Influence of State of Alarm Caused by COVID-19 on Noise in the City Centre of Huelva (Spain)

IF 0.6 4区物理与天体物理 Q4 ACOUSTICS Archives of Acoustics Pub Date : 2023-07-20 DOI:10.24425/aoa.2022.141657

J. C. Fortes, R. Sánchez-Sánchez, J. Bolívar

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Abstract

At the beginning of the COVID-19 pandemic the government of Spain decreed the State of Alarm to confine the entire population at their homes, except for essential services. Therefore, the central objective of this study is to evaluate the implication of this situation for the environmental noise existing in the city of Huelva (Spain). This study demonstrates that during the state of alarm an average daily reduction of 3.4 dBA was noted, and in the central moments of the day these reductions reached up to 4.4 dBA, while from 10:00 to 12:00 pm the reduction was around 6.5 dBA. Nevertheless, there were two moments of day: 3:00 am (garbage collection, street cleaning and container disinfection), and 8:00 pm (daily applause for health professionals), when the noise during the pandemic was higher than before it. It is further shown that globally, the loudest events only decreased by about 3 dBA, while the global background noise decreased by 10 dBA during the alarm state. Regarding road traffic noise, it is verified that in addition to being reduced by about 4 dBA, traffic represents 6.7% of noisy events during the alarm state, while before it represented 13%.

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新冠肺炎疫情对西班牙韦尔瓦市中心噪声的影响

在2019冠状病毒病大流行开始时，西班牙政府下令进入紧急状态，将所有人口限制在家中，但基本服务除外。因此，本研究的中心目标是评估这种情况对西班牙韦尔瓦市存在的环境噪声的影响。这项研究表明，在警报状态期间，平均每天减少3.4 dBA，在一天的中心时刻，这些减少达到4.4 dBA，而从晚上10点到12点，减少约6.5 dBA。然而，一天中有两个时刻:凌晨3点(垃圾收集、街道清洁和容器消毒)和晚上8点(每天为卫生专业人员鼓掌)，大流行期间的噪音比之前更大。进一步表明，在警报状态下，全局最大事件仅降低了约3 dBA，而全局背景噪声降低了10 dBA。对于道路交通噪声，经过验证，除了减少约4 dBA之外，交通在警报状态期间占噪声事件的6.7%，而在此之前占13%。

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

Archives of Acoustics 物理-声学

CiteScore

1.80

自引率

11.10%

发文量

审稿时长

6-12 weeks

期刊介绍： Archives of Acoustics, the peer-reviewed quarterly journal publishes original research papers from all areas of acoustics like: acoustical measurements and instrumentation, acoustics of musics, acousto-optics, architectural, building and environmental acoustics, bioacoustics, electroacoustics, linear and nonlinear acoustics, noise and vibration, physical and chemical effects of sound, physiological acoustics, psychoacoustics, quantum acoustics, speech processing and communication systems, speech production and perception, transducers, ultrasonics, underwater acoustics.

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