Atmospheric Structure and Circulation to 200 Km in Terms of Density

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  • Atmospheric Structure and Circulation to 200 Km in Terms of Density Book Detail

  • Author : V. S. Whitehead
  • Release Date : 1965
  • Publisher :
  • Genre :
  • Pages : 86
  • ISBN 13 :
  • File Size : 28,28 MB

Atmospheric Structure and Circulation to 200 Km in Terms of Density by V. S. Whitehead PDF Summary

Book Description: Synoptic charts of pressure, temperature, and density as determined by the wind field were prepared to 56 km altitude. These charts indicate that synoptic scale perturbations similar in extent to those found in the troposphere and lower stratosphere exist to at least up to that height. Mean monthly meridional cross-sections of density distribution as determined by the wind field are given to 80 km altitude. These cross sections depict well the known lower level features of the density distribution and suggest an orderly change in the mesospheric density pattern as the seasons progress. Diurnal and semidiurnal oscillations of isopycnic surfaces at 20N, 30N, and 40N for summer and for winter are given to 80 km. The amplitude of the diurnal wave appears to increase rapidly above 50 km with the phase shifting eastward with height to 80 km. Three atmospheric models are presented in which absorption of solar radiant energy and the downward conduction of heat are the only heat transfer processes. These models were intended to simulate, to some extent, the atmosphere between 90 and 200 km. Discrepancies between the three models, however, discourage their use for their intended purpose, but do suggest methods for developing improved models. (Author).

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