Seasonal and Diurnal Variations in the Relationships between Urban Form and the Urban Heat Island Effect
At the city scale, the diurnal and seasonal variations in the relationship between urban form and the urban heat island effect remains poorly understood. To address this deficiency, we conducted an empirical study based on data from 150 cities in the Jing-Jin-Ji region of China from 2000 to 2015. Th...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-11-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/13/22/5909 |
| _version_ | 1797548037021630464 |
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| author | Ze Liang Yueyao Wang Jiao Huang Feili Wei Shuyao Wu Jiashu Shen Fuyue Sun Shuangcheng Li |
| author_facet | Ze Liang Yueyao Wang Jiao Huang Feili Wei Shuyao Wu Jiashu Shen Fuyue Sun Shuangcheng Li |
| author_sort | Ze Liang |
| collection | DOAJ |
| description | At the city scale, the diurnal and seasonal variations in the relationship between urban form and the urban heat island effect remains poorly understood. To address this deficiency, we conducted an empirical study based on data from 150 cities in the Jing-Jin-Ji region of China from 2000 to 2015. The results derived from multiple regression models show that the effects of urban geometric complexity, elongation, and vegetation on urban heat island effect differ among different seasons and between day and night. The impacts of urban geometric factors and population density in summer, particularly those during the daytime, are significantly larger than those in winter. The influence of urban area and night light intensity is greater in winter than in summer and is greater during the day than at night. The effect of NDVI is greater in summer during the daytime. Urban vegetation is the factor with the greatest relative contribution during the daytime, and urban size is the dominant factor at night. Urban geometry is the secondary dominant factor in summer, although its contribution in winter is small. The relative contribution of urban geometry shows an upward trend at a decadal time scale, while that of vegetation decreases correspondingly. The results provide a valuable reference for top-level sustainable urban planning. |
| first_indexed | 2024-03-10T14:53:44Z |
| format | Article |
| id | doaj.art-3bc705562c6d44e099ed0150f7bf51bd |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-10T14:53:44Z |
| publishDate | 2020-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-3bc705562c6d44e099ed0150f7bf51bd2023-11-20T20:46:26ZengMDPI AGEnergies1996-10732020-11-011322590910.3390/en13225909Seasonal and Diurnal Variations in the Relationships between Urban Form and the Urban Heat Island EffectZe Liang0Yueyao Wang1Jiao Huang2Feili Wei3Shuyao Wu4Jiashu Shen5Fuyue Sun6Shuangcheng Li7College of Urban and Environmental Sciences, Peking University, Beijing 100871, ChinaCollege of Urban and Environmental Sciences, Peking University, Beijing 100871, ChinaCollege of Urban and Environmental Sciences, Peking University, Beijing 100871, ChinaCollege of Urban and Environmental Sciences, Peking University, Beijing 100871, ChinaCollege of Urban and Environmental Sciences, Peking University, Beijing 100871, ChinaCollege of Urban and Environmental Sciences, Peking University, Beijing 100871, ChinaCollege of Urban and Environmental Sciences, Peking University, Beijing 100871, ChinaCollege of Urban and Environmental Sciences, Peking University, Beijing 100871, ChinaAt the city scale, the diurnal and seasonal variations in the relationship between urban form and the urban heat island effect remains poorly understood. To address this deficiency, we conducted an empirical study based on data from 150 cities in the Jing-Jin-Ji region of China from 2000 to 2015. The results derived from multiple regression models show that the effects of urban geometric complexity, elongation, and vegetation on urban heat island effect differ among different seasons and between day and night. The impacts of urban geometric factors and population density in summer, particularly those during the daytime, are significantly larger than those in winter. The influence of urban area and night light intensity is greater in winter than in summer and is greater during the day than at night. The effect of NDVI is greater in summer during the daytime. Urban vegetation is the factor with the greatest relative contribution during the daytime, and urban size is the dominant factor at night. Urban geometry is the secondary dominant factor in summer, although its contribution in winter is small. The relative contribution of urban geometry shows an upward trend at a decadal time scale, while that of vegetation decreases correspondingly. The results provide a valuable reference for top-level sustainable urban planning.https://www.mdpi.com/1996-1073/13/22/5909urban heat islandurban formseasonal and diurnal variationsridge regressionfactor contributionchange trend |
| spellingShingle | Ze Liang Yueyao Wang Jiao Huang Feili Wei Shuyao Wu Jiashu Shen Fuyue Sun Shuangcheng Li Seasonal and Diurnal Variations in the Relationships between Urban Form and the Urban Heat Island Effect Energies urban heat island urban form seasonal and diurnal variations ridge regression factor contribution change trend |
| title | Seasonal and Diurnal Variations in the Relationships between Urban Form and the Urban Heat Island Effect |
| title_full | Seasonal and Diurnal Variations in the Relationships between Urban Form and the Urban Heat Island Effect |
| title_fullStr | Seasonal and Diurnal Variations in the Relationships between Urban Form and the Urban Heat Island Effect |
| title_full_unstemmed | Seasonal and Diurnal Variations in the Relationships between Urban Form and the Urban Heat Island Effect |
| title_short | Seasonal and Diurnal Variations in the Relationships between Urban Form and the Urban Heat Island Effect |
| title_sort | seasonal and diurnal variations in the relationships between urban form and the urban heat island effect |
| topic | urban heat island urban form seasonal and diurnal variations ridge regression factor contribution change trend |
| url | https://www.mdpi.com/1996-1073/13/22/5909 |
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