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Abstract:
With the rapid advancement of urbanization, the proliferation of noise sources has significantly contributed to the deterioration of the urban acoustic environment. Understanding the relationship between urban planning and acoustic quality has thus become an urgent priority. The study investigates this relationship by utilizing indicators related to urban construction, land use, and socio-economic factors. It employs multivariate statistical methods and supervised learning algorithms-including Genetic Algorithm-Back Propagation (GA-BP) neural networks, Support Vector Regression (SVR), Least Squares Support Vector Machine (LSSVM), and Extreme Learning Machine (ELM)-to conduct regression-based predictions and assess the potential impacts of urban development on acoustic environment quality. Findings showed that: (1) Due to the significant spatial heterogeneity in noise indicators across different cities, optimizing the urban acoustic environment requires precise, city-specific strategies to ensure efficient resource allocation and maximize the effectiveness of environmental management. (2) Eleven urban construction indicators-including road traffic infrastructure, land use types, industrial land, built-up areas, residential zones, and commercial service land-show a positive correlation with environmental noise. Road traffic noise is positively associated with the extent of built-up areas, residential land, green coverage within built-up zones, and bare land. (3) Stepwise regression analysis reveals divergent effects of population density: it negatively correlates with road traffic noise but positively correlates with regional environmental noise. (4) Among the four supervised learning algorithms, LSSVM demonstrated the best predictive performance for road traffic noise, achieving the lowest MAE (0.2728) and RMSE (0.3186), indicating superior accuracy and minimal prediction error. This study offers theoretical insights into the management of urban acoustic environments and provides practical recommendations for improving urban planning and mitigating noise pollution.
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Source :
ENVIRONMENT DEVELOPMENT AND SUSTAINABILITY
ISSN: 1387-585X
Year: 2025
4 . 7 0 0
JCR@2023
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 6
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