Physics
Scientific paper
Sep 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994georl..21.2011r&link_type=abstract
Geophysical Research Letters, Volume 21, Issue 18, p. 2011-2014
Physics
3
Atmospheric Composition And Structure: Aerosols And Particles
Scientific paper
Using Sun-tracking photometers onboard balloon, the Pinatubo volcanic aerosol layer has been studied over Hyderabad (17.5°N) in October 1991, about 4 months after the eruption. From the aerosol extinction coefficients the mode radius and from the angular distribution of the scattered radiation intensity measurements the asymmetry factor g are determined. Mode radii are found to be in the range of 0.22+/-0.05 μm within the aerosol layer while g values are found to be 0.83+/-0.04, indicating the presence of larger particles. The mass determination reveals that the mass of the Pinatubo layer is about 0.053 gm-2 which is 3.75 times higher than the earlier reported value for El Chichon layer, about 4 months after the eruptions.
Acharya Y. B.
Jayaraman Anandhan
Ramachandran Sujatha
Subbaraya B. H.
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