期刊
NATURE GEOSCIENCE
卷 12, 期 5, 页码 339-+出版社
NATURE PORTFOLIO
DOI: 10.1038/s41561-019-0335-5
关键词
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资金
- CNRS TRAM Project [ANR-15-CE01-0008]
- Observatoire Homme-Milieu Pyrenees Haut Vicdessos-LABEX DRIIHM [ANR-11-LABX-0010]
- CESBIO
- People Programme (Marie Curie Actions) of the European Union's Seventh Framework Programme (FP7/2007-2013) under REA grant, through the PRESTIGE programme [PCOFUND-GA-2013-609102]
- UKRPIF (UK Research Partnership Institute Fund) capital award, SFC, from the Higher Education Funding Council for England (HEFCE) [H13054]
- Agence Nationale de la Recherche (ANR) [ANR-15-CE01-0008] Funding Source: Agence Nationale de la Recherche (ANR)
Plastic litter is an ever-increasing global issue and one of this generation's key environmental challenges. Microplastics have reached oceans via river transport on a global scale. With the exception of two megacities, Paris (France) and Dongguan (China), there is a lack of information on atmospheric microplastic deposition or transport. Here we present the observations of atmospheric microplastic deposition in a remote, pristine mountain catchment (French Pyrenees). We analysed samples, taken over five months, that represent atmospheric wet and dry deposition and identified fibres up to similar to 750 mu m long and fragments <= 300 mu m as microplastics. We document relative daily counts of 249 fragments, 73 films and 44 fibres per square metre that deposited on the catchment. An air mass trajectory analysis shows microplastic transport through the atmosphere over a distance of up to 95 km. We suggest that microplastics can reach and affect remote, sparsely inhabited areas through atmospheric transport.
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