Fate of perfluoroalkyl substances in the Third Pole proglacial lake basins

Fate of perfluoroalkyl substances in the Third Pole proglacial lake basins | 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 Fate of perfluoroalkyl substances in the Third Pole proglacial lake basins Yunqiao Zhou, Mengke Chen, Jianjie Fu, Tingting Zhu, Chuanfei Wang, and 4 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-3016758/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 06 Feb, 2024 Read the published version in Communications Earth & Environment → Version 1 posted You are reading this latest preprint version Abstract How will climate change influence the accumulation of pollutants in remote mountainous lakes? To answer this question, we collected sediment cores from two glacial lakes (one is small and close to glacier, and the other is large and far from glacier) in the Third Pole and quantified deposition fluxes of perfluoroalkyl substances (PFAS). The trends of PFAS fluxes broadly correspond with their historical emissions and phase-out. Besides of emission, glacial meltwater strongly impacts the accumulation of PFAS in small lake, while precipitation exhibits great impact on that of big lake. We then optimized a multi-media fugacity model to explore how PFAS transport along proglacial rivers before entering the big lake and found that river sediments intercept ~ 12% of PFAS from glacial meltwater. Impact of proglacial river-sediment on pollutant accumulation have been greatly underestimated, although role of climate was concerned before. Earth and environmental sciences/Environmental sciences/Environmental chemistry/Geochemistry Earth and environmental sciences/Climate sciences/Cryospheric science Earth and environmental sciences/Environmental sciences/Environmental impact Full Text Additional Declarations There is NO Competing Interest. Supplementary Files Supplementaryinformation.pdf Cite Share Download PDF Status: Published Journal Publication published 06 Feb, 2024 Read the published version in Communications Earth & Environment → Version 1 posted 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. 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. 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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-3016758","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":206901108,"identity":"ae0daa32-704f-4541-a04e-756bbe9090be","order_by":0,"name":"Yunqiao Zhou","email":"","orcid":"","institution":"","correspondingAuthor":false,"submittingAuthor":false,"prefix":"","firstName":"Yunqiao","middleName":"","lastName":"Zhou","suffix":""},{"id":206901109,"identity":"1c407626-34a3-4328-a781-63fadad1a231","order_by":1,"name":"Mengke Chen","email":"","orcid":"","institution":"Institute of Tibetan Plateau Research, Chinese Academy of Sciences 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