コメント "失われた海洋プラスチックシンク:川と共に消えた"
Lei Mai1, Xiang-Fei Sun1, Eddy Y Zeng1
1Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou 511443, China.
まとめ
海洋表面のマイクロプラスチックの推定滞在時間は 誤った計算によるものです 疑わしい川流量推定は, ~2.4年の居住時間結論を無効にします.
科学分野:
- 環境科学
- 海洋学
- プラスチック汚染に関する研究
背景:
- 海洋に微小プラスチックが蓄積されることは 深刻な環境問題です
- 以前の研究では 海洋表面に微小プラスチックが 留まる期間を定量化しようとしていました
研究 の 目的:
- Weiss et al が使用した方法論を批判的に評価する. 海洋マイクロプラスチックの滞在時間を決定します
- 河川流量推定に基づくマイクロプラスチックの滞在時間の計算における欠陥を証明する.
主な方法:
- Weiss et al が使用した計算方法の分析
- 上記の研究で使用された河川の微小プラスチック流量データを批判する.
- 海洋のプラスチック廃棄物の量と河川の流量との比較
主要な成果:
- 居住時間の計算は Weiss et al による. 根本的に欠陥があります
- 海洋の微小プラスチック居住時間は,約2.4年という数字で正確に表記されていません.
- 川の微小プラスチック流量の推定は 疑わしいし 信頼性がない
結論:
- Weiss et al.の結論から マイクロプラスチックの居住時間については 根拠がありません
- 河川の微小プラスチック流の正確な推定は,海洋の滞在時間を決定するために不可欠です.
- 海洋環境におけるマイクロプラスチックの持続性を正確に評価するには,強力な流量データによるさらなる研究が必要です.
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