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Microplastics captured by snowfall: A study in Northern Iran
The Science of The Total Environment2022
57 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 45
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Sajjad Abbasi,
Sajjad Abbasi,
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Reza Dehbandi,
Andrew Turner
Andrew Turner
Reza Dehbandi,
Reza Dehbandi,
Sajjad Abbasi,
Andrew Turner
Andrew Turner
Reza Dehbandi,
Sajjad Abbasi,
Nastaran Razeghi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Nastaran Razeghi,
Sajjad Abbasi,
Sajjad Abbasi,
Nastaran Razeghi,
Sajjad Abbasi,
Sajjad Abbasi,
Nastaran Razeghi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Nastaran Razeghi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Nastaran Razeghi,
Mustafa Alirezazadeh,
Mahrooz Rezaei,
Mahrooz Rezaei,
Mahrooz Rezaei,
Mahrooz Rezaei,
Mahrooz Rezaei,
Mahrooz Rezaei,
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Andrew Turner
Andrew Turner
Sajjad Abbasi,
Sajjad Abbasi,
Nastaran Razeghi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Reza Dehbandi,
Reza Dehbandi,
Reza Dehbandi,
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Mahrooz Rezaei,
Mahrooz Rezaei,
Mahrooz Rezaei,
Mustafa Alirezazadeh,
Sajjad Abbasi,
Andrew Turner
Andrew Turner
Reza Dehbandi,
Reza Dehbandi,
Sajjad Abbasi,
Andrew Turner
Andrew Turner
Patryk Oleszczuk,
Reza Dehbandi,
Andrew Turner
Andrew Turner
Sajjad Abbasi,
Andrew Turner
Nastaran Razeghi,
Sajjad Abbasi,
Reza Dehbandi,
Andrew Turner
Patryk Oleszczuk,
Andrew Turner
Andrew Turner
Sajjad Abbasi,
Meisam Rastegari Mehr,
Andrew Turner
Sajjad Abbasi,
Andrew Turner
Sajjad Abbasi,
Patryk Oleszczuk,
Patryk Oleszczuk,
Sajjad Abbasi,
Patryk Oleszczuk,
Reza Dehbandi,
Sajjad Abbasi,
Sajjad Abbasi,
Andrew Turner
Andrew Turner
Sajjad Abbasi,
Andrew Turner
Reza Dehbandi,
Mahrooz Rezaei,
Sajjad Abbasi,
Andrew Turner
Sajjad Abbasi,
Reza Dehbandi,
Reza Dehbandi,
Sajjad Abbasi,
Mahrooz Rezaei,
Mahrooz Rezaei,
Andrew Turner
Mahrooz Rezaei,
Andrew Turner
Mahrooz Rezaei,
Shirin Yavar Ashayeri,
Sajjad Abbasi,
Sajjad Abbasi,
Andrew Turner
Hanie Pourmahmood,
Hanie Pourmahmood,
Andrew Turner
Patryk Oleszczuk,
Patryk Oleszczuk,
Reza Dehbandi,
Reza Dehbandi,
Reza Dehbandi,
Patryk Oleszczuk,
Patryk Oleszczuk,
Patryk Oleszczuk,
Andrew Turner
Patryk Oleszczuk,
Andrew Turner
Sajjad Abbasi,
Reza Dehbandi,
Andrew Turner
Reza Dehbandi,
Andrew Turner
Patryk Oleszczuk,
Andrew Turner
Reza Dehbandi,
Andrew Turner
Reza Dehbandi,
Meisam Rastegari Mehr,
Andrew Turner
Mahrooz Rezaei,
Patryk Oleszczuk,
Reza Dehbandi,
Andrew Turner
Andrew Turner
Reza Dehbandi,
Patryk Oleszczuk,
Reza Dehbandi,
Andrew Turner
Shirin Yavar Ashayeri,
Patryk Oleszczuk,
Sajjad Abbasi,
Sajjad Abbasi,
Sajjad Abbasi,
Andrew Turner
Andrew Turner
Andrew Turner
Andrew Turner
Summary
Fresh snow samples collected from 29 locations across urban and remote regions of northern Iran were analyzed for microplastics after a period of sustained snowfall, finding plastic particles at concentrations ranging from undetected to high levels depending on location. The study demonstrates that snowfall acts as an atmospheric scavenging mechanism for airborne microplastics and that urban areas show substantially higher deposition than remote sites.
Samples of fresh snow (n = 34) have been collected from 29 locations in various urban and remote regions of northern Iran following a period of sustained snowfall and the thawed contents examined for microplastics (MPs) according to established techniques. MP concentrations ranged from undetected to 86 MP L (mean and median concentrations ~20 MP and 12 MP L, respectively) and there was no significant difference in MP concentration between sample location type or between different depths of snow (or time of deposition) sampled at selected sites. Fibres were the dominant shape of MP and μ-Raman spectroscopy of selected samples revealed a variety of polymer types, with nylon most abundant. Scanning electron microscopy coupled with energy-dispersive X-ray analysis showed that some MPs were smooth and unweathered while others were more irregular and exhibited significant photo-oxidative and mechanical weathering as well as contamination by extraneous geogenic particles. These characteristics reflect the importance of both local and distal sources to the heterogeneous pool of MPs in precipitated snow. The mean and median concentrations of MPs in the snow samples were not dissimilar to the published mean and median concentrations for MPs in rainfall collected from an elevated location in southwest Iran. However, compared with rainfall, MPs in snow appear to be larger and more diverse in their shape and composition (and include rubber particulates), possibly because of the greater size but lower terminal velocities of snowflakes relative to raindrops. Snowfall represents a significant means by which MPs are scavenged from the atmosphere and transferred to soil and surface waters that warrants further attention.