Methane content in the mid-upper troposphere of Western Siberia in 2003-2015: results of the AIRS/AMSU-Aqua

Egor Yu. Mordvin; Anatoly A. Lagutin; Konstantin M. Makushev

doi:10.1117/12.2249472

29 November 2016 Methane content in the mid-upper troposphere of Western Siberia in 2003-2015: results of the AIRS/AMSU-Aqua

Egor Yu. Mordvin, Anatoly A. Lagutin, Konstantin M. Makushev

Author Affiliations +

Proceedings Volume 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1003578 (2016) https://doi.org/10.1117/12.2249472
Event: XXII International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2016, Tomsk, Russian Federation

Abstract

Seasonal cycle and interannual variability of methane content in the mid-upper troposphere has been investigated over Western Siberia domain in 2003-2015. This region concentrates significant sources of CH₄ of both natural (wetland) and anthropogenic (gas and oil extraction and distribution) types. The study was based on the measurements of the Atmospheric Infrared Sounder/Advanced Microwave Sounding Unit (AIRS/AMSU) aboard NASA's Aqua satellite. It was found that mixing ratio of methane has a maximum in winter (January-February) and in summer-autumn (July- September) in every year cycle for the period mentioned above. It was shown that methane content in mid-upper troposphere over Western Siberia increased with the rate of ~4.7 ppbv/yr in this period.

Citation Download Citation

Egor Yu. Mordvin, Anatoly A. Lagutin, and Konstantin M. Makushev "Methane content in the mid-upper troposphere of Western Siberia in 2003-2015: results of the AIRS/AMSU-Aqua", Proc. SPIE 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1003578 (29 November 2016); https://doi.org/10.1117/12.2249472

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