Calibration of instruments for atmospheric ozone measurements II: the ACE FTS and MAESTRO spectrograph

Wayne F. Evans; Eldon Puckrin; Denis Dufour; Chris Ferguson; Kaley A. Walker; Christopher D. Boone; James R. Drummond

doi:10.1117/12.507320

10 November 2003 Calibration of instruments for atmospheric ozone measurements II: the ACE FTS and MAESTRO spectrograph

Wayne F. Evans, Eldon Puckrin, Denis Dufour, Chris Ferguson, Kaley A. Walker, Christopher D. Boone, James R. Drummond

Proceedings Volume 5151, Earth Observing Systems VIII; (2003) https://doi.org/10.1117/12.507320
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

A novel and simple technique is described for the calibration of satellite instruments for the measurement of atmospheric ozone. Ozone is generated in a gas cell and spectral measurements of the ozone absorption are measured with a standard Fourier-transform spectrometer (FTS) in order to determine the amount of ozone in the cell. The satellite instrument then views the cell using an appropriate illumination source. In this presentation the preliminary results from the ozone calibration procedure are presented for the ACE FTS and MAESTRO instruments to show how consistently both instruments measure ozone. The thermal infrared band of ozone at 4.7 microns was used to provide the calibration of the ACE interferometer, whereas the Chappuis band at 600 nm was used to characterize the response of the MAESTRO instrument. The ozone transmission spectra that were derived from the ACE FTS and MAESTRO spectrograph measurements were found to be in good agreement with the simulated spectra of known amounts of ozone from a radiative transfer model. All of the results yielded column ozone amounts that were within 10% of each other. These calibration measurements were taken at the University of Toronto in March 2003, before the expected launch date of the SciSat-1 satellite in August 2003.

Citation Download Citation

Wayne F. Evans, Eldon Puckrin, Denis Dufour, Chris Ferguson, Kaley A. Walker, Christopher D. Boone, and James R. Drummond "Calibration of instruments for atmospheric ozone measurements II: the ACE FTS and MAESTRO spectrograph", Proc. SPIE 5151, Earth Observing Systems VIII, (10 November 2003); https://doi.org/10.1117/12.507320

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