Lockdown during COVID-19 pandemic: impact on road traffic noise and on the perception of sound environment in France

IF 1.7 Q2 ACOUSTICS Noise Mapping Pub Date : 2020-01-01 DOI:10.1515/noise-2020-0024
Patricio Muñoz, Bruno Vincent, C. Domergue, Vincent Gissinger, S. Guillot, Yann Halbwachs, Valérie Janillon
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引用次数: 15

Abstract

Abstract Acoucité¹, centre of expertise in environmental acoustics and observatory of the sound environment, has investigated the changes in sound environment and its perception during the French lockdown period. The approach adopted is multidimensional, since it combines long-term acoustic measurements, large area noise mapping, as well as the study of sound perception self-reported by population sample through an on-line structured questionnaire. Data from 21 continuous sound monitoring stations² were analysed for the entire lockdown period in five conurbations in the south of France and compared to typical values in the “normal” situation (before lockdown) in order to quantify the reduction in terms of sound levels. Reductions from 4 dB to 6 dB (Lden) were observed for monitoring stations with highly dominant road noise. These results were used to obtain new Strategic Noise Maps for road noise (corresponding to the lockdown situation) for the conurbations of Lyon and Grenoble. The impact of such reductions in terms of noise exposure of their inhabitants was thus assessed. An estimation of the impact on health effects in comparison with the “normal” situation (Strategic Noise Maps “Round 3 CE-DE-2002”) was also carried out. This estimation considers a scenario where the above level reductions (4 to 6 dB) would take place in the long-term. An on-line perception questionnaire was available during the lockdown period with the aim of gathering information on the way that the changes in sound environment were perceived by people all over France and ended up with more than 3000 respondents. This paper reports the main findings of the study in terms of acoustics and sound perception.
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新冠肺炎大流行期间的封锁:对法国道路交通噪音和声音环境感知的影响
摘要Acoucitécco是环境声学和声环境观测专业中心,研究了法国封锁期间声环境及其感知的变化。所采用的方法是多层面的,因为它结合了长期声学测量、大面积噪声映射以及人口样本通过在线结构化问卷自我报告的声音感知研究。在法国南部五个大都市的整个封锁期间,分析了来自21个连续声音监测站²的数据,并将其与“正常”情况下(封锁前)的典型值进行了比较,以量化声音水平的下降。在道路噪声占主导地位的监测站,观测到噪声从4dB降低到6dB(Lden)。这些结果被用于获得里昂和格勒诺布尔大都市道路噪声的新战略噪声图(对应于封锁情况)。因此,评估了这些减少对居民噪声暴露的影响。还对与“正常”情况相比对健康影响的影响进行了估计(战略噪音图“第三轮CE-DE-2002”)。该估计考虑了一种情况,即上述水平的降低(4至6dB)将在长期内发生。在封锁期间,我们提供了一份在线感知问卷,目的是收集法国各地人们对声音环境变化的感知信息,最终有3000多名受访者。本文报告了这项研究在声学和声音感知方面的主要发现。
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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.
期刊最新文献
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