Validation of large scale noise exposure modelling by long-term measurements

IF 1.7 Q2 ACOUSTICS

Noise Mapping Pub Date : 2017-12-22 DOI:10.1515/noise-2017-0006

Felix Schlatter, A. Piquerez, Manuel Habermacher, M. Ragettli, M. Röösli, M. Brink, C. Cajochen, Nicole Probst-Hensch, M. Foraster, J. Wunderli

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引用次数: 17

Abstract

Abstract Large scale noise exposure modelling is used in epidemiological research projects as well as for noise mapping and strategic action planning. Such calculations should always be accompanied by an assessment of uncertainty, on the one hand to check for systematic deviations and on the other hand to investigate the sources of uncertainty to address them in future studies. Within the SiRENE (Short and Long Term Effects of Transportation Noise Exposure) project, a large scale nationwide assessment of Switzerland’s road, railway, and aircraft noise exposure was conducted for the year 2011. In the present follow-up study, we equipped 180 sleeping and/or living room windows with sound level meters for one week. The resulting dataset was used to validate noise exposure modelling within SiRENE. For the noise metric LDEN the comparison revealed a difference of 1.6 ± 5 dB(A) when taking all measurements into account. After removing measurement sites with noise mitigation measures not considered in the modelling, the difference to the calculation was reduced to 0.5 ± 4 dB(A). As major sources of uncertainty, the position accuracy and topicality of infrastructure and building geometries, the traffic modelling as well as the acoustic source and propagation models were identified.

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通过长期测量验证大规模噪声暴露模型

摘要大规模噪声暴露模型用于流行病学研究项目以及噪声测绘和战略行动规划。此类计算应始终伴随着对不确定性的评估，一方面检查系统偏差，另一方面调查不确定性的来源，以在未来的研究中解决这些问题。在SiRENE（运输噪声暴露的短期和长期影响）项目中，2011年对瑞士的公路、铁路和飞机噪声暴露进行了大规模的全国性评估。在目前的随访研究中，我们为180个睡眠和/或客厅窗户配备了声级计，为期一周。所得数据集用于验证SiRENE中的噪声暴露建模。对于噪声度量LDEN，在考虑所有测量值的情况下，比较显示差异为1.6±5 dB（a）。在移除建模中未考虑噪声缓解措施的测量点后，与计算的差异降至0.5±4 dB（A）。作为不确定性的主要来源，基础设施和建筑几何形状的位置精度和局部性、交通建模以及声源和传播模型都被确定。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Noise Mapping ACOUSTICS-

CiteScore

7.80

自引率

17.90%

发文量

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.