Papers

61,005 results
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Article Tier 2

Initial investigation of microplastic pollution in river sediments at Yogyakarta City Indonesia

Researchers conducted an initial investigation of microplastic pollution in river sediments crossing Yogyakarta City in Indonesia, finding microplastics at all sampling sites. Fragment and fiber types dominated, reflecting common plastic pollution sources in this urban environment.

2021 Sustinere Journal of Environment and Sustainability 6 citations
Article Tier 2

Microplastic Abundance and Characteristics in the Bango River, Malang, Indonesia, Based on Land Use Patterns

Researchers quantified microplastic abundance and characterized particle types in the Bango River in Malang, Indonesia, finding significant contamination dominated by fragments and fibers linked to urban and agricultural sources.

2024 Environmental Engineering Science 4 citations
Article Tier 2

Assessment of Small-Scale Microplastics Abundance and Characterization in Urban River: A Case Study in Metro River, Indonesia

Researchers assessed microplastic contamination in the Metro River in Indonesia, finding that abundance and characteristics varied by land use type, with urban areas showing higher concentrations of fragments and fibers in this rapidly developing region.

2023 Journal of Engineering and Technological Sciences 9 citations
Article Tier 2

Spatial distribution of microplastic pollution and its relation to pollution index-based water quality status in Progo River, Indonesia

Researchers mapped microplastic distribution along Indonesia's heavily polluted Progo River, finding 75 to 436 plastic particles per cubic meter of water and showing that lower oxygen levels, higher organic pollution, and faster water flow all correlated with higher microplastic concentrations — evidence that plastic particles actively degrade river water quality.

2025 Emerging contaminants 3 citations
Article Tier 2

Analisis Pencemaran Mikroplastik Di Sungai Bedog Yogyakarta

Sediment samples from upstream, middle, and downstream sections of the Bedog River in Yogyakarta, Indonesia revealed microplastic contamination throughout the river, with plastic types consistent with textile, packaging, and household waste from surrounding communities.

2025 Jurnal Teknologi Technoscientia
Article Tier 2

Occurrence and visual characterization of microplastics from Mahakam River at Tenggarong City, Indonesia

Researchers detected and visually characterized microplastics in water samples from the Mahakam River near Tenggarong City, Indonesia, contributing to limited freshwater microplastic data from the country that produces approximately 7.8 million tons of plastic waste annually. Microplastics were found in river samples, with fiber and fragment morphotypes dominant, reflecting local plastic waste mismanagement.

2024 Journal of Contaminant Hydrology 9 citations
Article Tier 2

Identification of the Existence and Type of Microplastic in Code River Fish, Special Region of Yogyakarta

Researchers identified the presence and polymer types of microplastics in fish from the Code River in Yogyakarta, Indonesia, providing early evidence of microplastic contamination in riverine fish from this urban waterway.

2020 EKSAKTA Journal of Sciences and Data Analysis 24 citations
Article Tier 2

Characteristics and Abundance of Microplastics Pollution in Water and Sediment in the Bogowonto River

Sampling of Indonesia's Bogowonto River found microplastic concentrations of 127–253 particles per cubic meter in water and 100–237 particles per kilogram in sediment, with fibers the dominant shape and polyamide and polypropylene the most common polymer types. The study identifies agricultural runoff, hospital waste, and domestic sewage as key sources, and shows that the river's meander pattern concentrates microplastics at certain locations — information useful for targeting mitigation efforts.

2024 Ecological Engineering & Environmental Technology 2 citations
Article Tier 2

Unraveling Microplastic Presence in Freshwater and Sediment of Rejoso River, Indonesia

Researchers investigated microplastic presence in water and sediment of the Rejoso River in Indonesia across 12 sampling sites, characterizing the types, abundances, and distribution patterns of microplastic particles in this tropical freshwater system.

2025 Environmental Quality Management
Article Tier 2

A novel report on the occurrence of microplastics in Pekalongan River Estuary, Java Island, Indonesia

Researchers measured microplastic contamination in water and sediments of the Pekalongan River estuary in Indonesia, finding concentrations of 45.2-99.1 particles/L in water and 0.77-1.01 particles/g in sediment. Polystyrene, polyester, and polyamide were the dominant polymers, with fragments and films smaller than 1 mm accounting for the majority.

2023 Marine Pollution Bulletin 15 citations
Article Tier 2

Preliminary Study of Microplastic Abundance in Rivers of Greater Semarang Area, Indonesia

Researchers surveyed two rivers in the Semarang region of Indonesia and found microplastics at every sampling site, with concentrations increasing downstream and polyethylene sheet fragments — likely from single-use plastic bags — being the most common type, underlining the need for better waste management to reduce plastic entering waterways.

2023 International Journal of Sustainable Development and Planning 2 citations
Article Tier 2

Identifikasi Karakteristik dan Kelimpahan Mikroplastik Pada Sampel Air Kali Surabaya

This Indonesian study characterized microplastic abundance and types in water samples from the Kali Surabaya river in Surabaya. The urban waterway showed widespread plastic contamination, with sources linked to densely populated residential areas along the riverbanks.

2023 Environmental Pollution Journal
Article Tier 2

The occurrence and abundance of microplastics in surface water of the midstream and downstream of the Cisadane River, Indonesia

Researchers investigated microplastic contamination in the Cisadane River, Indonesia, finding 13 to 113 particles per cubic meter in surface water with higher abundance downstream, dominated by polyethylene, polystyrene, and polypropylene fragments from household and industrial sources.

