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Short and long periodic atmospheric variations between 25 and 200 kmPreviously collected data on atmospheric pressure, density, temperature and winds between 25 and 200 km from sources including Meteorological Rocket Network data, ROBIN falling sphere data, grenade release and pitot tube data, meteor winds, chemical release winds, satellite data, and others were analyzed by a daily difference method and results on the distribution statistics, magnitude, and spatial structure of gravity wave and planetary wave atmospheric variations are presented. Time structure of the gravity wave variations were determined by the analysis of residuals from harmonic analysis of time series data. Planetary wave contributions in the 25-85 km range were discovered and found to have significant height and latitudinal variation. Long period planetary waves, and seasonal variations were also computed by harmonic analysis. Revised height variations of the gravity wave contributions in the 25 to 85 km height range were computed. An engineering method and design values for gravity wave magnitudes and wave lengths are given to be used for such tasks as evaluating the effects on the dynamical heating, stability and control of spacecraft such as the space shuttle vehicle in launch or reentry trajectories.
Document ID
19730008777
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Justus, C. G. (Georgia Inst. of Tech. Atlanta, GA, United States)
Woodrum, A. (Georgia Inst. of Tech. Atlanta, GA, United States)
Date Acquired
September 2, 2013
Publication Date
February 1, 1973
Publication Information
Publisher: NASA
Subject Category
Geophysics
Report/Patent Number
E-16-612
NASA-CR-2203
Accession Number
73N17504
Funding Number(s)
CONTRACT_GRANT: NAS8-26658
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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