Sanaz Fathi; Mohammadreza Monazam; Fateme Razaghi
Volume 12, Issue 2 , July 2014
Abstract
The purpose of this study is to measure and compare the noise pollution in some parts of region 5 and the southern part of region 6 of district 2 in Tehran, May 1390. The sound was measured in the studied areas by audiometer machine (model 2236 made Brvyl and Kjayr) in the three peak hours of traffic ...
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The purpose of this study is to measure and compare the noise pollution in some parts of region 5 and the southern part of region 6 of district 2 in Tehran, May 1390. The sound was measured in the studied areas by audiometer machine (model 2236 made Brvyl and Kjayr) in the three peak hours of traffic in each day. The data were introduced to GIS software to provide information on pollution levels and layers, the critical points and, etc. To study the various forms of pollution, noise, traffic awareness surveys and response to harassment of the residents mentally sound in both questionnaires were distributed among people over 18 years. The average of Equivalent Noise level (Leq) was 3.72 and 6.8 dB in the region 5 and 6.8, respectively. However, the lowest and highest of Leq was detected in the business and residential users, respectively.In both regions day sound pollution was highest than the day standard level of Iran and almost in the station of district 2 of region 6 the amount of sound parameter was registered higher than the 5، high levels of noise pollution was a serious problem emerged in both areas. Keywords: Peak traffic, Audiometer, GIS, Equivalent sound level, Questionnaire.
