with low sea ice conditions have coincided with significant increases in mean, minimum, maximum, and dew point air temperatures. Also apparent are increases in seasonal precipitation, the number of wet days, heavy (>95th percentile) precipitation days, and accumulated precipitation over the region. These moisture changes coincide with atmospheric patterns typically observed during anomalously wet summers, known to prompt flooding across the Upper Mississippi River Valley ( UMRV ) region. Low sea ice summers have coincided with (1) enhanced southerly air flow and increased activity of the Great Plains Low Level Jet ( GPLLJ ) over the study area, (2) increased occurrence of moist tropical air masses over the UMRV region, and (3) amplified 500 hPa flow over the Pacific‐North American region with a ridge situated over the central‐eastern portions of the North American continent emanating from Greenland and the central Arctic basin. The results suggest summer Arctic sea ice variability has been associated with recent hydroclimate anomalies of the north‐central United States and the UMRV region and add to our growing knowledge of the connections between a changing Arctic environment and concurrent mid‐latitude climate variability. |
format |
Article in Journal/Newspaper |
author |
Budikova, Dagmar Ford, Trent W. Ballinger, Thomas J. |
spellingShingle |
Budikova, Dagmar Ford, Trent W. Ballinger, Thomas J. Connections between north‐central United States summer hydroclimatology and Arctic sea ice variability |
author_facet |
Budikova, Dagmar Ford, Trent W. Ballinger, Thomas J. |
author_sort |
Budikova, Dagmar |
title |
Connections between north‐central United States summer hydroclimatology and Arctic sea ice variability |
title_short |
Connections between north‐central United States summer hydroclimatology and Arctic sea ice variability |
title_full |
Connections between north‐central United States summer hydroclimatology and Arctic sea ice variability |
title_fullStr |
Connections between north‐central United States summer hydroclimatology and Arctic sea ice variability |
title_full_unstemmed |
Connections between north‐central United States summer hydroclimatology and Arctic sea ice variability |
title_sort |
connections between north‐central united states summer hydroclimatology and arctic sea ice variability |
publisher |
Wiley |
publishDate |
2017 |
url |
http://dx.doi.org/10.1002/joc.5097 https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fjoc.5097 https://onlinelibrary.wiley.com/doi/pdf/10.1002/joc.5097 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/joc.5097 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/joc.5097 |
geographic |
Arctic Greenland Pacific |
geographic_facet |
Arctic Greenland Pacific |
genre |
Arctic Basin Arctic Greenland Sea ice |
genre_facet |
Arctic Basin Arctic Greenland Sea ice |
op_source |
International Journal of Climatology volume 37, issue 12, page 4434-4450 ISSN 0899-8418 1097-0088 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1002/joc.5097 |
container_title |
International Journal of Climatology |
container_volume |
37 |
container_issue |
12 |
container_start_page |
4434 |
op_container_end_page |
4450 |
_version_ |
1802639195075772416 |