| 论文简介 |
The urban heat island effect problem in Chinese cities is becoming a serious problem. How to reduce
urban environmental temperature through urban design is a particularly important consideration. The air
temperature in residential areas is a key indicator for evaluating outdoor thermal comfort. The purpose of
this paper is to conduct environmental monitoring in residential areas in Xi’an, China. The relationship
between air temperature and spatial arrangement patterns of residential areas was investigated. The
study team conducted field monitoring in residential areas in Xi’an during the period from April to May
2019. A geographic information system model was established to analyse the data of 20 measuring
locations, such as volume ratio, greening rate, sky visual factors and applied a multivariate linear regression
equation to establish the relationship between environmental temperature and residential spatial
form factors. The results have shown that a 20% increase in greening rate in urban residential areas in
summer could have an impact on the environmental temperature of the area. The day-average temperature
(Tavg-day), night-average temperature (Tavg-night) and overall average temperature (Tavg) of residential
district’s outdoor environment were reduced by 0.08℃, 0.15℃ and 0.13 ℃, respectively. The study can
provide data support for reducing urban heat island effect and would provide a reference for future plan
for cooling of residential areas of the same latitude in different parts of the world. |
(创新港)
