Topographically Forced Rossby Wave Instability and the Development of Blocking in the Atmosphere

Luo Dehai

doi:10.1007/BF03008873

Impact Factor: 5.8

Volume 7 Issue 4

Oct. 1990

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 1990 > 7(4): 433-440

Topographically Forced Rossby Wave Instability and the Development of Blocking in the Atmosphere

Luo Dehai

1.
Chengdu Institute of Meteorology, 610041, Sichuan Province

Luo Dehai

doi: 10.1007/BF03008873

Abstract
References
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Abstract:
In this paper, the linear stability of disturbance superimposed on basic state Rossby wave forced by topography is investigated, and pointed out that when a certain criterion is satisfied by the basic flow and the height of topogra-phy for the subresonance, the small disturbance may be unstable. Furthermore, we also compare the evolution of the instability disturbance with the development of blocking in the Pacific, and we suggested that the topographically forced Rossby wave instability may provide a possible mechanism for the development of blocking in the Pacific.
References

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[2]	Luo Dehai, 1998: Topographically Forced Three-Wave Quasi-Resonant and Non-Resonant Interactions among Barotropic Rossby Waves on an Infinite Beta-Plane, ADVANCES IN ATMOSPHERIC SCIENCES, 15, 83-98. doi: 10.1007/s00376-998-0020-x
[3]	Yong. L. McHall, 1992: Nonlinear Planetary Wave Instability and Blocking, ADVANCES IN ATMOSPHERIC SCIENCES, 9, 173-190. doi: 10.1007/BF02657508
[4]	Luo Dehai, 1999: Nonlinear Three-Wave Interaction among Barotropic Rossby Waves in a Large-scale Forced Barotropic Flow, ADVANCES IN ATMOSPHERIC SCIENCES, 16, 451-466. doi: 10.1007/s00376-999-0023-2
[5]	Li Xianlang, 1987: ATTRACTOR SETS AND MULTIPLE EQUILIBRIA IN THE RESONANCE OF TOPOGRAPHICALLY FORCED WAVES, ADVANCES IN ATMOSPHERIC SCIENCES, 4, 471-484. doi: 10.1007/BF02656746
[6]	Zhang Ren, Yu Zhihao, 2000: Low-Frequency CISK-Rossby Wave and Stratospheric QBO in the Tropical Atmosphere, ADVANCES IN ATMOSPHERIC SCIENCES, 17, 311-321. doi: 10.1007/s00376-000-0012-y
[7]	Yong. L. McHall, 1991: Blocking Distributions in the Atmosphere, ADVANCES IN ATMOSPHERIC SCIENCES, 8, 327-338. doi: 10.1007/BF02919615
[8]	Chen Zhongming, Liu Fuming, Li Xiaoping, Tao Jie, 1994: Oscillatory Rossby Solitary Waves in the Atmosphere, ADVANCES IN ATMOSPHERIC SCIENCES, 11, 65-73. doi: 10.1007/BF02656995
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Manuscript History

Manuscript received: 10 October 1990

Manuscript revised: 10 October 1990

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

Topographically Forced Rossby Wave Instability and the Development of Blocking in the Atmosphere

Luo Dehai

1. Chengdu Institute of Meteorology, 610041, Sichuan Province

Manuscript received: 1990-10-10
Manuscript revised: 1990-10-10

Abstract: In this paper, the linear stability of disturbance superimposed on basic state Rossby wave forced by topography is investigated, and pointed out that when a certain criterion is satisfied by the basic flow and the height of topogra-phy for the subresonance, the small disturbance may be unstable. Furthermore, we also compare the evolution of the instability disturbance with the development of blocking in the Pacific, and we suggested that the topographically forced Rossby wave instability may provide a possible mechanism for the development of blocking in the Pacific.