首页|Heatwave exacerbates air pollution in China through intertwined climate-energy-environment interactions

Heatwave exacerbates air pollution in China through intertwined climate-energy-environment interactions

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Climate change is increasing the frequency and intensity of heatwaves,raising concerns about their detri-mental effects on air quality.However,a role for heatwave-human-environment interactions in air pol-lution exacerbation has not been established.In the summer of 2022,record-breaking heatwaves struck China and Europe.In this study,we use integrated observational data and machine learning to elucidate the formation mechanism underlying one of the most severe ozone pollution seasons on record in central eastern China,an area that encompasses approximately half of China's total population and sown land.Our findings reveal that the worsened ozone and nitrogen dioxide pollution resulted from a mismatch between energy demand and supply,which was driven by both heatwaves and energy policy-related fac-tors.The observed adverse heatwave-energy-environment feedback loop highlights the need for the diversification of clean energy sources,more resilient energy structures and power policies,and further emission control to confront the escalating climate challenge in the future.

HeatwavesAir pollutionOzoneEnergyMachine learning

Tianshu Chen、Tao Wang、Likun Xue、Guy Brasseur

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Department of Civil and Environmental Engineering,The Hong Kong Polytechnic University,Hong Kong 999077,China

Environment Research Institute,Shandong University,Qingdao 266237,China

Big Data Research Center for Ecology and Environment,Shandong University,Qingdao 266237,China

Environmental Modelling Group,Max Planck Institute for Meteorology,Hamburg 20146,Germany

National Center for Atmospheric Research,Boulder,CO 80307,USA

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Hong Kong Research Grants CouncilNational Natural Science Foundation of ChinaNational Key Research and Development Program of ChinaNational Center for Atmospheric ResearchUS National Science Foundation

T24-504/17-N419220512022YFC3701101

2024

10.1016/j.scib.2024.05.018

科学通报(英文版)
中国科学院

科学通报(英文版)

CSTPCD
ISSN：1001-6538
年,卷(期)：2024.69(17)
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