Lower thermospheric infra-red emissins from minor species during high-latitude twilight- A: Experimental results

Details Lower thermospheric infra-red emissins from minor species during high-latitude twilight- A: Experimental results Lower thermospheric infra-red emissins from minor species during high-latitude twilight- A: Experimental results

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994jatp...56.1885g&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 56, no. 13-14, p. 1,885-1,897

Physics

6

Atmospheric Composition, Atmospheric Radiation, Carbon Dioxide, Emission Spectra, Infrared Spectra, Nitric Oxide, Ozone, Thermosphere, Night, Polar Regions, Spectrum Analysis, Sweden, Thermodynamic Equilibrium

Scientific paper

During the DYnamics Adapted Network for the Atmosphere (DYANA) campaign, thermospheric infrared emissions of CO2(upsilon(sub 2), CO2(upsilon (sub 3)), O3(upsilon (sub 3)) and NO (Delta V = 1) were measured by a rocket-borne liquid helium-cooled spectrometer on 6 March 1990 above Kiruna, Sweden. The measured radiances are compared with the results obtained during other flights of the same instrument. According to the measured data the 15 micrometer band of CO2 is in local thermodynamic equilibrium up to about (100 +/- 5) km. Recently proposed high rate constants for the excitation of CO2 (upsilon (sub 2)) thermosphere is found to be remarkably constant during different rocket soundings.

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