AN INSTABILITY THEORY OF AIR-SEA INTERACTION FOR COASTAL UPWELLING

P.C. Chu

doi:10.1007/BF02656752

Impact Factor: 5.8

Volume 5 Issue 3

Jul. 1988

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 1988 > 5(3): 277-286

AN INSTABILITY THEORY OF AIR-SEA INTERACTION FOR COASTAL UPWELLING

P.C. Chu

1.
Department of Oceanography Naval Postgraduate School, Monterey, CA 93943, U.S.A.

P.C. Chu

doi: 10.1007/BF02656752

Abstract
References
Related papers
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Abstract:
A surface wind (seabreeze), thermally generated by differential sea surface temperature, is introduced to Gill-Clarke’s model (1974) through wind stress for investigating the effects of Seabreeze on coastal upwelling. A coupled air-sea system is treated as an eigenvalue problem. The solutions show that the thermally forced local winds break down the coastal Kelvin wave into three parts: small-scale (L200 km) coastal Kelvin modes. The consistency of the length scale between the most growing mode predicted by this model and the observed cold/warm alternation pattern of surface water near the Peruvian Coast (around 15oS) implies that Seabreeze may play some role in coastal upwelling.
References

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Manuscript History

Manuscript received: 10 July 1988

Manuscript revised: 10 July 1988

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

AN INSTABILITY THEORY OF AIR-SEA INTERACTION FOR COASTAL UPWELLING

P.C. Chu

1. Department of Oceanography Naval Postgraduate School, Monterey, CA 93943, U.S.A.

Manuscript received: 1988-07-10
Manuscript revised: 1988-07-10

Abstract: A surface wind (seabreeze), thermally generated by differential sea surface temperature, is introduced to Gill-Clarke’s model (1974) through wind stress for investigating the effects of Seabreeze on coastal upwelling. A coupled air-sea system is treated as an eigenvalue problem. The solutions show that the thermally forced local winds break down the coastal Kelvin wave into three parts: small-scale (L200 km) coastal Kelvin modes. The consistency of the length scale between the most growing mode predicted by this model and the observed cold/warm alternation pattern of surface water near the Peruvian Coast (around 15oS) implies that Seabreeze may play some role in coastal upwelling.