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Atmospheric and Oceanic Optics

2016 year, number 7

Study of large-scale inhomogeneities of aerosol fields caused by forest fires in Siberia

O.A. Tomshin, V.S. Solovyev
Yu.G. Shafer Institute of Cosmophysical Research and Aeronomy of the Siberian Branch of the RAS, 677980, Yakutsk, 31, Lenina ave
Keywords: лесные пожары, аэрозоль, дистанционное зондирование, forest fires, aerosols, remote sensing

Abstract

Large-scale inhomogeneities of aerosol fields caused by forest fires in Siberia were studied on remote sensing data. Analysis of aerosol fields dynamics for the data on 1986, 2002, 2012 shows that formation of large-scale inhomogeneities with high AI values and lifetime of  5-7 days after forest fires cessation is possible. The spatial scales of these inhomogeneities can be several millions sq. km. Transport of emissions from forest fires in Siberia in most cases is determined by the dominant western transfer of air masses, but in some cases there was a shift in an easterly direction. Total emissions of CO2, CO, CH4, etc. from forest fires in Yakutia were calculated.