A Study Of The Influence Of The Vegetation On
The Climatic Conditions In
An Urban Environment
Author(s)
S. Grignaffini & A. Vallati
Abstract
This work concerns the study of the variations of the climatic parameters in an
urban area bordering a green area. The problem of the great urbanization of the
territory led to the registration of high temperatures in the cities during the
summer. Such a phenomenon, called a \“heat island”, is caused by the
employment of those materials used for the urbanization of the territory, which
have different responses to the solar radiation that influence the naked soil or on
a soil with vegetation. Actually, the presence of a green area in a territory
strongly urbanized changes its environmental parameters and those of a
bordering zone. In particular, it is possible to record the variation of air and soil
temperature and the variation of the wind speed and direction.
It has been studied in a typical urban context, in which a green area is
surrounded by an urbanized area consisting of buildings, car parks and totally
asphalted streets. Then the effect of different types of vegetation on the urban
area climate was evaluated, with the help of numerical analysis, and, moreover,
the influence area of a specific green area on the bordering urban context has
been studied. The computational model employed is the software ENVI-MET,
which successfully reproduces the interaction among urban surfaces, the
vegetation and the atmosphere.
The outcomes achieved help to understand how a green area modifies a city
climate, making an area climatically more benign both from the point of view of
city inhabitants and also from the energetic point of view.
Keywords: vegetation, climatic condition, environment.
Keywords
vegetation, climatic condition, environment.
Related Book
Other papers in this volume
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