Large global variations in measured airborne metal concentrations driven by anthropogenic sources

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dc.contributor.authorMcNeill, Jacob
dc.contributor.authorSnider, Graydon
dc.contributor.authorWeagle, Crystal L.
dc.contributor.authorWalsh, Brenna
dc.contributor.authorBissonnette, Paul
dc.contributor.authorStone, Emily
dc.contributor.authorAbboud, Ihab
dc.contributor.authorAkoshile, Clement
dc.contributor.authorAnh, Nguyen Xuan
dc.contributor.authorBalasubramanian, Rajasekhar
dc.contributor.authorBrook, Jeffrey R.
dc.contributor.authorCoburn, Craig
dc.contributor.authorCohen, Aaron
dc.contributor.authorDong, Jinlu
dc.contributor.authorGagnon, Graham
dc.contributor.authorGarland, Rebecca M.
dc.contributor.authorHe, Kebin
dc.contributor.authorHolben, Brent N.
dc.contributor.authorKahn, Ralph
dc.contributor.authorKim, Jong Sung
dc.contributor.authorLagrosas, Nofel
dc.contributor.authorLestari, Puji
dc.contributor.authorLiu, Yang
dc.contributor.authorJeba, Farah
dc.contributor.authorJoy, Khaled Shaifullah
dc.contributor.authorMartins, J. Vanderlei
dc.contributor.authorMisra, Amit
dc.contributor.authorNorford, Leslie K.
dc.contributor.authorQuel, Eduardo J.
dc.contributor.authorSalam, Abdus
dc.contributor.authorSchichtel, Bret
dc.contributor.authorTripathi, S. N.
dc.contributor.authorWang, Chien
dc.contributor.authorZhang, Qiang
dc.contributor.authorBrauer, Michael
dc.contributor.authorGibson, Mark D.
dc.contributor.authorRudich, Yinon
dc.contributor.authorMartin, Randall V.
dc.date.accessioned2021-01-20T17:58:13Z
dc.date.available2021-01-20T17:58:13Z
dc.date.issued2020-12-11
dc.description.abstractGlobally consistent measurements of airborne metal concentrations in fine particulate matter (PM₂.₅) are important for understanding potential health impacts, prioritizing air pollution mitigation strategies, and enabling global chemical transport model development. PM₂.₅ filter samples (N ~ 800 from 19 locations) collected from a globally distributed surface particulate matter sampling network (SPARTAN) between January 2013 and April 2019 were analyzed for particulate mass and trace metals content. Metal concentrations exhibited pronounced spatial variation, primarily driven by anthropogenic activities. PM₂.₅ levels of lead, arsenic, chromium, and zinc were significantly enriched at some locations by factors of 100–3000 compared to crustal concentrations. Levels of metals in PM₂.₅ and PM₁₀ exceeded health guidelines at multiple sites. For example, Dhaka and Kanpur sites exceeded the US National Ambient Air 3-month Quality Standard for lead (150 ng m⁻³). Kanpur, Hanoi, Beijing and Dhaka sites had annual mean arsenic concentrations that approached or exceeded the World Health Organization’s risk level for arsenic (6.6 ng m⁻³). The high concentrations of several potentially harmful metals in densely populated cites worldwide motivates expanded measurements and analyses.en_US
dc.description.sponsorshipTis work was supported by Bloomberg Philanthropies through the Health Effects Institute, by the Climate Works Foundation, and by the Natural Sciences and Engineering Research Council (NSERC) of Canada. We thank the HERC labs for supplying filter weighing facilities. Data collection in Kanpur was supported by grant from the Indo-US Science and Technology Forum (IUSSTF) under real time air quality monitoring scheme. Data collection in Rehovot was supported in part by the Environmental Health Fund (Israel) and the Israel Science Foundation (grant #236/16). Partial support for the ITB site was by Ministry of Research, Technology & Higher Education, under World Class University (WCU) managed by Bandung Institute of Technology (ITB). The views expressed here are of authors and do not necessarily reflect those of NAS or USAID. The Singapore site was supported by the Singapore National Research Foundation (NRF) through the Singapore-MIT Alliance for Research and Technology (SMART), Center for Environmental Sensing and Modeling. The site in Atlanta was partially supported by NASA Applied Science Program (Grant # 80NSSC19K0191) and the Jet Propulsion Laboratory (Contract #1588347 and #1363692). All data are freely available as a public good at http://www.spartan-network.org. We welcome expression of interest to collaborate with this grass-roots networken_US
dc.description.urihttps://www.nature.com/articles/s41598-020-78789-yen_US
dc.format.extent2 filesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m24msj-8b2a
dc.identifier.citationMcNeill, Jacob; Snider, Graydon; Weagle, Crystal L.; Walsh, Brenna; Bissonnette, Paul; Stone, Emily; Abboud, Ihab; Akoshile, Clement; Anh, Nguyen Xuan; Balasubramanian, Rajasekhar; Brook, Jeffrey R.; Coburn, Craig; Cohen, Aaron; Dong, Jinlu; Gagnon, Graham; Garland, Rebecca M.; He, Kebin; Holben, Brent N.; Kahn, Ralph; Kim, Jong Sung; Lagrosas, Nofel; Lestari, Puji; Liu, Yang; Jeba, Farah; Joy, Khaled Shaifullah; Martins, J. Vanderlei; Misra, Amit; Norford, Leslie K.; Quel, Eduardo J.; Salam, Abdus; Schichtel, Bret; Tripathi, S. N.; Wang, Chien; Zhang, Qiang; Brauer, Michael; Gibson, Mark D.; Rudich, Yinon; Martin, Randall V.; Large global variations in measured airborne metal concentrations driven by anthropogenic sources; Scientific Reports 10, Article number: 21817 (2020); https://www.nature.com/articles/s41598-020-78789-yen_US
dc.identifier.urihttps://doi.org/10.1038/s41598-020-78789-y
dc.identifier.urihttp://hdl.handle.net/11603/20558
dc.language.isoen_USen_US
dc.publisherNatureen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Physics Department Collection
dc.relation.ispartofUMBC Joint Center for Earth Systems Technology (JCET)
dc.relation.ispartofUMBC Faculty Collection
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
dc.rightsPublic Domain Mark 1.0*
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleLarge global variations in measured airborne metal concentrations driven by anthropogenic sourcesen_US
dc.typeTexten_US

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