Rapid increase in spring ozone in the Pearl River Delta, China during 2013-2022

Rapid increase in spring ozone in the Pearl River Delta, China during 2013-2022 | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article Rapid increase in spring ozone in the Pearl River Delta, China during 2013-2022 Haichao Wang, Tianhui Cao, Xiaorui Chen, Lei Li, Xiao Lu, Keding Lu, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4398572/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 19 Dec, 2024 Read the published version in npj Climate and Atmospheric Science → Version 1 posted 9 You are reading this latest preprint version Abstract Surface ozone pollution is a severe air pollution problem and typically occurs in the warm season since it is driven by photochemistry. Recent studies showed a tendency for ozone pollution to spread into the cold season. Yet, less attention was paid to its evolution and causes. Here, we show general uptrends in surface ozone of 1.15 ppbv a-1 during the spring (March to May) over the past decade (2013 -2022) in the Pearl River Delta, China. Meteorological shift mainly contributed to the average rapid growth of 77%, as determined by the multiple linear regression model. The change in three meteorological factors, namely SSR, U10, and V850, especially in the stagnant weather conditions, are critical in driving spring ozone increase, and their relative importance differs between inland and coastal regions. These results show that the meteorological-induced springtime ozone pollution warrants vigilance, as spring ozone pollution control in climate-sensitive areas, will be more challenging towards climate change. Earth and environmental sciences/Climate sciences/Atmospheric science Earth and environmental sciences/Environmental sciences/Environmental impact Full Text Additional Declarations (Not answered) Supplementary Files Supplyment240510.docx Cite Share Download PDF Status: Published Journal Publication published 19 Dec, 2024 Read the published version in npj Climate and Atmospheric Science → Version 1 posted Editorial decision: revise 11 Sep, 2024 Review # 2 received at journal 08 Sep, 2024 Reviewer # 2 agreed at journal 19 Aug, 2024 Review # 1 received at journal 24 Jun, 2024 Reviewer # 1 agreed at journal 26 May, 2024 Reviewers invited by journal 26 May, 2024 Editor assigned by journal 13 May, 2024 Submission checks completed at journal 10 May, 2024 First submitted to journal 10 May, 2024 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-4398572","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":307028973,"identity":"f60f975b-b5a1-43e9-9207-2fca7af44316","order_by":0,"name":"Haichao 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