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Research on Optimal Cooling Landscape Combination and Configuration Based on Local Climate Zones—Fuzhou, China

Author

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  • Yuanbin Cai

    (College of Environment & Safety Engineering, Fuzhou University, Fuzhou 350108, China
    These authors contributed to this work equally.)

  • Chen Gao

    (College of Environment & Safety Engineering, Fuzhou University, Fuzhou 350108, China
    These authors contributed to this work equally.)

  • Wenbin Pan

    (College of Environment & Safety Engineering, Fuzhou University, Fuzhou 350108, China)

  • Yanhong Chen

    (Key Laboratory of Humid Subtropical Eco-Geographical Process of Ministry of Education, Fujian Normal University, Fuzhou 350007, China
    Department of Environmental and Resources Engineering, Fuzhou University Zhicheng College, Fuzhou 350002, China)

  • Zijing Wu

    (College of Environment & Safety Engineering, Fuzhou University, Fuzhou 350108, China)

Abstract

The deterioration of the urban thermal environment has seriously affected the quality of life of urban residents, and studying the optimal cooling landscape combination and configuration based on local climate zones (LCZs) is crucial for mitigating the thermal environment. In this study, the LCZ system was combined to analyze the spatial and temporal changes to the thermal environment in the central area of Fuzhou, and the 159 blocks in the core area were selected to derive the optimal LCZ combination and configuration. The conclusions are as follows: (1) From 2013 to 2021, the building layout of the study area became more open and the building height gradually increased. The high-temperature areas were mainly clustered in the core area; (2) The LSTs for low-rise buildings (LCZ 3 (41.67 °C), LCZ 7 (40.10 °C), LCZ 8 (42.61 °C), and LCZ 10 (41.85 °C)) were higher than the LSTs for high-rise buildings (LCZ 1 (38.58 °C) and LCZ 4 (38.50 °C)); (3) The thermal contribution index for low building types was higher for dense buildings (LCZ 3 (0.4331), LCZ 8 (0.3149), and LCZ 10 (0.2325)) than for open buildings (LCZ 6 (0.0247) and LCZ 9 (0.0317)); (4) Blocks with an average LST of 36 °C had the most cost-effective cooling, and the combination and configuration of LCZs within such blocks were optimal. Our results can be used to better guide urban planners in managing LCZ combinations and configurations within blocks (the smallest planning unit) at an earlier phase of thermal environment design, and for appropriately adapting existing block layouts, providing a new perspective on urban thermal environment research with important implications for climate-friendly city and neighborhood planning.

Suggested Citation

  • Yuanbin Cai & Chen Gao & Wenbin Pan & Yanhong Chen & Zijing Wu, 2024. "Research on Optimal Cooling Landscape Combination and Configuration Based on Local Climate Zones—Fuzhou, China," Sustainability, MDPI, vol. 16(6), pages 1-19, March.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:6:p:2367-:d:1356100
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    References listed on IDEAS

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    1. Gabriele Manoli & Simone Fatichi & Markus Schläpfer & Kailiang Yu & Thomas W. Crowther & Naika Meili & Paolo Burlando & Gabriel G. Katul & Elie Bou-Zeid, 2019. "Magnitude of urban heat islands largely explained by climate and population," Nature, Nature, vol. 573(7772), pages 55-60, September.
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