WITHDRAWN: From Phenomena to Accountability: A Mechanism-Driven Framework for Urban Road Traffic Emissions Management

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Abstract

Abstract Against the backdrop of the global carbon neutrality agenda, precisely deconstructing and governing carbon emissions from megacity transport systems has become a central challenge for sustainability science. However, a fundamental disconnect persists in current research paradigms: while emission maps are increasingly detailed, the understanding of critical mechanisms—such as congestion-induced contributions and functional responsibility—remains highly fragmented. To bridge this gap, this study develops a road-level dynamic carbon emission model based on over 2.5 million citywide origin–destination trajectories, enabling a systematic analysis of the spatiotemporal patterns and underlying mechanisms of transport-related emissions at the urban scale. The results show that total road traffic emissions during the morning and evening peaks reached approximately 6,251 tons and 5,198 tons of CO₂, respectively, with a distinctive “ring-and-radial” spatial pattern and pronounced inequality—where 20% of road segments account for 80% of emissions. Furthermore, by introducing a comprehensive framework to evaluate congestion-induced emissions, we reveal that excess emissions attributable to peak-hour congestion amount to 1,302 tons (20.8%) in the morning and 1,002 tons (19.3%) in the evening, highlighting cross-district commuting corridors and peri-urban junctions as critical control points for emission reduction. Building on this, a multi-scale tracing analysis linking road segments, urban regions, and land-use functions clarifies the differentiated roles of functional zones within the urban emission network, identifying typical categories such as pure liability exporter, emission channels, and composite emission sources. This methodological framework offers a replicable technical pathway for low-carbon traffic governance in megacities and provides scientific support for developing carbon neutrality strategies in cities worldwide.
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WITHDRAWN: From Phenomena to Accountability: A Mechanism-Driven Framework for Urban Road Traffic Emissions Management | Research Square window.SnipcartSettings = {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 WITHDRAWN: From Phenomena to Accountability: A Mechanism-Driven Framework for Urban Road Traffic Emissions Management Xiao Luo, Yangjing Fu, Chonghao Zhang, Hao Yu, Zhe Liu, Qing Yu, and 4 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-7751217/v2 This work is licensed under a CC BY 4.0 License Status: Posted Version 2 posted You are reading this latest preprint version Show more versions Editorial Note The full text of this preprint has been withdrawn, as it was submitted in error. Therefore, the authors do not wish this work to be cited as a reference. Questions should be directed to the corresponding author. Editorial notes are used to provide important context regarding the topic of a preprint or to alert readers to potential issues concerning that preprint or a downstream publication associated with it. For more information on editorial notes, see our Editorial Policies . Abstract The full text of this preprint has been withdrawn, as it was submitted in error. Therefore, the authors do not wish this work to be cited as a reference. Questions should be directed to the corresponding author. Scientific community and society/Energy and society Earth and environmental sciences/Environmental sciences Earth and environmental sciences/Environmental social sciences Social science/Environmental studies Scientific community and society/Geography Social science/Geography Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 2 posted You are reading this latest preprint version Show more versions 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. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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