Physics
Scientific paper
Feb 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975jgr....80..626t&link_type=abstract
Journal of Geophysical Research, vol. 80, Feb. 1, 1975, p. 626-634. Navy-supported research
Physics
2
Atmospheric Composition, Charge Exchange, Diurnal Variations, Hydrogen Atoms, Thermosphere, Wind Effects, Cations, Hydrogen Ions, Ionospheric Composition, Oxygen Ions, Particle Flux Density, Wind Velocity
Scientific paper
Theoretical calculations of the diurnal variation of atomic hydrogen in the thermosphere are presented that simultaneously evaluate the effects of thermosphere rotation, thermal escape, charge exchange with O(+) ions, charge exchange with hot H(+) ions, transport due to winds, and ballistic fluxes in a consistent manner. The first five effects cause a significant departure from the zero net ballistic flux condition. A thermospheric wind with a peak velocity of 50 m per sec at exobase altitude and a total charge exchange flux varying from 0 to 0.2 billion per sq cm per sec are found to be consistent with the observations.
Hodges Richard Jr. R.
Strobel Darrell F.
Tinsley Brian A.
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