The creation of multi-level urban ecological cooling network to alleviate the urban heat island effect

Li, Yingying; Wang, Shumei; Zhang, Shujun; Wei, Min; Chen, Yongsheng; Huang, Xiaoyi; Zhou, Rui

doi:10.1016/j.scs.2024.105786

Sustainable Cities and Society

2024

DOI: 10.1016/j.scs.2024.105786

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The creation of multi-level urban ecological cooling network to alleviate the urban heat island effect

Yingying Li,

Shumei Wang,

Shujun Zhang

et al.

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Cited by 2 publications

References 68 publications

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Spatiotemporal characteristics and robustness analysis of the thermal network in Beijing, China

Cao,

Feng,

et al. 2025

Sustainable Cities and Society

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Spatiotemporal characteristics and robustness analysis of the thermal network in Beijing, China

Cao,

Feng,

et al. 2025

Sustainable Cities and Society

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The Scale-Dependent Differences in Cooling Efficiency of UGS in Different Functional Areas: A Case Study of Xi’an, China

Yan,

Wu,

Xuan

et al. 2024

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Urban green spaces (UGS) play a critical role in mitigating the urban heat island (UHI) effect and addressing climate change challenges through their cooling effects. Expanding green space and optimizing its layout are key strategies in urban planning. However, with limited land resources, maximizing cooling efficiency becomes crucial. While previous studies have yet to reach a consensus on the optimal UGS size threshold for achieving maximum cooling efficiency, this study employs high-resolution remote sensing imagery to extract 25,594 UGS patches in Xi’an and explores the scale dependency of UGS cooling effects. Results show that 54.20% of the patches exhibit a “cooling island effect”, reducing surface temperatures by 0.10 ± 0.13 °C to 1.66 ± 1.15 °C. A nonlinear relationship was observed between cooling intensity and UGS size, influenced by vegetation coverage and edge complexity. Further analysis reveals that medium-sized UGS have the highest cooling efficiency. These UGS were categorized into five functional zones to explore the dominant factors affecting cooling efficiency in each zone, and corresponding strategies for improvement were proposed. These findings provide insights into optimizing UGS layout and refining the cooling efficiency thresholds.

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The creation of multi-level urban ecological cooling network to alleviate the urban heat island effect

Cited by 2 publications

References 68 publications

Spatiotemporal characteristics and robustness analysis of the thermal network in Beijing, China

Spatiotemporal characteristics and robustness analysis of the thermal network in Beijing, China

The Scale-Dependent Differences in Cooling Efficiency of UGS in Different Functional Areas: A Case Study of Xi’an, China

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