Assessing the synergies between heat waves and urban heat islands of different local climate zones in Guangzhou, China

Chen, Guang; Chen, Yiqi; He, Hao; Wang, Junsong; Zhao, Lihua; Cai, Yuyan

doi:10.1016/j.buildenv.2023.110434

Cited by 14 publications

(4 citation statements)

References 56 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The intensity of the relationships between LCZ and LST had obvious variations among LCZ types and the three studied cities. For the variations among LCZ types, we found the compact-built LCZs such as LCZs 2 and 3 had higher correlation coefficients than open-rise buildings, indicating they might have a stronger effect on LST, which was consistent with previous studies in which higher UHI intensity was observed in built-up LCZs in Guangzhou, China [31,53,57]. For land cover LCZ types, LCZA had the largest negative correlation coefficient with LST in Beijing and Shenzhen.…”

Section: Effects Of Lcz On the Lstsupporting

confidence: 89%

“…In this study, the LCZs were taken as the basic composition elements in a 1 × 1 km grid to explore their relationships with LST, which was an innovation of the research method. Compared to previous studies, similar results were also found, e.g., the LST of built-up LCZs were typically higher than land cover ones due to the physical and optical properties in both coastal and inland cities [31,[53][54][55]. It is well known that buildings easily absorb more solar radiation, and vegetation has a cooling effect due to its shade and evapotranspiration [39,56].…”

Section: Effects Of Lcz On the Lstsupporting

confidence: 80%

“…Applications of the LCZ framework in UHI-related studies have become popular in recent research [29][30][31]. Numerous studies have examined the spatial-temporal features and impact factors of the thermal environment differences among different LCZ types [32][33][34].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Comparing Characteristics of the Urban Thermal Environment Based on the Local Climate Zone in Three Chinese Metropolises

Su,

Yang,

et al. 2024

IJGI

View full text Add to dashboard Cite

Urban landscape has important effects on urban climate, and the local climate zone (LCZ) framework has been widely applied in related studies. However, few studies have compared the relative contributions of LCZ on the urban thermal environment across different cities. Therefore, Beijing, Shanghai, and Shenzhen in China were selected to conduct a comparative study to explore the relationship between LCZ and land surface temperature (LST). The results showed that (1) both the composition and spatial configuration of LCZ had obvious differences among the three cities. Beijing had a higher area proportion of compact mid-rise and low-rise LCZ types. The spatial pattern of LCZ in Shenzhen was especially quite different from those of Beijing and Shanghai. (2) Shenzhen had the strongest summer surface urban heat island (UHI) intensity and the largest UHI region area. However, the proportion of urban cooling island areas was still the highest in Shenzhen. (3) Different LCZs showed significant LST differences. The largest LST difference between the LCZs reached 5.57 °C, 4.50 °C, and 12.08 °C in Beijing, Shanghai, and Shenzhen, respectively. Built-up LCZs had higher LSTs than other LCZ types. (4) The dominant driving LCZs on LST were different among these cities. The LST in Beijing was easily influenced by built-up LCZ types, while the cooling effects generated by LCZ G(water) were much stronger than built-up LCZs’ warming effects in Shanghai. These results indicated that the effect of the LCZ on LST had significant differences among LCZ types and across cities, and the dominant LCZs should be given more priority in future urban planning.

show abstract

Section: Effects Of Lcz On the Lstsupporting

confidence: 89%

Section: Effects Of Lcz On the Lstsupporting

confidence: 80%

See 1 more Smart Citation

Comparing Characteristics of the Urban Thermal Environment Based on the Local Climate Zone in Three Chinese Metropolises

Su,

Yang,

et al. 2024

IJGI

View full text Add to dashboard Cite

show abstract

“…In Shenyang City, the urban expansion area showed a typical ring-type expansion pattern [39]. This pattern of urban growth makes it easy for cities to plan and manage, but also tends to distribute urban heat islands continuously, deepening their intensity and creating greater thermal health risks for residents during heat waves [40], [41]. Therefore, it is important to be aware of the dangerous effects of this expansion pattern on the local thermal environment [42]- [44].…”

Section: Ieee Journal Of Selected Topics In Applied Earth Observation...mentioning

confidence: 99%

Attribution of Urban Diurnal Thermal Environmental Change: Importance of Global–Local Effects

Yu,

Yang,

Cong

et al. 2023

IEEE J. Sel. Top. Appl. Earth Observations Remote Sensing

View full text Add to dashboard Cite

Global climate change is causing various negative impacts on urban ecosystems and energy systems. To effectively mitigate and adapt to these changes, it is important to understand the contributions of background climate and local effects to urban thermal environment variation. This study utilized the empirical orthogonal function (EOF) approach to deconstruct long-term MODIS land surface temperature (LST) datasets to obtain the main features of change in daytime and nighttime thermal environments. Local bivariate spatial autocorrelation analysis was used to explore the underlying causes of these changes. The main EOF modes explained 73.14% and 81.33% of daytime and nighttime thermal environment variation, respectively. The correlation coefficient between the time coefficient of the main modes and the average LST was > 0.99, reflecting the role of global effect caused by background climate change. The secondary EOF modes explained 12.51% and 4.12% of daytime and nighttime thermal environment variation, respectively, and were spatially correlated with changes in landscape thermal intensity, reflecting local effect caused by landscape change and anthropogenic heat emissions. In expansion and renewal areas, industrial zones and compact high-rise buildings had the most obvious warming effect on the daytime thermal environment, while mid-to-high-rise buildings had the most obvious warming effect on the nighttime thermal environment. The results of this study provide valuable insights into the mechanisms of background climate and local effects on the urban thermal environment, and provide a reference for formulating effective strategies for mitigating and adapting to change in urban areas, and for promoting sustainable development.

show abstract

Systematic review of the efficacy of data-driven urban building energy models during extreme heat in cities: Current trends and future outlook

Mondal,

Anand,

Khan

et al. 2024

Build. Simul.

View full text Add to dashboard Cite

Assessing the synergies between heat waves and urban heat islands of different local climate zones in Guangzhou, China

Cited by 14 publications

References 56 publications

Comparing Characteristics of the Urban Thermal Environment Based on the Local Climate Zone in Three Chinese Metropolises

Comparing Characteristics of the Urban Thermal Environment Based on the Local Climate Zone in Three Chinese Metropolises

Attribution of Urban Diurnal Thermal Environmental Change: Importance of Global–Local Effects

Systematic review of the efficacy of data-driven urban building energy models during extreme heat in cities: Current trends and future outlook

Contact Info

Product

Resources

About