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Detection of Polar Stratospheric Clouds with Next Generation IR Sounders

  • R. Meerkoetter
Conference paper
Part of the NATO ASI Series book series (volume 9)

Abstract

A bispectral approach to temperature determination of semitransparent clouds is taken to identify areas covered by Polar Stratospheric Clouds (PSCs). The method uses information from two satellite pixels and two spectral channels in the infrared. PSCs form and emit in very cold stratospheric environments (<195 K), and solutions of the bispectral method yield low temperatures in a range that clearly differ from those derived for a cold but cloudfree stratosphere. Application of the method to HIRS data of the NOAA-satellite gained during the major PSC event on January 31 1989 identified large areas covered by dense PSCs which were in very good agreement with independent airborne measurements. Simulations demonstrate the potental of the method with high spectral resolution IR sounder information.

Keywords

Optical Depth High Spectral Resolution Airborne Lidar Cloud Optical Depth Polar Stratospheric Cloud 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. Hanson D, Mauersberger K (1988) Laboratory Studies of the Nitric Acid Trihydrate: Implications for Antarctic Ozone Depletion. Geoph Res Lett 17: 855–858CrossRefGoogle Scholar
  2. McClatchey R A et al. (1972) Optical Properties of the Atmosphere. AFCRL Rep. No. 72–0497, Air Force Cambridge Res. Lab., Bedford, Mass., p 108Google Scholar
  3. McCormick M P et al. (1990) Arctic Polar Stratospheric Clouds Observations by Airborne Lidar. Geoph Res Lett 17: 365–368CrossRefGoogle Scholar
  4. Plass G N et al. (1973) Matrix-Operator-Theory of Radiative Transfer. Appl Opt 12: 314–329CrossRefGoogle Scholar
  5. Pollinger W, Wendling P (1984) A Bispectral Method for the Height Determination of Optically Thin Ice Clouds. Beitr Phys Atm 57: 269–281Google Scholar
  6. Warren S G (1984) Optical Constants of Ice from the Ultraviolett to the Microwave. Appl Opt 23: 1206–1225CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • R. Meerkoetter
    • 1
  1. 1.German Aerospace Research EstablishmentAtmospheric PhysicsOberpfaffenhofenFederal Republic Germany

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