Faculty profile

Claire Oswald

ResearcherDepartment of Geography and Environmental StudiesToronto Metropolitan University

This profile is built from public research funding records (CIHR, NSERC, SSHRC and other funders) and PubMed. We have not imported them from a Toronto Metropolitan University directory, so their courses may be missing. Find their university profile.

Claire Oswald

Researcher

Department of Geography and Environmental Studies

Toronto Metropolitan University

Toronto, Ontario, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
10 publications in the last five years, latest in 2026.
Senior (last) author on 2 recent papers, a sign of leading a research group.
Principal investigator on 4 research grants (3 NSERC, 1 CFI), most recently in 2024.

These signals come from public records, including federal and provincial funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

Publications

Collaborators

Grants

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

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Signals and details

Research

Water quality Watershed hydrology urban hydrology water sources and flow pathways surface water subsurface water geospatial analysis hydrologic signatures

Latest papers

Microplastics and PMT plastic-associated chemicals as co-contaminants in ice shaving waste from an urban ice rink.
Environmental science. Processes & impacts · 2026
One for all and all for one health: Harmonizing SARS-CoV-2 wastewater surveillance results across a laboratory network.
The Science of the total environment · 2025
Identification of sentinel upstream community sites for wastewater surveillance of SARS-CoV-2 in a large urban area.
Water research · 2025 · first author

All 11 publications

Latest funding

Understanding the impacts of urbanization on hydrological processes across scales using field, modelling, and geospatial methods
NSERC · 2024 · Principal investigator
$58,000
Crystal clear: advancing water chemistry for the future of sustainable ice sports
NSERC · 2023 · Co-investigator
$89,279
Revolutionizing the Tracking of Microplastics: Novel DNA-Labelled Plastics for Environmental and Toxicological Studies
SSHRC · 2023 · Co-investigator
$250,000

All 7 grants and awards

11 publications.

Microplastics and PMT plastic-associated chemicals as co-contaminants in ice shaving waste from an urban ice rink.

Li Y, Hutchins RHS, Oswald C, Impellizzeri S, Sühring R

Environmental science. Processes & impacts2026

DOI: 10.1039/d5em01017a PMID: 42300024

One for all and all for one health: Harmonizing SARS-CoV-2 wastewater surveillance results across a laboratory network.

Chik AHS, Adam C, Ho JJY, Aris T, Arts EJ, Brown RS, Bulir D, Corchis-Scott R, DeGroot CT, Delatolla R, Dennis P, Dhiyebi HA, Gedge A, Geng Q, Gilbride KA, Habash M, Harnden MB, Kibbee R, Knockleby J, Kyle CJ, Mangat CS, Marttala S, McDougall H, Mejia EM, Mercier É, Örmeci B, Oswald C, Payne SJ, Servos MR, Sun J, Yang IM, Ybazeta G, Wastewater Surveillance Consortium

The Science of the total environment2025

DOI: 10.1016/j.scitotenv.2025.180200 PMID: 40857943

Identification of sentinel upstream community sites for wastewater surveillance of SARS-CoV-2 in a large urban area.

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

Water research2025First author

DOI: 10.1016/j.watres.2025.123958 PMID: 40532560

Urban wastewater contains a functional human antibody repertoire of mucosal origin.

Stephenson S, Eid W, Wong CH, Mercier E, D'Aoust PM, Kabir MP, Baral S, Gilbride KA, Oswald C, Straus SE, Mackenzie A, Delatolla R, Graber TE

Water research2024

DOI: 10.1016/j.watres.2024.122532 PMID: 39369505

Isotope-based source assessment of water flowing from storm sewer systems to a receiving river during dry weather periods.

Ariano SS, Ross C, Oswald C

Water research2024Senior author

DOI: 10.1016/j.watres.2024.122333 PMID: 39213684

Identification of environmental and methodological factors driving variability of Pepper Mild Mottle Virus (PMMoV) across three wastewater treatment plants in the City of Toronto.

Goitom E, Ariano S, Gilbride K, Yang MI, Edwards EA, Peng H, Dannah N, Farahbakhsh F, Hataley E, Sarvi H, Sun J, Waseem H, Oswald C

The Science of the total environment2024Senior author

DOI: 10.1016/j.scitotenv.2024.172917 PMID: 38701931

SARS-CoV-2 viral titer measurements in Ontario, Canada wastewaters throughout the COVID-19 pandemic.

D'Aoust PM, Hegazy N, Ramsay NT, Yang MI, Dhiyebi HA, Edwards E, Servos MR, Ybazeta G, Habash M, Goodridge L, Poon A, Arts E, Brown RS, Payne SJ, Kirkwood A, Simmons D, Desaulniers JP, Ormeci B, Kyle C, Bulir D, Charles T, McKay RM, Gilbride K, Oswald C, Peng H, Pileggi V, Wang ML, Tong A, Orellano D, WSI Consortium, DeGroot CT, Delatolla R

Scientific data2024

DOI: 10.1038/s41597-024-03414-w PMID: 38906875

Year-round monitoring of chloride releases from three zero-exfiltration permeable pavements and an asphalt parking lot.

Sehgal K, Sidhu V, Oswald C, Drake J

Journal of environmental management2023

DOI: 10.1016/j.jenvman.2022.116903 PMID: 36502708

Early identification of a COVID-19 outbreak detected by wastewater surveillance at a large homeless shelter in Toronto, Ontario.

Akingbola S, Fernandes R, Borden S, Gilbride K, Oswald C, Straus S, Tehrani A, Thomas J, Stuart R

Canadian journal of public health = Revue canadienne de sante publique2023

DOI: 10.17269/s41997-022-00696-8 PMID: 36156197

Metagenomics of Wastewater Influent from Wastewater Treatment Facilities across Ontario in the Era of Emerging SARS-CoV-2 Variants of Concern.

