Large-Scale Smoke Haze over the European Part of Russia and Belorus in July 2016

G. I. Gorchakov; E. A. Kozlovtseva; O. V. Loskutova; G. A. Kuznetsov; T. Ya. Ponomareva; N. V. Pankratova; I. A. Gorchakova; A. V. Karpov; V. M. Kopeikin; E. G. Semoutnikova; S. A. Sitnov; K. V. Rodina

doi:10.1134/S0001433818090177

Large-Scale Smoke Haze over the European Part of Russia and Belorus in July 2016

Authors: Gorchakov G.I.¹, Kozlovtseva E.A.², Loskutova O.V.³, Kuznetsov G.A.¹, Ponomareva T.Y.⁴, Pankratova N.V.¹, Gorchakova I.A.¹, Karpov A.V.¹, Kopeikin V.M.¹, Semoutnikova E.G.², Sitnov S.A.¹, Rodina K.V.²
Affiliations:
1. A.M. Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences
2. Faculty of Physics, Moscow State University
3. Mendeleev University of Chemical Technology of Russia
4. Hydrometeorological Center of Russia
Issue: Vol 54, No 9 (2018)
Pages: 986-996
Section: Use of Space Information about the Earth
URL: https://journals.rcsi.science/0001-4338/article/view/148628
DOI: https://doi.org/10.1134/S0001433818090177
ID: 148628

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Abstract

The smoke haze over the European part of Russia (EPR) and Belorus in July 2016 has been studied with the use of aerosol optical thickness (AOT) data measured by MODIS satellite spectrometers. The AOT maximum on the territory limited by coordinates 45°–70° N and 20°–60° E reached 2.95 on July 24, 2016 with an average regional value of 0.48. The total mass of smoke aerosol without the area covered by clouds was 0.73 million tons. Analysis of the wind fields and five-day back trajectories of air mass movement showed that the smoke was transported by the northeast winds to the EPR and Belorus from western Siberia, including the Yamalo-Nenets Autonomous District, which was characterized by large forest fires from July 17 to 23. Simulation of the radiation regime of the smoky atmosphere indicated that the average radiative forcings of smoke aerosol at upper and lower boundaries of the atmosphere for the above-mentioned territory are –29 and –54 W/m², respectively (the extreme values are –124 and –154 W/m2, respectively). A comparative analysis of the smoke haze characteristics over the EPR in July 2016 and in summer 2010 has been conducted. According to ground-based measurement data, the mass concentration of PM10 during the smoke period from July 24 to 27 in the Moscow region reached 0.25 mg/m³.

Keywords

smoke aerosol, long-range transport, aerosol optical thickness, radiative forcing, smoke mass, aerosol mass concentration, MODIS, AERONET

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Large-Scale Smoke Haze over the European Part of Russia and Belorus in July 2016

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Abstract

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About the authors

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