Corrections for temperature dependence of the ring effect in DOAS measurements of stratospheric trace gases

Ivan K. Kostadinov; Giorgio Giovanelli; Fabrizio Ravegnani

doi:10.1117/12.317769

18 August 1998 Corrections for temperature dependence of the ring effect in DOAS measurements of stratospheric trace gases

Ivan K. Kostadinov, Giorgio Giovanelli, Fabrizio Ravegnani

Author Affiliations +

Proceedings Volume 3501, Optical Remote Sensing of the Atmosphere and Clouds; (1998) https://doi.org/10.1117/12.317769
Event: Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 1998, Beijing, China

Abstract

The present work deals with the problem regarding the improvement of the differential optical absorption spectroscopy (DOAS), applied to study the stratospheric ozone and other trace gases involved in this chemistry. In particular, the temperature dependence of the Ring effect and the related changes of the NO₂ slant column caused by this dependence is verified. The temperature dependence of NO₂ is also taken into account. It is shown that the stratospheric temperature variations of about +/- could modify the Stokes and anti-Stokes Raman component and hence modify the Ring effect. The presented results demonstrate that, if such temperature variations are ignored, the related NO₂ slant column could be over- or underestimated of about 10 percent.

Citation Download Citation

Ivan K. Kostadinov, Giorgio Giovanelli, and Fabrizio Ravegnani "Corrections for temperature dependence of the ring effect in DOAS measurements of stratospheric trace gases", Proc. SPIE 3501, Optical Remote Sensing of the Atmosphere and Clouds, (18 August 1998); https://doi.org/10.1117/12.317769

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