The influence of the spatial characteristics of urban green space on the urban heat island effect in Suzhou Industrial Park

作者：Xiang Dong Xiao, Li Dong, Hainan Yan, Nan Yang, Yimei Xiong · 发表于：Sustainable Cities and Society · 年份：2018 · DOI：10.1016/j.scs.2018.04.002 · 被引用次数：297 · 研究领域：Urban Heat Island Mitigation、Urban Green Space and Health、Land Use and Ecosystem Services

Urban green spaces can mitigate urban warming problems to some extent. However, the cooling effect of plants differs spatially and temporally, and with plant features. To understand how plants affect urban surface and air temperature, 15 urban green spaces in Suzhou Industrial Park were selected to study the diurnal variation of summer air temperature. At the same time, the mitigation effect of different types of green spaces on the urban heat island (UHI) effect was investigated and further research was undertaken on the effect of green space area, perimeter area ratio, green space average canopy density, average leaf area index (LAI), and other factors influencing the cooling effect. Based on these studies, three representative parks were selected as samples to investigate the cooling effect of urban green space in terms of the water and wind environment. It was found that in the summer, large green spaces had a stable cooling and humidifying effect, while small green spaces had the opposite effect. The cooling and humidifying effect of large green spaces was more obvious and stable, and the cooling effect of small green spaces was more variable, with a heat preservation phenomenon occurring in some cases. The cooling effect of each green area was positively correlated with the green area, the average LAI of green space, and the average canopy density of green space. The cooling effect of each green area was significantly negatively correlated with the green area perimeter....