We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Microplastic accumulation in streambed sediments is driven by hyporheic exchange flow processes
No summary available — this paper's abstract is not included in the open metadata provided by the publisher. Learn why →
More Papers Like This
Significance of Hyporheic Exchange for Predicting Microplastic Fate in Rivers
AI summary Read the abstract
Researchers modeled the role of hyporheic exchange — water flow between rivers and streambed sediments — in driving microplastic delivery and retention in riverbeds, finding that this process significantly increases the rate at which small and positively buoyant microplastics are transported into streambed sediments. The study highlights hyporheic exchange as an underappreciated mechanism controlling microplastic fate in freshwater environments.
Microplastic accumulation in riverbed sediment via hyporheic exchange from headwaters to mainstems
AI summary Read the abstract
Researchers developed a model showing that hyporheic exchange between river surface water and sediment causes long-term microplastic retention, with headwater residence times averaging 5 hours per kilometer but increasing to 7 years per kilometer during low-flow conditions.
The transport behaviour of microplastics in longitudinal mixing and hyporheic exchange under varied flow conditions
AI summary Read the abstract
Researchers studied how microplastics move through river systems, examining both downstream transport and how particles interact with riverbeds through hyporheic exchange. Understanding these transport behaviors helps predict where microplastics accumulate in river sediments.
Microplastic Pollution in Freshwater Sediments: Spatial–Temporal Patterns
AI summary Read the abstract
This global review of freshwater sediment studies finds that human activities, stormwater runoff, water flow, and sediment grain size all shape where microplastics accumulate in rivers and lakes, but most data come from Asia with limited coverage elsewhere. Filling these geographic and temporal gaps is essential for understanding the long-term fate of microplastics in freshwater systems that supply drinking water worldwide.
Migration of microplastics in hyporheic zone sediments: Beiluo River, China
AI summary Read the abstract
A study of China's Beiluo River found microplastics at all sediment depths within the hyporheic zone, with abundance declining with depth and small fibrous particles primarily redistributed via hyporheic exchange between surface water and subsurface sediments. Hyporheic zones act as ecological transition spaces critical for aquatic biodiversity and water purification, and understanding how microplastics migrate into these zones reveals a previously underappreciated route of deep sediment contamination.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.