Devito, Kevin - University of Alberta - Department of Biological Sciences

研究领域

My current research focuses on the Utikuma Region Study Area (URSA), located on the Boreal Plain, Alberta. At URSA, my students and I have collaborated in a number of long term (>10 years) studies investigating trends in regional climate and hydrogeology in conjunction with local scale eco-hydrologic studies of forest-wetland-aquatic systems located on a variety of landforms and landscape positions representative of the Boreal Plain. These systems also serve as natural analogues for designing, and benchmarks for evaluating, reclamation strategies on oil sands mining leases. My Students, collaborators and I are also involved in parallel and complimentary studies looking at the influence of landform configuration on the development of wetland and forest ecosystems in constructed watersheds in the Oil Sands near Fort McMurray. I am participating in 4 related research areas: 1) Impact of large-scale disturbance (wildfire, forest harvest) on landscape hydrologic connectivity and boreal ecosystem processes. 2) Distribution and processes maintaining perched / isolated peatland wetlands in sub-humid Boreal Landscapes. 3) Classifying the role of riparian transitions in different landscapes of the Western Boreal Forest. 4) Effective design criteria to sustain forest and wetland ecosystems on constructed watersheds, Oil Sands, Fort McMurray.

近期论文

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Hill AR, KJ Devito, P Vidon. In press. Long-term nitrate removal in a stream riparian zone. Biogeochemistry (accepted 25 June 2014), BIOG-D-14-00052, Biogeochemistry. 10.1007/s10533-014-0010-2 Sutherland G, LE Chasmer, RM Petrone, SM Brown, N Kljun, KJ Devito. In press. Evaluating the use of spatially varying vs. bulk average 3D vegetation structural inputs to modelled evapotranspiration within heterogeneous land cover types. accepted 7 Feb 2014, ECO-13-0095 EcoHydrology. 10.1002/eco.1477 Kettridge N, RE Humphrey, JE Smith, MC Lukenbach, KJ Devito, RM Petrone, JM Waddington2 . in press. Burned and unburned peat hydrophobicity: Implications for peatland evaporation following wildfire. J Hydrology,HYDROL15723, http://dx.doi.org/10.1016/j.jhydrol.2014.03.019 Olefeldt D, KJ Devito, MR Turetsky. 2013. Sources and fate of terrestrial dissolved organic carbon in lakes of a Boreal Plains region recently affected by wildfire. Biogeosciences, 10: 6247-6265. doi10.5194-2013 Brown SM, RM Petrone, L Chasmer, C Mendoza, MS Lazerjan, SM Landhäuser, U Silins, J Leach, KJ Devito. 2014. The influence of rooting zone soil moisture on evapotranspiration from above and within a Western Boreal Plain aspen forest. Hydrol. Process. 28(15) 4449–4462 . DOI: 10.1002/hyp.9879 Macrae ML, K Devito, M Strack, JM Waddington. 2013. Effect of water table drawdown on peatland nutrient dynamics: implications for climate change. Biogeochemistry, 112 (1): 661-676, DOI 10.1007/s10533-012-9730-3 Smerdon B, C Mendoza, KJ Devito, 2012. The impact of gravel extraction on groundwater dependent wetlands and lakes in the Boreal Plains, Canada. Environmental Earth Sciences, 67:1249-1259. DOI 10.1007/s12665-012-1568-4 Carrera-Hernandez JJ, CA Mendoza, KJ Devito, RM Petrone, BD Smerdon. 