Airborne lidar observations of the Pinatubo volcanic plume

Details Airborne lidar observations of the Pinatubo volcanic plume Airborne lidar observations of the Pinatubo volcanic plume

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992georl..19..167w&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 19, Jan. 24, 1992, p. 167-170.

Physics

39

Aerosols, Air Pollution, Electra Aircraft, Optical Radar, Plumes, Volcanoes, Atmospheric Scattering, Sulfur Dioxides

Scientific paper

A dual-polarization lidar aboard the NASA Electra aircraft was used in July 1991 to survey the stratospheric plume from the recent Mt. Pinatubo eruption. Many distinct layers were observed, ranging from 17 to 26 km in altitude. Peak scattering ratios of as high as 80 at 532 nm were recorded. Total particle mass of the plume 27 days after the eruption is estimated from these measurements to be on the order of 8 megatonnes, with perhaps half the original SO2 converted to aerosol at that point.

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