Influence Of Building-downwash Effect On
Urban Traffic Pollution
Author(s)
G. Latini, G. Passerini & S. Tascini
Abstract
Building-downwash has recently captured the attention of environmental
researchers since it may represent an undervalued danger in urban environments.
Especially in certain meteorological conditions, buildings act as barriers
triggering pollutant accumulation that will then increase concentration values.
One of the main fostering conditions is the source altitude with respect to
buildings while main roads represent important linear sources below building
levels.
In this work we highlight the influence of the building-downwash effect on
pollution dispersion in an urban environment. In order to do this, we have run
several simulations by the Aermod model coupled with the BPIP sub-model for
building down-wash boundary conditions.
The simulation area is an important street in the centre of Ancona, Italy. The
period we
Keywords
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