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Proceedings Paper

Raman lidar measurements of cloud liquid water and droplet size
Author(s): David N. Whiteman; Samuel Harvey Melfi
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Paper Abstract

A new technique for measuring cloud liquid water, mean droplet radius and droplet number density has been presented elsewhere and is reviewed here. A new extension of the theory is then presented which allows multiple scattering to be quantified. The technique is based on simultaneously measuring Raman and Mie scattering from cloud liquid droplets using a Raman lidar. The intensity of Raman scattering is known to be proportional to the amount of liquid present in cloud droplets. This fact is used as a constraint on calculated Mie intensity to calculate droplet radius and number density. The technique is tested using Raman lidar data. The general relationship of retrieved average radius and number density is consistent with traditional cloud physics models.

Paper Details

Date Published: 8 December 1999
PDF: 9 pages
Proc. SPIE 3867, Satellite Remote Sensing of Clouds and the Atmosphere IV, (8 December 1999); doi: 10.1117/12.373046
Show Author Affiliations
David N. Whiteman, NASA Goddard Space Flight Ctr. (United States)
Samuel Harvey Melfi, Univ. of Maryland/Baltimore County (United States)

Published in SPIE Proceedings Vol. 3867:
Satellite Remote Sensing of Clouds and the Atmosphere IV
Jaqueline E. Russell, Editor(s)

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