2021 Chemosphere 101 citations
Article Tier 2

First evidence of microplastics in the water and sediment of Surakarta city river basin, Indonesia

Researchers conducted the first assessment of microplastic contamination in the water and sediments of the Surakarta city river basin in Indonesia. They found that fragments and fibers were the dominant microplastic types, with over half of the particles smaller than one millimeter. The study identified polystyrene, polyester, polyamide, and silicone polymers, with blue and black particles being the most common colors in water samples.

2023 Marine Pollution Bulletin 34 citations
Article Tier 2

Microplastic distribution in surface water and sediment river around slum and industrial area (case study: Ciwalengke River, Majalaya district, Indonesia)

Microplastics were surveyed in surface water and sediments of the Ciwalengke River in Indonesia across slum and industrial areas, finding average concentrations of 5.85 particles/L in water and 138 items/kg in sediment with fibers as the dominant form. The study is the first to examine microplastic contamination in a slum-dominated Indonesian river environment, documenting high concentrations linked to informal waste disposal.

2019 Chemosphere 433 citations
Article Tier 2

Identifikasi Kelimpahan dan Karakteristik Mikroplastik pada Air Kali Mas, Kota Surabaya

This Indonesian study characterized microplastic abundance and type in water from the Kali Mas river in Surabaya. Plastic fragments and fibers were detected throughout the urban waterway, reflecting the impact of dense residential and commercial activity on local water quality.

2023 Environmental Pollution Journal 1 citations
Article Tier 2

Abundance of Microplastics and Hazard to the Environment in Estuary Water in Pemalang, Central Java, Indonesia

Researchers measured microplastic abundance and types at five sampling locations in the estuary waters of the Pemalang River in Central Java, Indonesia, finding persistent microplastic hazards driven by local human activities and plastic waste inputs.

2023 IOP Conference Series Earth and Environmental Science 5 citations
Article Tier 2

Characterization of Microplastics in Jakarta’s Urban Downstream and Estuary Water Bodies

Researchers characterized microplastic contamination in urban water bodies of Jakarta -- specifically Sunter River, Buaran River, and Marunda Estuary -- which serve as conduits for plastic waste to the ocean. Microplastics were abundant in all sampled water bodies, with fiber and fragment morphotypes dominant, reflecting the high density of urban plastic sources in the surrounding catchments.

2024 Ecological Engineering & Environmental Technology 1 citations
Article Tier 2

Analysis of Microplastics in Water and Biofilm Matrices in Metro River, East Java, Indonesia

Researchers detected microplastics in both water and biofilm matrices across three stations of the Metro River in East Java, Indonesia, with the industrial activity station showing the highest contamination, and fibers being the most common particle shape identified.

2022 The Journal of Experimental Life Sciences 7 citations
Article Tier 2

Assessment of Microplastic Pollution in Surface Water within a Densely Populated Area of the Kranji River Basin in Purwokerto, Indonesia

Researchers assessed microplastic pollution in the surface water of the Kranji River Basin in Purwokerto, Indonesia, a densely populated urban area, characterising particle abundance, morphology, colour, and polymer type. The study documented widespread microplastic contamination and identified key sources associated with urban population density, waste management practices, and proximity to human settlements.

2025
Article Tier 2

Analysis of Microplastic Contamination on Water and Sediment in the Brantas Subwatershed of the Malang Area

This Indonesian study (published in Bahasa Indonesia) analyzed microplastic contamination in both water and sediment of the Brantas River sub-watershed in the Malang area, one of the most important river systems in East Java. Microplastics were found in both water and sediment samples across sampling locations, with fibers being a dominant form. The Brantas River supports millions of people for drinking water and irrigation, making evidence of microplastic contamination in this system a significant public health and environmental concern.

2025 Jurnal Perikanan Unram 1 citations
Article Tier 2

Microplastic pollution in lower Cimandiri River, Indonesia: early detection on the occurrence, abundance and distribution

Microplastics were detected in the lower Cimandiri River in Indonesia, with abundance and distribution varying along the river's length from upstream to the estuary. Fragment shapes dominated, suggesting degradation of larger plastic debris. The study provides early baseline data on river microplastic pollution in a developing region of Indonesia.

2022 IOP Conference Series Earth and Environmental Science 7 citations
Article Tier 2

Presence of microplastics in surface waters and sediments of urban tropical river: A case study in the Karang Mumus River along Samarinda City, Indonesia

Researchers found microplastics in every water and sediment sample collected from an urban tropical river in Samarinda, Indonesia, with polyethylene being the most common plastic type and films being the most frequent shape. This first study of the river provides a baseline for understanding microplastic pollution in under-studied tropical urban waterways in Southeast Asia.

2024 Ecological Engineering & Environmental Technology 1 citations
Article Tier 2

Microplastic pollution in the water and sediment of Krukut River, Jakarta, Indonesia

Researchers collected water and sediment samples from upstream, middle, and downstream sites in the Krukut River in Jakarta, Indonesia, and used density separation and microscopy to quantify microplastics. They found that microplastic abundance increased downstream, with fibers dominating in water and pellets in sediment, and downstream concentrations reaching 265 particles per 100 mL in water and 150 particles per kg dry weight in sediment.

2022 IOP Conference Series Earth and Environmental Science 10 citations