Noise Source Predominance Map: a new representation for strategic noise maps

IF 1.7 Q2 ACOUSTICS

Noise Mapping Pub Date : 2022-01-01 DOI:10.1515/noise-2022-0163

G. Licitra, Matteo Bolognese, C. Chiari, Stefano Carpita, Luca Fredianelli

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引用次数: 9

Abstract

Abstract Environmental noise prevention starts from strategic noise maps of main transport infrastructures and agglomerations. Graduated colors are representative of the average noise levels produced in space by each individual source, or the by the overall sum. Among their purposes, communication of results to population has been the most neglected. The present paper proposes predominance maps for the first time in environmental acoustic (NSP). NSP are visualization tool showing the predominant source in each point by means of polygons and colors. Also Intensity Noise Source Predominance maps (I-NSP) are proposed, which add visualizations of noise exposure levels to NSP by coloring the polygons according to a color-scale. Both NSP and I-NSP are new visualization that would help understanding and assigning responsibilities for exceeding limits, but they also represent a valid support for locating the acoustic monitoring stations when required. As case studies, the maps are calculated in port areas, as they are large areas with a great variability of different types of noise sources and represent a smaller case than agglomeration, but with higher complexity.

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噪声源优势图:战略噪声图的新表现形式

环境噪声防治从主要交通基础设施和交通枢纽的战略性噪声图入手。渐变的颜色代表了每个单独的源在空间中产生的平均噪声水平，或者由总体总和产生的噪声水平。在其目的中，将结果传达给人口是最被忽视的。本文首次提出了环境声学(NSP)中的优势图。NSP是一种可视化工具，通过多边形和颜色显示每个点的主要来源。本文还提出了强度噪声源优势图(Intensity Noise Source dominance maps, I-NSP)，它通过根据颜色尺度对多边形进行着色，将噪声暴露水平的可视化添加到NSP中。NSP和I-NSP都是新的可视化，有助于理解和分配超过限制的责任，但它们也代表了在需要时定位声学监测站的有效支持。作为案例研究，这些地图是在港口地区计算的，因为它们是不同类型噪声源变化很大的大面积区域，代表的情况比集聚小，但具有更高的复杂性。

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

Noise Mapping ACOUSTICS-

CiteScore

7.80

自引率

17.90%

发文量

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.