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The interest in air pollution modelling has shown substantial
growth over the last five years. This was particularly evident by
the increasing number of participants attending the NATO/CCMS
International Technical Meetings on Air Pollution modelling and its
Application. At the last meeting 118 papers and posters were
selected from an abundance of submitted abstracts divided over five
modelling topics: (i) model assessment and verification, including
policy applications, (ii) air pollution modelling in coastal areas
with emphasis on the mediterranean region, (iii) accidental
atmospheric releases, including warning systems and regulations,
(iv) modelling of global and long-range transport and (v) new
developments in turbulent diffusion. A round-table discussion
chaired by John Irwin (USA) and Jan Kretzschmar (Belgium) on the
harmonization of air pollution models was attended by more than 50
scientists and is reported in these proceedings. The opening paper
addressed the main issue of this conference: modelling over complex
terrain. Of particular interest were coastal areas where the
surface inhomogeneities introduce small-scale circulation and
varying atmospheric stability, often combined with a complex
topography. As the conference was located on the beautiful island
of Crete, problems faced by the host nation, particularly Athens
and its environs were obvious examples for consideration. These
together with other regions with similar geographical features were
addressed. Heavily populated and industrialized as they often are,
air quality is generally poor there and emission regulations are
desired. Obviously, a major task of air pollution dispersion
modelling is to assist policy makers in formulating sensible
regulations.
The interest in air pollution modelling has shown substantial
growth over the last five years. This was particularly evident by
the increasing number of participants attending the NATO/CCMS
International Technical Meetings on Air Pollution modelling and its
Application. At the last meeting 118 papers and posters were
selected from an abundance of submitted abstracts divided over five
modelling topics: (i) model assessment and verification, including
policy applications, (ii) air pollution modelling in coastal areas
with emphasis on the mediterranean region, (iii) accidental
atmospheric releases, including warning systems and regulations,
(iv) modelling of global and long-range transport and (v) new
developments in turbulent diffusion. A round-table discussion
chaired by John Irwin (USA) and Jan Kretzschmar (Belgium) on the
harmonization of air pollution models was attended by more than 50
scientists and is reported in these proceedings. The opening paper
addressed the main issue of this conference: modelling over complex
terrain. Of particular interest were coastal areas where the
surface inhomogeneities introduce small-scale circulation and
varying atmospheric stability, often combined with a complex
topography. As the conference was located on the beautiful island
of Crete, problems faced by the host nation, particularly Athens
and its environs were obvious examples for consideration. These
together with other regions with similar geographical features were
addressed. Heavily populated and industrialized as they often are,
air quality is generally poor there and emission regulations are
desired. Obviously, a major task of air pollution dispersion
modelling is to assist policy makers in formulating sensible
regulations.
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