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Analysis of Spatio-temporal patterns and related factors of thermal comfort in subtropical coastal cities based on local climate zones
https://orcid.org/0000-0001-5330-6431
https://orcid.org/0000-0002-9698-2015
Abstract "Local Climate Zone" (LCZ) is a land classification scheme for urban thermal environment, combined with the "Universal Thermal Climate Index" (UTCI) indicator that characterizes human perception of the thermal environment, which can effectively reflect human perception of the thermal environment. In order to evaluate the thermal comfort of Shenzhen in 2020, the hourly data of 65 weather stations covering 11 LCZ types are used to calculate UTCI, which is used to analyze the temporal and spatial patterns of thermal comfort and related factors. The results show that the thermal comfort of 11 types of LCZ in Shenzhen all year round conforms to the characteristics of Shenzhen's subtropical monsoon climate. The 11 types of LCZ thermal comfort are higher at night than during the day. The thermal comfort of different LCZ types is statistically significantly different. The "Built type" LCZ has a higher thermal comfort value than the "Land cover type" LCZ, and the time in the thermal level is longer. Summer thermal comfort in Shenzhen was found to be positively correlated with building surface fraction, building height, street aspect ratio, and distance to the sea, and negatively correlated with sky view factor and pervious surface fraction. In addition, the summer sea breeze has a cooling effect on the thermal comfort of the entire Shenzhen area, and the barrier-free ventilation corridor can observe a better cooling effect. The research results of this paper can provide reference for improving the thermal comfort in Shenzhen.
Highlights Long-term time series and multi-point data evaluate the city's temporal and spatial thermal comfort pattern. Combining thermal comfort indicators and local climate zones, multi-angle analysis urban thermal conditions. Identify surface factors related to thermal comfort and propose strategies to alleviate thermal comfort. Hourly thermal comfort changes show different trends in different cities, regions, and seasons. The impact of sea breeze on urban thermal comfort varies with the internal structure of coastal cities.
Analysis of Spatio-temporal patterns and related factors of thermal comfort in subtropical coastal cities based on local climate zones
https://orcid.org/0000-0001-5330-6431
https://orcid.org/0000-0002-9698-2015
Abstract "Local Climate Zone" (LCZ) is a land classification scheme for urban thermal environment, combined with the "Universal Thermal Climate Index" (UTCI) indicator that characterizes human perception of the thermal environment, which can effectively reflect human perception of the thermal environment. In order to evaluate the thermal comfort of Shenzhen in 2020, the hourly data of 65 weather stations covering 11 LCZ types are used to calculate UTCI, which is used to analyze the temporal and spatial patterns of thermal comfort and related factors. The results show that the thermal comfort of 11 types of LCZ in Shenzhen all year round conforms to the characteristics of Shenzhen's subtropical monsoon climate. The 11 types of LCZ thermal comfort are higher at night than during the day. The thermal comfort of different LCZ types is statistically significantly different. The "Built type" LCZ has a higher thermal comfort value than the "Land cover type" LCZ, and the time in the thermal level is longer. Summer thermal comfort in Shenzhen was found to be positively correlated with building surface fraction, building height, street aspect ratio, and distance to the sea, and negatively correlated with sky view factor and pervious surface fraction. In addition, the summer sea breeze has a cooling effect on the thermal comfort of the entire Shenzhen area, and the barrier-free ventilation corridor can observe a better cooling effect. The research results of this paper can provide reference for improving the thermal comfort in Shenzhen.
Highlights Long-term time series and multi-point data evaluate the city's temporal and spatial thermal comfort pattern. Combining thermal comfort indicators and local climate zones, multi-angle analysis urban thermal conditions. Identify surface factors related to thermal comfort and propose strategies to alleviate thermal comfort. Hourly thermal comfort changes show different trends in different cities, regions, and seasons. The impact of sea breeze on urban thermal comfort varies with the internal structure of coastal cities.
Analysis of Spatio-temporal patterns and related factors of thermal comfort in subtropical coastal cities based on local climate zones
https://orcid.org/0000-0001-5330-6431
https://orcid.org/0000-0002-9698-2015
Abstract "Local Climate Zone" (LCZ) is a land classification scheme for urban thermal environment, combined with the "Universal Thermal Climate Index" (UTCI) indicator that characterizes human perception of the thermal environment, which can effectively reflect human perception of the thermal environment. In order to evaluate the thermal comfort of Shenzhen in 2020, the hourly data of 65 weather stations covering 11 LCZ types are used to calculate UTCI, which is used to analyze the temporal and spatial patterns of thermal comfort and related factors. The results show that the thermal comfort of 11 types of LCZ in Shenzhen all year round conforms to the characteristics of Shenzhen's subtropical monsoon climate. The 11 types of LCZ thermal comfort are higher at night than during the day. The thermal comfort of different LCZ types is statistically significantly different. The "Built type" LCZ has a higher thermal comfort value than the "Land cover type" LCZ, and the time in the thermal level is longer. Summer thermal comfort in Shenzhen was found to be positively correlated with building surface fraction, building height, street aspect ratio, and distance to the sea, and negatively correlated with sky view factor and pervious surface fraction. In addition, the summer sea breeze has a cooling effect on the thermal comfort of the entire Shenzhen area, and the barrier-free ventilation corridor can observe a better cooling effect. The research results of this paper can provide reference for improving the thermal comfort in Shenzhen.
Highlights Long-term time series and multi-point data evaluate the city's temporal and spatial thermal comfort pattern. Combining thermal comfort indicators and local climate zones, multi-angle analysis urban thermal conditions. Identify surface factors related to thermal comfort and propose strategies to alleviate thermal comfort. Hourly thermal comfort changes show different trends in different cities, regions, and seasons. The impact of sea breeze on urban thermal comfort varies with the internal structure of coastal cities.
Analysis of Spatio-temporal patterns and related factors of thermal comfort in subtropical coastal cities based on local climate zones
Wu, Jiansheng (author) / Liu, Chang (author) / Wang, Hongliang (author)
Building and Environment ; 207
2021-11-08
Article (Journal)
Electronic Resource
English
| Taylor & Francis Verlag | 1958
Indoor Thermal Comfort Predicting Correlations in Subtropical Plateau Monsoon Climate
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Influence of Weather Factors on Thermal Comfort in Subtropical Urban Environments
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