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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 33 — Nov. 20, 2002
  • pp: 6968–6979

Atmospheric Trace Molecule Spectroscopy (ATMOS) Experiment Version 3 data retrievals

Fredrick W. Irion, Michael R. Gunson, Geoff C. Toon, Albert Y. Chang, Annmarie Eldering, Emmanuel Mahieu, Gloria L. Manney, Hope A. Michelsen, Elizabeth J. Moyer, Michael J. Newchurch, Gregory B. Osterman, Curtis P. Rinsland, Ross J. Salawitch, Bhaswar Sen, Yuk L. Yung, and Rodolphe Zander  »View Author Affiliations


Applied Optics, Vol. 41, Issue 33, pp. 6968-6979 (2002)
http://dx.doi.org/10.1364/AO.41.006968


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Abstract

Version 3 of the Atmospheric Trace Molecule Spectroscopy (ATMOS) experiment data set for some 30 trace and minor gas profiles is available. From the IR solar-absorption spectra measured during four Space Shuttle missions (in 1985, 1992, 1993, and 1994), profiles from more than 350 occultations were retrieved from the upper troposphere to the lower mesosphere. Previous results were unreliable for tropospheric retrievals, but with a new global-fitting algorithm profiles are reliably returned down to altitudes as low as 6.5 km (clouds permitting) and include notably improved retrievals of H<sub>2</sub>O, CO, and other species. Results for stratospheric water are more consistent across the ATMOS spectral filters and do not indicate a net consumption of H<sub>2</sub> in the upper stratosphere. A new sulfuric-acid aerosol product is described. An overview of ATMOS Version 3 processing is presented with a discussion of estimated uncertainties. Differences between these Version 3 and previously reported Version 2 ATMOS results are discussed. Retrievals are available at http://atmos.jpl.nasa.gov/atmos.

© 2002 Optical Society of America

OCIS Codes
(010.1280) Atmospheric and oceanic optics : Atmospheric composition
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(300.1030) Spectroscopy : Absorption

Citation
Fredrick W. Irion, Michael R. Gunson, Geoff C. Toon, Albert Y. Chang, Annmarie Eldering, Emmanuel Mahieu, Gloria L. Manney, Hope A. Michelsen, Elizabeth J. Moyer, Michael J. Newchurch, Gregory B. Osterman, Curtis P. Rinsland, Ross J. Salawitch, Bhaswar Sen, Yuk L. Yung, and Rodolphe Zander, "Atmospheric Trace Molecule Spectroscopy (ATMOS) Experiment Version 3 data retrievals," Appl. Opt. 41, 6968-6979 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-33-6968

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