Stratospheric aerosol size distributions from multispectral lidar measurements at Sodankylae during EASOE

Multispectral lidar data measured at Sodankylae (67 degree N, 26 degree E), have been used to characterize stratospheric aerosols. Using depolarization measurements, particles have been classified into PSC and volcanic aerosols. While Pinatubo aerosol could be observed inside the polar vortex from t...

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Published inGeophysical research letters Vol. 21; no. 13; pp. 1311 - 1314
Main Authors Stein, B, Del Guasta, M, Kolenda, J, Morandi, M, Rairoux, P, Stefanutti, L, Wolf, J P, Woste, L
Format Journal Article
LanguageEnglish
Published United States 01.06.1994
Subjects
AEROSOLS
ALTITUDE
CLOUDS
COLLOIDS
Depolarization
DISPERSIONS
EARTH ATMOSPHERE
ECOLOGICAL CONCENTRATION
ENVIRONMENTAL SCIENCES
FLUIDS
GASES
Geophysics
Lidar
Particle size distribution
Polar vortex
SIZE
SOLS 540120 > Environment, Atmospheric > Chemicals Monitoring & Transport > (1990-)
STRATOSPHERE
Surface area
VOLCANIC GASES
Sodankylae, Finland
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Summary:Multispectral lidar data measured at Sodankylae (67 degree N, 26 degree E), have been used to characterize stratospheric aerosols. Using depolarization measurements, particles have been classified into PSC and volcanic aerosols. While Pinatubo aerosol could be observed inside the polar vortex from the beginning of the campaign, only few PSC events have been observed. For Pinatubo aerosol lognormal size distribution parameters have been retrieved, indicating particle distributions with 0.1 mu m to 0.3 mu m median-radius between 17 and 22 km and up to 0.7 mu m below. Height resolved size distribution parameters and aerosol surface areas are given.
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ISSN:0094-8276
1944-8007
DOI:10.1029/93GL02891