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Proceedings Paper

Optical Properties Of Clouds And Aerosols Derived From Ground-Based Remote Sensing Methods
Author(s): G. M. Lerfald; V. E. Derr; N. L. Abshire; R. E. Cupp; H. L. Ericson
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Paper Abstract

Simultaneous measurements using several types of remote sensing techniques have been analyzed and combined to yield data sets on the optical properties of clouds and aerosols. The parameters observed include (1) extinction at nine wavelengths in the 0.3-to-10.0 μm wavelength range as measured by solar radiometers, (2) the backscatter coefficient and depolarization as a function of range as measured by a pulsed ruby lidar, (3) the angular scattering function out to 8° from the sun as measured by an aureole photometer, and (4) the visual characteristics and identification of sky conditions obtained through time-lapse sky photography. The data are sorted according to the type of cloud or aerosol present as determined by lidar backscatter information (height profile and depolarization characteristics) and visual identification. Some results on optical properties are presented including the wavelength dependence of aerosol extinction, and preliminary data on angular scattering in the near-forward direction and wavelength dependence of extinction due to several types of clouds. Practical applications of the data include their use in design of optical propa-gation links and solar energy systems, and as input to computer models of atmospheric transmission.

Paper Details

Date Published: 25 November 1980
PDF: 6 pages
Proc. SPIE 0248, Role of Electro-Optics in Photovoltaic Energy Conversion, (25 November 1980); doi: 10.1117/12.970602
Show Author Affiliations
G. M. Lerfald, National Oceanic and Atmospheric Administration (United States)
V. E. Derr, National Oceanic and Atmospheric Administration (United States)
N. L. Abshire, National Oceanic and Atmospheric Administration (United States)
R. E. Cupp, National Oceanic and Atmospheric Administration (United States)
H. L. Ericson, National Oceanic and Atmospheric Administration (United States)


Published in SPIE Proceedings Vol. 0248:
Role of Electro-Optics in Photovoltaic Energy Conversion
Satyendra K. Deb, Editor(s)

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