印度Vellore市噪声水平的评估、预测和制图

IF 1.7 Q2 ACOUSTICS
N. Manojkumar, K. Basha, B. Srimuruganandam
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引用次数: 27

摘要

摘要:本研究主要对印度泰米尔纳德邦Vellore市重要场所的噪声水平进行测量、预测和制图。录得六个地点(S1至S6)在平日及周末上午、下午及晚上的噪音水平。抽样地点包括教育(S1)、商业(S2和S4)、旅游和娱乐(S3)以及混合(S5和S6)区。在整个研究过程中,Vellore市的Leq水平最高的是S4和S5,最低的是S3。Leq水平最高的时段分别为工作日傍晚(57.52 ~ 78.41 dB(A))和周末下午(58.76 ~ 76.39 dB(A))。除了Leq,本研究还包括并讨论了噪声描述符。周末的TNI均值高于工作日。采用CoRTN模型预测L10值。结果表明,该模型具有良好的性能,L10实测值与预测值之间存在边际差异。进一步的噪声图分别在工作日和周末使用ArcGIS软件创建。噪音地图显示,采样地点附近的噪音水平令人震惊,建议立即采取预防措施,设置障碍物或提供替代交通路线。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Assessment, Prediction and Mapping of Noise Levels in Vellore City, India
Abstract Present study focuses on measurement, prediction and mapping of noise levels in important places of Vellore city located in Tamil Nadu state, India. Weekday and weekend noise levels at six locations (S1 to S6) are recorded during morning, afternoon and evening times. Sampling locations includes educational (S1), commercial (S2 and S4), tourist and recreational (S3), and mixed (S5 and S6) zones. Assessment in Vellore city showed maximum Leq level in S4 and S5 and lowest is recorded in S3 throughout the study. Highest Leq levels are recorded in evening (57.52–78.41 dB(A)) and afternoon (58.76–76.39 dB(A)) time during weekday and weekend, respectively. Along with Leq, noise descriptors are also included and discussed in this study. Weekend has higher mean value of TNI thanWeekday. CoRTN model is employed to predict the L10 values. Results showed good performance of model with marginal difference between measured and predicted L10 levels. Further noise maps are created separately for weekday and weekend using ArcGIS software. Noise maps showed alarming noise levels near sampling sites and it is suggested to take immediate preventive measures using barriers or by providing alternative traffic routes.
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来源期刊
Noise Mapping
Noise Mapping ACOUSTICS-
CiteScore
7.80
自引率
17.90%
发文量
5
审稿时长
12 weeks
期刊介绍: Ever since its inception, Noise Mapping has been offering fast and comprehensive peer-review, while featuring prominent researchers among its Advisory Board. As a result, the journal is set to acquire a growing reputation as the main publication in the field of noise mapping, thus leading to a significant Impact Factor. The journal aims to promote and disseminate knowledge on noise mapping through the publication of high quality peer-reviewed papers focusing on the following aspects: noise mapping and noise action plans: case studies; models and algorithms for source characterization and outdoor sound propagation: proposals, applications, comparisons, round robin tests; local, national and international policies and good practices for noise mapping, planning, management and control; evaluation of noise mitigation actions; evaluation of environmental noise exposure; actions and communications to increase public awareness of environmental noise issues; outdoor soundscape studies and mapping; classification, evaluation and preservation of quiet areas.
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