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Impact of tropical cyclone-heatwave compound events on ozone pollution in the Pearl River Delta during the warm season
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Yu-lin LIU1, Zi-xin LI1, Yan-xing WU1, Run LIU1, 2, *
China Environmental Science | 2025, 45(12) : 6552 - 6559
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China Environmental Science | 2025, 45(12): 6552-6559
• Air Pollution Control •
Impact of tropical cyclone-heatwave compound events on ozone pollution in the Pearl River Delta during the warm season
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Yu-lin LIU1, Zi-xin LI1, Yan-xing WU1, Run LIU1, 2, *
Affiliations
  • 1.College of Environmental and Climate Research, Jinan University, Guangzhou 511443, China
  • 2.Guangdong-Hong Kong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, China
Published: 2025-12-20
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Based on the hourly ozone (O3) concentration data, tropical cyclone (TC) data and meteorological reanalysis data in the Pearl River Delta (PRD) during the warm season (June-September) from 2015 to 2023, the impacts of various meteorological events, including isolated heat wave (HW) events, isolated TC events, and TC-HW compound events on O3 in PRD and their interannual variation relationship with O3 pollution events were compared and analyzed. The results showed that TC-HW compound events were associated with an average O3 concentration of (143.8±41.7) μg/m3, representing a mean growth rate of 21.4%, and a 36.8% likelihood of O3 pollution occurrence. Compared with other event categories, TC-HW compound events lead to an average regional O3 increase of 38.3μg/m3. A statistically significant positive correlation (r=0.68, P<0.05) was identified between the frequency of TC-HW compound events and the interannual variability of O3 pollution episodes. Meteorological conditions characterized by reduced cloud cover, low relative humidity, weakened wind speed, and enhanced solar radiation during the TC-HW compound events were identified as key drivers of increased O3 concentrations in the PRD.

tropical cyclone-heatwave compound events (TC-HW)  /  O3 pollution events  /  interannual variation  /  Pearl River Delta (PRD)
刘雨林, 黎梓欣, 吴燕星, 刘润. 热带气旋-热浪复合事件对珠三角暖季臭氧污染的影响. 中国环境科学, 2025 , 45 (12) : 6552 -6559 .
Yu-lin LIU, Zi-xin LI, Yan-xing WU, Run LIU. Impact of tropical cyclone-heatwave compound events on ozone pollution in the Pearl River Delta during the warm season[J]. China Environmental Science, 2025 , 45 (12) : 6552 -6559 .
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Year 2025 volume 45 Issue 12
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  • Receive Date：2025-05-06
  • Online Date：2026-10-08
  • Published：2025-12-20
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  • Received：2025-05-06
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Affiliations
    1.College of Environmental and Climate Research, Jinan University, Guangzhou 511443, China
    2.Guangdong-Hong Kong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou 511443, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
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Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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