期刊名称:Indus Journal of Management & Social Sciences
印刷版ISSN:1992-8319
电子版ISSN:2075-6844
出版年度:2011
卷号:5
期号:2
页码:100-105
出版社:Indus Institute of Higher Education
摘要:Purpose: The main aim of this study is to investigate the noise level due to road traffic with reference to Gulshan-e-Iqbal town; Karachi. Introduction: Noise is a disturbance to the human environment that is escalating at such high rate that it will become a major threat to the quality of human lives. Literature review:Literature review revealed that in the past thirty years in all areas of the world of Pakistan and especially in the urban areas, pollution has been increasing rapidly. This increase is due to socio-economic status of urban population along with inadequacies of public transport has encouraged personalized means of transport in the mega city of Karachi. The craze for owning vehicles in the mega cities has led to considerable noise pollution especially in big cities of the country. Methods:To measure the intensity of pollution of Karachi two intersections the Gulshan-e-Iqbal crossing and NIPA crossing of Gulshan-e-Iqbal town were focal point of our study as these two intersection point of Rashid Minhas are road main links to other part of the city. For noise intensity dB meter at EPA distance, standard (for noise level) 75 m were used. conclusion:Noise intensity was measured between 3.0 pm to 5.0 pm by dB meters at EPA distance standard (for noise level) 75 m. Noise pollution up to 105 decibels has been registered in the Area of investigation as compare to the permissible limits of noise 70 decibels required to protect health and welfare
关键词:Noise pollution; Gulshan e Iqbal; Karachi; Environment