Abstract
12-year LIDAR observations of tropospheric aerosol vertical distribution
using a Mie scattering LIDAR in Hefei (31.9°N, 117.2°E) from 1998
to 2009 are presented and analyzed in this paper. Characters of temporal variation
and vertical distribution of tropospheric aerosol over Hefei are summarized from the
LIDAR measurements. The impacts of natural source and human activities on the
aerosol vertical distribution over Hefei could be seen clearly. Dust particles from
the north in spring could affect the aerosol distributions below about 12 km over
Hefei, and aerosol scale height in April reaches 2.29±0.68 km. Both LIDAR
measurements and surface visibility imply that aerosols in the lower troposphere
have been increasing since about 2005.
© 2011 Optical Society of Korea
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