基于Landsat-8遥感影像的扬州市城市公园夏季温湿效应

编号 lyqk011238

中文标题 基于Landsat-8遥感影像的扬州市城市公园夏季温湿效应

作者 周寅桥  邵明  李雄 

作者单位 北京林业大学园林学院 北京 100083

期刊名称 中国城市林业 

年份 2023 

卷号 21

期号 5

栏目名称 研究论文 

中文摘要 基于GEE平台Landsat-8 OLI遥感影像，采用改进的辐射传输方程法，反演扬州市区33个城市公园的地表温度、湿度数据，分析公园空间构成指标与温湿效应的量化关系，以期为同类地区城市公园的规划设计提供理论与数据支撑。结果表明：1）降温增湿幅度与公园面积、周长呈显著对数正相关，与形状指数呈显著对数负相关。2）城市公园降温增湿效率存在阈值，其中对应的面积阈值分别为18~20 hm²与9~10 hm²，对应的周长阈值分别为2.90~3.00 km与1.90~2.00 km；面积相近、公园形状越接近圆形，降温增湿效率越大。3）公园温湿效应与其内部绿地、水体面积呈显著对数正相关，与不透水面面积呈显著对数负相关。4）公园温湿效应影响的距离与公园规模呈显著非线性正相关，公园外240~270 m范围，温湿度变化明显；270 m以外，趋于稳定。

关键词 城市公园  温湿效应  热岛效应  遥感影像  扬州市 

基金项目 国家重点研发计划、乡村生态景观营造模式（编号2019YFD1100402）

英文标题 Summer Temperature-Humidity Effects of Urban Parks in Yangzhou City in Summer Based on Landsat-8 Remote Sensing Images

作者英文名 Zhou Yinqiao, Shao Ming, Li Xiong

单位英文名 School of Landscape Architecture, Beijing Forestry University, Beijing 100083, China

英文摘要 Based on Landsat-8 OLI remote sensing images on the GEE platform, an improved Radiative Transfer Equation method is used to invert surface temperature and humidity data of 33 urban parks in Yangzhou city, and the quantitative relationship between park spatial composition indicators and temperature-humidity effects is analyzed, in order to provide theoretical and data support for the planning and design of urban parks in similar regions. The results show:1) The amplitude of cooling and humidification is significantly positively correlated with the park area and perimeter, and significantly negatively correlated with the shape index; 2) There are thresholds for the cooling and humidifying efficiency of urban parks. The corresponding area thresholds are 18-20 hm² and 9-10 hm², respectively, while the corresponding perimeter thresholds are 2.90-3.00 km and 1.90-2.00 km, respectively. The closer the area is and the more similar the parks are to a circular shape, the greater the cooling and humidifying efficiency is; 3) The temperature-humidity effect of parks is significantly positively correlated with its internal green spaces and water area, and negatively correlated with the impervious water surface area; and 4) The distance affected by the temperature-humidity effect of parks is significantly non-linearly and positively correlated with the park size. Within a range of 240-270 m outside the park, there are significant changes in temperature and humidity, while beyond 270 m, the temperature and the humidity tend to stabilize.

英文关键词 urban park;temperature-humidity effect;heat-island effect;remote sensing image;Yangzhou City

起始页码 114

截止页码 123

投稿时间 2023/3/27

作者简介 周寅桥(1998-),男,硕士生,研究方向:风景园林规划设计与景观生态理论。E-mail:2978105837@qq.com

通讯作者介绍 李雄(1964-),男,教授,博导。研究方向:风景园林设计与景观生态规划。E-mail:lixiong@bjfu.edu.cn

E-mail lixiong@bjfu.edu.cn

DOI 10.12169/zgcsly.2023.03.27.0005

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