The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.
A watershed-scale, citizen science approach to quantifying microplastic concentration in a mixed land-use river
Open accessAbstract
Microplastic (particles < 5 mm) pollution dynamics are well documented in oceans and increasingly studied in freshwater. We used a watershed-scale approach to examine spatial and temporal patterns in microplastic concentrations in the Gallatin River watershed (Montana, USA). At 72 sites, trained volunteers collected ∼1-L grab samples at 4 seasons per year over 2 years (n = 714 samples). Microplastics were found in 57% of the samples (mean = 1.2 particles L-1). The majority of particles were fibers (80%), 0.1-1.5 mm long. Chemical identification determined 93% of particles measured by μFT-IR were synthetic or semi-synthetic materials. Microplastic concentration differed significantly among dates, but showed no longitudinal pattern or relationship to land-use among subwatersheds. At two sites with gaging stations, microplastic was negatively related to discharge when compared across dates. This suggests stormwater is not a source of microplastic in this watershed, but instead dilutes microplastic inputs from other sources. We conclude that microplastic sources are diverse, and measurements of microplastic deposition, resuspension, and transport may be needed to clarify the role of land-use patterns on microplastic pollution. This large scale, citizen science based approach provides a model for future analysis which can further expand microplastic collection at the watershed scale.
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Cites
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Cited by
Veerasingam, S., Ranjani, M., Venkatachalapathy, R., Bagaev, A., Mukhanov, V., Litvinyuk, D., Mugilarasan, M., Gurumoorthi, K., Guganathan, L., Aboobacker, V. M., et al. (2021) · Critical Reviews in Environmental Science and Technology · doi:10.1080/10643389.2020.1807450 · Cited by 561
Microplastics in freshwater sediment: A review on methods, occurrence, and sources
Yang, L., Zhang, Y., Kang, S., Wang, Z., & Wu, C. (2021) · Science of The Total Environment · doi:10.1016/j.scitotenv.2020.141948 · Cited by 508
Koutnik, V. S., Leonard, J., Alkidim, S., DePrima, F. J., Ravi, S., Hoek, E. M. V., & Mohanty, S. K. (2021) · Environmental Pollution · doi:10.1016/j.envpol.2021.116552 · Cited by 429
Microplastics entering northwestern Lake Ontario are diverse and linked to urban sources
Grbić, J., Helm, P., Athey, S., & Rochman, C. M. (2020) · Water Research · doi:10.1016/j.watres.2020.115623 · Cited by 407
Rainfall is a significant environmental factor of microplastic pollution in inland waters
Xia, W., Rao, Q., Deng, X., Chen, J., & Xie, P. (2020) · Science of The Total Environment · doi:10.1016/j.scitotenv.2020.139065 · Cited by 299
Metadata
- Authors
- Barrows, A. P. W., Christiansen, K. S., Bode, E. T., & Hoellein, T. J.
- Venue
- Water Research
- Publisher
- Elsevier BV
- Published
- 2018-12
- Volume
- 147
- Pages
- 382-392
- ISSN
- 0043-1354 (ISSN-L)
- OpenAlex
- W2896525043
- Cited by
- 285
- References
- 53
- FWCI
- 7.00
- Type
- journal article
- Language
- en
- Open access
- green
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