Dynamics of Absolute Vorticity in the Boussinesq Fluid

Zuohao Cao

doi:10.1007/s00376-999-0025-0

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Volume 16 Issue 3

Jul. 1999

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Article > ADVANCES IN ATMOSPHERIC SCIENCES > 1999 > 16(3): 482-486

Dynamics of Absolute Vorticity in the Boussinesq Fluid

Zuohao Cao

1.
Climate Research Branch, Atmospheric Environment Service, Downsview, Ontario, Canada

Zuohao Cao

doi: 10.1007/s00376-999-0025-0

Abstract
References
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Abstract:
The dynamics of absolute vorticity in the Boussinesq fluid is examined. It is shown that the Boussinesq approximation only captures one of the horizontal components of the solenoidal term. Based on scaling ana-lysis of typical midlatitude synoptic systems, the horizontal component of the solenoidal term neglected by the Boussinesq approximation is at least of the same order of magnitude as the one captured by the Boussinesq approximation. This leads to severe underestimation of absolute vorticity and circulation.
- Absolute vorticity,
- Boussinesq approximation
References

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Manuscript History

Manuscript received: 10 July 1999

Manuscript revised: 10 July 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

Dynamics of Absolute Vorticity in the Boussinesq Fluid

Zuohao Cao

1. Climate Research Branch, Atmospheric Environment Service, Downsview, Ontario, Canada

Manuscript received: 1999-07-10
Manuscript revised: 1999-07-10

Abstract: The dynamics of absolute vorticity in the Boussinesq fluid is examined. It is shown that the Boussinesq approximation only captures one of the horizontal components of the solenoidal term. Based on scaling ana-lysis of typical midlatitude synoptic systems, the horizontal component of the solenoidal term neglected by the Boussinesq approximation is at least of the same order of magnitude as the one captured by the Boussinesq approximation. This leads to severe underestimation of absolute vorticity and circulation.

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