Influence of ENSO Event on the Maintenance of Pacific Storm Track in the Northern Winter

Zhu Weijun; Sun Zhaobo

doi:10.1007/s00376-999-0037-9

Impact Factor: 5.8

Volume 16 Issue 4

Oct. 1999

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 1999 > 16(4): 630-640

Influence of ENSO Event on the Maintenance of Pacific Storm Track in the Northern Winter

1.
Nanjing Institute cf Meteorology, Nanjing 210044,Nanjing Institute cf Meteorology, Nanjing 210044

doi: 10.1007/s00376-999-0037-9

Abstract
References
Related papers
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Abstract:
An influence of ENSO event on the maintenance of Pacific storm track in the Northern winter is stu-died based on the NCEP/ NCAR daily re-analysis data. The result shows that in El Ni?o (La Ni?a) year an increase (decrease) of baroclinicity over the storm track, extension (withdrawal) eastward and southward (westward but northward for its east end) of its position and augmentation (debilitation) of its strength are closely in response to the enhancement (abatement) of eddy heat flux and momentum flux that are associ-ated with the development of the storm track. It thus indicates that ENSO event exerts an important impact on its maintenance and development in the Pacific Ocean.
- ENSO,
- Storm track,
- Baroclinicity
References

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Manuscript History

Manuscript received: 10 October 1999

Manuscript revised: 10 October 1999

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Influence of ENSO Event on the Maintenance of Pacific Storm Track in the Northern Winter

1. Nanjing Institute cf Meteorology, Nanjing 210044,Nanjing Institute cf Meteorology, Nanjing 210044

Manuscript received: 1999-10-10
Manuscript revised: 1999-10-10

Abstract: An influence of ENSO event on the maintenance of Pacific storm track in the Northern winter is stu-died based on the NCEP/ NCAR daily re-analysis data. The result shows that in El Ni?o (La Ni?a) year an increase (decrease) of baroclinicity over the storm track, extension (withdrawal) eastward and southward (westward but northward for its east end) of its position and augmentation (debilitation) of its strength are closely in response to the enhancement (abatement) of eddy heat flux and momentum flux that are associ-ated with the development of the storm track. It thus indicates that ENSO event exerts an important impact on its maintenance and development in the Pacific Ocean.

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