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Long-range Atmospheric Transport of Microplastics across the Southern Hemisphere
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This is a dataset of original figure data for a study on the long-range atmospheric transport of microplastics across the Southern Hemisphere — not a standalone research article.
Original data for the figures.
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Long-range atmospheric transport of microplastics across the southern hemisphere
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Researchers conducted the first hemispheric-scale analysis of airborne microplastics, collecting samples along a cruise route from the Northern Hemisphere to Antarctica. They found microplastics present in the atmosphere over the Southern Ocean and near Antarctica, demonstrating that these particles can travel vast distances through the air. The study reveals that long-range atmospheric transport is a significant pathway for spreading microplastic pollution to even the most remote regions on Earth.
Airborne and marine microplastics in the Southern Ocean environment
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Researchers collected atmospheric deposition and seawater samples during a voyage from New Zealand to the Ross Sea, Antarctica, and detected microplastics throughout the Southern Ocean, contributing rare data from one of the world's most remote regions to understanding atmospheric and marine plastic transport.
Aerosol mass concentrations and dry/wet deposition of atmospheric microplastics at a remote coastal location in New Zealand
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Researchers quantified airborne microplastic concentrations at a remote coastal site in southern New Zealand using both active and passive sampling methods. They found plastics comprised at least 0.14% of total suspended particulate mass, with air trajectory analysis suggesting the Southern Ocean as a source. The study indicates that counting microplastics by number alone may significantly underestimate true atmospheric plastic pollution, since the smallest and most abundant particles escape microscopic detection.
Micro(nano)plastics in the atmosphere of the Atlantic Ocean.
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This study characterized micro- and nanoplastic particles in atmospheric aerosols collected on a transect from Spain to Chile across the Atlantic Ocean, finding plastics present throughout the open ocean atmosphere. The findings demonstrate that long-range atmospheric transport is a significant pathway for spreading microplastics from source regions across the global ocean.
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Researchers developed an atmospheric transport model for microplastics over Asia, estimating annual emissions of 310 gigagrams and finding that atmospheric transport efficiently carries microplastics from land sources to remote ocean regions across the Pacific and Indian oceans.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.