Environment Conservation Journal · 2008 · 13 citations · 4 references
Natural SciencesEnvironmental EngineeringEnvironmental SciencesAir PollutionAir Pollution ControlEnvironmental HealthAir QualityEnvironmental AcousticsEnvironmental Noise AssessmentNoiseNoise MeasurementNoise PollutionAmbient Noise MeasurementBackground Noise LevelsIndustrial NoiseNight-time Noise AssessmentNoise AssessmentUrban NoiseUrban Noise AssessmentUrban Noise Pollution
Noise level was studied in four different categories of area in Haridwar and Dehradun city viz. residential, commercial, silent and industrial zones. Study was carried out at 32 locations with sound level meter to asses day and night time noise levels of Haridwar and Dehradun. However, noise level in all the areas were found to be above the ambient noise standards level. In residential areas of Haridwar and Dehradun the noise ranged between 77. 40±4. 52 to 89.90±8.87 dB (A) and 70. 70±8. 55 to 92.30±10. 41 dB (A), respectively, while in commercial areas of Haridwar and Dehradun the noise ranged between 80.20±10.61 to 96.60±10.23 dB (A) and 80.90±6.63 to 89.10±9.81 dB (A), respectively.
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Noise pollution levels in Visakhapatnam City (India).
Vidya Sagar T, Nageswara Rao G · PubMed · 2006 · 52 citations