29 November 2016 Methane content in the mid-upper troposphere of Western Siberia in 2003-2015: results of the AIRS/AMSU-Aqua
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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.
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Egor Yu. Mordvin, Anatoly A. Lagutin, 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); doi: 10.1117/12.2249472; https://doi.org/10.1117/12.2249472
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