Models are also useful for
·Exploratory assessments in absence of measurements and for planning of
measurements and location of monitoring sites.
·Understanding the relationship between air quality and factors such as special
dispersion conditions and temporal and spatial emission variability.
·Relating air pollution to sources and sectors as input information assisting the
development of abatement strategies.
·Calculating pollution levels as a consequence of future emission scenarios.
A number of air pollution models have been developed for different spatial and
temporal levels of urban concentrations, and for the various applications mentioned
above. The models can be separated into four classes:
·models for air quality near streets and roads
·models for air quality near point sources
·integrated urban scale models, taking account of all source categories, and giving
concentrations in a grid net and in selected receptor points.
·population exposure models
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castellano: DISPER CUSTIC DESCAR RADIA italiano:
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castellano: DIS CUS DES RAD english: DIS CUS DES RAD
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