| 摘要: |
| 深入研究城市热岛的空间形态差异性对认识城市热岛效应和改善城市微气候具有重大意义。以广州市中心城区为例，运用地域圈层的空间类型识别热岛空间格局，以局地气候分区法（LCZ）为基础提取典型热岛街区进行数据分析，并从用地类型、地表覆盖、建设强度3方面总结空间形态特征。研究表明：研究区由中心向外围呈现出“内外双高”的波浪形热岛空间格局；提取出4种典型热岛街区，分别为高密度居住类、工业类、高密度服务类和设施农业类；建筑密度的两极化、工业用地占比高、不透水地表比例高和植被覆盖率低是造成研究区强热岛的主要原因。基于此提出具有可操作性的形态差异化调控策略，丰富城市热岛空间形态差异性研究成果，为中国湿热地区的城市生态规划建设提供借鉴。 |
| 关键词: 热岛效应 城市空间形态 城市生态规划 规划对策 局地气候分区法 |
| DOI：10.14085/j.fjyl.2021.05.0074.06 |
| 分类号:TU 984.11+1 |
| 基金项目:国家自然科学基金（编号 51778237）；广州市科技项目（编号 202002030261)；国家重点研发计划资助（编号 2020YFE0200300） |
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| Research on Spatial Patterns and Morphological Differentiation Control Strategy of Urban Heat Islands — A Case Study of Downtown Area of Guangzhou City |
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YOU Xiaojie, LI Qiong, MENG Qinglin
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South China University of Technology
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| Abstract: |
| The in-depth study of the spatial morphological differences of urban heat islands is of great significance to understand urban heat island effects and improve the urban microclimate. Taking the downtown area of Guangzhou as an example, this research identifies the spatial patterns of heat islands with the spatial types of the regional circles, and extracts typical heat island blocks based on the LCZ theory for data analysis. It summarizes the spatial morphological characteristics from the aspects of land use type, surface coverage and construction intensity. The results show that the study area presents a wavy heat island spatial pattern of “double heights inside and outside” from the center to the periphery. It extracts four typical heat island blocks, namely, high-density residences, industries, high-density services, and facility agriculture. The polarization of building density, high proportion of industrial land, high proportion of impervious surface and low vegetation coverage are the main reasons for the strong heat islands in the study area. Based on this, the research puts forward an operational morphological differentiation control strategy, which enriches the research results on the spatial morphology of urban heat islands, providing a reference for the urban ecological planning and construction in hot and humid regions of the country. |
| Key words: urban heat island spatial pattern differences in spatial form control strategy local climate zone |
| 引用本文: | 游晓婕,李琼,孟庆林.城市热岛空间格局及形态差异化调控策略研究——以广州市中心城区为例[J].风景园林，2021，28（5）：74-79. |
| YOU Xiaojie,LI Qiong,MENG Qinglin.Research on Spatial Patterns and Morphological Differentiation Control Strategy of Urban Heat Islands — A Case Study of Downtown Area of Guangzhou City[J].Landscape Architecture Journal, 2021, 28(5):74-79. |
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