Overview
ABSTRACT
Atmospheric discharges of pollutants have considerable impact on the air that we breathe. For over more than a decade, the international community has demonstrated considerable concern for this issue and has even drafted treaties. After having briefly reviewed the regulatory context concerning atmospheric transfers of pollutants, this article focuses on the objectives and principles of the modeling of atmospheric dispersion. The major dispersion mechanisms are thus presented. The modeling tools of atmospheric transfers are reviewed: diagnostic and deterministic models.
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INTRODUCTION
The quality of the air we breathe every day is essential to a healthy lifestyle. This notion of air quality, and the associated phenomenon of atmospheric pollution, has been studied for a very long time. As early as the 4th and 5th centuries BC, Hippocrates stressed in his treatise on "Airs, Waters and Places" that anyone wishing to study medicine in depth must examine "which winds are hot and cold, especially those common to all countries, then those peculiar to each locality". In this way, Hippocrates set out to show that diseases, which seem to bear no resemblance to one another, have one and the same vector: the air we breathe.
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Modelling atmospheric transfers of pollutants
Issues and regulatory context
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