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61,005 resultsShowing papers similar to The Complex Dynamics of Microplastic Migration through Different Aquatic Environments: Subsidies for a Better Understanding of Its Environmental Dispersion
ClearEffect of Physical Characteristics and Hydrodynamic Conditions on Transport and Deposition of Microplastics in Riverine Ecosystem
This review examined how microplastic physical characteristics like density, shape, and size interact with hydrodynamic conditions to govern their transport and deposition patterns in riverine ecosystems, highlighting key processes that determine where plastics accumulate.
A critical review of environmental factors influencing the transport dynamics of microplastics in riverine systems: implications for ecological studies
This review examines how environmental factors like river flow, channel shape, vegetation, and sediment influence where microplastics accumulate and how they travel through river systems. The authors found that microplastic transport is far more complex than previously assumed, with particles behaving differently based on their size, shape, and density. Understanding these dynamics is essential for predicting where microplastics end up and designing effective cleanup strategies.
Microplastics on the move
This review examines how the physical properties of microplastics — including density, size, morphology, and durability — drive their dispersal across aquatic and terrestrial environments via wind currents, water flows, and biological vectors.
Microplastics in freshwater systems: Dynamic behaviour and transport processes
This review examines how microplastics move through freshwater systems like rivers and lakes on their way to the ocean. The behavior of these particles, including whether they sink, float, or clump together, depends on their size, shape, and density, which constantly change as the plastics weather and interact with organisms. Understanding these transport processes is critical because freshwater systems are a major pathway for microplastic pollution that eventually affects drinking water and aquatic food sources.
Evaluation of the migration behaviour of microplastics as emerging pollutants in freshwater environments
This review summarized how microplastics move through freshwater environments like rivers and lakes, including processes like sinking, floating, being carried by currents, and resuspending from sediments. The study highlights that a microplastic particle's journey depends on its physical properties, water chemistry, and biological interactions, and that understanding these movements is essential for predicting contamination risks.
Comprehensive review of the co-transport of microplastics and suspended sediments in aquatic environments: macroscopic transport and microscopic mechanisms
Researchers reviewed how microplastics and suspended sediments interact and travel together through rivers, lakes, and coastal waters, identifying water flow conditions, particle density, and plastic shape as key factors governing their joint migration and deposition. Understanding these co-transport dynamics is essential for predicting where microplastics accumulate and assessing their ecological risks.
Migration and Transformation of Microplastics
This review traces the full journey of microplastics through the environment, from their origins to how they move through water, soil, and air. Researchers examined how properties like particle size, shape, density, and surface chemistry influence where microplastics end up and how far they travel. The study highlights that during transport, microplastics can release toxic additives and carry other pollutants, posing risks to both ecosystems and human health.
Physical transport properties of marine microplastic pollution
Researchers reviewed the physical transport properties of marine microplastics — including buoyancy, settling velocity, and biofouling effects — and developed models predicting the dispersal of both pelagic and benthic plastic pollution from land-based sources across different ocean regions. The study highlights how hydrodynamic behavior varies by polymer type and particle size, leading to differential accumulation patterns in surface waters, the water column, and seafloor sediments.
Microplastic Pathways: Investigating Vertical and Horizontal Movement from Riverine Environments to Oceans
Researchers investigated the vertical and horizontal movement of microplastics in riverine systems en route to the ocean, examining how physical MP characteristics and hydrodynamic conditions govern whether particles settle near riverbeds or float at the surface, and how both gravity-driven and flow-driven transport contribute to their ultimate fate.
Behavior of Microplastics in Inland Waters: Aggregation, Settlement, and Transport
This review examined how microplastics aggregate, settle, and are transported horizontally in inland waters, covering the influence of particle properties (size, density, shape) and environmental factors (microorganisms, hydraulic conditions, sediment characteristics) on their fate.
Natural Factors of Microplastics Distribution and Migration in Water: A Review
This review examines how natural factors like rainfall, wind, sunlight, aquatic organisms, and water geography affect where microplastics end up in lakes, rivers, and oceans. Understanding these movement patterns is important for predicting which water sources are most contaminated and where human exposure through drinking water or seafood is likely highest.
Factors Controlling Transport Dynamics of Microplastics in Streams
Researchers tracked how microplastics of different sizes and polymer types travel through 15 urban streams with varying levels of human modification. They found that smaller, denser particles traveled shorter distances and settled faster, while stream channel complexity and flow conditions strongly influenced transport patterns. The study provides some of the first field-based measurements of how microplastics move through real waterways on their journey from land to sea.
