Sound complexity as a strategy for livable and sustainable cities: The case of an urban waterfront

IF 1.7 Q2 ACOUSTICS Noise Mapping Pub Date : 2023-01-01 DOI:10.1515/noise-2022-0173
Aggelos Tsaligopoulos, Stella Sofia Kyvelou, Aimilia Karapostoli, Nicos Bobolos, Theodora Tsintzou, Demetris F. Lekkas, Yiannis G. Matsinos
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Abstract

Abstract Public spaces underwent a notable shift in their acoustic profile during the societal restrictions resulting from the COVID-19 pandemic. A silver lining emerged from this global crisis, with noticeable improvements in public acoustic environments due to reduced noise levels resulting from restricted mobility. This research focuses on the acoustic environment of Thessaloniki’s waterfront, a Mediterranean metropolis in Northern Greece. Waterfronts of Mediterranean coastal cities provide unique acoustic environments worthy of protection from environmental noise. By analyzing sound level measurements and recordings during the 2021 lockdown and comparing them to the post-lockdown period in 2022, we aimed to explore environmental noise and acoustic complexity indicators. The study’s findings revealed a significant increase in acoustic complexity during the lockdown, underscoring an inverse relationship between noise levels and acoustic complexity. Urban waterfronts, like Thessaloniki’s, hold great potential for enhancing acoustic complexity and subsequently improving the acoustic quality of public spaces while protecting them from environmental noise. This research sheds light on the possible use of sound complexity as an environmental quality standard that can be incorporated in sustainable urban planning and design.
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健全的复杂性作为宜居和可持续城市的战略:以城市滨水区为例
在2019冠状病毒病大流行造成的社会限制期间,公共空间的声学特征发生了显著变化。这场全球危机中出现了一线希望,由于交通受限,噪音水平降低,公共声学环境得到了显著改善。这项研究的重点是塞萨洛尼基海滨的声学环境,这是希腊北部的地中海大都市。地中海沿岸城市的海滨提供了独特的声学环境,值得保护免受环境噪声的影响。通过分析2021年封城期间的声级测量和记录,并将其与2022年封城后进行比较,探索环境噪声和声学复杂性指标。研究结果显示,在封锁期间,声学复杂性显著增加,强调了噪音水平与声学复杂性之间的反比关系。像塞萨洛尼基这样的城市滨水区,在增强声学复杂性和随后改善公共空间的声学质量方面具有巨大的潜力,同时保护它们免受环境噪声的影响。这项研究揭示了声音复杂性作为环境质量标准的可能性,可以纳入可持续城市规划和设计。
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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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