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Iranian Journal of Public Health، جلد ۴۱، شماره ۱، صفحات ۱۰۷-۱۱۳
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کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Level Changes of Traffic Noise in Kerman City, Southeast Iran
چکیده انگلیسی مقاله Background: The purpose of this research was to determine the traffic noise level and changes in the Kerman City, southeast Iran in recent years. Methods: This cross-sectional study was carried out in 2008 to investigate the existing noise situation in Kerman. Sound levels (L Max , L Min , L eq , L 99 , L 90 , L 50 and L 10 ) were determined throughout 13 stations using sound level measurement system (model, CEL-440). Number of passing vehicles was also assessed at the sampled stations. Results: Sound level in all sampled stations was higher than Iran and World Health Organization guidelines. Comparison of L eq in different hours using statistical tests showed significant difference between different hours with 95 % confidence coefficient ( P =0.01). Comparison of L eq throughout the week also showed that there was a significant difference ( P =0.001) between Friday and workday. The comparison of L eq with the number of passing vehicles using Pearson correlation statistical test showed significant difference between the number of heavy vehicles passed and the level of L eq ( P =0.001). It also showed that number of heavy vehicles caused the most noise levels. Conclusion: The results of this study compared to a similar study conducted in 1999 showed an increasingly high noise level. Noise level increased from 1999 to 2008 by 3.89 % which is indicative of an increase in noise emission sources.
کلیدواژه‌های انگلیسی مقاله Noise level, Traffic, Iran
نویسندگان مقاله دکتر محمد | m malakootian
environmental health research center and dept. of environmental health engineering, school of publi


مهدی احمدیان | m ahmadian
social development amp;amp; health promotion research center, kermanshah university of medical sciences, ke

سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمانشاه (Kermanshah university of medical sciences)

k یغماییان | k yaghmaeian
dept. of environmental health engineering, tehran university of medical sciences, tehran, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

sh دولتشاهی | sh dowlatshahi
environmental health research center and dept. of environmental health engineering, school of publi


mr قطبی راوندی | mr ghotbi ravandi
dept. of occupational health, kerman university of medical sciences, kerman, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمان (Kerman university of medical sciences)

نشانی اینترنتی http://ijph.tums.ac.ir/index.php/ijph/article/view/2640
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Articles
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