Physics
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983georl..10...24l&link_type=abstract
Geophysical Research Letters, vol. 10, Jan. 1983, p. 24-26. Research supported by the Commission of the European Communities.
Physics
67
Atmospheric Temperature, Stratosphere, Stratospheric Warming, Volcanology, Aerosols, Mexico, Radar Measurement, Solar Mesosphere Explorer, Temperature Effects
Scientific paper
Aerosol evaluation was found to be necessary to explain the 30 mb temperature increases observed in July-Oct. 1982 in comparison with averages for the period 1964-1981. An average difference of 1-1.5 C was determined at 30 mb, coinciding with 1 C deviations at the 50 mb level, for the first half of 1982. The 30 mb differences increased to 4.5-5 C, compared to the 18 yr average, during the July-Oct. period. GOES satellite imagery indicated that material from the El Chichon volcano eruptions had entered the stratosphere. Lidar backscattering ratios indicated the preponderance of the material resided in the 22-28 km interval. Airborne lidar measurements on two occasions confirmed the anomalies' presence south of 30 deg N latitude. Further monitoring of the aerosol evolution is indicated.
Labitzke Karin
McCormick Patrick M.
Naujokat Barbara
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