Lawal OU, Zhang L, Parreira VR, Brown RS, Chettleburgh C, Dannah N, Delatolla R, Gilbride KA, Graber TE, Islam G, Knockleby J, Ma S, McDougall H, McKay RM, Mloszewska A, Oswald C, Servos M, Swinwood-Sky M, Ybazeta G, Habash M, Goodridge L

Microbiology resource announcements2022

DOI: 10.1128/mra.00362-22 PMID: 35638829

Understanding the impacts of urbanization on hydrological processes across scales using field, modelling, and geospatial methods

Principal investigatorNSERC2024Discovery Grants Program - Individual

Principal investigators: Oswald, Claire

Keywords: urban hydrology; watershed hydrology; water sources and flow pathways; water quality; surface water; subsurface water; geospatial analysis; hydrologic signatures; hydrologic connectivity

$58,000

Crystal clear: advancing water chemistry for the future of sustainable ice sports

Co-investigatorNSERC2023Alliance Grants

Principal investigators: Impellizzeri, Stefania S

Keywords: carbon footprint; energy efficiency; environmental impact; hockey arenas; ice-making; ice quality; sustainability; water chemistry; water treatment

$89,279

Revolutionizing the Tracking of Microplastics: Novel DNA-Labelled Plastics for Environmental and Toxicological Studies

Co-investigatorSSHRC2023New Frontiers in Research Fund - Exploration

Principal investigators: Brinkmann, Markus

$250,000

Towards "Greener Ice": A Collaborative Study on the Chemical Characterization of Hockey Ice and Meltwater to Inform Ice Rink Management

Co-investigatorNSERC2022Alliance Grants

Principal investigators: Impellizzeri, Stefania S

Keywords: emerging contaminants; nanoparticles contaminants; persistent, mobile, toxic substances; pfas; spatio-temporal variability; water quality; water treatment assessment

$393,000

Sewershed surveillance of COVID-19 in the City of Toronto_x000d_ _x000d_ _x000d_

Principal investigatorNSERC2020Alliance Grants

Principal investigators: Oswald, Claire

$50,000

Isotopic water sampling and analyzer systems for tracing water movement through urban landscapes

Principal investigatorCFI2020John R. Evans Leaders Fund: John R. Evans Leaders Fund – Funding for research infrastructure

Principal investigators: Oswald, Claire

Keywords: Watershed hydrology, urban hydrology, stable water isotopes, urban water management, urban water infrastructure, urban water quality High precision 18-O and D isotopic H2O analyzer, high frequency water sampling.

$82,876

Hydrological and biogeochemical resilience of human-dominated watersheds

Principal investigatorNSERC2017Discovery Grants Program - Individual

Principal investigators: Oswald, Claire

Keywords: Biogeochemistry; Climate Change; Headwaters; Hydrological and material connectivity; Isotopes; Land use; Stormwater control measures; Urban watersheds; Water quality; Watershed hydrology

$189,000

From public funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998 with their latest competition results, the Canada Foundation for Innovation, Genome Canada, the Canadian Space Agency, Canada Research Chairs, the Fonds de recherche du Québec, Ontario research funding, Michael Smith Health Research BC, the Canadian Cancer Society, Heart & Stroke and Brain Canada.

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Claire Oswald

Research

Latest papers

Latest funding

Microplastics and PMT plastic-associated chemicals as co-contaminants in ice shaving waste from an urban ice rink.

One for all and all for one health: Harmonizing SARS-CoV-2 wastewater surveillance results across a laboratory network.

Identification of sentinel upstream community sites for wastewater surveillance of SARS-CoV-2 in a large urban area.

Urban wastewater contains a functional human antibody repertoire of mucosal origin.

Isotope-based source assessment of water flowing from storm sewer systems to a receiving river during dry weather periods.

Identification of environmental and methodological factors driving variability of Pepper Mild Mottle Virus (PMMoV) across three wastewater treatment plants in the City of Toronto.

SARS-CoV-2 viral titer measurements in Ontario, Canada wastewaters throughout the COVID-19 pandemic.

Year-round monitoring of chloride releases from three zero-exfiltration permeable pavements and an asphalt parking lot.

Early identification of a COVID-19 outbreak detected by wastewater surveillance at a large homeless shelter in Toronto, Ontario.

Metagenomics of Wastewater Influent from Wastewater Treatment Facilities across Ontario in the Era of Emerging SARS-CoV-2 Variants of Concern.

Understanding the impacts of urbanization on hydrological processes across scales using field, modelling, and geospatial methods

Crystal clear: advancing water chemistry for the future of sustainable ice sports

Revolutionizing the Tracking of Microplastics: Novel DNA-Labelled Plastics for Environmental and Toxicological Studies

Towards "Greener Ice": A Collaborative Study on the Chemical Characterization of Hockey Ice and Meltwater to Inform Ice Rink Management

Sewershed surveillance of COVID-19 in the City of Toronto_x000d_ _x000d_ _x000d_

Isotopic water sampling and analyzer systems for tracing water movement through urban landscapes

Hydrological and biogeochemical resilience of human-dominated watersheds

Frequent collaborators

Robert Delatolla

Marc Habash

Kimberley Gilbride

Lawrence Goodridge

Hui Peng

Stephanie Melles

Stefania Impellizzeri

Jean-Paul Desaulniers

Andrea Kirkwood

Trevor Charles

Christopher Kyle

Denina Simmons

Art Poon

Eric Arts

Banu Ormeci

Elizabeth Edwards

Jennifer Drake

Christopher Wellen

Mark Servos

James Li

Steven Liss

Stefan Baral