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- Title
Experimental Analysis of the Influence of Urban Morphological Indices on the Urban Thermal Environment of Zhengzhou, China.
- Authors
Zhou, Xuefan; Chen, Hong
- Abstract
Summer extreme high-temperatures occur frequently in large cities; urban spatial form is the primary factor affecting the urban thermal environment. Thus, planning and arranging urban spaces is a key approach to regulating urban microclimates. Studies into how urban spatial forms influence the formation of urban microclimates have been carried out for multiple cities in warm and hot regions; however, few studies of this kind have been carried out for cities in cold regions. In this study, we analyze Zhengzhou, a city located in a cold region of China, using summer 2017 measurement data to determine why high temperatures develop in cold areas. We investigated how temperature and humidity vary during the morning, at noon, and in the evening given different land use properties (commercial and residential) and different spatial forms (building height, building density, green coverage rate, and plot ratio); we then studied the correlation between urban spatial form and the urban thermal environment. Our research results indicate that the commercial district's thermal microclimate was related to PR and BH in the afternoon and GCR in the morning and at night. In the residential district, the key urban morphology factors related to its thermal microclimates were BD, PR, and GCR during almost the whole day.
- Subjects
ZHENGZHOU Shi (China); CHINA; URBAN ecology (Sociology); COLD regions; PUBLIC spaces; URBAN morphology; GEOTHERMAL ecology; COLD (Temperature); COMMERCIAL building energy consumption; HUMIDITY; URBAN density
- Publication
Atmosphere, 2021, Vol 12, Issue 8, p1058
- ISSN
2073-4433
- Publication type
Article
- DOI
10.3390/atmos12081058