Check out Dr. Claire Oswald's Published Research on Google Scholar.
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Recent Publication Highlights (2024 - 2025)

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Oswald, C., Melles, S., Gilbride, K., Goitom, E., Ariano, S., Johnston, A., Hataley, E., Tehrani, A., Dannah, N., Aqeel, H., Wellen, C., Li, J., & Liss, S. (2025). Identification of sentinel upstream community sites for wastewater surveillance of SARS-CoV-2 in a large urban area. Water Research, 284, 123958. https://doi.org/10.1016/j.watres.2025.123958
Hegazy, N., Peng, K. K., D’Aoust, P. M., Pisharody, L., Mercier, E., Ramsay, N. T., Kabir, M. P., Nguyen, T. B., Tomalty, E., Addo, F., Wong, C. H., Wan, S., Hu, J., Dean, C., Yang, M. I., Dhiyebi, H., Edwards, E. A., Servos, M. R., Ybazeta, G., … Delatolla, R. (2025). Variability of Clinical Metrics in Small Population Communities Drive Perceived Wastewater and Environmental Surveillance Data Quality: Ontario, Canada-Wide Study. ACS ES&T Water, 5(4), 1605–1619. https://doi.org/10.1021/acsestwater.4c00958

Oswald, C. J., Cartwright, L., Moslenko, L., Chin, A., Chomicki, K., Anderson, K., Van Seters, T., Ruppert, J., & Macleod, D. (2024). Spatio-temporal variability of chloride sources across a large metropolitan region. 2024, GC31I-04. https://ui.adsabs.harvard.edu/abs/2024AGUFMGC31I..04O

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Stephenson, S., Eid, W., Wong, C. H., Mercier, E., D’Aoust, P. M., Kabir, M. P., Baral, S., Gilbride, K. A., Oswald, C., Straus, S. E., Mackenzie, A., Delatolla, R., & Graber, T. E. (2024). Urban wastewater contains a functional human antibody repertoire of mucosal origin. Water Research, 267, 122532. https://doi.org/10.1016/j.watres.2024.122532
Momin, H., Ross, C., Weatherson, W., Drake, J., & Oswald, C. (2024). Influence of stormwater management ponds on chloride transport to urban headwater streams. Journal of Great Lakes Research, 50(6), 102442. https://doi.org/10.1016/j.jglr.2024.102442

Ariano, S. S., Ross, C., & Oswald, C. (2024). Isotope-based source assessment of water flowing from storm sewer systems to a receiving river during dry weather periods. Water Research, 266, 122333. https://doi.org/10.1016/j.watres.2024.122333

Ross, C. A., Ali, G. A., Spence, C., Oswald, C. J., & Phillips, A. K. (2024). Reconceptualizing threshold‐mediated runoff responses: A case study from the Humber River watershed, Ontario, Canada. Hydrological Processes, 38(7), e15241. https://doi.org/10.1002/hyp.15241

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Goitom, E., Ariano, S., Gilbride, K., Yang, M. I., Edwards, E. A., Peng, H., Dannah, N., Farahbakhsh, F., Hataley, E., Sarvi, H., Sun, J., Waseem, H., & Oswald, C. (2024). Identification of environmental and methodological factors driving variability of Pepper Mild Mottle Virus (PMMoV) across three wastewater treatment plants in the City of Toronto. Science of The Total Environment, 932, 172917. https://doi.org/10.1016/j.scitotenv.2024.172917
D’Aoust, P. M., Hegazy, N., Ramsay, N. T., Yang, M. I., Dhiyebi, H. A., Edwards, E., Servos, M. R., Ybazeta, G., Habash, M., Goodridge, L., Poon, A., Arts, E., Brown, R. S., Payne, S. J., Kirkwood, A., Simmons, D., Desaulniers, J.-P., Ormeci, B., Kyle, C., … Delatolla, R. (2024). SARS-CoV-2 viral titer measurements in Ontario, Canada wastewaters throughout the COVID-19 pandemic. Scientific Data, 11(1), 656. https://doi.org/10.1038/s41597-024-03414-w

Weatherson, W. O. W., Oswald, C. J., & Roy, J. W. (2024). High-Frequency Data Provides Insight into Chloride Transport Pathways and Exceedances of Chronic Chloride Guidelines for the Protection of Aquatic Life in Streams Impacted by Deicers. ACS ES&T Water, 4(6), 2445–2457. https://doi.org/10.1021/acsestwater.3c00780

