Scholarlink

<p>In the context of global warming, the urban heat island (UHI) effect has emerged as a critical challenge impacting urban livability. While previous studies have explored various drivers of UHI, few have systematically examined the role of the built environment as an integrated system. This study proposes a novel framework to evaluate the effects of the built environment elements on UHI across three dimensions: land use, building form, and road networks. Using regulatory planning units as the spatial basis, 30 built environment indicators were selected and assessed through 15 combination scenarios. The results show that building-related factors exert the most significant influence on UHI. Notably, the sky view factor demonstrated a stronger effect on UHI compared to building density and floor area ratio. In the land use dimension, the presence of water bodies and green spaces plays a key role in mitigating urban temperatures. In contrast, indicators related to road networks and activity- and distance-based factors show comparatively weaker effects. Moreover, the relative importance of these indicators varied across different scenarios, highlighting the need to consider multi-dimensional and context-sensitive UHI mitigation strategies. These findings offer valuable guidance for urban planners and policymakers aiming to enhance urban heat resilience.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

How does built environment affect the urban heat Island effect? a systematic framework integrating land use, building form, and road network

  • 期刊论文

  • 发表日期：

    2025年6月11日

查看全文
  • Chaohui Yin,
  • Jinlong Yan,
  • Man Yuan,
  • Guohang Tian,
  • Qian Wen,
  • Ling Wang,
  • Ling Li

摘要

In the context of global warming, the urban heat island (UHI) effect has emerged as a critical challenge impacting urban livability. While previous studies have explored various drivers of UHI, few have systematically examined the role of the built environment as an integrated system. This study proposes a novel framework to evaluate the effects of the built environment elements on UHI across three dimensions: land use, building form, and road networks. Using regulatory planning units as the spatial basis, 30 built environment indicators were selected and assessed through 15 combination scenarios. The results show that building-related factors exert the most significant influence on UHI. Notably, the sky view factor demonstrated a stronger effect on UHI compared to building density and floor area ratio. In the land use dimension, the presence of water bodies and green spaces plays a key role in mitigating urban temperatures. In contrast, indicators related to road networks and activity- and distance-based factors show comparatively weaker effects. Moreover, the relative importance of these indicators varied across different scenarios, highlighting the need to consider multi-dimensional and context-sensitive UHI mitigation strategies. These findings offer valuable guidance for urban planners and policymakers aiming to enhance urban heat resilience.