Air Quality Street Level Simulations By Using An
Integrated Mesoscale Air Quality Modelling
System (MM5-CMAQ-EMIMO)
And A CFD Model (MIMO): Madrid Case Study
Author(s)
R. San José, J. L. Pérez & R. M. González
Abstract
The advances in the capability of Computational Fluid Dynamics models and Air
Quality Modelling Systems during the last decade have been quite substantial.
The increase in computer capabilities and in the knowledge of turbulence
parameterization and numerical schemes has also been very significant during
the last ten years. On the other hand, there is a considerable public interest in
information relating to the \“real” pollution they are exposed to when they are
walking in the street, going to work or even during the period they are driving a
car from/to work or other daily activities. At street level the differences in the
concentration values at both sides of a street can be important, particularly, for
instance, in relation to photochemical production during the summer time in
Mediterranean regions. In this contribution we have used the CFD model MIMO
(U. of Karlsruhe (Germany)) and the mesoscale air quality modelling system
MM5-CMAQ-EMIMO (NCEP / EPA / Technical University of Madrid) to
simulate the impact of different emission reduction scenarios in the downtown
area of Madrid City. These complex systems could evaluate the impact of several
urban strategic emission reduction measures such as reduction of private traffic,
increase of public transportation, impact on the introduction of new fuel cell
vehicles, etc. Also, they could be used for the analysis of pollution
concentrations at different heights (buildings) and in different areas of urban
neighbourhoods.
Keywords
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