里约热内卢de Janeiro在COVID-19大流行期间的噪声制图

IF 1.7 Q2 ACOUSTICS Noise Mapping Pub Date : 2021-01-01 DOI:10.1515/noise-2021-0012
Nayara Gevú, B. Carvalho, Guilherme C. Fagerlande, M. Niemeyer, Marina Medeiros Cortês, J. Torres
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引用次数: 18

摘要

摘要本文对新冠肺炎大流行之前和期间里约热内卢市中心的声学场景进行了比较。经历了近代史上最重要的流行病之一,社会隔离为里约热内卢带来了一个新的声学场景。这项研究是在市中心进行的,这是一个具有历史、经济和文化意义的地区。比较包括分析测量数据和为市中心地区制作的噪音图。这些地图是根据测量和收集的各个时间段的数据创建的。根据之前的测量和数据收集重建了疫情前的声学场景,而疫情场景是在2020年7月最高社会隔离指数期间通过数据调查构建的。对比分析显示,在交通噪音不强烈且街道上人类活动占主导地位的地区,噪音显著降低,在10至15分贝之间。然而,主要街道周围的噪音并没有显著下降。这是由于疫情期间交通强度下降到50%,这意味着噪音降低了3到5分贝。
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Rio de Janeiro noise mapping during the COVID-19 pandemic period
Abstract This paper presents a comparison between the acoustic scenario at the Rio de Janeiro city center, before and during the COVID-19 pandemic. Undergoing one of the most important pandemics of the recent history, the social isolation led to a new acoustic scenario for Rio de Janeiro. The study was realized at the city center, an area of historical, economic and cultural relevance. The comparison consisted of analyzing measured data and noise maps produced for the city center area. The maps were created according to measured and collected data of the respective time periods. The acoustic scenario prior to the pandemic time was reconstructed based on previous measurements and data collection, while the pandemic one was built with data survey during the highest social isolation index on July 2020. The comparative analysis showed a considerable noise reduction, between 10 and 15 dB, for areas where the traffic noise was not intense and where the human activities were predominant on the streets. However, there was no substantial noise decrease for the areas around the major avenues. This occurred due to the traffic intensity drop to 50% during the pandemic, which meant a noise reduction between 3 and 5 dB.
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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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