A comparison of ozone trends from SME and SBUV satellite observations and model calculations

Details A comparison of ozone trends from SME and SBUV satellite observations and model calculations A comparison of ozone trends from SME and SBUV satellite observations and model calculations

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988georl..15..776r&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 15, Aug. 1988, p. 776-779. NASA-supported research.

Computer Science

Sound

6

Atmospheric Composition, Long Term Effects, Ozonometry, Satellite Sounding, Atmospheric Models, Nimbus 7 Satellite, Solar Backscatter Uv Spectrometer, Solar Mesosphere Explorer

Scientific paper

Data on monthly ozone abundance trends near the stratopause, observed by the Ultraviolet Spectrometer (UVS) on the SME and by the Solar Backscatter Ultraviolet Instrument (SBUV) on NIMBUS-7 are presented for June, September, and January of the years 1982-1986. Globally averaged trends determined from the SME data (-0.5 + or - 1.3 percent/yr) were found to fall within model calculations by Rusch and Clancy (1988); the SBUV trends, on the other hand, were found to exceed maximum predicted ozone decreases by a factor of 3 or more. Detailed comparison of the two data sets indicated that an absolute offset of 3 percent/yr accounts for much of the difference between the two trends; the offset is considered to be due to incomplete characterization of the SBUV calibration drift. Both the UVS and SBUV data exhibited similar seasonal and latitudinal variations in ozone trends, which were reproduced by photochemical model calculations that included latitude-dependent NMC temperature trends over the 1982-1986 period.

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