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Landscape Characteristics Influencing the Spatiotemporal Dynamics of Soundscapes in Urban Forests

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autorschaft

  • Zhu Chen
  • Tian Yuan Zhu
  • Xuan Guo
  • Jiang Liu

Organisationseinheiten

Externe Organisationen

  • Fuzhou University
  • Fujian Key Laboratory of Digital Technology for Territorial Space Analysis and Simulation

Details

OriginalspracheEnglisch
Aufsatznummer2171
Seitenumfang20
FachzeitschriftFORESTS
Jahrgang15
Ausgabenummer12
PublikationsstatusVeröffentlicht - 9 Dez. 2024

Abstract

The acoustic environment of urban forests is indispensable for urban residents’ nature-based recreation opportunities and experience of green spaces, and the perceptual and physical sound features in time and space serve as determinants during this process. However, their spatiotemporal variation mechanisms and influential landscape characteristics are still underexplored in urban forests. Thus, this study aims to explore the spatiotemporal variability of perceptual and physical sound features and their relationship with landscape characteristics in urban forests. For this purpose, we measured perceptual sound features using the indicators of the sound harmonious degree (SHD) and soundscape pleasantness and eventfulness. The physical acoustic features were determined using sound-level parameters for measuring the sound level intensity (LAeq, L10, L90) and fluctuation (L10–90). Perceptual and physical sound data collection was based on on-site questionnaire surveys and acoustic instrument measurements, respectively. The landscape characteristics were classified using the principal components of four main categories, including the terrain, area proportion of land cover types, distance to land cover types, and landscape patterns. The results showcase that significant spatiotemporal variation was found in most perceptual and physical sound features, whereas soundscape pleasantness and eventfulness did not vary significantly across time. In general, the variabilities of both perceptual and physical sound features were affected more by the types of spatial functions than by diurnal patterns. Human activities that generate sounds (e.g., hawking, playing, and exercise) may be the key drivers for spatiotemporal changes in physical acoustic features. The components of landscape patterns, including landscape structural diversity and shape complexity persistently, affected specific sound features in all periods. However, no landscape component had persistent cross-spatial influences on the sound features. This study offers critical insights into the spatiotemporal patterns of the acoustic environment and its relationship with landscape characteristics in urban forests. The findings underscore the practical importance and implications of integrating acoustic considerations into urban forest management. By providing a scientific foundation, these results can usefully inform dynamic resource management, functional zoning optimization, and sustainable landscape development in urban forests.

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Landscape Characteristics Influencing the Spatiotemporal Dynamics of Soundscapes in Urban Forests. / Chen, Zhu; Zhu, Tian Yuan; Guo, Xuan et al.
in: FORESTS, Jahrgang 15, Nr. 12, 2171, 09.12.2024.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Chen Z, Zhu TY, Guo X, Liu J. Landscape Characteristics Influencing the Spatiotemporal Dynamics of Soundscapes in Urban Forests. FORESTS. 2024 Dez 9;15(12):2171. doi: 10.3390/f15122171
Chen, Zhu ; Zhu, Tian Yuan ; Guo, Xuan et al. / Landscape Characteristics Influencing the Spatiotemporal Dynamics of Soundscapes in Urban Forests. in: FORESTS. 2024 ; Jahrgang 15, Nr. 12.
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title = "Landscape Characteristics Influencing the Spatiotemporal Dynamics of Soundscapes in Urban Forests",
abstract = "The acoustic environment of urban forests is indispensable for urban residents{\textquoteright} nature-based recreation opportunities and experience of green spaces, and the perceptual and physical sound features in time and space serve as determinants during this process. However, their spatiotemporal variation mechanisms and influential landscape characteristics are still underexplored in urban forests. Thus, this study aims to explore the spatiotemporal variability of perceptual and physical sound features and their relationship with landscape characteristics in urban forests. For this purpose, we measured perceptual sound features using the indicators of the sound harmonious degree (SHD) and soundscape pleasantness and eventfulness. The physical acoustic features were determined using sound-level parameters for measuring the sound level intensity (LAeq, L10, L90) and fluctuation (L10–90). Perceptual and physical sound data collection was based on on-site questionnaire surveys and acoustic instrument measurements, respectively. The landscape characteristics were classified using the principal components of four main categories, including the terrain, area proportion of land cover types, distance to land cover types, and landscape patterns. The results showcase that significant spatiotemporal variation was found in most perceptual and physical sound features, whereas soundscape pleasantness and eventfulness did not vary significantly across time. In general, the variabilities of both perceptual and physical sound features were affected more by the types of spatial functions than by diurnal patterns. Human activities that generate sounds (e.g., hawking, playing, and exercise) may be the key drivers for spatiotemporal changes in physical acoustic features. The components of landscape patterns, including landscape structural diversity and shape complexity persistently, affected specific sound features in all periods. However, no landscape component had persistent cross-spatial influences on the sound features. This study offers critical insights into the spatiotemporal patterns of the acoustic environment and its relationship with landscape characteristics in urban forests. The findings underscore the practical importance and implications of integrating acoustic considerations into urban forest management. By providing a scientific foundation, these results can usefully inform dynamic resource management, functional zoning optimization, and sustainable landscape development in urban forests.",
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AU - Chen, Zhu

AU - Zhu, Tian Yuan

AU - Guo, Xuan

AU - Liu, Jiang

N1 - Publisher Copyright: © 2024 by the authors.

PY - 2024/12/9

Y1 - 2024/12/9

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