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Applied Optics

Applied Optics


  • Vol. 41, Iss. 18 — Jun. 20, 2002
  • pp: 3665–3673

Microwindow selection for high-spectral-resolution sounders

Anu Dudhia, Victoria L. Jay, and Clive D. Rodgers  »View Author Affiliations

Applied Optics, Vol. 41, Issue 18, pp. 3665-3673 (2002)

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The recent development of satellite instruments that obtain spectrally resolved measurements of the atmosphere has highlighted the problem of how to determine the best subsets, or microwindows, of such spectra for retrievals of temperature and composition. A technique is described that maximizes the information content (or some other figure of merit) based on the modeling of the propagation of systematic as well as random error terms through the retrieval process. Apart from selecting microwindows, this technique can also prioritize existing microwindows for different circumstances and provides a full error analysis of the retrieval. A practical application is demonstrated for the Michelson Interferometer for Passive Atmospheric Sounding limb-viewing interferometer, but the technique is equally applicable to nadir-viewing instruments.

© 2002 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(010.1280) Atmospheric and oceanic optics : Atmospheric composition
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(300.6340) Spectroscopy : Spectroscopy, infrared

Original Manuscript: August 6, 2001
Revised Manuscript: January 30, 2002
Published: June 20, 2002

Anu Dudhia, Victoria L. Jay, and Clive D. Rodgers, "Microwindow selection for high-spectral-resolution sounders," Appl. Opt. 41, 3665-3673 (2002)

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