COMPARISON OF ANTHROPOGENIC DEBRIS FLUX IN VARIOUS FLOODS WITH CONTINIOUS MONITORING OF IP CAMERA AND IMAGE ANALYSIS

DOI Web Site 2 Citations 10 References Open Access
  • YOSHIDA Takushi
    八千代エンジニヤリング(株) 事業統括本部 国内事業部 環境計画部
  • FUJIYAMA Tomoki
    (株)日水コン 河川事業部西部河川部
  • KATAOKA Tomoya
    愛媛大学大学院 理工学研究科生産環境工学専攻
  • OGATA Riku
    八千代エンジニヤリング(株) 技術創発研究所
  • NIHEI Yasuo
    東京理科大学 理工学部土木工学科

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Other Title
  • IPカメラ連続観測と画像解析手法に基づく複数出水時の河川人工系ごみ輸送特性の比較

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<p> Plastic pollution is a global environmental problem, and it is necessary to understand the fluxes of macroplastics (> 5 mm) from rivers to the sea. We developed a monitoring system for quantifying anthropogenic debris flux by applying an image analysis into video images captured by a IP camera system. The image analysis made the color differences among water surface, natural debris and anthropogenic debris clear. We have conducted continuous measurements of anthropogenic debris flux in the Tenpaku River and its drainage channel during 34 flood events. Anthropogenic debris flux in rising stages significantly increased comparing with those in falling stages. The mean concentration of anthropogenic debris in the rising stages was significantly related to antecedent precipitation index (API).</p>

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