Catchment scale assessment of macroplastic pollution in the Odaw river, Ghana

Rose Boahemaa Pinto*, Linda Bogerd, Martine van der Ploeg, Kwame Duah, Remko Uijlenhoet, Tim H.M. van Emmerik

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

Catchment-scale plastic pollution assessments provide insights in its sources, sinks, and pathways. We present an approach to quantify macroplastic transport and density across the Odaw catchment, Ghana. We divided the catchment into the non-urban riverine, urban riverine, and urban tidal zones. Macroplastic transport and density on riverbanks and land were monitored at ten locations in December 2021. The urban riverine zone had the highest transport, and the urban tidal zone had the highest riverbank and land macroplastic density. Water sachets, soft fragments, and foam fragments were the most abundant items. Our approach aims to be transferable to other catchments globally.

Original languageEnglish
Article number115813
Number of pages12
JournalMarine Pollution Bulletin
Volume198
DOIs
Publication statusPublished - 2023

Keywords

  • Catchment
  • Hotspot
  • Land
  • Macroplastic pollution
  • River
  • Riverbank

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