Long path DOAS measurements of atmospheric pollutants concentration

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Title: Long path DOAS measurements of atmospheric pollutants concentration
Creator: Geiko, Pavel P.
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Smirnov, Sergey S.
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Samokhvalov, Ignatii V.
Date: 2015
DOI: 10.1117/12.2205121
Description: A differential optical absorption spectroscopy gas-analyzer consisted of a coaxial telescope, a spectrometer, an analyzer and retroreflector was successfully tested. A high pressure 150-W Xe arc lamp was employed as a light source. In order to record the spectra, a monochrometer with a grating and photodiode array was used. Gas analyzer spectral data bank includes more than 35 moleculas absorbed in UV spectral region. The measured absorption spectra were evaluated by using a least-squares fit to determine the average mixing ratio of each species in the atmosphere. As a result of experiments time series of concentrations of gases polluting the atmosphere were trace measured. Minimally detected concentration on pathlength 480 m is the unit of ppb at the time of accumulation of 2 min. The results of the field test measurements of pollutants in Tomsk city are presented.

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collection(s): Радиофизический факультет
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Proceedings of SPIE. 2015. Vol. 9680 : 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, June 22-26, 2015, Tomsk, Russian Federation. P. 968034-1-968034-7
Language: eng

Created: 22-06-2017

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Радиофизический факультет Long path DOAS measurements of atmospheric pollutants concentration