Comparative Analysis of Plastic Pieces in Basin, River and Coast: Case Study in the Hikiji River Basin, Kanagawa Prefecture

MISHIMA Satoko, OZAWA Kenji, NAKAYAMA Shunichi, KIKUCHI Hiromi, NAMBA Ayumi, KATAOKA Tomoya, NIHEI Yasuo

doi:10.2965/jswe.45.11

Bibliographic Information

Other Title

流域～河川～海岸におけるプラスチック片堆積状況の比較解析の試み～神奈川県引地川流域を例に～
リュウイキ~カセン~カイガンニオケルプラスチックヘンタイセキジョウキョウノヒカクカイセキノココロミ : カナガワケンヒキジガワリュウイキオレイニ

Search this article

Description

<p>Research on plastic debris in the ocean and rivers is being vigorously conducted, but there is little research on the dynamics of plastic from the basin, which is one of the sources of plastic waste, to rivers and coasts. In this study, we conducted a field survey of basins (roads) , rivers, and coasts in the Hikichi River basin, Kanagawa Prefecture, with the aim of clarifying the dynamics of plastic pieces in the basin, river, and coast. From the results of the sample particle recovery test, the target size of the plastic piece in this study was set to be > 1 mm. The results indicated that the numerical and mass concentration of plastic pieces in the road dust between districts considered were significantly higher in the commercial and residential areas, respectively, mainly because of the difference in plastic piece size distribution. A comparison of plastic materials on roads, rivers, and coasts showed that polyethylene (PE) , polypropylene (PP) , and polystyrene (PS) , which have low specific gravity, were predominant in the river and materials washed up on the coast, but not significant in the road dust.</p>

Journal

Journal of Japan Society on Water Environment

Journal of Japan Society on Water Environment 45 (1), 11-19, 2022

Japan Society on Water Environment

Keywords

Details 詳細情報について

Export

Report a problem