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Microplastic distribution in Surface Water and Sediments of Way Belau River, Lampung, Indonesia
Summary
This study mapped microplastic distribution in both surface water and sediments of the Way Belau River in Lampung, Indonesia. Microplastics were found throughout the river, with higher concentrations in sediments than in surface water, indicating accumulation in riverbed environments.
Abstract Microplastic research in Lampung water body is becoming concern because of its strategic location towards the Sunda Strait. The Way Belau River in surface water and sediments are one of the places to identify the potential for microplastic deposition, and to estimate the distribution of microplastics from upstream to downstream. In the surface water, the abundance of microplastics are found about 36.76 ± 21,81 particles/500 ml, and in the sediments of the Way Belau River, it showed the abundance of microplastics are about 21.03 ± 11.92 particles/100 g of dry sediment. The dominant microplastic morphologies are fragments and fibers with a size range of 20-250 µm. The results of identification of polymer types using Raman spectroscopy showed the presence of polyethylene and polypropylene plastic types.