Heterogeneity of the spatial distribution of CO2 and CH4 concentrations in the atmospheric surface layer over West Siberia: October-November 2018

Mikhail Yu. Arshinov; Boris D. Belan; Denis K. Davydov; Artem V. Kozlov; Alexadr V. Fofonov; Victoria Arshinova

doi:10.1117/12.2539205

18 December 2019 Heterogeneity of the spatial distribution of CO₂ and CH₄ concentrations in the atmospheric surface layer over West Siberia: October-November 2018

Mikhail Yu. Arshinov, Boris D. Belan, Denis K. Davydov, Artem V. Kozlov, Alexadr V. Fofonov, Victoria Arshinova

Author Affiliations +

Proceedings Volume 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1120831 (2019) https://doi.org/10.1117/12.2539205
Event: XXV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2019, Novosibirsk, Russian Federation

Abstract

Here, we present the results of a mobile campaign undertaken in late October to early November of 2018 to survey heterogeneity of the spatial distribution of CO₂ and CH₄ concentrations across West Siberia using the Picarro G4301 mobile gas concentration analyzer. The measurements were carried out along the following routes Tomsk–Karasevoe– Tomsk and Tomsk–Omsk–Tobolsk–Noyabrsk–Tobolsk–Chelyabinsk–Omsk–Tomsk. The highest baseline level of carbon dioxide mixing ratio of 431.0±2.2 ppm was observed at the western route segments between Chelyabinsk and Kurgan, and the lowest ones at segments Tomsk – Karasevoye, Demyanskoe – Noyabrsk, and Tobolsk – Yalutorovsk, where average concentrations of CO₂ were 410.1±1.1 ppm, 410.7±1.6 ppm, and 411.5±1.5 ppm, respectively. Enhanced methane background (> 2000 ppb) was recorded in the oil and gas production areas, as well as in the vicinity of such large industrial centers as Kurgan and Chelyabinsk.

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Mikhail Yu. Arshinov, Boris D. Belan, Denis K. Davydov, Artem V. Kozlov, Alexadr V. Fofonov, and Victoria Arshinova "Heterogeneity of the spatial distribution of CO₂ and CH₄ concentrations in the atmospheric surface layer over West Siberia: October-November 2018", Proc. SPIE 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1120831 (18 December 2019); https://doi.org/10.1117/12.2539205

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