Error Analysis And Calibration Of Lidar Aerosol Measurements

Philip B. Russell; Thomas J. Swissler; M. Patrick McCormick; John M. Livingston

doi:10.1117/12.957933

19 December 1979 Error Analysis And Calibration Of Lidar Aerosol Measurements

Philip B. Russell, Thomas J. Swissler, M. Patrick McCormick, John M. Livingston

Proceedings Volume 0195, Atmospheric Effects on Radiative Transfer; (1979) https://doi.org/10.1117/12.957933
Event: 23rd Annual Technical Symposium, 1979, San Diego, United States

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.

Citation Download Citation

Philip B. Russell, Thomas J. Swissler, M. Patrick McCormick, and John M. Livingston "Error Analysis And Calibration Of Lidar Aerosol Measurements", Proc. SPIE 0195, Atmospheric Effects on Radiative Transfer, (19 December 1979); https://doi.org/10.1117/12.957933

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