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<p>Against the background of global warming, heat risk has become a major threat to public health.&#xa0;However, existing studies focus on urban heat risk mitigation strategies, overlooking safety in cultural landscapes, unlike residential or industrial zones, their high recreation density and prolonged outdoor exposure create unique heat-related health risks. Therefore, this study takes the area around Dianchi Lake as the case study area. Based on the "source-resistance surface-corridor" framework, it regards green spaces and other cool areas as cool sources, and thermal environment resistance and recreational resistance as resistance surfaces. Employing the minimum cumulative resistance (MCR) model and circuit theory, it generates safety corridors connecting the cool sources, constructs a cultural landscape recreational safety pattern (CLRSP) for mitigating urban heat risks, and proposes optimization strategies. MCR model and circuit theory, it identifies potential corridors and generates a safety network. The study shows that there are 33 important source sites, 4 corridors, 11 nodes, and 13 strategic points in CLRSP. The CLRSP is based on high and medium importance recreation sources as the core cooling area, and several key corridors to provide a connectivity network for the cultural landscape. The cultural landscape nodes and strategic nodes are also used as microclimate regulation to jointly mitigate the heat risk of the cultural landscape open space. Conclusively, optimization strategies are formulated based on recreational sources, resistance surfaces, corridors, nodes, and strategic points, offering insights for cultural landscape conservation and development aimed at mitigating urban heat risks.</p>

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Optimization strategies for cultural landscape recreational safety patterns to mitigate urban heat risks

  • 期刊论文

  • 发表日期：

    2025年12月10日

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  • Y. Mao,
  • H. Han,
  • X. Meng,
  • Y. Wan

摘要

Against the background of global warming, heat risk has become a major threat to public health. However, existing studies focus on urban heat risk mitigation strategies, overlooking safety in cultural landscapes, unlike residential or industrial zones, their high recreation density and prolonged outdoor exposure create unique heat-related health risks. Therefore, this study takes the area around Dianchi Lake as the case study area. Based on the "source-resistance surface-corridor" framework, it regards green spaces and other cool areas as cool sources, and thermal environment resistance and recreational resistance as resistance surfaces. Employing the minimum cumulative resistance (MCR) model and circuit theory, it generates safety corridors connecting the cool sources, constructs a cultural landscape recreational safety pattern (CLRSP) for mitigating urban heat risks, and proposes optimization strategies. MCR model and circuit theory, it identifies potential corridors and generates a safety network. The study shows that there are 33 important source sites, 4 corridors, 11 nodes, and 13 strategic points in CLRSP. The CLRSP is based on high and medium importance recreation sources as the core cooling area, and several key corridors to provide a connectivity network for the cultural landscape. The cultural landscape nodes and strategic nodes are also used as microclimate regulation to jointly mitigate the heat risk of the cultural landscape open space. Conclusively, optimization strategies are formulated based on recreational sources, resistance surfaces, corridors, nodes, and strategic points, offering insights for cultural landscape conservation and development aimed at mitigating urban heat risks.