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. 2019 Aug 14;5(8):eaax1157. doi: 10.1126/sciadv.aax1157

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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).

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Fig. 1 — (A) Sampling sites in the Arctic (ICE, ice floes; SV, Svalbard) and (B) in Europe (HL, Heligoland; BR, Bremen; BV, Bavaria; TSCH, Tschuggen; DV, Davos). (C) Overview of all locations. Size of circles reflects MP particle quantities at log scale.