Seasonal SUHI Analysis Using Local Climate Zone Classification: A Case Study of Wuhan, China

Lingfei Shi, Feng Ling, Giles M. Foody, Zhen Yang, Xixi Liu and Yun Du
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Lingfei Shi: College of Resources and Environmental Sciences, Henan Agricultural University, Zhengzhou 450002, China
Feng Ling: Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430077, China
Giles M. Foody: School of Geography, University of Nottingham, Nottingham NG7 2RD, UK
Zhen Yang: College of Information Science and Engineering, Henan University of Technology, Zhengzhou 450001, China
Xixi Liu: College of Information Science and Engineering, Henan University of Technology, Zhengzhou 450001, China
Yun Du: Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430077, China

IJERPH, 2021, vol. 18, issue 14, 1-13

Abstract: The surface urban heat island (SUHI) effect poses a significant threat to the urban environment and public health. This paper utilized the Local Climate Zone (LCZ) classification and land surface temperature (LST) data to analyze the seasonal dynamics of SUHI in Wuhan based on the Google Earth Engine platform. In addition, the SUHI intensity derived from the traditional urban–rural dichotomy was also calculated for comparison. Seasonal SUHI analysis showed that (1) both LCZ classification and the urban–rural dichotomy confirmed that Wuhan’s SHUI effect was the strongest in summer, followed by spring, autumn and winter; (2) the maximum SUHI intensity derived from LCZ classification reached 6.53 °C, which indicated that the SUHI effect was very significant in Wuhan; (3) LCZ 8 (i.e., large low-rise) had the maximum LST value and LCZ G (i.e., water) had the minimum LST value in all seasons; (4) the LST values of compact high-rise/midrise/low-rise (i.e., LCZ 1–3) were higher than those of open high-rise/midrise/low-rise (i.e., LCZ 4–6) in all seasons, which indicated that building density had a positive correlation with LST; (5) the LST values of dense trees (i.e., LCZ A) were less than those of scattered trees (i.e., LCZ B) in all seasons, which indicated that vegetation density had a negative correlation with LST. This paper provides some useful information for urban planning and contributes to the healthy and sustainable development of Wuhan.

Keywords: surface urban heat island; local climate zone; land surface temperature (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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