29 November 2016 Atmospheric CH2O and NO2 contents during severe heat waves and wildfires in European Russia in 2010 and Siberia in 2012
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Proceedings Volume 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 100356R (2016) https://doi.org/10.1117/12.2249172
Event: XXII International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2016, Tomsk, Russian Federation
Abstract
Using data from the OMI (Aura) satellite instrument, the changes in the atmospheric contents of formaldehyde (CH2O) and nitrogen dioxide (NO2), associated with the extreme summer heat waves and wildfires in European Russia (ER) in 2010 and in Western Siberia (WS) in 2012 were investigated. Marked increase of the regional CH2O contents, up to 1.7⋅1016 molec/cm2 over ER (an increase by 72%) and up to 1.4⋅1016 molec/cm2 over WS (55%), was revealed. The regional CH2O contents positively correlate with the number of active fires in ER and WS, and also with the surface temperature. The regional NO2 contents have slightly increased during the wildfires - up to 1.4⋅1015 molec/cm2 (4%) over ER and up to 1.0 ⋅1015 molec/cm2 (6%) over WS, however over the clusters of intense fires the growth in tropospheric NO2 in separate days reached tens percent.
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S. A. Sitnov, I. I. Mokhov, "Atmospheric CH2O and NO2 contents during severe heat waves and wildfires in European Russia in 2010 and Siberia in 2012", Proc. SPIE 10035, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 100356R (29 November 2016); doi: 10.1117/12.2249172; https://doi.org/10.1117/12.2249172
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