Urban indices as environmental noise indicators

被引：20
作者：
Lucas de Souza, Lea Cristina [1 ]
Giunta, Mariene Benutti [1 ]
机构：
[1] Univ Fed Sao Carlos, Ctr Exact Sci & Technol, Dept Civil Engn, BR-13560 Sao Carlos, SP, Brazil
来源：
COMPUTERS ENVIRONMENT AND URBAN SYSTEMS | 2011年 / 35卷 / 05期
基金：
巴西圣保罗研究基金会;
关键词：
Environmental noise; Urban acoustics; Urban indices; ANN; CITY;
D O I：
10.1016/j.compenvurbsys.2011.06.001
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The objective of this paper is to analyze the noise levels of an urban area by treating them as a function of several features resulting from block shapes and urban indices in a residential neighborhood of a medium sized Brazilian city. Inside this area a sample of 40 reference points was chosen for data collection and their noise levels were measured. The influence of urban indices on the sound ambience of streets is modeled with Artificial Neural Networks. The results show the relative importance of several variables on the output. In order of decreasing impact, the ANN models estimate that 'traffic volume' is at first place, followed by the 'Floor Space Index (FSI)', subsequently by the 'block shape' and at last by the 'building area/lot area ratio'. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：421 / 430
页数：10
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