Evaluation of traffic noise pollution in a central area of Tehran through noise mapping in GIS (original) (raw)

2012, Advances in Environmental Biology

Although development in transportation system in economic-social fields is considered very useful for societies but nowadays noise pollution is known as one of the main environmental problems while it is the most important sources of pollution in crowded urban districts. Exposing with high noise level in capital cities may be resulted in disorder in daily activities in work place, school, and home because of reducing hearing, social behavior disorders, disorder in sleep, and cardiovascular diseases during a long time. The purpose of the study is going to analyze spatial characteristics of traffic noise in the urban district through measuring sound at 41 stations with residential, medical, educational, commercial-residential, and commercial uses in area 3 of district 6 of Tehran. Parameters including SPL, Lmin, Lmax, Leqav were measured during three intervals ranged from 7-9 am (peak traffic hours), 11-13 (non-peak traffic hours) and 57 pm (peak traffic hours) in fall,2010. Desired l...

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