Stratosphere NO2 observation at mid- and high latitude performed with ground-based spectrometers

Daniele Bortoli; Fabrizio Ravegnani; Ivan K. Kostadinov; Giorgio Giovanelli; Andrea Petritoli; Rolf Werner; Atanas Atanassov; Dimiter Valev

doi:10.1117/12.413877

31 January 2001 Stratosphere NO₂ observation at mid- and high latitude performed with ground-based spectrometers

Daniele Bortoli, Fabrizio Ravegnani, Ivan K. Kostadinov, Giorgio Giovanelli, Andrea Petritoli, Rolf Werner, Atanas Atanassov, Dimiter Valev

Author Affiliations +

Proceedings Volume 4168, Remote Sensing of Clouds and the Atmosphere V; (2001) https://doi.org/10.1117/12.413877
Event: Europto Remote Sensing, 2000, Barcelona, Spain

Abstract

UV-visible ground-based spectrometers were developed at the ISAO Institute and they are used for application of differential optical absorption spectroscopy (DOAS) methodology to detect stratospheric trace gases involved in the ozone cycle such as NO₂, OClO, and BrO. Observations of the light scattered from the zenith-sky were performed with the instrumentation above mentioned, in various stations situated in both the hemispheres. Some problematics connected to data validation and results analysis are introduced. Considerations about the temperature dependency of the cross-section used for the determination of the trace gases slant column are carried out. Results for nitrogen dioxide abundances at different season and various Solar Zenith Angle in their seasonal and diurnal variation are presented and discussed. Finally, the behavior of the sunrise nitrogen dioxide abundance over the sunset slant column is shown and examined.

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Daniele Bortoli, Fabrizio Ravegnani, Ivan K. Kostadinov, Giorgio Giovanelli, Andrea Petritoli, Rolf Werner, Atanas Atanassov, and Dimiter Valev "Stratosphere NO₂ observation at mid- and high latitude performed with ground-based spectrometers", Proc. SPIE 4168, Remote Sensing of Clouds and the Atmosphere V, (31 January 2001); https://doi.org/10.1117/12.413877

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