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An inexpensive atmospheric microplastic collector for use in remote areas
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Researchers constructed an inexpensive, passive atmospheric microplastic collector from locally accessible materials and deployed it at three locations around Whitehorse, Yukon, Canada, measuring microplastic fibre deposition fluxes using visual identification to quantify airborne microplastic fallout in a remote northern region.
An inexpensive, passive apparatus for measuring microplastic fibre deposition fluxes was locally constructed using readily-accessible materials and deployed at three locations around Whitehorse, Yukon, Canada. The simple design requires little specialized equipment, uses visual identification to 100μm, and the hot-needle test to identify microplastic fibres. It is intended for use by individuals and institutions in remote areas to establish trends in microplastic pollution in their communities. The average deposition flux for microplastic fibres in Whitehorse was observed to be 10±9fibresm−2day−1, with considerable variation between the north end and south end of the city: respectively 17±9 and 3±2fibresm−2day−1. Due to the dominant southerly winds, the difference is thought to represent the microplastic fibre source strength of Whitehorse: 14±11fibresm−2day−1.
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Researchers deployed passive and active air samplers at two remote stations, Ny Alesund in the High Norwegian Arctic and Birkenes on mainland Norway, to compare atmospheric microplastic concentrations, compositions, and deposition rates between urban and remote locations to evaluate the magnitude of long-range atmospheric MP transport to the Arctic.
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Researchers compared atmospheric microplastic deposition at two contrasting Norwegian sites - the remote High Arctic station at Ny-Alesund, Svalbard and the rural mainland site at Birkenes - using both passive and active air samplers for wet and dry deposition. The study examined whether southern European ocean currents transport microplastics to Arctic Norway and assessed the relative contribution of urban emission sources to remote atmospheric microplastic loads.
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Researchers developed and tested a flow-through passive air sampler designed to capture airborne microplastics without requiring electrical power. Field tests showed the sampler produced results comparable to conventional high-volume air samplers while being deployable in remote locations. The device offers a practical, low-cost tool for monitoring microplastic concentrations in the atmosphere across diverse settings.
Atmospheric microplastics in the Arctic Region: An examination of deposited and suspended atmospheric microplastics in Ny-Ålesund, Svalbard
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Researchers measured atmospheric microplastic deposition and suspension in Ny-Alesund, Svalbard, finding microplastics in both deposited and airborne samples from this remote High Arctic location and characterizing dominant polymer types and potential source regions.
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Researchers used passive and active air samplers at two Norwegian sites — Ny Ålesund (High Arctic) and Birkenes (mainland Norway) — to compare atmospheric microplastic deposition between remote and urban locations, assessing the role of ocean currents and urban emission sources in transporting MP to the Norwegian Arctic.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.