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Ecological Systems and Devices Annotation << Back
The Method for Neural Network Calculation
of Concentrations of Priority Pollutants
in the Surface Layer of Atmospheric Air |
Tunakova Yu.A., Novikova S.V.,
Shagidullin A.R., Valiev V.S.
The development of methods for computational monitoring of atmospheric air pollution plays an important role in ensuring
sustainable development on the territories with high level of atmospheric pollution. The development of local models of
atmospheric diffusion of impurities is carried out on the basis of taking into account the characteristics of turbulent air
fl ows, determined using a system of hydrothermodynamic equations or empirical data (Gaussian models). Such a description
of the atmosphere is deterministic, while in the surface layer of atmospheric air, each calculated concentration value at given
parameter values corresponds to an infi nite set of observed impurity concentration values. The complication of deterministic
calculation models is associated with an increase in the diffi culty and resource intensity of calculations. Therefore, the
accuracy of calculations using the normative calculation model can be increased by using artifi cial neural networks. Neural
networks are trained on the data of experimental measurements of surface concentrations of pollutants, and then can
reproduce the complex effect of meteorological factors, local dispersion conditions and compensate for the error in the
initial parameters of stationary and mobile emission sources. The article formulates the method for using artifi cial neural
networks to calculate surface concentrations of pollutants in the atmospheric air. The results of designing and training
neural networks for calculating the concentrations of common impurities are presented.
Keywords: atmospheric pollution, atmospheric emissions, dispersion calculation, artifi cial neural network.
DOI: 10.25791/esip.11.2023.1410
Pp. 24-31. |
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