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61,005 resultsShowing papers similar to A Spatial Model of Microplastic Pollution Mitigation as an Effort to Preserve the Brantas River Ecosystem
ClearCorrelation of Microplastic Size Distribution and Water Quality Parameters in the Upstream Brantas River
Researchers surveyed microplastic abundance and size distribution in the upstream Brantas River in Indonesia and analyzed correlations with water quality parameters, finding that smaller microplastic fragments were most prevalent and that microplastic levels related to several water quality indicators. The study contributes baseline data for managing plastic pollution in Indonesian river systems.
Distribution and mitigation efforts for microplastic pollution in Kendari bay as the mainstay coastal tourism area of Southeast Sulawesi
This study mapped the distribution of microplastic pollution in Kendari Bay in Indonesia and evaluated mitigation options. The bay, which serves as a tourism hub, showed significant plastic contamination, with debris concentrated in areas closest to urban and fishing activities.
Identifying the distribution and source of riverine plastic waste contamination: case study of Brantas River in Malang city
Researchers investigated microplastic concentrations and macroinvertebrate communities at three stations along the Brantas River in Malang City, Indonesia, integrating microplastic counts, SIGNAL-2 bioassessment scores, and household waste management surveys. The highest microplastic burden and lowest macroinvertebrate diversity occurred at the station where 80% of residents disposed of plastic waste directly into the river.
Modeling the fate of microplastics in the Sengkarang Estuary, Pekalongan City, Central Java, Indonesia
Researchers measured microplastic concentrations in water and sediment at the mouth of the Sengkarang River in Indonesia and built a hydrodynamic model to track how tidal currents, wind, and river flow distribute the particles. Microplastics were highest in coastal waters and mangrove sediments, with tides and currents driving horizontal transport and concentrating particles in biologically sensitive habitats. The modeling approach offers a practical framework for predicting where microplastics accumulate and informing pollution management in river-to-sea systems.
The contribution of estuaries to the abundance of microplastics in Jakarta Bay, Indonesia
Researchers found that rivers draining into Jakarta Bay are a major source of microplastics, with polyethylene fragments in the 300-500 micrometer size range dominating, and that spatial variation in abundance across nine estuaries reflects differences in local land use and waste management.
Relative contributions of different local sources to riverborne microplastic in a mixed landuse area within a tropical catchment
Researchers quantified the relative contributions of different land-use sources to riverborne microplastics in a tropical catchment, providing data to help prioritize pollution reduction measures for protecting human and ecological health.
Spatial distribution of microplastic in sediment of the Citanduy River, West Java, Indonesia
This study mapped the spatial distribution of microplastics in sediments along the Citanduy River in West Java, Indonesia, finding widespread contamination that varied by location and land use. Rivers like the Citanduy act as conveyor belts carrying microplastics from inland areas to coastal and marine environments.
Seasonal Variation Analysis of Microplastic Distribution in the Estuary of Brantas River
Microplastic abundance in the Brantas River estuary in Surabaya, Indonesia, varied with the seasons, rising during rainy periods when increased runoff carries more plastic debris from land into the waterway. Because Brantas River water is used for drinking water supply and irrigation, understanding seasonal peaks in microplastic loading is critical for managing exposure risks for both humans and agricultural ecosystems.
Distribution of microplastics in Lusi Island, Sidoarjo, Indonesia
Researchers surveyed microplastic distribution on Lusi Island in Sidoarjo, Indonesia, which sits downstream of the Brantas River. The study provides baseline data on microplastic contamination levels in this coastal area, highlighting the role of river runoff as a key pathway for plastic pollution reaching island environments.
Spatial Dynamics of Microplastic Pollution in Water and Sediments of the Ciliwung River along with Conditions of Water Quality Field Parameters and Population Density
This study mapped the spatial distribution of microplastics in water and sediment across Indonesia's heavily populated Ciliwung River, finding significant contamination linked to population density and land use. The dominant types were fragments and fibers from textiles and synthetic materials, with concentrations varying along the river's length. The results underscore the threat that densely settled riverine systems pose as conduits of microplastic pollution into coastal and marine environments.
