Atmospheric ozone determination by solar occultation using the UV spectrometer on the Solar Maximum Mission

Details Atmospheric ozone determination by solar occultation using the UV spectrometer on the Solar Maximum Mission Atmospheric ozone determination by solar occultation using the UV spectrometer on the Solar Maximum Mission

Jul 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apopt..21.2421a&link_type=abstract

Applied Optics, vol. 21, July 1, 1982, p. 2421-2424.

Physics

Optics

17

Atmospheric Composition, Ozone, Solar Maximum Mission, Stellar Occultation, Ultraviolet Spectrometers, Density Measurement, Error Analysis, Ozonometry, Spectral Resolution, Volterra Equations

Scientific paper

The UV spectrometer polarimeter instrument on the Solar Maximum Mission spacecraft has been used to measure ozone in the 53-75 km altitude interval by the technique of solar occultation. A 1 x 180 arcsec entrance aperture spectrometer with 0.04-A spectral resolution was employed. Resulting high-quality data are reduced by expressing measured UV attenuation as a Volterra integral equation. Solution of the equation is accomplished by expressing the integral in terms of a series representing the sum of ozone densities contained in concentric shells through tangent points separated by specified altitude increments. Sample ozone vs altitude profiles are presented for the equatorial region. These data show reproducibility to better than 10%. The density at 60 km is 7.3 + or - 0.15 x 10 to the 9th/cu cm for 2.5 deg latitude and longitudes between 81 and 105 deg west in September 1980. Density vs altitude profile exhibits changes in slope between 50 and 75 km.

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