A STUDY ON VEHICLE INDUCED NOISE POLLUTION USING GIS IN DHAKA CITY
DOI:
https://doi.org/10.47981/j.mijst.02(01)2010.74(%25p)Keywords:
Aggregate; crushed stone; aggregate-cement bond; crushing methodAbstract
In this study, overall roadside environment of selected locations in Dhaka city has been focused concentrating on
degradation of the environment through noise. For the study of noise pollution, noise level was measured at some
severely exposed as well as sensitive locations of the city. It is inferred that average level of noise at roadside exceeds
the allowable limit to a great extent at all the locations and sensitive locations like hospital, school, mosque etc. The
deviation from standard limit was found high. The collected data were analyzed by GIS symbological analysis &
plotting several graphs and comparisons were made with acceptable level of noise provided by Department of
Environment (DOE), Bangladesh (ECR, 1997). Comparison showed that noise pollution at all the locations is higher
than the acceptable limit. Several measures were proposed to reduce the level of noise pollution in the city as well as
stabilizing the existing condition which include enhancing mass consciousness, construction of noise barriers and
implementation of proper monitoring system to reduce traffic noise.
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