Applied and Natural Science Foundation
Its publication:
Journal of Applied and Natural Science
An International Journal | Print ISSN: 0974-9411 | Online ISSN: 2231-5209
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Journal of Applied and Natural Science 2(2):200-206(2010)
Day time variations in noise levels at major crossings of Jammu City, India
Raj Kumar Rampal * , Sumit Kotwal and Ranbir Singh Jasrotia
Department of Environmental Sciences, University of Jammu, Jammu (J&K), INDIA
*Corresponding author. E-mail:
Abstract : The present study has been carried to assess Equivalent noise level (Leq ), Noise climate (NC), Traffic noise index (TNI)andDay Time Average Noise level from7.00 A.M. to 9.00 P.M (Ld ) at eleven major crossings of Jammu City. The Leq and Ld values at all the sites were observed to be above permissible limits prescribed by CPCB. The calculated values of Ld at all the sites were observed to be statistically significant at 0.05 (5%) level of significance (p=0.000-0.004).

Keywords : Noise pollution, Traffic noise, Major crossings, (Ld ) Day time average noise level,(TNI) Traffic noise index
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