Microplastics in the Southern Ocean |
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| Authors: | Atsuhiko Isobe Kaori Uchiyama-Matsumoto Keiichi Uchida Tadashi Tokai |
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| Institution: | 1. Research Institute for Applied Mechanics, Kyushu University, 6-1 Kasuga-Koen, Kasuga 816-8580, Japan;2. Observation and Research Center for Ocean Systems, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan;3. Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato-ku, Tokyo 108-8477, Japan |
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| Abstract: | A field survey to collect microplastics with sizes < 5 mm was conducted in the Southern Ocean in 2016. We performed five net-tows and collected 44 pieces of plastic. Total particle counts of the entire water column, which is free of vertical mixing, were computed using the surface concentration (particle count per unit seawater volume) of microplastics, wind speed, and significant wave height during the observation period. Total particle counts at two stations near Antarctica were estimated to be in the order of 100,000 pieces km? 2. |
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| Keywords: | Microplastics Mesoplastics Concentration Total particle count |
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