Papers

20 results
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Article Tier 2

Microplastics in glaciers of Tibetan Plateau: Characteristics and potential sources

Researchers found microplastics in glaciers across the Tibetan Plateau, one of the most remote regions on Earth, with an average of about 339 particles per liter of snow. The plastics likely traveled through the atmosphere from distant populated areas, showing that microplastic pollution is truly global. Since these glaciers feed major rivers that supply drinking water to billions of people in Asia, this contamination has direct implications for human health.

2024 The Science of The Total Environment 11 citations
Article Tier 2

Microplastics in a remote lake basin of the Tibetan Plateau: Impacts of atmospheric transport and glacial melting

Researchers investigated microplastic contamination in a remote Tibetan Plateau lake basin, finding that both atmospheric transport via rainfall and glacial melting contribute microplastics to this pristine environment, with concentrations increasing in glacial meltwater areas.

2022 112 citations
Article Tier 2

Microplastics in glaciers of the Tibetan Plateau: Evidence for the long-range transport of microplastics

Researchers discovered microplastics in glaciers on the Tibetan Plateau, one of the most remote regions on Earth. The presence of plastic particles at such high altitudes and far from population centers provides strong evidence that microplastics can travel long distances through the atmosphere, making this a truly global pollution problem.

2020 The Science of The Total Environment 352 citations
Article Tier 2

Microplastics in a Remote Lake Basin of the Tibetan Plateau: Impacts of Atmospheric Transport and Glacial Melting

Microplastics were found in a remote Tibetan Plateau lake basin and the researchers identified both long-range atmospheric transport and glacial meltwater as delivery pathways, with meltwater becoming an increasingly significant release mechanism as climate-driven glacier retreat accelerates.

2021 Environmental Science & Technology 97 citations
Article Tier 2

Microplastics in the himalayan glaciers: a looming environmental threat

This review assessed microplastic contamination detected in Himalayan glaciers, highlighting the threat these particles pose to a critical freshwater source. The presence of microplastics in such remote, high-altitude ecosystems underscores how far airborne and atmospheric transport can carry pollution.

2024 Zenodo (CERN European Organization for Nuclear Research)
Article Tier 2

Microplastic pollution characteristics and its future perspectives in the Tibetan Plateau

Researchers reviewed microplastic pollution on the Tibetan Plateau, one of the most remote places on Earth, and found plastic particles in rivers, lakes, soil, snow, and even the atmosphere near Mount Everest. While concentrations are lower than in populated areas, the presence of microplastics in such a remote region shows how far these pollutants can travel through air and water currents. The findings underscore that microplastic contamination is truly a global problem with no pristine environments left untouched.

2023 Journal of Hazardous Materials 95 citations
Article Tier 2

Spatial characteristics of microplastics in the high-altitude area on the Tibetan Plateau

Researchers surveyed microplastic contamination across water bodies and sediments on the Tibetan Plateau, one of the most remote high-altitude regions on Earth, and found microplastics in every sample tested. Contamination levels were highest in turbid rivers and agricultural channels, and decreased at higher altitudes where there is less human activity. The study highlights that even remote, high-altitude areas are not free from microplastic pollution.

2021 Journal of Hazardous Materials 104 citations
Article Tier 2

Airborne microplastics in urban, rural and wildland environments on the Tibetan Plateau

Researchers measured airborne microplastic concentrations across urban, rural, and remote wildland sites on the Tibetan Plateau and found microplastics present at all locations, even in pristine high-altitude environments. Urban areas had the highest concentrations, but the presence of microplastics in remote wilderness areas demonstrates long-range atmospheric transport. The study provides some of the first data on airborne microplastic pollution in one of the world's most isolated high-mountain regions.

2023 Journal of Hazardous Materials 62 citations
Article Tier 2

Microplastic convergence in high-altitude lakes of the Tibetan Plateau: Mechanisms, indicators, and risk stratification

Researchers assessed microplastic pollution in 14 high-altitude freshwater lakes above 4,500 meters on the Tibetan Plateau, a region far from major human activity. Microplastics were detected at every site, with PET as the dominant polymer type, suggesting long-range atmospheric transport and local textile sources. The study developed a geospatial risk model showing that precipitation, surface runoff, and proximity to roads are key factors driving microplastic accumulation even in these remote environments.

2026 Journal of Hazardous Materials
Article Tier 2

Microplastics in Qinghai-Tibet Plateau and Yunnan-Guizhou Plateau lakes, China

Researchers surveyed microplastic pollution in lakes across two major Chinese plateaus and found contamination even in these remote, high-altitude environments. Lakes near more human activity (Yunnan-Guizhou Plateau) had significantly higher microplastic levels than the more remote Qinghai-Tibet Plateau, with sewage, agriculture, and fishing being the main sources. The study shows that microplastic pollution reaches even supposedly pristine environments, largely through human activity and atmospheric transport.

