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Controlling Factors of Microplastic Riverine Flux and Implications for Reliable Monitoring Strategy

Environmental Science & Technology 2021 87 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 45 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Daoji Li, Rachel Hurley Yan Lin, Rachel Hurley Lixin Zhu, Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Mengyu Bai, Mengyu Bai, Daoji Li, Daoji Li, Yan Lin, Yan Lin, Yan Lin, Yan Lin, Lixin Zhu, Lixin Zhu, Rachel Hurley Lixin Zhu, Lixin Zhu, Lixin Zhu, Lixin Zhu, Lixin Zhu, Mengyu Bai, Daoji Li, Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Lixin Zhu, Daoji Li, Lixin Zhu, Rachel Hurley Lixin Zhu, Lixin Zhu, Lixin Zhu, Daoji Li, Lixin Zhu, Rachel Hurley Lixin Zhu, Rachel Hurley Lixin Zhu, Rachel Hurley Mengyu Bai, Rachel Hurley Rachel Hurley Yan Lin, Lixin Zhu, Rachel Hurley Lixin Zhu, Rachel Hurley Rachel Hurley Lixin Zhu, Lixin Zhu, Lixin Zhu, Lixin Zhu, Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Mengyu Bai, Daoji Li, Daoji Li, Lixin Zhu, Rachel Hurley Lixin Zhu, Lixin Zhu, Lixin Zhu, Yan Lin, Lixin Zhu, Lixin Zhu, Lixin Zhu, Lixin Zhu, Lixin Zhu, Lixin Zhu, Lixin Zhu, Lixin Zhu, Lixin Zhu, Rachel Hurley Rachel Hurley Lixin Zhu, Rachel Hurley Lixin Zhu, Rachel Hurley Lixin Zhu, Lixin Zhu, Rachel Hurley Rachel Hurley Lixin Zhu, Lixin Zhu, Lixin Zhu, Daoji Li, Mengyu Bai, Lixin Zhu, Mengyu Bai, Rachel Hurley Yan Lin, Rachel Hurley Rachel Hurley Rachel Hurley Yan Lin, Lixin Zhu, Lixin Zhu, Lixin Zhu, Lixin Zhu, Daoji Li, Daoji Li, Daoji Li, Daoji Li, Daoji Li, Daoji Li, Lixin Zhu, Rachel Hurley Rachel Hurley Yan Lin, Rachel Hurley Rachel Hurley Rachel Hurley Rachel Hurley Daoji Li, Rachel Hurley Lixin Zhu, Daoji Li, Rachel Hurley Daoji Li, Daoji Li, Daoji Li, Yan Lin, Yan Lin, Daoji Li, Daoji Li, Daoji Li, Rachel Hurley Daoji Li, Daoji Li, Daoji Li, Lixin Zhu, Rachel Hurley Daoji Li, Rachel Hurley Rachel Hurley Yan Lin, Rachel Hurley Daoji Li, Yan Lin, Rachel Hurley Daoji Li, Yan Lin, Lixin Zhu, Daoji Li, Daoji Li, Daoji Li, Rachel Hurley Rachel Hurley Yan Lin, Daoji Li, Lixin Zhu, Mengyu Bai, Lixin Zhu, Lixin Zhu, Daoji Li, Daoji Li, Rachel Hurley Daoji Li, Daoji Li, Rachel Hurley Rachel Hurley

Summary

This review examines the controlling factors that determine microplastic flux from rivers to the sea, identifying hydrology, land use, river morphology, and sampling methodology as key variables, and arguing for standardized monitoring approaches to enable reliable riverine flux estimates.

Study Type Environmental

A significant proportion of marine plastic debris and microplastics is assumed to be derived from river systems. In order to effectively manage plastic contamination of the marine environment, an accurate quantification of riverine flux of land-based plastics and microplastics is imperative. Rivers not only represent pathways to the ocean, but are also complex ecosystems that support many life processes and ecosystem services. Yet riverine microplastics research is still in its infancy, and many uncertainties still remain. Major barriers exist in two aspects. First, nonharmonized sampling methodologies make it problematic for compiling data across studies to better estimate riverine fluxes of microplastics globally; Second, the significant spatiotemporal variation of microplastics in rivers which was affected by the river characteristics, MPs properties, etc. also have important influence on the estimation of riverine MPs fluxes. In this study, we made a comprehensive review from the above two aspects based on published peer-reviewed studies and provide recommendations and suggestions for a reliable monitoring strategy of riverine MPs, which is beneficial to the further establish sampling methods for rivers in different geographical locations. Besides, methods for achieving a high level of comparability across studies in different geographical contexts are highlighted. Riverine microplastic flux monitoring is another important part of this manuscript. The influential factors and calculation methods of microplastic flux in rivers are also discussed in this paper.

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