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Decadal-scale changes in the effect of the QBO on the northern stratospheric polar vortex

Abstract:

This study documents decadal-scale changes in the Holton and Tan (HT) relationship, i.e., the influence of the lower stratospheric equatorial quasi-biennial oscillation (QBO) on the northern hemisphere (NH) extratropical. circulation. Using a combination of ECMWF ERA-40 Reanalysis and Operational data from 1958-2006, we find that the Arctic stratosphere is indeed warmer under easterly QBO and colder under westerly QBO. During November to January, composite easterly minus westerly QBO signals ...

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Publication status:
Published

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Publisher copy:
10.1029/2007JD009647

Authors


Baldwin, MP More by this author
Jarvis, MJ More by this author
Journal:
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
Volume:
113
Issue:
D10
Publication date:
2008-05-30
DOI:
ISSN:
2169-897X
URN:
uuid:3ec65a2d-b32d-49b5-83fb-bfc40523fa97
Source identifiers:
324927
Local pid:
pubs:324927
Language:
English

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