Observations of the ozone and nitrogen dioxide profiles in the TROICA-4 experiment

To investigate the vast area of Russia, a mobile scientific facility based in a railway carriage was developed. It is capable to perform continues measurements being coupled in a passenger train traveling along railroads. It was first equipped with a spectrometer for remote sensing of ozone and nitr...

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Bibliographic Details
Published in:Advances in space research 2006, Vol.37 (12), p.2231-2237
Main Authors: Postylyakov, O.V., Belikov, I.B., Elansky, N.F., Elokhov, A.S.
Format: Article
Language:English
Subjects:
Air mass factors
DOAS technique
Nitrogen dioxide
Ozone
Radiative transfer model
Retrieval algorithms
Total content
Vertical distribution
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Summary:To investigate the vast area of Russia, a mobile scientific facility based in a railway carriage was developed. It is capable to perform continues measurements being coupled in a passenger train traveling along railroads. It was first equipped with a spectrometer for remote sensing of ozone and nitrogen dioxide in the atmosphere for the transcontinental observations into the chemistry of the atmosphere-4 expedition performed from February 18 to March 5, 1998. A twilight DOAS method, which was applied for retrieval of the nitrogen dioxide profiles basing on spectral measurements at the visible wavelengths (434–451 nm), is described in the paper. Main features of a new algorithm for retrieval of the ozone profile and total content using the differential structure of the UV spectrum (310–335 nm) are presented. The ozone and nitrogen dioxide contents are obtained and shortly validated against available alternative data.
ISSN:0273-1177
1879-1948
DOI:10.1016/j.asr.2005.07.023