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Theoretical study of cross-valley wind circulation

Theoretische Untersuchung der ein Tal überquerenden Windzirkulation

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Summary

An analytical model is developed to investigate the interaction between the large scale prevailing air flow and the thermally induced slope wind circulation. The Boussinesq approximation is assumed. The lower order successive approximation solutions are obtained in spectral representation for both typical daytime and night time cases. The results have produced interesting circulation features often observed in mountainous terrain.

Zusammenfassung

Es wird ein analytisches Modell zur Untersuchung der Wechselwirkung zwischen einer großräu mig vorherrschenden ein Tal überführenden Luftströmung und der thermisch ausgelösten Hangwindzirkulation entwickelt. Dabei wird die Approximation nach Boussinesq angewendet. Für typische Verhältnisse bei Tag und bei Nacht werden Näherungslösungen niedrigerer Ordnung in spektraler Darstellung erhalten. Die Ergebnisse haben interessante Zirkulationsformen aufgezeigt, die oft im gebirgigen Gelände beobachtet werden.

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References

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  4. Tang, W.: The Diurnal Variation of Temperature and Wind over Sloping Terrain, Ph. D. Thesis, Dept. of Meteorology and Oceanography, New York University, New York (1960).

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Author notes

  1. Wen Tang

    Present address: Department of Meteorology, University of Lowell, 01854, Lowell, Massachusetts, U.S.A.

Authors and Affiliations

  1. Institute for Storm Research, University of St. Thomas, Houston, Texas, USA

    Wen Tang

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  1. Wen Tang
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Tang, W. Theoretical study of cross-valley wind circulation. Arch. Met. Geoph. Biokl. A. 25, 1–18 (1976). https://doi.org/10.1007/BF02245465

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  • DOI: https://doi.org/10.1007/BF02245465

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