Articles | Volume 25, issue 9
https://doi.org/10.5194/acp-25-4989-2025
https://doi.org/10.5194/acp-25-4989-2025
Research article
 | 
14 May 2025
Research article |  | 14 May 2025

The modulation of synoptic weather patterns and human activities on the diurnal cycle of the summertime canopy urban heat island in the Yangtze River Delta Urban Agglomeration, China

Tao Shi, Yuanjian Yang, Lian Zong, Min Guo, Ping Qi, and Simone Lolli

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Cited articles

Bahuguna, R. N., Solis, C. A., Shi, W., and Jagadish, K. S. V.: Post-flowering night respiration and altered sink activity account for high night temperature-induced grain yield and quality loss in rice (Oryza sativa L.), Physiol. Plantarum, 159, 59–73, https://doi.org/10.1111/ppl.12485, 2017. 
Bai, K. and Li, K.: Daily 1-km gap-free PM2.5 grids in China, v1 (2000–2020), in: Earth System Science Data (Vol. 14, 907–927), Zenodo [data set], https://doi.org/10.5281/zenodo.5652265, 2021a.​​​​​​​ 
Bai, K. and Li, K.: Daily 1-km gap-free PM10 grids in China, v1 (2000–2020), in: Earth System Science Data (Vol. 14, 907–927), Zenodo [data set], https://doi.org/10.5281/zenodo.5652263, 2021b. 
Bansal, P. and Quan, S.: Examining temporally varying nonlinear effects of urban form on urban heat island using explainable machine learning: A case of Seoul, Build. Environ., 247, 110957, https://doi.org/10.1016/j.buildenv.2023.110957, 2024.​​​​​​​ 
Cai, H. and Xu, X.: Impacts of built-up area expansion in 2D and 3D on regional surface temperature, Sustainability, 9, 1862, https://doi.org/10.3390/su9101862, 2017. 
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Short summary
Our study explored the daily temperature patterns in urban areas of the Yangtze River Delta, focusing on how weather and human activities impact these patterns. We found that temperatures were higher at night, and weather patterns had a bigger impact during the day, while human activities mattered more at night. This helps us understand and address urban overheating.
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