Microplastic Risk Assessment in River Sediments along the Cascading Dam System (Case Study: Midstream of the Citarum River, Indonesia)

Several studies have shown an elevated amount of microplastics around dammed areas, indicating that the presence of in-stream barriers in riverine ecosystems could influence the fate and transport of microplastics. However, in-stream barriers have not been extensively investigated as potential cause...

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Bibliographic Details
Published in:Water, air, and soil pollution air, and soil pollution, 2023-06, Vol.234 (6), p.358, Article 358
Main Authors: Ilmi, Fikri, Muntalif, Barti Setiani, Chazanah, Nurul, Sari, Navisya Eka
Format: Article
Language:English
Subjects:
Analytical methods
Aquatic ecosystems
Atmospheric Protection/Air Quality Control/Air Pollution
Case studies
Climate Change/Climate Change Impacts
Dams
Earth and Environmental Science
Ecological risk assessment
Ecosystems
Environment
Environmental monitoring
Fluvial sediments
Fourier transforms
Fresh water
Freshwater
Freshwater ecology
Freshwater environments
Heterogeneity
Hydrogen peroxide
Hydrogeology
Infrared spectroscopy
Inland water environment
Microplastic pollution
Microplastics
Patchiness
Plastic debris
Plastic pollution
Political aspects
Pollutant load
Pollution
Pollution index
Pollution load
Risk
Risk assessment
River sediments
Rivers
Sediment
Sediments
Soil Science & Conservation
Spatial heterogeneity
Stream pollution
Water Quality/Water Pollution
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Summary:Several studies have shown an elevated amount of microplastics around dammed areas, indicating that the presence of in-stream barriers in riverine ecosystems could influence the fate and transport of microplastics. However, in-stream barriers have not been extensively investigated as potential causes of microplastic spatial heterogeneity. In this study, we measured microplastic concentration and assessed its ecological risk in rivers connected to the dam in the midstream Citarum region, West Java Province, Indonesia. Samples were processed using the digestion method using hydrogen peroxide, followed by visual counting and Fourier transform infrared spectroscopy (FTIR) validation. An average of 22.92 ± 19.94 MP particles per 100 g of dry sediment was found in midstream Citarum. We found a significant difference in microplastic concentration between the upstream and downstream of the first dam (P 
ISSN:0049-6979
1573-2932
DOI:10.1007/s11270-023-06370-0