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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
Environmental Sources
Marine & Wildlife
Policy & Risk
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Microplastics in Urban Watersheds, Southern California, USA
2023
Score: 30
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Samiksha Singh
Win Cowger,
Andrew B. Gray,
Andrew B. Gray,
Clare Murphy-Hagan,
Clare Murphy-Hagan,
Clare Murphy-Hagan,
Clare Murphy-Hagan,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Andrew B. Gray,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Clare Murphy-Hagan,
Clare Murphy-Hagan,
Andrew B. Gray,
Andrew B. Gray,
Andrew B. Gray,
Andrew B. Gray,
Andrew B. Gray,
Andrew B. Gray,
Andrew B. Gray,
Andrew B. Gray,
Samiksha Singh
Samiksha Singh
Samiksha Singh
Win Cowger,
Clare Murphy-Hagan,
Clare Murphy-Hagan,
Andrew B. Gray,
Win Cowger,
Samiksha Singh
Samiksha Singh
Win Cowger,
Andrew B. Gray,
Andrew B. Gray,
Win Cowger,
Andrew B. Gray,
Samiksha Singh
Andrew B. Gray,
Andrew B. Gray,
Andrew B. Gray,
Win Cowger,
Andrew B. Gray,
Andrew B. Gray,
Andrew B. Gray,
Win Cowger,
Clare Murphy-Hagan,
Win Cowger,
Andrew B. Gray,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Andrew B. Gray,
Andrew B. Gray,
Win Cowger,
Win Cowger,
Win Cowger,
Andrew B. Gray,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Win Cowger,
Andrew B. Gray,
Win Cowger,
Andrew B. Gray,
Clare Murphy-Hagan,
Samiksha Singh
Andrew B. Gray,
Clare Murphy-Hagan,
Win Cowger,
Andrew B. Gray,
Andrew B. Gray,
Andrew B. Gray,
Andrew B. Gray,
Win Cowger,
Andrew B. Gray,
Win Cowger,
Andrew B. Gray,
Samiksha Singh
Samiksha Singh
Summary
This study characterized microplastic transport in urban watersheds of Southern California across a range of storm and dry weather flow conditions. Microplastic concentrations were highest during initial storm events as accumulated plastics were flushed from urban surfaces. The findings highlight stormwater runoff from urban areas as a major driver of microplastic transport to the marine environment.
Study Type
Environmental
Globally, fluxes of microplastics to marine environments are thought to be dominated by stormflow from urban environments, which may be moderated by storage in estuaries. Fluvial transport of microplastics is primarily a supply-limited phenomenon, but flow field and particle characteristics can result in a wide range of transport modes, from surface load to bedload, with potential ramifications for estuarine transport and fate. Here we report preliminary findings from microplastic monitoring campaigns conducted in a number of streams draining urban watersheds in Southern California, and estuarine wetland and benthic sediment deposits. These studies will serve as the basis for microplastic flux, accretion, and composition evaluation, and inform the optimization of microplastic monitoring in urban systems.