Dynamics of atmospheric gaseous pollutants and aerosols at peat fires

Authors

  • Marchuk G.I. Institute of Numerical Mathematics, Russian Academy of Sciences, Moscow, Российская Федерация
  • Aloyan A.E. Institute of Numerical Mathematics, Russian Academy of Sciences, Moscow, Российская Федерация
  • Arutyunyan V.O. Institute of Numerical Mathematics, Russian Academy of Sciences, Moscow, Российская Федерация
  • Yermakov A.N. Institute of Energy Problems of Chemical Physics RAS, Moscow, Российская Федерация

UDC

551.509.68

Abstract

We consider a combined model of the hydrodynamics of mesoscale atmospheric processes and transport of multi-component gaseous pollutants and aerosols in the atmosphere, incorporating photochemical transformations, nucleation, condensation/evaporation, and coagulation. Within this model there were performed numerical calculations of the formation of organic aerosol particles at the given emissions of incomplete biomass burning products resulting from peat fires. We analyze the spatial and temporal variability of the concentrations of gaseous species arising from peat fires and the products of their photochemical reactions in the atmosphere. Over the fire source area, the concentration of peroxide radicals is tens of times greater than their background value, while the nitrogen oxides are available here mainly as NO2. Based on the results of numerical calculations, we study the spatial and temporal variability of accumulated organic substances in the aerosol phase depending on the particle size

Keywords:

mathematical modeling, peat fires, atmospheric chemical processes, organic aerosol, condensation, coagulation, photochemistry

Acknowledgement

Работа выполнена в рамках проектов РФФИ (12-05-00278, 12-05-00236).

Author Infos

Guriy I. Marchuk

академик РАН, почетный директор Института вычислительной математики РАН

e-mail: guri@inm.ras.ru

Artash E. Aloyan

д-р физ.-мат. наук, ведущий научный сотрудник Института вычислительной математики РАН

e-mail: aloyan@inm.ras.ru

Vardan O. Arutyunyan

канд. физ.-мат. наук, научный сотрудник Института вычислительной математики РАН

e-mail: vardan@inm.ras.ru

Aleksandr N. Yermakov

д-р физ.-мат. наук, ведущий научный сотрудник Института энергетических проблем химической физики РАН

e-mail: ayermakov@chph.ras.ru

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Issue

2013. No. 3

Pages

85-100

Submitted

2013-08-14

Published

2013-09-23

How to Cite

Marchuk G.I., Aloyan A.E., Arutyunyan V.O., Yermakov A.N. Dynamics of atmospheric gaseous pollutants and aerosols at peat fires. Ecological Bulletin of Research Centers of the Black Sea Economic Cooperation, 2013, no. 3, pp. 85-100. (In Russian)

Copyright (c) 2013 Marchuk G.I., Aloyan A.E., Arutyunyan V.O., Yermakov A.N.

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