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61,005 resultsShowing papers similar to The impact of extreme weather events on microplastics in intertidal sediments within a coastal embayment.
ClearInfluence of 2015 flood on the distribution and occurrence of microplastic pellets along the Chennai coast, India
Researchers compared microplastic pellet abundance on the Chennai coast before and after a major 2015 flood and found a threefold increase in pellet density post-flood, attributing the surge to urban river runoff carrying fresh plastic debris — demonstrating that extreme rainfall events are significant episodic drivers of coastal microplastic pollution.
Storm events as key moments of microplastic contamination in aquatic ecosystems
Researchers monitored microplastic concentrations in waterways before, during, and after storm events and found that storm-driven runoff caused major spikes in microplastic abundance, identifying storm events as key transport moments that standard monitoring programs typically miss.
Impacts of extreme weather events on microplastic distribution in coastal environments
Researchers conducted a year-long survey in Hong Kong to study how extreme weather events affect microplastic distribution in coastal environments. They found that typhoons and rainstorms dramatically increased microplastic levels, with abundance jumping 5 to 36 times higher after major storms. The study suggests that extreme weather is the primary driver of seasonal variation in coastal microplastic pollution, which has implications as these events become more frequent.
Microplastic Variations in Land-Based Sources of Coastal Water Affected by Tropical Typhoon Events in Zhanjiang Bay, China
Researchers analyzed the abundance, composition, diversity, and flux of microplastics from three estuaries and one sewage outlet in Zhanjiang Bay, China, before and after tropical typhoon events, finding a 3.6-fold increase in microplastic abundance from land-based sources following typhoons. The study links increased stormwater discharge during typhoons to elevated microplastic loading in coastal waters, highlighting how climate-driven extreme weather amplifies plastic pollution.
How microplastics quantities increase with flood events? An example from Mersin Bay NE Levantine coast of Turkey
Sampling before and after major flood events in Mersin Bay, Turkey showed that microplastic concentrations in coastal waters increased significantly following floods, likely due to transport of plastic waste from land. The results provide direct evidence that extreme rainfall events can rapidly escalate microplastic pollution in coastal marine environments.
Typhoons increase the abundance of microplastics in the marine environment and cultured organisms: A case study in Sanggou Bay, China
Typhoon events in Sanggou Bay, China were found to sharply increase microplastic abundance in seawater and cultured organisms, suggesting that extreme weather is an underappreciated driver of episodic microplastic pollution in coastal zones.
Storm Response of Fluvial Sedimentary Microplastics
Researchers investigated how storm events affect microplastic concentrations in river sediments, finding that flood conditions remobilize stored particles and significantly increase microplastic loads in fluvial systems. The study identified key physical controls on microplastic storage and transport in river channels.
Plastic After an Extreme Storm: The Typhoon-Induced Response of Micro- and Mesoplastics in Coastal Waters
Surveys conducted before and after a typhoon in Sagami Bay, Japan found that the storm significantly altered concentrations and characteristics of micro- and mesoplastics in coastal waters approximately 30 km offshore, demonstrating that extreme storms are important drivers of plastic redistribution at sea.
The Effects of Rainfall Events on the Composition and Diversity of Microplastics on Beaches in Xiamen City on a Short-Term Scale
Short-term monitoring around rainfall events on Xiamen City beaches found that precipitation increased the number and diversity of microplastics in beach sediments, pointing to storm runoff as a major delivery mechanism.
Microplastic occurrence in the northern South China Sea, A case for Pre and Post cyclone analysis
Researchers analyzed microplastic contamination in the northern South China Sea before and after a cyclone, finding that the storm event significantly altered microplastic distribution patterns in both coastal seawater and sediments.
Microplastic dynamics along an extreme flood event in a peri-urban stream
Researchers monitored microplastic dynamics in a peri-urban stream at high temporal resolution during an extreme flood event, finding that MP concentrations and fluxes varied dramatically throughout the event in ways not captured by pre- and post-event sampling alone.
The fate of marine microplastics in the swash zone
Researchers found that storms in the Baltic Sea swash zone dramatically increase both microplastic and mesoplastic concentrations in seawater — with average mesoplastic abundance 35.6 times higher during storms — while also driving fragmentation of larger plastic particles into smaller microplastics, as evidenced by a post-storm decrease in average fiber length.
Change in microplastic concentration during various temporal events downstream of a combined sewage overflow and in an urban stormwater creek
Researchers examined how microplastic concentrations in urban waterways changed during rain events, snowmelt, and combined sewage overflow episodes, finding that stormwater runoff and sewer overflows substantially increase microplastic loads, with event type and intensity influencing concentration patterns.
