Computer Science – Sound
Scientific paper
Sep 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975jgr....80.3655w&link_type=abstract
Journal of Geophysical Research, vol. 80, Sept. 1, 1975, p. 3655-3660.
Computer Science
Sound
1
Annual Variations, Atmospheric Composition, Ionization Chambers, Lyman Alpha Radiation, Oxygen, Absorption Cross Sections, Atmospheric Density, Nitric Oxide, Optical Thickness, Random Errors, Rocket Sounding, Vertical Distribution
Scientific paper
Molecular oxygen data during spring and fall are deduced from Lyman alpha ion chamber measurements. The data show the existence of wave type structure. Random errors in the technique are estimated from simultaneous independent measurements and are found to be low. A major uncertainty in the densities results from lack of information on the appropriate absorption cross sections of molecular oxygen for the temperatures encountered in the atmosphere. Potentially large overestimates in the densities could result from absorption by nitric oxide above 105 km and to a lesser extent by nitric oxide at lower altitudes and water vapor.
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