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White and wonderful? Microplastics prevail in snow from the Alps to the Arctic

Science advances, 2019-08, Vol.5 (8), p.eaax1157-eaax1157 [Peer Reviewed Journal]

Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC). 2019 The Authors ;ISSN: 2375-2548 ;EISSN: 2375-2548 ;DOI: 10.1126/sciadv.aax1157 ;PMID: 31453336

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  • Title:
    White and wonderful? Microplastics prevail in snow from the Alps to the Arctic
  • Author: Bergmann, Melanie ; Mützel, Sophia ; Primpke, Sebastian ; Tekman, Mine B ; Trachsel, Jürg ; Gerdts, Gunnar
  • Subjects: Atmospheric Science ; SciAdv r-articles
  • Is Part Of: Science advances, 2019-08, Vol.5 (8), p.eaax1157-eaax1157
  • Description: Microplastics (MPs) are ubiquitous, and considerable quantities prevail even in the Arctic; however, there are large knowledge gaps regarding pathways to the North. To assess whether atmospheric transport plays a role, we analyzed snow samples from ice floes in Fram Strait. For comparison, we investigated snow samples from remote (Swiss Alps) and populated (Bremen, Bavaria) European sites. MPs were identified by Fourier transform infrared imaging in 20 of 21 samples. The MP concentration of Arctic snow was significantly lower (0 to 14.4 × 10 N liter ) than European snow (0.19 × 10 to 154 × 10 N liter ) but still substantial. Polymer composition varied strongly, but varnish, rubber, polyethylene, and polyamide dominated overall. Most particles were in the smallest size range indicating large numbers of particles below the detection limit of 11 μm. Our data highlight that atmospheric transport and deposition can be notable pathways for MPs meriting more research.
  • Publisher: United States: American Association for the Advancement of Science
  • Language: English
  • Identifier: ISSN: 2375-2548
    EISSN: 2375-2548
    DOI: 10.1126/sciadv.aax1157
    PMID: 31453336
  • Source: PubMed Central
    DOAJ Directory of Open Access Journals
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