Using numerical model simulations to improve the understanding of micro-plastic distribution and pathways in the marine environment

Britta D. Hardesty, Joseph Harari, Atsuhiko Isobe, Laurent Lebreton, Nikolai Maximenko, Jim Potemra, Erik van Sebille, A. Dick Vethaak, Chris Wilcox

    研究成果: Contribution to journalReview article査読

    91 被引用数 (Scopus)

    抄録

    Numerical modeling is one of the key tools with which we can gain insight into the distribution of marine litter, especially micro-plastics. Over the past decade, a series of numerical simulations have been constructed that specifically target floating marine litter, based on ocean models of various complexity. Some of these models include the effects of currents, waves, and wind as well as a series of processes that impact how particles interact with ocean currents, including fragmentation and degradation. Here, we give an overview of these models, including their spatial and temporal resolution, limitations, availability, and what we have learned from them. Then we focus on floating marine micro-plastics (< 5 mm diameter) and we make recommendations for experimental research efforts that can improve the skill of the models by increasing our understanding of the processes that govern the dispersion of marine litter. In addition, we highlight the importance of knowing accurately the sources or entry points of marine plastic debris, including potential sources that have not been incorporated in previous studies (e.g., atmospheric contributions). Finally, we identify information gaps and priority work areas for research. We also highlight the need for appreciating and acknowledging the uncertainty that persists regarding the movement, transportation and accumulation of anthropogenic litter in the marine environment.

    本文言語英語
    論文番号30
    ジャーナルFrontiers in Marine Science
    4
    MAR
    DOI
    出版ステータス出版済み - 3 31 2017

    All Science Journal Classification (ASJC) codes

    • 海洋学
    • 地球変動および惑星変動
    • 水圏科学
    • 水の科学と技術
    • 環境科学(その他)
    • 海洋工学

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