The occurrence and transport of microplastics: The state of the science
This review provides a comprehensive overview of where microplastics have been found across different environments including oceans, freshwater, soil, and the atmosphere, and how they are transported between these systems. Researchers summarized the key factors influencing microplastic movement, such as particle size, density, and environmental conditions. The study highlights that microplastic contamination is expected to increase in the coming decades and may pose growing risks to both ecosystems and human health.
Micro-plastics in Aquatic Environment: Source, Fate, Emerging Threats, and Regulatory Effort
This review covers sources, distribution, and threats of microplastics in aquatic environments, tracing their movement through rivers, estuaries, lakes, and oceans and their accumulation in sediments and the food chain. The paper also reviews emerging policy frameworks aimed at reducing plastic pollution, providing a broad overview of the microplastic problem in water systems.
A review of the migration mechanisms of microplastics in terrestrial environments
This review maps out how microplastics move through land-based environments via wind, water, gravity, and biological processes like animal ingestion and plant uptake. The paper categorizes movement mechanisms as physical, chemical, or biological, and identifies key factors like particle size and shape that determine where microplastics end up. Understanding these migration pathways is essential for predicting how microplastics in soil can reach water supplies and the food chain.
Microplastics and Nanoplastics in Aquatic Environments: Aggregation, Deposition, and Enhanced Contaminant Transport
This review examined the aggregation, deposition, and transport of microplastics and nanoplastics in aquatic environments, synthesizing how particle properties and water chemistry govern their fate and mobility in rivers, lakes, and oceans.
Microplastics in Aquatic Ecosystems: A Critical Review of Sources, Transport Mechanisms and Ecotoxicological Risks
This review provides a broad overview of microplastic pollution in rivers, oceans, and other aquatic environments, covering where these particles come from, how they move through water systems, and the harm they can cause. Evidence indicates that microplastics accumulate toxins and disrupt growth, feeding, and reproduction in aquatic species, with potential consequences for human health through seafood and drinking water. The authors stress the need for better global monitoring, stronger waste management systems, and development of eco-friendly plastic alternatives.
Microplastic migration and distribution in the terrestrial and aquatic environments: A threat to biotic safety
This review summarizes how microplastics move through and accumulate in both land and water environments worldwide. Microplastics have been found in nearly every environment on Earth, and they can enter microorganisms, plants, animals, and humans through multiple pathways. The review highlights that despite growing evidence of widespread contamination, researchers still do not fully understand how microplastics of different sizes and shapes migrate and what biological damage they cause.
Effects of environmental and anthropogenic factors on the distribution and abundance of microplastics in freshwater ecosystems
Researchers reviewed nearly 6,500 articles to identify the environmental and human factors driving microplastic distribution in freshwater ecosystems worldwide. They found that both natural factors like water flow and temperature, and human activities like urbanization and agriculture, significantly influence where microplastics accumulate in rivers and lakes. The study provides a framework for predicting microplastic pollution hotspots and prioritizing monitoring efforts in freshwater systems.
Deciphering the behavior and fate of microplastics in coastal aquatic environments: A comprehensive review illuminating coastal dynamics and driving mechanisms
This comprehensive review examined the behavior and fate of microplastics in coastal aquatic environments, covering transport fluxes from watersheds to the ocean, physical and geochemical dynamics, and interactions with particles and organisms in beach, nearshore, and estuarine zones. The authors highlighted controversy in estimating riverine microplastic fluxes and identified key knowledge gaps.
Quantifying microplastic dispersion due to density effects
This laboratory study measured how different types of microplastics move through water based on their density, finding that denser plastics settle to the bottom in slow-moving water while lighter ones travel like dissolved particles. Understanding how microplastics spread in rivers is important because it helps predict where plastic contamination will accumulate and which water sources face the greatest risk of exposure.
Transport dynamics of microplastics from land to sea: the role of particle properties and stream morphology.
Researchers measured how particle properties including size, density, and polymer type interact with stream morphology to determine microplastic transport distances in 15 streams. Both plastic characteristics and stream structure independently influenced how far microplastics travel before settling, with implications for estimating fluxes to the ocean.
Modeling the Fate and Transport of Microplastics in Various Aquatic Environmental Compartments
This book chapter reviews mathematical models for tracking microplastic fate and transport in rivers, estuaries, oceans, and groundwater systems. It examines how hydrodynamic processes—advection, dispersion, sedimentation, and biofouling—are incorporated into process-based models to simulate microplastic movement across aquatic compartments.
The Spread and Origins of Microplastic Pollution in Aquatic Environments
This chapter examines the sources, distribution, fate, and transport mechanisms of microplastics in aquatic ecosystems worldwide, tracing their origins from multiple plastic product categories and detailing the physical and chemical processes that govern their spread through waterways.