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Arctic-midlatitude weather linkages in North America
https://nipr.repo.nii.ac.jp/records/15050
https://nipr.repo.nii.ac.jp/records/15050a4349682-4b0a-4eee-ab73-2c1ddcf4fd5a
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2018-06-08 | |||||
タイトル | ||||||
タイトル | Arctic-midlatitude weather linkages in North America | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Arctic-midlatitude weather linkages in North America | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Arctic | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Jet stream | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Sea ice | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Weather linkages | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | North America | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Overland, James E.
× Overland, James E.× Wang, Muyin |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | There is intense public interest in whether major Arctic changes can and will impact midlatitude weather such as cold air outbreaks on the central and east side of continents. Although there is progress in linkage research for eastern Asia, a clear gap is conformation for North America. We show two stationary temperature/geopotential height patterns where warmer Arctic temperatures have reinforced existing tropospheric jet stream wave amplitudes over North America: a Greenland/Baffin Block pattern during December 2010 and an Alaska Ridge pattern during December 2017. Even with continuing Arctic warming over the past decade, other recent eastern US winter months were less susceptible for an Arctic linkage: the jet stream was represented by either zonal flow, progressive weather systems, or unfavorable phasing of the long wave pattern. The present analysis lays the scientific controversy over the validity of linkages to the inherent intermittency of jet stream dynamics, which provides only an occasional bridge between Arctic thermodynamic forcing and extended midlatitude weather events. | |||||
書誌情報 |
en : Polar Science 巻 16, p. 1-9, 発行日 2018-06 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18739652 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.polar.2018.02.001 | |||||
関連名称 | 10.1016/j.polar.2018.02.001 |