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Simulation of the Dynamics of an NO2 Plume from a Point Source


The process of the formation of a plume of NO2 emitted into the atmosphere by a point source is considered. A new technique is suggested for retrieving NO2 distribution fields in the troposphere from GSA Resource-P satellite data with the use of mathematical simulation. The functional form of the model is determined, which agrees in complexity with the amount of available experimental information; the values of the model parameters are found. The emission power is calculated. The reliability of the simulation results is estimated from the comparison of the calculations with the experimental distribution of the altitude-integratal amount of NO2 in air depending on the horizontal coordinates.

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The study was carried out under the financial support of the Russian Foundation for Basic Research (project no. 18-29-10 080).

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Correspondence to N. A. Tikhonov, S. A. Zakharova or M. A. Davydova.

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Tikhonov, N.A., Zakharova, S.A. & Davydova, M.A. Simulation of the Dynamics of an NO2 Plume from a Point Source. Atmos Ocean Opt 34, 45–49 (2021).

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  • mathematical simulation
  • atmospheric diffusion of impurities
  • transport and chemical transformation of active anthropogenic impurities
  • pollutant plume
  • point source
  • emission power estimation