Microplastics in sea ice drifted to the Shiretoko Peninsula, the southern end of the Sea of Okhotsk
Hiroshi Ohno,
Yoshinori Iizuka
Abstract:Sea ice is regarded as a temporal sink and carrier of microplastics (MPs). Nevertheless, knowledge and understanding of MPs in sea ice remain sparse. This study investigated the abundance, composition, size (>30 micro m), and shape of MPs in four sea-ice cores retrieved at the southern end of the Sea of Okhotsk. Nine microplastic (MP) types, mostly with fragmentary shapes, were detected among ice-core sections. Most fragmentary MPs were smaller than 120 micro m, but all fiber MPs were in the largest size cl… Show more
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