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期刊杂志

    城市绿地与热岛效应关系研究回顾与展望

    关键词:风景园林;城市绿地;城市热岛效应;热岛强度;植被覆盖度;归一化植被指数

    Key words:landscape architecture; urban green space; urban heat island effect; heat island intensity; vegetation fraction; normalized vegetation index

    摘要:不仅城市绿地的植被数量对热岛效应产生影响,而且其绿地斑块的面积、形状及空间分布特征都会对热岛效应产生影响,为充分发挥城市绿地对热岛效应的缓解作用,需要对城市绿地与热岛效应的关系进行深入研究。结合研究成果,对城市绿地与热岛效应关系领域的研究成果作综述,包括:缓解城市热岛效应的措施研究;绿地对热岛影响的定量研究;植被数量与热岛关系、植被种类与热岛关系和绿地空间特征与热岛关系等的规律研究;并提出了该领域的一些问题和进一步研究的方向。

    Abstract:The urban heat island effect is influenced not only by urban green space's vegetation quantity but also by the area, shape and spatial pattern of green patches. To enhance the green space's function of reducing urban heat island (UHI) effect, it's necessary to research the relationship between urban green space and UHI thoroughly. Combined with the authors′ works, the latest achievements on the topic of relationship between urban green space and UHI were summarized from three aspects, including mitigation measures of UHI, quantitative studies of the reducing UHI effects with green space, studies on the relationship between green space's spatial characters, vegetation quantity, vegetation classes and UHI. The further research directions and problems are presented.