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Claire Oswald

Oswald, Claire


Assistant Professor


BSc (Hons.), MSc, McM., PhD, Tor.


JOR 614


416-979-5000 x6905

Email Address:


Physical geography (processes in the atmosphere, hydrosphere, biosphere, lithosphere); watershed hydrology and biogeochemistry; watershed ecosystem science and management


Geography & Environmental Studies

Research Interests:

Watershed hydrology and biogeochemistry

Hydrological controls on pollutant fate and transport, particularly mercury and methylmercury, in natural and disturbed ecosystems

Dissolved organic matter (DOM) quantity and quality and the use of absorbance and fluorescence spectroscopy for the study of coloured DOM

Constructed wetlands in the Athabasca oil sands region

Urban hydrology, water quality and land use

Selected Publications & Presentations:

Claire J. Oswald and Sean K. Carey (2016) Total and methyl mercury concentrations in sediment and water of a constructed wetland in the Athabasca Oil Sands Region. Environmental Pollution 213: 628-637. Available online 25 March,

Graydon, J., Mitchell, C., Oswald, C., St. Louis, V. (2016) Mercury fate and methylation in terrestrial upland and wetland environments. Chapter 5 in the Canadian Mercury Science Assessment, Environment Canada.

Oswald, C.J. and Branfireun, B.A. (2014) Antecedent moisture conditions control mercury and dissolved organic carbon concentration dynamics during summer storms in a boreal headwater catchment. Water Resources Research DOI: 10.1002/2013WR014736

Oswald, C.J., Heyes, A., and Branfireun, B.A. (2014) Fate and transport of ambient mercury and applied mercury isotope in terrestrial upland soils: Insights from the METAALICUS watershed. Environmental Science & Technology. 48(2): 1023-1031.

Ali, G., Oswald, C.J.*, Spence, C., Cammerat, E.L.H., McGuire, K.J., Meixner, T., Reaney, S.M. (2013) Towards a unified threshold-based hydrological theory: necessary components and recurring challenges. Hydrological Processes. 27(2): 313-318. (*corresponding author)

Oswald, C.J., Richardson, M.C., and Branfireun, B.A. (2011) Water storage dynamics and runoff response of a boreal Shield headwater catchment.  Hydrological Processes. 25: 3042-3060.

Oswald, C.J., Rouse, W.R., and Binyamin, J. (2008) Modelling lake energy fluxes in the Mackenzie River Basin using bulk aerodynamic mass transfer theory. In Cold Regions Atmospheric and Hydrologic Studies: the Mackenzie GEWEX Experience, Volume II: Hydrologic Processes. Springer-Verlag: Woo, M-K. (Ed.), 508 p.

Oswald, C.J. and Rouse, W.R. (2004) Thermal characteristics and energy balance of various-size Canadian Shield lakes in the Mackenzie River basin. Journal of Hydrometeorology. 5: 129-144.