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A few years ago,marine ecologist Melanie Bergmann was on
the remote Norwegian archipelago (of Svalbard,studying
the effects of climate change on Arctic marine ecosystems.She
kept noticing how much plastic litter was turning up in samples
and images of the nearby ocean floor.After doing several analy-
ses,she and her team found tiny pieces of plastic spreading
throughout seafloor sediment(沉淀物)and ocean waters and fro
zen into layers of sea ice.
We now know that at least some plastic is blowing to the
Arctic through the atmosphere and drifting down to the surface.
The work,published on Wednesday in Science Advances,also
provides more evidence that pieces of plastic are likely constantly
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