Volume & Issue no: Volume 5, Issue 3, May - June 2016
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Title: |
A Case Study And Analysis Of Noise Pollution For Chennai Using GIS |
Author Name: |
T.Subramani, S.Sounder |
Abstract: |
Abstract
Noise pollution of urban areas is one of serious factors that
the local agencies and state authorities have to consider in
decision making processes. The spatial analysis and
geostaticstical methods of GIS can play an important role to
control noise pollution. GIS provide framework to integrate
noise calculation models with spatial data that can be used for
building noise maps. Noise maps can be used to assess
and monitor the influence of noise effects. Noise maps within
GIS have been developed in most of the European Countries.
European Commission has approved the Directive called
‘Environmental Noise Directive 2002/49/EC’ for noise
mapping. Most of the noise maps that are available today and
also that suggested by EU are in two dimensional (2D) in
which noise effect is presented in x,y plane. 2D noise maps are
built with the noise levels of one particular height. In the
reality, noise travels in all direction. Residents living in high
rise buildings are also severely affected by traffic noise. It is
therefore important to develop 3D noise maps that can show
influence of noise in all direction. This research work
developed a methodology to build 3D noise models to
analyze the three dimensional effect of noise pollution within
a GIS. A case study was illustrated using a 3D city model for
Chennai city. This involved building simple 3D city model,
generation of 3D observation points (that represent the
virtual microphones) and noise calculation using standard
noise calculation models. The noise has calculated from 6 to
11 am in city limits of locations as Parry’scorner,
mathuravolyal etc. Fictitious data was used to calculate the
noise levels of study area. Appropriate Spatial interpolation
methods were used to develop noise surface. The results
showed that the quality and accuracy of noise models can be
improved with high density of observation points. The
observation points selected in straight line with evenly spacing
showed good visualization of acoustic situation. All the data’s
has implemented with gis and concluded.
Keywords: Case Study, Analysis, Noise Pollution, GIS |
Cite this article: |
T.Subramani, S.Sounder , "
A Case Study And Analysis Of Noise Pollution For Chennai Using GIS" , International Journal of Emerging Trends & Technology in Computer Science (IJETTCS) ,
Volume 5, Issue 3, May - June 2016 , pp.
125-134 , ISSN 2278-6856.
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