Measurement of the nitric oxide altitude distribution in the mid-latitude mesosphere

Details Measurement of the nitric oxide altitude distribution in the mid-latitude mesosphere Measurement of the nitric oxide altitude distribution in the mid-latitude mesosphere

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jgr....82.3281b&link_type=abstract

Journal of Geophysical Research, vol. 82, Aug. 1, 1977, p. 3281-3286. Army-Navy-sponsored research;

Computer Science

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Atmospheric Composition, Mesosphere, Midlatitude Atmosphere, Nitric Oxide, Density Distribution, Molecular Spectra, Rocket Sounding, Ultraviolet Spectra, Vertical Distribution

Scientific paper

A simple rocket-borne system has been developed for deriving nitric oxide concentration in the mesosphere from measurements of resonantly scattered solar ultraviolet radiation in the NO gamma band near 2150 A. The NO signal is extracted from a background of Rayleigh-scattered light by a direct measurement of this scattered light by use of an NO absorption cell. This system was utilized to measure the NO concentration above White Sands, New Mexico, in the altitude range from 69 to 101 km. The derived NO profile shows a concentration of about 30 million per cu cm at 67 and 100 km with a deep valley (more than an order of magnitude less) at about 84 km. Comparison with model calculations indicates that the time constant for NO chemistry is smaller than or comparable with that for transport.

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