A note on the acoustic environment in a usually quiet residential area after the ‘state of emergency’ declaration due to COVID-19 pandemic in Japan was lifted: supplementary survey results in post-emergency situations

IF 1.7 Q2 ACOUSTICS Noise Mapping Pub Date : 2020-01-01 DOI:10.1515/noise-2020-0016
K. Sakagami
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引用次数: 12

Abstract

Abstract In a preceding report (UCL Open: Environment, 2020;1;6), an example of results on changes in the acoustic environment from a local-scale survey in a quiet residential area during and after the ‘state of emergency’ due to COVID-19 pandemic in Japan is presented: the noise level was 1–2 dBA lower during the state of emergency, which is smaller than reported from large cities. This note presents the results of a follow-up survey in the same area to provide some more examples to gain an insight into the acoustic environment in this area. In this note, the measurement results of noise levels in June 2020, a few weeks after the cancellation of the state of emergency, are mainly reported. As the results are almost the same as those from during the state of emergency, we can infer that either the noise level was reduced in June to a level that was almost the same as that during the state of emergency, or the noise level after its cancellation in May was possibly higher than usual. In either case, the change in noise level was small, and it was difficult to conclude which case was true.
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日本新冠肺炎疫情导致的“紧急状态”宣布解除后,一个通常安静的住宅区的声环境说明:紧急情况后的补充调查结果
摘要在之前的一份报告(伦敦大学学院开放:环境,2020;1;6)中,介绍了在日本新冠肺炎大流行导致的“紧急状态”期间和之后,在一个安静的住宅区进行的当地规模调查的声环境变化结果示例:紧急状态期间,噪音水平低1-2 dBA,比大城市报告的噪音水平低。本说明介绍了同一地区的后续调查结果,以提供更多的例子来深入了解该地区的声学环境。在本说明中,主要报告了2020年6月,即紧急状态取消几周后的噪音水平测量结果。由于结果与紧急状态期间的结果几乎相同,我们可以推断,要么是6月份的噪音水平降低到与紧急状态时几乎相同的水平,要么是5月份取消后的噪音水平可能比平时更高。无论哪种情况,噪声水平的变化都很小,很难断定哪种情况是真的。
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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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