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18 August 1978 Remote Sensing Of Aerosol Properties Using Laser Radar Techniques
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Proceedings Volume 0142, Optical Properties of the Atmosphere; (1978) https://doi.org/10.1117/12.956529
Event: 1978 Technical Symposium East, 1978, Washington, D.C., United States
Abstract
Single-wavelength lidar systems can be used to observe distributions of aerosol, cloud, and precipitation elements over extended atmospheric regions with extremely high spatial and temporal resolution. Atmospheric structure revealed by this technique can provide information on atmospheric dynamic and physical behavior that is difficult to obtain by other means. However, quantitative evaluation of optical or physical densities from back-scatter records normally requires information or assumptions on the size, shape, and composition of the scattering particles. Recent research efforts have been directed to the development of lidar techniques for remote density analysis that minimize uncertainties introduced by particle characteristics and that assess the magnitude of these uncertainties. This paper reviews the capability of lidar for remote observation of atmospheric structure and presents recently obtained experimental data pertaining to the remote measurement of aerosol optical and physical properties. Presented are: (1) a comparison of backscattering observed from black and white smoke; (2) two-wavelength (0.7 and 10.6 µm) data obtained from lidar measurement of large-sized dust and small-sized smoke particles; and (3) transmission measurements of generated aerosols of various known size distributions at visible and 3.39-µm wavelengths. These data indicate that an optimum wavelength region exists for single-wavelength measurement of aerosol physical density and that multi-wavelength techniques can be used to derive particle size information.
© (1978) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Edward E. Uthe "Remote Sensing Of Aerosol Properties Using Laser Radar Techniques", Proc. SPIE 0142, Optical Properties of the Atmosphere, (18 August 1978); https://doi.org/10.1117/12.956529
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