Typhoon-induced turbulence redistributed microplastics in coastal areas and reformed plastisphere community
Researchers studied how Typhoon Wipha affected microplastic distribution and the microbial communities living on plastic surfaces in coastal waters near Shenzhen, China. They found that the typhoon significantly increased microplastic abundance in surface water while decreasing it in sediment, suggesting storm turbulence resuspends settled particles. The typhoon also reshaped the plastisphere microbial community, indicating that extreme weather events can redistribute both microplastics and their associated organisms.
Inter-event and intra-event dynamics of microplastic emissions in an urban river during rainfall episodes
Researchers conducted high-frequency sampling of microplastics in a Japanese urban river during three different rainfall events to understand how storms mobilize plastic pollution. They found that rainfall events increased microplastic loads by 4 to 110 times compared to dry weather, with smaller particles mobilizing first during lighter rains and larger particles surging after peak rainfall intensity. The study reveals that storm dynamics play a critical role in determining when and how microplastics are flushed from urban areas into waterways.
Occurrence of Microplastic Pollution at Oyster Reefs and Other Coastal Sites in the Mississippi Sound, USA: Impacts of Freshwater Inflows from Flooding
Researchers assessed microplastic pollution in water at oyster reef sites along the Mississippi Gulf Coast during a period of historic flooding that caused prolonged freshwater intrusion. The study found that flooding events increased microplastic concentrations in coastal waters, suggesting that extreme weather and freshwater inflows from rivers can intensify microplastic pollution in estuarine environments where filter-feeding shellfish are especially vulnerable.
Chasing plastic storms: Assessing atmospheric microplastic deposition by a ‘pulse event’ of tropical storm Fiona in Eastern Canada
Researchers geospatially analysed atmospheric microplastic deposition during tropical storm Fiona, one of the most destructive storms on record for Eastern Canada, using a unique time series to track how the extreme weather event mobilised and redistributed anthropogenic microdebris across terrestrial, aquatic, and marine environments. The study found that extreme meteorological events represent a significant and undercharacterised pathway for concentrated atmospheric microplastic deposition over large areas.
Underestimated land-to-sea microplastic emissions: The crucial role of rainfall events
Researchers investigated microplastic emission characteristics during a rainfall event in Masan Bay, Korea, using time-weighted sampling in the Samhochoen stream to capture temporal variation in microplastic loads. They found that microplastic abundance peaked during early runoff stages and was strongly influenced by rainfall intensity, with polypropylene and polyethylene accounting for roughly 60% of detected polymers.
Impact of flooding events on microplastic distribution from rivers to coastal areas: a case study from Tuticorin, Southeast India
Researchers compared microplastic abundance in river, estuarine, and coastal water and sediment before and after a 2023 flood event in Southeast India. Flood events tripled microplastic abundance in surface water (from 28 to 95 items/L) and increased sediment concentrations 1.5-fold, demonstrating that flooding is a major driver of microplastic redistribution.
Impacts of Typhoon Mangkhut in 2018 on the deposition of marine debris and microplastics on beaches in Hong Kong
Researchers assessed how Typhoon Mangkhut in 2018 affected the deposition of marine debris and microplastics on Hong Kong beaches, finding that the typhoon significantly redistributed both macro-debris and microplastics, with exposed beaches accumulating more material than protected ones. The study demonstrates that extreme weather events are important drivers of microplastic deposition dynamics in coastal environments.
Microplastic accumulation dynamics in two Mediterranean beaches with contrasting inputs
Researchers monitored microplastic accumulation dynamics on two Mediterranean beaches with contrasting human pressures over multiple seasons, finding that beaches near urban areas accumulated MPs faster and showed greater concentration variability. Short-term accumulation events tied to storms and wind patterns were identified as key drivers of MP deposition.
Floating microplastics in a coastal embayment: A multifaceted issue
Researchers assessed floating microplastic densities in a coastal embayment in the Northeast Atlantic Ocean, collecting 1,182 floating microplastic samples and analyzing the influence of wind on their distribution. The study highlighted that surface floating plastics represent only a small fraction of total environmental plastics, underscoring the complexity of tracking plastic fate in coastal systems.
Spatiotemporal variation in microplastic contamination along a subtropical reservoir shoreline
Researchers tracked microplastic contamination along the shoreline of a subtropical reservoir over two years and found that microplastic abundance was higher near urban areas and varied with season, with storm-related inputs creating significant temporal spikes.
Tidal intensity and suspended sediment concentration drive microplastic distribution in the Pearl River Estuary: Insights from remote sensing retrieval
Field measurements showed that tidal intensity and suspended sediment concentrations are key drivers of microplastic transport in coastal and estuarine waters. The results help explain why microplastic concentrations fluctuate with tidal cycles and inform models predicting where plastics accumulate in dynamic coastal zones.