Determination Of The Diffusion Coefficients By
Inversion Of Measured Concentrations Of Air
Pollutants
Author(s)
O.V. Nagornov, E.S. Sokolov, N.E. Quaranta, M.G. Caligaris &
R.E. Caligaris
Abstract
The eddy diffusion coefficients are important parameters of the mathematical
models for study of air pollution in atmosphere. These coefficients depend on
many factors. Therefore, the interpretation of direct measurements of the
diffusivities is very difficult and not unique. The goal of this study is to develop
the method of indirect determination of the diffusivity by the solution of the
inverse problem. Two methods for minimisation of the discrepancy-functional
were applied. They are the generalised method of Newton and the stochastic
approximation method. The stochastic approximation method provides the
convergence of the iteration process in wide ra
Keywords
Related Book
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