Ross, C., Oswald, C. J., Ariano, S., & Wellen, C. (2024). The Black Creek Research Catchment: Characterizing Urban Streamflow Generation and Contaminant Transport Across Spatial Scales. 224–239. https://ui.adsabs.harvard.edu/abs/2024wsc..conf24239R

Oswald, C. J., Ariano, S., & Ross, C. (2024). Groundwater- and Municipal Water-to-Stream Connectivity Via Storm Sewers in Urban Catchments: Field Observations, Isotopic Evidence, and the Challenge of Scaling. 112–02. https://ui.adsabs.harvard.edu/abs/2024wsc..conf11202O

Ranasinghe, C., Baral, S., Stuart, R., Oswald, C., Straus, S., Tehrani, A., Gilbride, K., Agyemang, P., & Orkin, A. (2024). Wastewater surveillance for COVID-19 in shelters: A creative strategy for a complex setting. Canada Communicable Disease Report, 50(1/2), 58–62. https://doi.org/10.14745/ccdr.v50i12a07

Murison, L. & Oswald, C. J. (2024). Liquid anti-icing in winter maintenance of parking lots reduces chloride inputs to the environment. Report prepared for Lake Simcoe Region Conservation Authority. 

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Ross, C. A., Phillips, A. K., Gospodyn, L., Oswald, C. J., Wellen, C. C., & Sorichetti, R. J. (2023). Improving the representation of stream water sources in surrogate nutrient models with water isotope data. Science of The Total Environment, 892, 164544. https://doi.org/10.1016/j.scitotenv.2023.16454
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Sehgal, K., Sidhu, V., Oswald, C. J., & Drake, J. (2023). Year-round monitoring of chloride releases from three zero-exfiltration permeable pavements and an asphalt parking lot. Journal of Environmental Management, 328, 116903. https://doi.org/10.1016/j.jenvman.2022.116903

Arora, B., Kuppel, S., Wellen, C., Oswald, C. J., Groh, J., Payandi-Rolland, D., Stegen, J., & Coffinet, S. (2023). Building cross-site and cross-network collaborations in critical zone science. Journal of Hydrology, 618, 129248. https://doi.org/10.1016/j.jhydrol.2023.129248


Akingbola, S., Fernandes, R., Borden, S., Gilbride, K., Oswald, C. J., Straus, S., Tehrani, A., Thomas, J., & Stuart, R. (2022). Early identification of a COVID-19 outbreak detected by wastewater surveillance at a large homeless shelter in Toronto, Ontario. Canadian Journal of Public Health, 114(1), 72–79. https://doi.org/10.17269/s41997-022-00696-8


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Oswald, C. J., Kelleher, C., Ledford, S. H., Hopkins, K. G., Sytsma, A., Tetzlaff, D., Toran, L., & Voter, C. (2023). Integrating urban water fluxes and moving beyond impervious surface cover: A Review. Journal of Hydrology, 618, 129188. https://doi.org/10.1016/j.jhydrol.2023.129188


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Ross, C. A., Moslenko, L. L., Biagi, K. M., Oswald, C. J., Wellen, C. C., Thomas, J. L., Raby, M., & Sorichetti, R. J. (2022). Total and dissolved phosphorus losses from agricultural headwater streams during extreme runoff events. Science of The Total Environment, 848, 157736. https://doi.org/10.1016/j.scitotenv.2022.157736


Ariano, S. S., & Oswald, C. J. (2022). Rapid mobilization of old water during urban stormflow. Hydrological Processes, 36(11). https://doi.org/10.1002/hyp.14745

Lawal, O. U., Zhang, L., Parreira, V. R., Brown, R. S., Chettleburgh, C., Dannah, N., Delatolla, R., Gilbride, K. A., Graber, T. E., Islam, G., Knockleby, J., Ma, S., McDougall, H., McKay, R. M., Mloszewska, A., Oswald, C. J., Servos, M., Swinwood-Sky, M., Ybazeta, G., … Goodridge, L. (2022). Metagenomics of wastewater influent from wastewater treatment facilities across Ontario in the era of emerging SARS-COV-2 variants of concern. Microbiology Resource Announcements, 11(7). https://doi.org/10.1128/mra.00362-22

Biagi, K. M., Ross, C. A., Oswald, C. J., Sorichetti, R. J., Thomas, J. L., & Wellen, C. C. (2022). Novel predictors related to hysteresis and baseflow improve predictions of watershed nutrient loads: An example from ontario’s Lower Great Lakes Basin. Science of The Total Environment, 826, 154023. https://doi.org/10.1016/j.scitotenv.2022.154023