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Proceedings Paper

Simulation model of scattering properties and extinction of laser light applied to urban aerosols over the city of Cali, Colombia
Author(s): Edith Rodríguez; Elena Montilla; Mauricio Jaramillo; Efraín Solarte; Alvaro Bastidas
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Paper Abstract

Aerosols are among the most spatially variable components of the atmosphere, and thus their study requires their monitoring over a broad geographic range. The backscattering of light from suspended solid and liquid particles in the atmosphere obeys Mie scattering theory. Light attenuation in the spectral region from 300 to 4000 nm due to Mie scattering exceeds that due to molecular (Rayleigh) scattering and ozone absorption combined. This occurs despite the fact that aerosol particle concentrations in the atmosphere are many orders of magnitude smaller than molecular concentrations. Starting from the characteristics of urban aerosols measured over the city of Cali (Colombia), 3° 30' N, 76° 30' W, with a PM10 particle selector, along with information on meteorological conditions typical of the region, we present the results of a study of light scattering properties generated using a model applied Mie scattering theory to size parameter between 0 and 50, with an increment of 0.01, and Matlab computer code, to simulate and predict measurements with a Lidar system operating at 532 nm.

Paper Details

Date Published: 31 October 2005
PDF: 6 pages
Proc. SPIE 5984, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing, 59840S (31 October 2005); doi: 10.1117/12.627755
Show Author Affiliations
Edith Rodríguez, Univ. del Cauca (Colombia)
Elena Montilla, Univ. del Valle (Colombia)
Mauricio Jaramillo, Pontificia Univ. Javeriana (Colombia)
Efraín Solarte, Univ. del Valle (Colombia)
Alvaro Bastidas, Univ. del Cauca (Colombia)

Published in SPIE Proceedings Vol. 5984:
Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing
Upendra N. Singh, Editor(s)

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