Simulation model of scattering properties and extinction of laser light applied to urban aerosols over the city of Cali, Colombia

Edith Rodríguez; Elena Montilla; Mauricio Jaramillo; Efraín Solarte; Alvaro Bastidas

doi:10.1117/12.627755

31 October 2005 Simulation model of scattering properties and extinction of laser light applied to urban aerosols over the city of Cali, Colombia

Edith Rodríguez, Elena Montilla, Mauricio Jaramillo, Efraín Solarte, Alvaro Bastidas

Author Affiliations +

Proceedings Volume 5984, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing; 59840S (2005) https://doi.org/10.1117/12.627755
Event: SPIE Remote Sensing, 2005, Bruges, Belgium

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.

Citation Download Citation

Edith Rodríguez, Elena Montilla, Mauricio Jaramillo, Efraín Solarte, and Alvaro Bastidas "Simulation model of scattering properties and extinction of laser light applied to urban aerosols over the city of Cali, Colombia", Proc. SPIE 5984, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing, 59840S (31 October 2005); https://doi.org/10.1117/12.627755

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