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Algorithm for vertical ozone profile determination for the Nimbus-4 BUV data set
Pawan Kumar Bhartia, Kenneth F. Klenk, V. G. Kaveeshwar, Safura Ahmad, A. J. Fleig, Richard D. McPeters, Carl L. Mateer
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Abstract
A description is provided of the algorithm used by the Ozone Processing Team at NASA to process seven years of Backscatter Ultraviolet (BUV) ozone profile data. The algorithm is a modification of the original retrieval algorithm developed by Mateer (1972) to process some of the early data from the BUV experiment. Principal changes made are in the first guess selection scheme, the use of all wavelengths in the inversion, and the weighting of the various wavelengths according to the errors in the radiance estimation. It is found that the described BUV ozone profile algorithm is an extremely efficient algorithm for retrieving large amounts of satellite data. The algorithm makes full use of all the available information from the measured radiances including the longer wavelength radiances which previously had not been used.