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Carbon monoxide mixing ratio inference from gas filter radiometer dataA new algorithm has been developed which permits, for the first time, real time data reduction of nadir measurements taken with a gas filter correlation radiometer to determine tropospheric carbon monoxide concentrations. The algorithm significantly reduces the complexity of the equations to be solved while providing accuracy comparable to line-by-line calculations. The method is based on a regression analysis technique using a truncated power series representation of the primary instrument output signals to infer directly a weighted average of trace gas concentration. The results produced by a microcomputer-based implementation of this technique are compared with those produced by the more rigorous line-by-line methods. This algorithm has been used in the reduction of Measurement of Air Pollution from Satellites, Shuttle, and aircraft data.
Document ID
19830043232
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Wallio, H. A.
(NASA Langley Research Center Hampton, VA, United States)
Reichle, H. G., Jr.
(NASA Langley Research Center Hampton, VA, United States)
Casas, J. C.
(NASA Langley Research Center Hampton, VA, United States)
Saylor, M. S.
(Old Dominion University Norfolk, VA, United States)
Gormsen, B. B.
(Systems and Applied Sciences Corp. Hampton, VA, United States)
Date Acquired
August 11, 2013
Publication Date
March 1, 1983
Publication Information
Publication: Applied Optics
Volume: 22
Subject Category
Geophysics
Accession Number
83A24450
Distribution Limits
Public
Copyright
Other

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