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In the last few decades, numerical models that describe the atmospheric circulation and dispersion at various scales have gained increasing consideration not only in the research environment but also in the field of regulatory application. The increasing attention to model use is connected to an improved sophistication of modelling tools for the various atmospheric scales and an increased possibility of exploitation in the field of air quality and atmospheric process study:

The development of an atmospheric model proceeds along a series of steps that can be briefly summarised as:
-Definition of the atmospheric scale and atmospheric processes of interest;
-Identification of the fundamental equations and scale analysis;
-Translation of the mathematical formulation into numerical coding;
-Parameterisation of sub-grid processes or/and other processes not described by the fundamental equations;
-Definition of a case study in terms of boundary and initial conditions.

Additional information

Authors: GALMARINI S, European Commission, Joint Research Centre, Institute for Environment and Sustainability, Ispra (IIT)
Bibliographic Reference: An oral paper given at: Air Pollution Processes in Regional Scale - NATO Advanced Research Workshop Organised by: Aristotle University of Thessaloniki Held at: Kallithea, Halkidiki (GR), 13-15 June 2002
Availability: The results of the workshop will be published as a book in "NATO Science Series" by Kluwer Academic Publishers.
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