Spatiotemporal Evolution of the Urban Thermal Environment Effect and Its Influencing Factors: A Case Study of Beijing, China

Rapid urbanization has led to significant changes in land surface temperature (LST), which in turn affect the urban thermal environment effect and the health of residents. Exploring the causes of the urban thermal environment effect will provide guidance for promoting sustainable urban development....

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Bibliographic Details
Published in:ISPRS international journal of geo-information 2022-04, Vol.11 (5), p.278
Main Authors: Ren, Ziqi, Li, Zhe, Wu, Feng, Ma, Huiqiang, Xu, Zhanjun, Jiang, Wei, Wang, Shaohua, Yang, Jun
Format: Article
Language:English
Subjects:
Beijing
Evolution
Geomorphology
Heat islands
Human factors
Land surface temperature
multi-source data
Multivariate analysis
Plant cover
Precipitation
Principal components analysis
Radiation
Remote sensing
Spatial analysis
Spatial data
Spatial distribution
spatial principal component analysis
Surface temperature
Sustainability
Sustainable development
Thermal environments
Urban areas
Urban development
Urban heat islands
urban thermal environment effect
Urbanization
Vegetation
Vegetation cover
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Summary:Rapid urbanization has led to significant changes in land surface temperature (LST), which in turn affect the urban thermal environment effect and the health of residents. Exploring the causes of the urban thermal environment effect will provide guidance for promoting sustainable urban development. The spatiotemporal evolution of the urban thermal environment effect within the sixth ring road of Beijing was analyzed by inversion of remote sensing data to obtain the LST in 2004, 2009, 2014, and 2019. In addition, based on multivariate spatial data, we applied the standard deviation ellipse (SDE), spatial principal component analysis (PCA), and other methods to analyze and identify the relationships between the urban thermal environment effect and its influencing factors. The results show that from 2004 to 2019, the spatial distribution of urban development and LST within the sixth ring road of Beijing were closely related, the heat island area showed a small increasing trend, and differences in the thermal environment effect between different administrative regions in different periods were obvious. The main factors affecting the urban thermal environment effect were urban construction intensity, vegetation and water bodies, socioeconomic activities, and geomorphology. It is noteworthy that human factors had a greater impact than natural factors. Among them, the positive effect of the normalized difference impervious surface index (NDBBI) and the negative effect of the fractional vegetation cover (FVC) were the most prominent. This study provides theoretical support for mitigating the urban thermal environment effect and promoting sustainable urban development.
ISSN:2220-9964
2220-9964
DOI:10.3390/ijgi11050278