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In this work it’s derived a mathematical model to describe the meandering contaminants dispersion in the planetary boundary layer.  The model employs a heuristic functional form for the velocity autocorrelation function which describes the negatives lobes observed in meandering data. Furthermore, the model is derived from the linearization of the Langevin equation. The mathematical equations, that represent the longitudinal and lateral wind components describe the bi-dimensional pattern of the meandering flow and can be utilized to calculate the contaminant concentrations occurring in situations in which the meandering phenomenon plays a decisive role.

DESENVOLVIMENTO DE UM MODELO MATEMÁTICO PARA DESCREVER A DISPERSÃO DE CONTAMINANTES EM SITUAÇÕES DE MEANDRO DO VENTO HORIZONTAL