Point-source microplastic input to the river and coastal zone via wastewater treatment facilities: a case study from a tropical mega-city
Point-source inputs of microplastics from a specific industrial or municipal source were quantified in both a river and the adjacent coastal zone. The study links land-based pollution sources to downstream and coastal microplastic concentrations, supporting targeted source-control interventions.
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.
Microplastics on Santos Beach: Sources of Pollution, Waste Characteristics and Possible Collection Solutions
This Brazilian study mapped and characterized microplastic contamination on Santos beach near submarine sewage outfalls and storm drains, finding plastic pollution hotspots linked to coastal discharge infrastructure. The authors estimated that ~60 tons of solid waste enter the sea daily in the region and identified possible collection solutions.
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.
High-Resolution Mapping of Japanese Microplastic and Macroplastic Emissions from the Land into the Sea
Researchers developed a high-resolution method to map microplastic and macroplastic emissions from Japanese river catchments into the sea, using correlations between observed river concentrations and basin characteristics such as urban area ratio and population density to generate nationwide plastic emission estimates.
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.
Mitigation of marine debris from land: Formulation of the best options for managing marine debris in the coastal city of Manado, Indonesia
This study analyzes marine debris sources and management options in Manado City, Indonesia, with the goal of protecting the adjacent Bunaken Marine Park. Effective coastal debris management is essential for reducing the flow of plastic waste — a precursor to microplastics — into sensitive marine protected areas.
Microplastics in the Water of Batang Anai Estuary, Padang Pariaman Regency, Indonesia: Assessing Effects on Riverine Plastic Load in the Marine Environment
Researchers surveyed microplastic pollution in the Batang Anai River estuary in Indonesia, analyzing water samples from three locations. They found microplastics at all sampling points, with fibers being the dominant shape and particles mostly in the smaller size ranges. The study highlights how rivers act as pathways carrying land-based plastic pollution into the marine environment.
Identification of Microplastic Abundance in Indonesia's Coastal Regions: A Review
This review assessed microplastic abundance across Indonesia's coastal regions, synthesizing studies from rivers, seas, and lakes to document the extent of MP pollution in this archipelago nation with high plastic waste generation and limited waste management infrastructure.
Integrating Field Data and Numerical Modeling to Assess Microplastic Distribution in the Aquatic Environment of Ha Long Bay, Vietnam
Researchers combined field sampling with computer modeling to map microplastic distribution in Ha Long Bay, Vietnam, finding the highest concentrations in coastal zones near cities and industries, while islands naturally blocked plastic from spreading offshore. The study identified cruise tourism, coal mining, and coastal development as key pollution sources, and recommends plastic capture at river mouths to protect the bay.
Strategic action for waste management in Manado City to prevent marine debris input to Manado Bay: a preliminary study
Researchers conducted a preliminary assessment of waste management practices in Manado City, Indonesia, to identify strategic actions for preventing marine debris from entering Manado Bay. The study recommended both short-term mitigation and long-term management interventions to reduce the ecological, public health, and aesthetic impacts of marine debris in this coastal urban environment.
Spatial Distribution and Ecological Risk of Microplastic Contamination in River Water Near a Landfill Leachate Disposal Area: A Case Study of Supit Urang Landfill, Malang City, Indonesia
Researchers mapped the spatial distribution and ecological risk of microplastic contamination across river sediments in a Chinese river system, finding risk levels varied with proximity to urban centers and industrial zones, and that certain polymer types posed elevated ecological hazard.
Concentration, distribution, and characteristics of microplastic in estuary, coast and marine organisms in Indonesia: A Preliminary Review
This preliminary review mapped microplastic concentrations and characteristics in estuaries, coastal sediments, and marine organisms across Indonesia based on published studies. Microplastics were widespread across all compartments studied, with fibers dominant in many locations. The review identifies significant data gaps and calls for more coordinated monitoring to understand Indonesia's marine plastic pollution problem.
Major sources and monthly variations in the release of land-derived marine debris from the Greater Jakarta area, Indonesia
This study tracked monthly variations in marine debris discharged from the Greater Jakarta area in Indonesia, identifying land-based sources including rivers and coastal communities as major contributors. Peak discharge events correlated with rainfall patterns, highlighting the importance of monsoon-season waste management in reducing ocean plastic pollution.