Tim Duval, Assistant Professor


Home Campus:
U o f T Mississauga

PhD McMaster University (2010)

Other Degrees:
MSc York University (2005)
(Honours) BSc University of Toronto (2001)

Contact Information:

Phone: 905-569-4558
Office (UTM): DV 3265
Email: tim.duval@utoronto.ca

Research Interests:

  • Applied Ecohydrology
  • Wetland Hydrology and Biogeochemistry
  • Catchment Hydrology and Biogeochemistry
  • Stream and Wetland Restoration
  • Forest Disturbance and Stream Water Quality
  • Urbanization and Water and Solute Cycling

Teaching This Academic Year:

GGR217: Fundamentals of Hydrology (Winter 2015)

Current Students:

Currently recruiting up to three funded graduate positions are needed to study urban stream-riparian corridors. Topics include groundwater-surface water interactions, in-stream nutrient processing, hyporheic exchange, sediment transport dynamics, riparian zone soil and nutrient dynamics, riparian carbon fluxes, stream sediment fingerprinting, and extreme event hydrology. Successful applicants will work with a network of professors, conservation authorities, municipalities, and the private industry to investigate the hydrology, biogeochemistry, and ecology of stream corridors in urban, suburban, and suburbanizing communities of southern Ontario. Funding is provided for conference travel and development workshop participation. Applicants should enjoy working outdoors and have a love of nature.

Selected Publications:

 Refereed Articles

  • Duval, TP and Radu*, DD, 2017. Effect of temperature and soil organic matter quality on greenhouse gas production from temperate poor and rich fen soils. Accepted pending minor revisions to Ecological Engineering.
  • Didiano* TJ, Johnson MTJ, and Duval TP, 2016. Disentangling the effects of precipitation amount and frequency on the performance of 14 grassland species. PLoS One 11(9): e0162310. doi:10.1371/journal.pone.0162310.
  • Duval, T.P. and Waddington, J.M., 2012. Landscape and weather controls on fine-scale calcareous fen hydrodynamics. Hydrology Research, 43 (6): 780-797. doi: 10.2166/nh.2011.127.
  • Duval, T.P. and Waddington, J.M., 2012. Landscape and weather controls on fine-scale calcareous fen hydrodynamics. Hydrology Research, 43 (6): 780-797. doi: 10.2166/nh.2011.127.
  • Duval, T.P., Waddington, J.M., and Branfireun, B.A., 2012. Hydrological and biogeochemical controls on plant species distribution in calcareous fens.  Ecohydrology, 5(1):73-89, doi:10.1002/eco.202.
  • Duval, T.P. and Waddington, J.M., 2011. Extreme variability of water table dynamics in temperate calcareous fens: Implications for biodiversity. Hydrological Processes, 25(24): 3790-3802, doi:10.1002/hyp.8109.
  • Waddington, J.M., Luchesse* M.C., Duval, T.P., 2011. Sphagnum moss moisture retention following the re-vegetation of degraded peatlands. Ecohydrology, 4(3): 359-366, doi:10.1002/eco.130.
  • Duval, T.P., Waddington, J.M, and Branfireun, B.A., 2010. Towards calcareous wetland creation in flooded abandoned aggregate quarries: a 3-year mesocosm experiment. Ecological Engineering, 36: 586-595, doi: 10.1016/j.ecoleng.2009.12.006.
  • Vidon, P., Allan, C., Burns, D., Duval, T.P., Gurwick, N., Inamdar, S., Lowrance, R., Okay, J., Scott, D., and Sebestyen, S., 2010.  Hot spots and hot moments in riparian zones: potential for improved water quality management. Journal of the American Water Resources Association, 46: 278-298.
  • Dosskey, M., Gurwick, N, Lowrance, R, Vidon, P., Duval, T., and Allan, C., 2010.  The role of riparian vegetation in protecting and improving chemical water quality in streams. Journal of the American Water Resources Association, 46: 261-277.
  • Hill, A.R. and Duval, T.P., 2009.  Beaver dams along an agricultural stream in southern Ontario, Canada: their influence on riparian zone hydrology and nitrogen chemistry.  Hydrological Processes, 23: 1324-1336.
  • Duval, T.P. and Hill, A.R., 2007.  Influence of base flow stream bank seepage on riparian zone nitrogen biogeochemistry. Biogeochemistry, 85: 185-199.
  • Duval, T.P. and Hill, A.R., 2006.  Influence of stream bank seepage during low flow conditions on riparian zone hydrology. Water Resources Research, doi:10.1029/2006WR004861, 12 pages.