Oscillatory Rossby Solitary Waves in the Atmosphere

Chen Zhongming; Liu Fuming; Li Xiaoping; Tao Jie

doi:10.1007/BF02656995

Impact Factor: 5.8

Volume 11 Issue 1

Jan. 1994

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 1994 > 11(1): 65-73

Oscillatory Rossby Solitary Waves in the Atmosphere

1.
Chengdu Institute of Plateau Meteorology, Chengdu 610072,Chengdu Institute of Plateau Meteorology, Chengdu 610072,Nanjing Institute of Meteorology, Nanjing 210044,Nanjing Institute of Meteorology, Nanjing 210044

doi: 10.1007/BF02656995

Abstract
References
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Abstract:
The linear Rossby wave frequency expression is expanded at higher accuracy based on the scale difference char?acteristics of atmospheric long waves in the and directions. That the nature of the waves represented by the expan?sion is identical to that of the original ones is demonstrated both in phase velocity and wave energy dispersion speed , followed by the derivation of the nonlinear expression describing atmospheric long wave behaviors with the associated approximate analytic solution obtained. Then, for the first time atmospheric’ oscillatory Rossby solitary wave’ with its dispersion relation is obtained by numerical calculation with the aid of physical parameters of the real atmosphere. The solitary wave is found to be very close to such longwave systems as blocking highs and cut-off de?pressions in the actual atmosphere.
- Longwave approximation,
- Oscillatory Rossby solitary wave
References

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Manuscript History

Manuscript received: 10 January 1994

Manuscript revised: 10 January 1994

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

Oscillatory Rossby Solitary Waves in the Atmosphere

1. Chengdu Institute of Plateau Meteorology, Chengdu 610072,Chengdu Institute of Plateau Meteorology, Chengdu 610072,Nanjing Institute of Meteorology, Nanjing 210044,Nanjing Institute of Meteorology, Nanjing 210044

Manuscript received: 1994-01-10
Manuscript revised: 1994-01-10

Abstract: The linear Rossby wave frequency expression is expanded at higher accuracy based on the scale difference char?acteristics of atmospheric long waves in the and directions. That the nature of the waves represented by the expan?sion is identical to that of the original ones is demonstrated both in phase velocity and wave energy dispersion speed , followed by the derivation of the nonlinear expression describing atmospheric long wave behaviors with the associated approximate analytic solution obtained. Then, for the first time atmospheric’ oscillatory Rossby solitary wave’ with its dispersion relation is obtained by numerical calculation with the aid of physical parameters of the real atmosphere. The solitary wave is found to be very close to such longwave systems as blocking highs and cut-off de?pressions in the actual atmosphere.

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