| Critical assessment of analytical methods for the harmonized and cost-efficient analysis of microplastics S Primpke, SH Christiansen, W Cowger, H De Frond, A Deshpande, ... Applied Spectroscopy 74 (9), 1012-1047, 2020 | 295 | 2020 |
| Reporting guidelines to increase the reproducibility and comparability of research on microplastics W Cowger, AM Booth, BM Hamilton, C Thaysen, S Primpke, K Munno, ... Applied spectroscopy 74 (9), 1066-1077, 2020 | 250 | 2020 |
| Microplastic spectral classification needs an open source community: open specy to the rescue! W Cowger, Z Steinmetz, A Gray, K Munno, J Lynch, H Hapich, S Primpke, ... Analytical chemistry 93 (21), 7543-7548, 2021 | 226 | 2021 |
| Critical review of processing and classification techniques for images and spectra in microplastic research W Cowger, A Gray, SH Christiansen, H DeFrond, AD Deshpande, ... Applied Spectroscopy 74 (9), 989-1010, 2020 | 160 | 2020 |
| A growing plastic smog, now estimated to be over 170 trillion plastic particles afloat in the world’s oceans—Urgent solutions required M Eriksen, W Cowger, LM Erdle, S Coffin, P Villarrubia-Gómez, CJ Moore, ... Plos one 18 (3), e0281596, 2023 | 102 | 2023 |
| Learning from natural sediments to tackle microplastics challenges: a multidisciplinary perspective K Waldschläger, MZM Brückner, BC Almroth, CR Hackney, TM Adyel, ... Earth-Science Reviews 228, 104021, 2022 | 72 | 2022 |
| Settling and rising velocities of environmentally weathered micro-and macroplastic particles K Waldschläger, M Born, W Cowger, A Gray, H Schüttrumpf Environmental Research 191, 110192, 2020 | 64 | 2020 |
| Concentration depth profiles of microplastic particles in river flow and implications for surface sampling W Cowger, AB Gray, JJ Guilinger, B Fong, K Waldschläger Environmental Science & Technology 55 (9), 6032-6041, 2021 | 42 | 2021 |
| Quantitative assessment of visual microscopy as a tool for microplastic research: Recommendations for improving methods and reporting S Kotar, R McNeish, C Murphy-Hagan, V Renick, CFT Lee, C Steele, ... Chemosphere 308, 136449, 2022 | 37 | 2022 |
| Evaluating wastewater effluent as a source of microplastics in environmental samples W Cowger, AB Gray, M Eriksen, C Moore, M Thiel Microplastics in Water and Wastewater; Karapanagioti, HK, Kalavrouziotis, IK …, 2019 | 29 | 2019 |
| Anthropogenic litter cleanups in Iowa riparian areas reveal the importance of near-stream and watershed scale land use W Cowger, AB Gray, RC Schultz Environmental Pollution 250, 981-989, 2019 | 29 | 2019 |
| Children's playgrounds contain more microplastics than other areas in urban parks VS Koutnik, J Leonard, LA El Rassi, MM Choy, J Brar, JB Glasman, ... Science of the Total Environment 854, 158866, 2023 | 21 | 2023 |
| Current state of microplastic pollution research data: trends in availability and sources of open data T Jenkins, BD Persaud, W Cowger, K Szigeti, DG Roche, E Clary, ... Frontiers in Environmental Science 10, 912107, 2022 | 21 | 2022 |
| Open Specy W Cowger, A Gray, H Hapich, C Rochman, J Lynch, S Primpke, K Munno, ... | 18 | 2020 |
| Transport of microplastics in stormwater treatment systems under freeze-thaw cycles: Critical role of plastic density VS Koutnik, J Leonard, J Brar, S Cao, JB Glasman, W Cowger, S Ravi, ... Water Research 222, 118950, 2022 | 17 | 2022 |
| What determines accuracy of chemical identification when using microspectroscopy for the analysis of microplastics? H De Frond, W Cowger, V Renick, S Brander, S Primpke, S Sukumaran, ... Chemosphere 313, 137300, 2023 | 15 | 2023 |
| Litter origins, accumulation rates, and hierarchical composition on urban roadsides of the Inland Empire, California W Cowger, A Gray, H Hapich, J Osei-Enin, S Olguin, B Huynh, H Nogi, ... Environmental Research Letters 17 (1), 015007, 2022 | 14 | 2022 |
| Challenges of using leaves as a biomonitoring system to assess airborne microplastic deposition on urban tree canopies J Leonard, A Borthakur, VS Koutnik, J Brar, J Glasman, W Cowger, ... Atmospheric Pollution Research 14 (2), 101651, 2023 | 11 | 2023 |
| Spatiotemporal trends and characteristics of microplastic contamination in a large river-dominated estuary MRJ Rakib, S Al Nahian, R Madadi, SMB Haider, GE De-la-Torre, ... Environmental Science: Processes & Impacts 25 (5), 929-940, 2023 | 11 | 2023 |
| Global assessment of marine plastic exposure risk for oceanic birds BL Clark, APB Carneiro, EJ Pearmain, MM Rouyer, TA Clay, W Cowger, ... Nature communications 14 (1), 3665, 2023 | 10 | 2023 |
Andrew B GrayAssistant Professor of Watershed Hydrology, University of California RiversideVerified email at ucr.edu
