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Grainger et al. 1993

Grainger, R.G., Lambert, A., Taylor, F.W., Remedios, J.J., Rodgers, C.D., Corney, M. and Kerridge, B.J. (1993). Infrared absorption by volcanic stratospheric aerosols observed by ISAMS. Geophysical Research Letters 20: doi: 10.1029/93GL00823. issn: 0094-8276.

The Improved Stratospheric and Mesospheric Sounder (ISAMS) aboard the Upper Atmosphere Research Satellite (UARS) senses in 14 wideband channels in the infrared. The absorption by the Mount Pinatubo aerosol cloud for nine of the channels was averaged over heights from 20 km to 30 km for a 60¿ latitude band centered on the Equator. The absorption spectrum for sulphuric acid-water aerosols was calculated for wavelengths from 4 &mgr;m to 17 &mgr;m and investigated as a function of the particle size distribution and the particle composition. The infrared spectrum is shown to be more sensitive to changes in particle composition than to drop size; the ISAMS results are consistent with drops composed of a 59% to 77% solution of sulphuric acid in water. ¿ American Geophysical Union 1993

BACKGROUND DATA FILES

	Abstract

Keywords
Atmospheric Composition and Structure, Volcanic effects, Atmospheric Composition and Structure, Aerosols and particles, Atmospheric Composition and Structure, Middle atmosphere—composition and chemistry, Volcanology, Atmospheric effects

Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/

Publisher
American Geophysical Union
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