Spatial patterns of greenspace cool islands and their relationship to cooling effectiveness in the tropical city of Chiang Mai, Thailand
Urban greenspaces provide evaporative cooling, which can help effectively mitigate the urban heat island (UHI) to achieve a sustainable urban climate. This study examines the cooling effects of greenspace patterns on urban cool islands (UCIs) at the patch level in an urban environment. The effects o...
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| Veröffentlicht in: | Environmental monitoring and assessment 2019-09, Vol.191 (9), p.580-580, Article 580 |
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| creator | Srivanit, Manat Iamtrakul, Pawinee |
| description | Urban greenspaces provide evaporative cooling, which can help effectively mitigate the urban heat island (UHI) to achieve a sustainable urban climate. This study examines the cooling effects of greenspace patterns on urban cool islands (UCIs) at the patch level in an urban environment. The effects of 1155 patches of greenspace cool islands (GCIs) on UCIs of the Chiang Mai metropolitan area in Thailand were identified from a satellite image, and the relationships between them were analyzed through correlation and regression analyses. The results indicate that (1) spatial patterns of GCIs have significant effects on their cooling potential, while urban areas with more green patch coverage encounter stronger cooling effects; also, (2) our correlation analysis of three fundamental and widely recognized classes of landscape metrics (area, shape, and core of GCIs with temperature change) shows that the most important metric of effective cooling is the core area. These findings can help planners understand greenspaces established in urban areas and plan urban greenspace to mitigate UHI effects. |
| doi_str_mv | 10.1007/s10661-019-7749-9 |
| format | Article |
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This study examines the cooling effects of greenspace patterns on urban cool islands (UCIs) at the patch level in an urban environment. The effects of 1155 patches of greenspace cool islands (GCIs) on UCIs of the Chiang Mai metropolitan area in Thailand were identified from a satellite image, and the relationships between them were analyzed through correlation and regression analyses. The results indicate that (1) spatial patterns of GCIs have significant effects on their cooling potential, while urban areas with more green patch coverage encounter stronger cooling effects; also, (2) our correlation analysis of three fundamental and widely recognized classes of landscape metrics (area, shape, and core of GCIs with temperature change) shows that the most important metric of effective cooling is the core area. 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urban climate. This study examines the cooling effects of greenspace patterns on urban cool islands (UCIs) at the patch level in an urban environment. The effects of 1155 patches of greenspace cool islands (GCIs) on UCIs of the Chiang Mai metropolitan area in Thailand were identified from a satellite image, and the relationships between them were analyzed through correlation and regression analyses. The results indicate that (1) spatial patterns of GCIs have significant effects on their cooling potential, while urban areas with more green patch coverage encounter stronger cooling effects; also, (2) our correlation analysis of three fundamental and widely recognized classes of landscape metrics (area, shape, and core of GCIs with temperature change) shows that the most important metric of effective cooling is the core area. 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| ispartof | Environmental monitoring and assessment, 2019-09, Vol.191 (9), p.580-580, Article 580 |
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| subjects | Atmospheric Protection/Air Quality Control/Air Pollution Cities Climate Cold Temperature Conservation of Natural Resources Cooling Cooling effects Correlation analysis Earth and Environmental Science Ecology Ecotoxicology Environment Environmental Management Environmental Monitoring Environmental science Evaporative cooling Green infrastructure Hot Temperature Islands Metropolitan areas Monitoring/Environmental Analysis Open spaces Regression analysis Satellite imagery Shape recognition Spaceborne remote sensing Temperature Temperature changes Thailand Tropical climate Urban areas Urban climates Urban cool islands Urban environments Urban heat islands Urban planning |
| title | Spatial patterns of greenspace cool islands and their relationship to cooling effectiveness in the tropical city of Chiang Mai, Thailand |
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