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Synchronisation of the equatorial QBO by the annual cycle in tropical upwelling in a warming climate

Abstract:

The response of the period of the quasi-biennial oscillation (QBO) to increases in tropical upwelling are considered using a one-dimensional model. We find that the imposition of the annual cycle in tropical upwelling creates substantial variability in the period of the QBO. The annual cycle creates synchronisation regions in the wave forcing space, within which the QBO period locks onto an integer multiple of the annual forcing period. Outside of these regions, the QBO period undergoes di...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1002/qj.2714

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Institution:
University of Oxford
Department:
Oxford, MPLS, Mathematical Institute
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Mathematical Institute
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atmos Ocean and Planet Physics
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atmos Ocean and Planet Physics
Publisher:
John Wiley and Sons Ltd Publisher's website
Journal:
Quarterly Journal of the Royal Meteorological Society Journal website
Volume:
142
Issue:
695
Pages:
1111–1120
Publication date:
2016
DOI:
EISSN:
1477-870X
ISSN:
0035-9009
URN:
uuid:ac6f94da-c9dd-4c28-9247-0c4009fbd387
Source identifiers:
574465
Local pid:
pubs:574465
Paper number:
695

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