論文

査読有り
2017年1月

Poleward eddy heat flux anomalies associated with recent Arctic sea ice loss

GEOPHYSICAL RESEARCH LETTERS
  • Kazuhira Hoshi
  • ,
  • Jinro Ukita
  • ,
  • Meiji Honda
  • ,
  • Katsushi Iwamoto
  • ,
  • Tetsu Nakamura
  • ,
  • Koji Yamazaki
  • ,
  • Klaus Dethloff
  • ,
  • Ralf Jaiser
  • ,
  • Doerthe Handorf

44
1
開始ページ
446
終了ページ
454
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1002/2016GL071893
出版者・発行元
AMER GEOPHYSICAL UNION

Details of the characteristics of upward planetary wave propagation associated with Arctic sea ice loss under present climate conditions are examined using reanalysis data and simulation results. Recent Arctic sea ice loss results in increased stratospheric poleward eddy heat fluxes in the eastern and central Eurasia regions and enhanced upward propagation of planetary-scale waves in the stratosphere. A linear decomposition scheme reveals that this modulation of the planetary waves arises from coupling of the climatological planetary wavefield with temperature anomalies for the eastern Eurasia region and with meridional wind anomalies for the central Eurasia region. Propagation of stationary Rossby wave packets results in a dynamic link between these temperature and meridional wind anomalies with sea ice loss over the Barents-Kara Sea. The results provide strong evidence that recent Arctic sea ice loss significantly modulates atmospheric circulation in winter to modify poleward eddy heat fluxes so as to drive stratosphere-troposphere coupling processes.

Web of Science ® 被引用回数 : 13

リンク情報
DOI
https://doi.org/10.1002/2016GL071893
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000393954900052&DestApp=WOS_CPL
URL
http://www.scopus.com/inward/record.url?eid=2-s2.0-85010550798&partnerID=MN8TOARS
URL
http://orcid.org/0000-0002-8402-694X

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