DETERMINATION OF NOISE POLLUTION FROM MOTOR VEHICLES IN IRAN: A CROSS-SECTIONAL STUDY IN 2014

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Dehdashti Alireza; KHOSRAVI PARISA; ZADEHABBAS BESHARAT

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Journal: Koomesh Year:2017 | Volume:19 | Issue:3 (67) Page(s): 626-633

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Title

DETERMINATION OF NOISE POLLUTION FROM MOTOR VEHICLES IN IRAN: A CROSS-SECTIONAL STUDY IN 2014

Author(s)

Dehdashti Alireza | KHOSRAVI PARISA | ZADEHABBAS BESHARAT | Issue Writer Certificate

Keywords

PRESSURE LEVELQ2

MOTOR VEHICLESQ2

NOISEQ1

TRANSPORTATION NOISEQ1

Abstract

Introduction: NOISE has become a concern for both public and policy makers. This study assessed NOISE levels produced by various MOTOR VEHICLES routinely used in Iran.Materials and Methods: The study design was cross-sectional, which was done in 2014 (Iran). The samples consist of 346 MOTOR VEHICLES categorized as motorcycles, passenger cars, buses and heavy duty vehicles. Relatively, NOISE propagated from MOTOR VEHICLES was measured by a sound level meter with octave band analyzer. Sound PRESSURE LEVELs within octave band frequency surrounding the MOTOR VEHICLES were determined in static position.Results: The average sound PRESSURE LEVELs for buses, heavy duty vehicles and motorcycles measured 83 dB (A), 83 dB (A) and 82 dB (A) respectively, were exceeded recommended environmental criteria. Buses had the highest sound PRESSURE LEVELs followed by trucks, motorcycles and passenger cars. Analysis of variance indicated a significant difference between the two groups of MOTOR VEHICLES used for less than five years and more than five years (p<0.05). We found that old MOTOR VEHICLES emitted high levels of NOISE at conversational frequencies. Sound PRESSURE LEVELs for all MOTOR VEHICLES were increased at higher frequencies of octave band level.Conclusion: The determination of NOISE pollution from various MOTOR VEHICLES should be considered in health researches. Using newer transportation sources can abate traffic NOISE pollution.

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References

THE IMPACT OF VOICE PROBLEMS ON EMOTIONS, JOB PERFORMANCE, SOCIAL AND COMMUNICATIVE ABILITIES OF PRIMARY SCHOOL TEACHERS

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APA: Copy

Dehdashti, Alireza, KHOSRAVI, PARISA, & ZADEHABBAS, BESHARAT. (2017). DETERMINATION OF NOISE POLLUTION FROM MOTOR VEHICLES IN IRAN: A CROSS-SECTIONAL STUDY IN 2014. KOOMESH, 19(3 (67)), 626-633. SID. https://sid.ir/paper/37061/en

Vancouver: Copy

Dehdashti Alireza, KHOSRAVI PARISA, ZADEHABBAS BESHARAT. DETERMINATION OF NOISE POLLUTION FROM MOTOR VEHICLES IN IRAN: A CROSS-SECTIONAL STUDY IN 2014. KOOMESH[Internet]. 2017;19(3 (67)):626-633. Available from: https://sid.ir/paper/37061/en

IEEE: Copy

Alireza Dehdashti, PARISA KHOSRAVI, and BESHARAT ZADEHABBAS, “DETERMINATION OF NOISE POLLUTION FROM MOTOR VEHICLES IN IRAN: A CROSS-SECTIONAL STUDY IN 2014,” KOOMESH, vol. 19, no. 3 (67), pp. 626–633, 2017, [Online]. Available: https://sid.ir/paper/37061/en

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