Against the backdrop of climate change,heat waves have become increasingly detrimental to cities,Urban morphology,a comprehensive reflection of material and non-material elements in the physical world,is closely relat...Against the backdrop of climate change,heat waves have become increasingly detrimental to cities,Urban morphology,a comprehensive reflection of material and non-material elements in the physical world,is closely related to environmental quality,thermal environment,population health,and other elements.From the perspective of urban morphological regions,this paper examines the characteristics of heat exposure,sensitivity,adaptability,and vulnerability ofthe main urban areas and its surrounding areas in Beijing,in combination with land surface temperature,air temper-ature,population characteristics,vegetation distribution,and other indicators.The results indicate that the built-up areas ofBejing are dominated by compact classes,making them most vulnerable to heat waves due to the unfavorable thermal environment,high population density,a large proportion of young and old people,and sparse vegetation cover.In contrast,the open low-rise class shows the highest adaptive capacity due to better economic condition of the population and high vegetation cover.This paper provides mitigation strategies from angles of morphology optimization and policy guidance,and suggests that the assessment and analysis ofheat vulnerability based on urban morphology can provide a reference for climate change-oriented planning and design,and promote urban high-quality development and sustainable construction.展开更多
基金supported by the National Natural Science Foundation of China under the project“Spatial Identification of Urban High Temperature Vulnerability and Urban Design Strategy Response with Multi-Source Data Integration”(No.51978363)by the 14^(th)Five-Year National Key Research and Development Program of China under the project“Theory and Methods of Urban Renewal Design”(No.2022YFC38003)M.Demuzere is supported by the ENLIGHT project,funded by the German Research Foundation(DFG)undergrant(No.437467569.)。
文摘Against the backdrop of climate change,heat waves have become increasingly detrimental to cities,Urban morphology,a comprehensive reflection of material and non-material elements in the physical world,is closely related to environmental quality,thermal environment,population health,and other elements.From the perspective of urban morphological regions,this paper examines the characteristics of heat exposure,sensitivity,adaptability,and vulnerability ofthe main urban areas and its surrounding areas in Beijing,in combination with land surface temperature,air temper-ature,population characteristics,vegetation distribution,and other indicators.The results indicate that the built-up areas ofBejing are dominated by compact classes,making them most vulnerable to heat waves due to the unfavorable thermal environment,high population density,a large proportion of young and old people,and sparse vegetation cover.In contrast,the open low-rise class shows the highest adaptive capacity due to better economic condition of the population and high vegetation cover.This paper provides mitigation strategies from angles of morphology optimization and policy guidance,and suggests that the assessment and analysis ofheat vulnerability based on urban morphology can provide a reference for climate change-oriented planning and design,and promote urban high-quality development and sustainable construction.
