Vaskina I. Estimation of technogenic loading on roadside ecosystems

The dissertation is devoted to the actual problem of estimation and forecasting of anthropogenic loading on roadside ecosystems created by emissions from vehicles. The results of the work have been sufficiently tested and implemented. The method of estimating the emissions from motor vehicles has been improved. The use of the mode-technical coefficient, which takes into account such parameters as aerodynamic resistance of the vehicle of the air flow, road conditions, technical condition of motor vehicles, density of the traffic flow, atmospheric-meteorological conditions is suggested. The analytical dependences for the forecast estimations of pollutant concentrations in the air have been obtained. It allows to determine the average concentrations of gaseous and solid component emissions and takes into account diffusion processes in the air surface layer and the non-stationary transport flow. The mathematical model, solubility of pollutants in rainwater and their migration in soil is developed. On their basis, an algorithm for forecasting pollution of roadside ecosystems is proposed. The analysis of the peculiarities of the technogenic influence of highways of different categories on roadside ecosystems using the bioindicative methods is carried out. The complex scale of the estimation of the technogenic loading on roadside ecosystem is offered.