Sediment sampling with a core sampler equipped with aluminum tubes and an onboard processing protocol to avoid plastic contamination
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Microplastics are abundant even on the deep-sea floor far from land and the ocean surface where human activities take place. To obtain samples of microplastics from the deep-sea floor, a research vessel and suitable sampling equipment, such as a multiple corer, a box corer, or a push corer manipulated by a remotely operated (ROV) or human occupied vehicle (HOV) are needed. Most such corers use sampling tubes made of plastic, such as polycarbonate, acrylic, or polyvinyl chloride. These plastic tubes are easily scratched by sediment particles, in particular during collection of coarse sandy sediments, and, consequently, the samples may become contaminated with plastic from the tube. Here, we report on the use of aluminum tubes with both a multiple corer and a push corer to prevent such plastic contamination. When compared with plastic tubes, aluminum tubes have the disadvantages of heavier weight and non-transparency. We suggest ways to overcome these problems, and we also pre.....
Sustainable Development Goals (SDG)14.a
Maturity LevelPilot or Demonstrated
CitationTsuchiya, M., Nomaki, H., Kitahashi. T., Nakajima, R. and Fujikura, K. (2019) Sediment sampling with a core sampler equipped with aluminum tubes and an onboard processing protocol to avoid plastic contamination. MethodsX, 6, pp. 2662–2668. DOI: https://doi.org/10.1016/j.mex.2019.10.027 …
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