The Mechanism of Meteorological Noise

Using a simple atmospheric model, the difference between the solutions of the primitive and the quasi-hydrostatic equations is demonstrated. The that the quasi-hydrostatic processes are largely determined by the initial field of pressure wherever the meteorological "noise"-phenomena (in the form of short-period oscillations about a trend of the meteorological elements) depend on the initial field of the non-geostrophic wind components. This trend can be computed with sufficient accuracy also by a numerical integration of the primitive equations, which are mathematically simpler to handle than the quasi-hydrostatic equations. In this case the initial wind fields can be computed from the observed pressure field by using the geostrophic approximation. To find the trend the results have to be smoothed.

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Author Hinkelmann, K.
Rasch, Philip
Kiehl, Jeffrey
Wyman, James
Publisher UCAR/NCAR - Library
Publication Date 1983-01-01T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2023-08-18T18:03:52.797091
Metadata Record Identifier edu.ucar.opensky::technotes:289
Metadata Language eng; USA
Suggested Citation Hinkelmann, K., Rasch, Philip, Kiehl, Jeffrey, Wyman, James. (1983). The Mechanism of Meteorological Noise. UCAR/NCAR - Library. Accessed 13 April 2024.

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