Forbidden Regions for the Formation of Clouds in a Planetary Atmosphere.

by G. F. Schilling

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From basic thermodynamic laws, an exclusion principle has been formulated to determine those regions in a planetary atmosphere where specific minor constituents cannot condense or sublimate. As an example, this principle is applied to the formation of H2O clouds in the earth's atmosphere for atmospheric conditions between latitudes 15 deg to 75 deg. The specific results presented permit inferences with regard to the expected seasonal distribution of noctilucent clouds in the upper atmosphere and serve generally to illustrate potential future applications of this principle to the study of planetary atmospheres. From basic thermodynamic laws, an exclusion principle has been formulated to determine those regions in a planetary atmosphere where specific minor constituents cannot condense or sublimate. As an example, this principle is applied to the formation of H20 clouds in the earth's atmosphere for atmospheric conditions between latitudes 15 deg to 75 deg. The specific results presented permit inferences with regard to the expected seasonal distribution of noctilucent clouds in the upper atmosphere and serve generally to illustrate potential future applications of this principle to the study of planetary atmospheres. 22 pp

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