Influence of aerosols and clouds on tropospheric infrared radiative transfer and air pollution remote sensing

Rainer Haus

doi:10.1117/12.221060

20 September 1995 Influence of aerosols and clouds on tropospheric infrared radiative transfer and air pollution remote sensing

Rainer Haus

Author Affiliations +

Proceedings Volume 2506, Air Pollution and Visibility Measurements; (1995) https://doi.org/10.1117/12.221060
Event: European Symposium on Optics for Environmental and Public Safety, 1995, Munich, Germany

Abstract

Optical remote sensing techniques play an increasing role in assessing air pollution by various industrial emission sources. The interpretation of radiation measurements of distant sources requires modeling of tropospheric radiative transfer which is determined by molecular and aerosol absorption and scattering. The paper describes a radiation simulation algorithm developed to analyze Fourier-transform-infrared-spectroscopic (FTIS) measurements of both distant hot sources and ambient air diffuse emissions with special emphasis to the influence of aerosol and cloud absorption and multiple-scattering. The retrieval software is based on line- by-line and Mie-scattering routines. It is shown, how measured FTIS plume spectra depend on different meteorological conditions. Consideration of aerosol absorption is very important for the quantification of air pollutants from measured spectra, whereas effects of multiple- scattering can be neglected in most cases.

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Rainer Haus "Influence of aerosols and clouds on tropospheric infrared radiative transfer and air pollution remote sensing", Proc. SPIE 2506, Air Pollution and Visibility Measurements, (20 September 1995); https://doi.org/10.1117/12.221060

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