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Behavior of Microplastics in Inland Waters: Aggregation, Settlement, and Transport
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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.
Inland waters are the main medium transporting microplastics to the ocean. Aggregation, vertical settlement, and horizontal transport will occur when microplastics enter the inland waterbodies. This paper reviews these behaviors of microplastics in inland waters and their influencing factors. The aggregation of microplastics were divided into homogeneous aggregation and heterogeneous aggregation, which are critical for the settlement of microplastics. The settlement of microplastics in inland water bodies is influenced by microplastic properties (size, density, and shapes) and environmental conditions (microorganisms, sedimental properties, hydraulic conditions, and so on). Horizontal transport of microplastics in water is influenced by hydrologic conditions, rainfall, river morphologies, dams, vegetation, etc. Future perspectives including laboratory simulations and numerical models involving multiple factors, the behaviors of degradable plastics, and the influence of hydrologic conditions have been proposed.
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Microplastics in aquatic environments: interaction with sediments and transport dynamics
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This review examines how microplastics behave in aquatic environments, focusing on their interactions with fine sediments, aggregation, settling, and transport dynamics. The study identifies key knowledge gaps in understanding how particle properties and hydrodynamic conditions determine where microplastics accumulate in rivers, lakes, and coastal waters.
Microplastics and Nanoplastics in Aquatic Environments: Aggregation, Deposition, and Enhanced Contaminant Transport
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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.
Effect of Physical Characteristics and Hydrodynamic Conditions on Transport and Deposition of Microplastics in Riverine Ecosystem
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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.
Aquatic Aggregates as “Vector” for Microplastics
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This review examines how microplastics interact with aquatic aggregates — clumps of organic matter, clay, and other particles formed through flocculation in natural waters. Aggregation affects microplastic transport by changing their effective density and size, influencing whether they sink, float, or remain suspended. Understanding these interactions is key to accurately predicting where microplastics end up in aquatic environments.
A review of microplastics aggregation in aquatic environment: Influence factors, analytical methods, and environmental implications
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This review examines how microplastics clump together in aquatic environments, a behavior called aggregation that affects where they end up and how available they are to organisms. Researchers evaluated the factors that influence aggregation, including water chemistry, particle size, and the presence of natural organic matter. The study identifies important gaps in field research and calls for standardized methods to better understand how aggregation shapes the environmental fate of microplastics.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.