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Proceedings Paper

Error Analysis And Calibration Of Lidar Aerosol Measurements
Author(s): Philip B. Russell; Thomas J. Swissler; M. Patrick McCormick; John M. Livingston
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Paper Abstract

We present a methodology for calculating the uncertainty in particulate backscattering derived from lidar aerosol measurements. Algebraic expressions are presented that include the effects of errors in (i) lidar signal, (ii) molecular density, (iii) atmospheric transmission, and (iv) lidar calibration. We also describe a simulation procedure that can be used to check the algebraic results by injecting random errors into simulated lidar measurements and retreival calculations. The algebraic and simulation results are demonstrated by applying them to stratospheric aerosol measurements by a new airborne lidar. A large set of balloonborne aerosol-counter measurements is analyzed to assess the probable error incurred by calibrating a lidar with the return from a "clean" (nearly dust-free) layer. The results show that in most latitude bands the upper troposphere is the preferable region for calibration (other factors being equal), and that the calibration errors are acceptably small.

Paper Details

Date Published: 19 December 1979
PDF: 7 pages
Proc. SPIE 0195, Atmospheric Effects on Radiative Transfer, (19 December 1979); doi: 10.1117/12.957933
Show Author Affiliations
Philip B. Russell, SRI International (United States)
Thomas J. Swissler, Systems and Applied Sciences Corporation (United States)
M. Patrick McCormick, National Aeronautics and Space Administration (United States)
John M. Livingston, SRI International (United States)

Published in SPIE Proceedings Vol. 0195:
Atmospheric Effects on Radiative Transfer
Claus B. Ludwig, Editor(s)

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