城市公园绿地植被群落郁闭度与三维绿量对夏季降温增湿效应的影响

编号 lyqk011411

中文标题 城市公园绿地植被群落郁闭度与三维绿量对夏季降温增湿效应的影响

作者 徐欣  张兴  高飞  符文君  杨芷毓  刘勇 

作者单位 苏州科技大学建筑与城市规划学院 苏州 215000

期刊名称 中国城市林业 

年份 2024 

卷号 22

期号 2

栏目名称 专题1:城市绿地热缓解 

中文摘要 为充分利用城市公园绿地的降温增湿效应缓解城市热岛,文章基于苏州市典型城市公园绿地植被群落样方的实测,分析植被群落郁闭度和三维绿量等结构指标对夏季降温增湿效应的影响,得到植被群落结构配置的最优阈值。研究表明:不同群落结构的降温效应为乔-草型>乔-灌型或乔-灌-草型>灌-草型>草地型,增湿效应为乔-草型>乔-灌-草>乔-灌型>灌-草型>草地型;郁闭度和三维绿量对降温增湿效应均有明显影响,但郁闭度影响高于三维绿量。建议优先选择乔-草型绿地并合理控制植被群落的郁闭度和三维绿量在一定区间内,即郁闭度为0.4~0.77,三维绿量大于9 m³·m^-2。

关键词 城市公园绿地  降温增湿  郁闭度  三维绿量 

基金项目 国家自然科学基金青年基金(52008280);黑龙江省科学院双提雁阵项目(STYZ2022ZR01);“十四五”江苏省重点学科建设项目资助(风景园林学)(082240006/002/003);国家自然科学基金青年基金项目(52008280);国家自然科学基金青年项目(52308029);苏州市风景园林学会科研与科普专委会产

英文标题 Influence of Canopy Density and Tridimensional Green Biomass on Cooling and Humidification Effect of Vegetation Communities at Urban Green Spaces in Summer

作者英文名 Xu Xin, Zhang Xing, Gao Fei, Fu Wenjun, Yang Zhiyu, Liu Yong

单位英文名 School of Architecture and Urban Planning, Suzhou University of Science and Technology, Suzhou 215000, China

英文摘要 In order to fully utilize the cooling and humidification effect of urban green space to mitigate the heat island effect in cities, the study selects and measures 20 sample plots from the typical vegetation communities in Suzhou's urban park green spaces to analyze the influence of structure indexes of vegetation community, such as canopy density and tridimensional green biomass, on the cooling and humidification effect of the communities in summer, and obtains the optimal threshold value of structure configuration of vegetation community. The results show that the cooling effect of different vegetation community structures could be ranked as the arbor-herb community> the arbor- shrub community or the arbor-shrub-herb multilayer community > the shrub-herb community > the herb community. The humidification effect is ranked as the arbor-herb community > the arbor-shrub-herb multilayer community> the arbor-herb community > the shrub-herb community > the herb community. Both the canopy density and the tridimensional green biomass have obvious effects on the cooling and humidification effect of green spaces, but the canopy density has significantly higher influence than the tridimensional green biomass. In this sense, it is suggested that the green space of arbor-herb community with a canopy density of 0.4-0.77 and a tridimensional green biomass ≥ 9 m³·m^-2 could be prioritized for the greatest cooling and humidification effect.

英文关键词 urban green space;cooling and humidification effect;canopy density;tridimensional green biomass

起始页码 10

截止页码 16

投稿时间 2023/7/24

作者简介 徐欣(1999-),女,硕士生,研究方向为地域生态环境与景观规划。E-mail:1550680671@qq.com

通讯作者介绍 张兴(1968-),男,博士,教授,研究方向为地域生态环境与景观规划。E-mail:1006598747@qq.com

E-mail 1006598747@qq.com

DOI 10.12169/zgcsy.2023.07.24.0003

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