2024 The Science of The Total Environment 35 citations
Article Tier 2

Microplastics and nanoplastics pose risks on the Tibetan Plateau environment

This study documented that microplastics and nanoplastics have reached the Tibetan Plateau through long-range atmospheric transport, threatening one of the world's last relatively pristine environments. The findings highlight the global reach of plastic pollution beyond local sources.

2023 Science Bulletin 21 citations
Article Tier 2

Microplastics Footprints in a High-Altitude Basin of the Tibetan Plateau, China

Microplastics were detected in surface waters and sediments of a remote high-altitude basin on the Tibetan Plateau, with fibers as the dominant type and atmospheric deposition identified as the likely primary transport pathway to this pristine area far from direct human activity.

2021 Water 13 citations
Article Tier 2

Microplastic pollution in the Himalayas: Occurrence, distribution, accumulation and environmental impacts

This review documents microplastic contamination throughout the Himalayan region, from mountain glaciers and rivers to remote high-altitude locations. Microplastics reach these areas through wind, precipitation, tourism waste, and river transport, and can become trapped in glacial ice before being released during snowmelt. The findings show that even one of the most remote places on Earth is not free from microplastic pollution, with implications for the billions of people who depend on Himalayan rivers for drinking water.

2023 The Science of The Total Environment 110 citations
Article Tier 2

Microplastic contamination in lacustrine sediments in the Qinghai-Tibet Plateau: Current status and transfer mechanisms

Researchers investigated microplastic contamination in lacustrine sediments across the Qinghai-Tibet Plateau, finding abundances ranging from 17 to 2,644 items/kg dry weight and identifying atmospheric deposition and river transport as key transfer mechanisms to these remote high-altitude lakes.

2022 China Geology 7 citations
Article Tier 2

Spatial distribution of microplastic contamination on alpine glaciers

Researchers characterized microplastic contamination in the supraglacial debris of 13 Alpine glaciers spanning Italy, France, Switzerland, and Austria, collecting 70 debris samples to investigate atmospheric deposition as the primary mechanism by which microplastics reach these remote high-altitude environments.

2024 Zenodo (CERN European Organization for Nuclear Research)
Article Tier 2

Environmental fate of microplastics in high-altitude basins: the insights into the Yarlung Tsangpo River Basin

Researchers mapped microplastic pollution across the Yarlung Tsangpo River Basin in Tibet, finding contamination in water, sediment, and soil even in remote high-altitude areas. Below 4,000 meters, human activity was the main source, while above 4,500 meters, microplastics arrived through the atmosphere. The study shows that microplastic pollution has reached some of Earth's most remote regions, meaning no freshwater source is truly free from contamination.

2024 Journal of Environmental Management 13 citations
Article Tier 2

First insights into plastic and microplastic occurrence in biotic and abiotic compartments, and snow from a high-mountain lake (Carnic Alps)

This study provided first data on plastic and microplastic occurrence in both biotic and abiotic samples from high-mountain lakes on the Tibetan Plateau, one of the most remote freshwater ecosystems on Earth. Plastics larger than 5 mm and microplastics were found in lake water and biota, demonstrating that even pristine high-altitude freshwater systems are not free from plastic contamination.

2020 Chemosphere 132 citations
Article Tier 2

Long-range transport of atmospheric microplastics deposited onto glacier in southeast Tibetan Plateau

Researchers analyzed microplastics in snowpit samples from Demula glacier in the southeast Tibetan Plateau, finding an average of 9.55 particles per liter with seasonal variation showing higher concentrations during the monsoon season. Backward trajectory modeling indicated the particles originated from long-range atmospheric transport from South and East Asian sources, and meltwater exports were estimated at 5.9 to 6.6 times 10 to the 11 particles per year.

2022 Environmental Pollution 73 citations
Article Tier 2

Microplastics in the himalayan glaciers: a looming environmental threat

This review summarized evidence for microplastic contamination in Himalayan glaciers and discussed the implications for the freshwater resources these glaciers supply to millions of people. Microplastic accumulation in glacial ice represents a time-delayed release of pollution into downstream water systems as glaciers melt.

2024 Zenodo (CERN European Organization for Nuclear Research)
Article Tier 2

Microplastic pollution in the rivers of the Tibet Plateau

Researchers collected water and sediment samples from rivers on the Tibet Plateau and found microplastic contamination even in this remote, sparsely populated region. The microplastics included fibers and fragments from synthetic textiles and packaging, likely transported by atmospheric deposition and human activity along river corridors. The study demonstrates that microplastic pollution has reached some of the most isolated freshwater systems on Earth.

2019 Environmental Pollution 545 citations