Atomic nitrogen in the upper atmosphere of Venus

Details Atomic nitrogen in the upper atmosphere of Venus Atomic nitrogen in the upper atmosphere of Venus

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980georl...7..106k&link_type=abstract

Geophysical Research Letters, vol. 7, Jan. 1980, p. 106-108.

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Mass Spectrometers, Nitrogen Atoms, Upper Atmosphere, Venus Atmosphere, Chemical Reactions, Diurnal Variations, Ion Sources, Nitric Oxide, Pioneer Venus 1 Spacecraft, Scale Height, Surface Reactions, Venus, Atmosphere, Nitrogen, Pioneer Venus Orbiter, Oxygen, Neutral Mass Spectrometer, Nitric Oxide, Diurnal Variations, Ouvs, Spectrum, Ultraviolet, Ionosphere, Composition, Elements, Onms, Abundance, Density, Chemistry, Models, Concentrations, Analysis

Scientific paper

Atomic nitrogen has been detected in the upper atmosphere of Venus by the Pioneer-Venus Orbiter Neutral Mass Spectrometer (ONMS). Surface recombination of atomic nitrogen with atomic oxygen to form nitric oxide in the ion source allows it to be detected at mass 30. The scale height temperature of the mass 30 peak agrees with the scale height temperatures of the other species if it is assumed to be derived from atomic nitrogen. The diurnal variation of atomic nitrogen is approximately proportional to that of atomic oxygen with an estimated N/O ratio of 1.5% at 150 km.

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