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61,005 resultsShowing papers similar to Spatial distribution of meso and microplastics in the sediments of river Ganga at eastern India
ClearCharacteristics and spatial distribution of microplastics in the lower Ganga River water and sediment
Researchers sampled microplastics in water and sediment at five cities along India's Ganga River, finding concentrations of 17–36 items/kg in sediment and 380–684 items/1000 m in water, with white film-shaped polyethylene particles as the dominant type.
Microplastics assessment in the lower stretch of the Ganga River sediment from East Indian region: Influence of land use and rainfall patterns
This study investigated microplastic pollution in sediments along the lower Ganga River in East India, finding that land use type and seasonal rainfall patterns significantly influence the abundance and distribution of microplastics across different stretches of the river.
Insights into the seasonal variation, distribution, composition and dynamics of microplastics in the Ganga River ecosystem of Varanasi City, Uttar Pradesh, India
Researchers measured microplastic pollution in the Ganga River in Varanasi, India, and found contamination in both water and sediment samples across all seasons. Concentrations were higher after the monsoon season, with common plastics like polyethylene terephthalate, polyester, and PVC dominating the samples. Since the Ganga is used for drinking water, bathing, and agriculture by millions of people, this contamination raises direct concerns about human exposure to microplastics.
Microplastic in upper Himalayan Ganga river: Occurrence, seasonal dynamics and ecological risk
Researchers quantified microplastics at 19 sites across the upper Himalayan Ganga River over six months, finding concentrations of 100–1,550 particles per liter in water and rising contamination levels downstream toward densely populated cities, with fibers, polyethylene, and post-monsoon conditions dominating the pollution profile.
Sources and factors influencing microplastic concentration during monsoon season in the Ganga River, Bihar, India
Researchers investigated sources and factors influencing microplastic concentrations in the Ganga River during monsoon season, finding that untreated residential and industrial waste from major Indian cities contributes significantly to contamination of one of the world's most biodiverse rivers.
Microplastic Pollution in Ganga: Present Status and Future Need
This review documents the growing problem of microplastic pollution in the Ganges River in India, finding that the river is heavily contaminated with plastic particles from urban and industrial sources, threatening one of the world's most ecologically and culturally important waterways.
Urbanization and population resources affect microplastic concentration in surface water of the River Ganga
Researchers found that microplastic concentrations in River Ganga surface water were significantly higher near urbanized and densely populated areas, with fibers and fragments being the dominant types, indicating that urbanization and population density are key drivers of riverine microplastic pollution.
Microplastic Contamination in Groundwater Aquifers along the Ganga River Basin: A Comprehensive study from Devprayag to Gangasagar, India
Researchers investigated microplastic contamination in groundwater aquifers along the Ganga River basin from Devprayag to Gangasagar, India, detecting microplastics at all sampling sites and linking contamination levels to population density and river proximity.
Sources and Factors Influencing Microplastic Concentration during Monsoon Season in Ganga River, Bihar, India
Researchers investigated sources and factors influencing microplastic concentrations in the Ganga River in Bihar, India during the monsoon season, examining how untreated residential and industrial waste discharge and traffic-related runoff affect plastic particle loads in one of the world's most biodiverse river systems. The study found elevated microplastic concentrations during monsoon flows, with urbanization and inadequate waste management identified as key drivers of microplastic inputs to the river.
First report on microplastics in tributaries of the upper Ganga River along Dehradun, India: Quantitative estimation and characterizations
Researchers quantified microplastics in tributaries of the upper Ganga River near Dehradun, India, finding significant contamination in both water and sediments dominated by fibers and fragments, providing the first baseline data for this ecologically important region.
Microplastics abundance in major tributaries and distributaries of the river Ganga at lower estuarine stretch
Researchers investigated microplastic prevalence and characteristics in eight major tributaries and distributaries of the Ganga River at its lower estuarine stretch, India, analysing water and sediment samples by polymer type, shape, and color. Highly urbanised and industrialised waterways including Adi Ganga and Jalangi showed the highest contamination (up to 97.66 items/L in water), with PET dominant in water and polystyrene in sediment, and annual MP flux from the Damodar River estimated at significant quantities.
Microplastics in the River Ganga and its fishes: Study of a Himalayan River
This study investigated microplastic contamination in water, sediment, and fish in the upper stretch of the River Ganga in Uttarakhand, India, providing baseline data on microplastic distribution in a Himalayan river reach previously unstudied.
