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    景观下垫面对夏季微气候的影响及优化策略研究——以河北省隆尧县为例

    关键词:风景园林;京津冀;小城镇;景观下垫面;夏季;微气候;风景园林规划设计

    Key words:landscape architecture; Beijing-Tianjin-Hebei; small town; landscape underlying surface; summer; micro-climate; landscape planning and design

    摘要:城市化快速发展带来城区下垫面类型与格局的改变,进而影响着城市环境健康与微气候,这在中国夏季高温干燥的京津冀地区尤为突出。研究以河北省隆尧县为例,基于CFD软件对城区景观不同下垫面对夏季微气候的影响开展数值模拟研究。结果表明:景观下垫面的类型、布局方案及绿地率等因素都对夏季微气候产生影响。在此基础上,研究提出在景观下垫面类型选择、布局方式与绿量方面的设计优化策略,以期对城市设计与景观规划设计提供支撑。

    Abstract:The rapid development of urbanization has brought about the change of the types and patterns of the underlying surface in urban areas, and thus affects the health of theurban environment and the micro-climate, which is particularly prominent in hot dry summer in Beijing-Tianjin-Hebei region. Taking Longyao County of Hebei Province as an example, this paper used the CFD software to simulate the effects of summer micro-climate on different types of underlying surfaces. The results showed: the types of the underlying surface, the layout scheme and the greening ratio had effect on the summer micro-climate. On the basis of this, the paper put forward the optimization strategies of the types selection, layout and green ratio of the design of the underlying surface in order to assist the urban and landscape design.

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