Distribution of microplastics in shoreline water and sediment of the Ganges River Basin to Meghna Estuary in Bangladesh
Researchers measured microplastic contamination along the Ganges River from the India-Bangladesh border to the Meghna Estuary in Bangladesh. They found microplastics at every sampling point, with higher concentrations downstream, indicating pollution accumulates as the river flows through populated areas. The overall pollution level was rated higher than other studies in Bangladesh, raising concerns for the millions of people who depend on this water.
Microplastic pollution in the Ganga River: A state-of-the-art review of pathways, mechanisms, and mitigation
This review examines microplastic pollution in India's Ganga River, which sustains hundreds of millions of people, identifying sources from industrial discharge, agricultural runoff, and inadequate waste management. Microplastics in the river threaten aquatic life through ingestion and bioaccumulation and ultimately affect the communities that rely on the river for drinking water and food. The study calls for comprehensive management strategies to protect both ecological and public health.
Seasonal Dynamics of Microplastic Pollution in the River Ganga: A Case Study from Bihar
Researchers sampled microplastics at three locations along the Ganga River in Bihar, India, comparing concentrations before and after the monsoon season. Pre-monsoon levels averaged 1,045 particles per sample versus 624 post-monsoon, with higher dry-season concentrations attributed to reduced river flow and concentrated human activity near the riverbanks.
A comprehensive assessment of macro and microplastics from Rivers Ganga and Yamuna: Unveiling the seasonal, spatial and risk factors
This study provides the first comprehensive look at plastic pollution in India's Ganga and Yamuna rivers, finding microplastics in surface water, deeper water, and sediments at all sampling locations. Contamination was higher during the wet season, and some of the polymers found are classified as hazardous. The millions of people living in the Indo-Gangetic Plain may be at risk from both direct water contact and indirect exposure through the food chain.
Baseline Study on Microplastics in Indian Rivers under Different Anthropogenic Influences
Researchers collected microplastic samples from Indian rivers under different levels of anthropogenic influence and found MPs in all sites, with concentrations correlating with population density and industrial activity, providing one of the first systematic field datasets for major Indian river systems.
Assessment, characterization, and quantification of microplastics from river sediments
Researchers assessed microplastic contamination in sediments from 14 sites along the Kaveri River in South India, characterizing particle types, sizes, and polymer compositions to quantify the extent of microplastic pollution in this freshwater system.
The seasonal variation and ecological risk of microplastics in the Lower Ganges River, Bangladesh
Researchers characterized seasonal variation in microplastic abundance and polymer composition in the lower Ganges River, finding that monsoon flows dramatically increase microplastic loads and that dry season concentrations reflect local urban pollution.
Investigation of microplastic contamination in the sediments of Noyyal River- Southern India
Researchers documented microplastic contamination across 15 sites in the urban Noyyal River in southern India, finding concentrations up to 6,500 particles per cubic meter in dried sediments, with fragments and fibers in a variety of colors the most common forms.
Abundance, characterization, and removal of microplastics in different technology-based sewage treatment plants discharging into the middle stretch of the Ganga River, India
Researchers assessed microplastic abundance, characteristics, and removal efficiency at sewage treatment plants discharging into the Ganga River in India, finding microplastic concentrations in influent and effluent varied by treatment technology. The study highlighted that Indian STPs need improved characterization of their microplastic discharge to the Ganga.
The distribution and characterisation of microplastics in air, surface water and sediment within a major river system
Researchers conducted the first simultaneous comparison of microplastic pollution in air, water, and river sediment along the entire length of the Ganges River system. They found microplastics present in all three environmental compartments, with the highest concentrations in sediment, suggesting rivers act as long-term sinks. The study provides important baseline data for understanding how microplastics move through major river systems from source to sea.
Seasonal variation in abundance and characteristics of microplastic in sewage sludge from major cities across the upper stretch of River Ganga, India
Researchers tracked seasonal changes in microplastic contamination in sewage sludge from wastewater treatment plants along the upper Ganga River in India. They found that microplastic abundance in sludge varied significantly across monsoon, pre-monsoon, and post-monsoon seasons, with fibers being the dominant type year-round. The study reveals that sewage sludge is a major pathway for microplastic contamination of agricultural soils when used as fertilizer.
Occurrence of plastics and their characterization in wild caught fish species (Labeo rohita, Wallago attu and Mystus tengara) of River Ganga (India) compared to a commercially cultured species (L. rohita)
Researchers analyzed nine wild-caught fish species from two sites along the River Ganga in Patna, India, detecting plastics in gastrointestinal tracts, liver, gills, and muscles, providing rare data on plastic contamination in one of the world's most polluted rivers.