2012. Reclamation for aspen revegetation: understanding soil moisture dynamics through unsaturated flow modelling. Can J Soil Sci 92:(1) 103-116, 10.4141/cjss2010-035 Chasmer L, N Kljun, C Hopkinson, S Brown, T Milne, K Giroux, A Barr, K Devito, I Creed, R Petrone. In Pres2011 Characterizing vegetation structural and topographic characteristics sampled by eddy covariance within two mature aspen stands using LiDAR. J. Geophysical Research-Biogeosciences, Special Issue on Flux Scaling116, G02026, doi:10.1029/2010JG001567. Carrera-Hernandez, JJ., CA Mendoza, KJ Devito, RM Petrone, BD. Smerdon. 2011. Effects of aspen harvesting on groundwater recharge and water table dynamics in a sub-humid climate,. Water Resour Res.,47: W05542, doi:10.1029/2010WR009684 . Petrone RM, DS Solondz, M Macrae, D Gignac, KJ Devito. 2011. Microtopographical and canopy cover controls on moss carbon dioxide exchange in a western Boreal Plain peatland. Ecohydrology,4(1), 115-129. Redding TE, KJ Devito. 2011. Aspect and soil texture control of snowmelt runoff on forested Boreal Plain hillslopes Hydrology Research , 42.4:250-267. Mwale D, TY Gan, KJ Devito,U Silins,C Mendoza, R Petrone . 2011. Regionalization of Runoff Variability of Alberta, Canada by Wavelet, Independent Component and Empirical Orthogonal Function Analyses. J. Hydrologic Engineering ,16(2) 93-107. DOI: 10.1061 Redding TE, KJ Devito. 2010 Mechanism and pathways of lateral flow on aspen-forested, luvisolic soils, Western Boreal Plain, Alberta, Canada Hydrol Process. , 24:2995-3010. DOI: 10.1002/hyp.7710. 1085 Brown SM, Petrone RM, Mendoza CA, Devito KJ. 2010. Surface vegetation controls on evapotranspiration from a sub-humid Western Boreal Plain wetland. Hydrological Processes. DOI: 10.1002/hyp.7569, 24 (2010): 1072-1085 Krezek, CC, JM Buttle, FD Beall, RD Moore, IF Creed, PK Sibley, U Silins, KJ Devito, CA Mendoza. "HydroEcological Landscapes and Processes Project: A National-scale Forest Hydrology Initiative" Streamline Watershed Management Bulletin 12 (September 2008): 33-38. (Unrated Journal). Mwale D, TY Gan, K Devito, C Mendoza, U Silins, R Petrone. 2009. Precipitation Variability and Its Relationship to Hydrologic Variability in Alberta. Hydrological Processes, 23:3040-3056,DOI:10.1002/hyp.7415. Solondz DS, Petrone RM, Devito KJ. 2008. Forest Floor Carbon Dioxide Fluxes within an Upland Forested Peatland - Pond Complex in the Western Boreal Plain. Eco-hydrology, 1(4):361-376 DOI:10.1002/eco.30. Petrone, R.M., Devito, K.J., Silins, U., Mendoza, C., Kaufman, S.C., Brown, S. & Price, J.S., 2008, Transient peat properties in natural and impacted peatlands in the sub-humid western boreal plains, Canada. Mires and Peat Vol. 3 Article-05. ISSN 1819-754x. Sass, GZ, IF Creed, SE Bayley, KJ Devito. 2008b. Inter-annual variability in trophic status of shallow lakes on the Boreal Plain: is there a climate signal? Water. Resour. Res. 44: W08443, doi:10.1029/2007WR006310. Sass, GZ, IF Creed, KJ Devito. 2008a. Spatial heterogeneity in trophic status of shallow lakes on the Boreal Plain: influence of hydrologic setting. Water. Resour. Res. 44: W08444,doi:10.1029/2007WR006311. Bladon KD, U Silins, M Wagner, M Stone, MB Emelko, CA Mendoza, KJ Devito, S Boon. 2008. Wildfire impacts on nitrogen concentration and production from headwater streams in southern Alberta's Rocky Mountains.Can. J. For. Res. 38: 2559-2371. Creed, IF, GZ Sass, MB Wolniewicz, KJ Devito. 2008. Incorporating hydrologic dynamics into buffer strip design on the sub-humid Boreal Plain of Alberta. Forest Ecol. Manag. 256(11):1984-1994. doi: 10.1016/j.foreco.2008.07.021 Smerdon BD, CA Mendoza, KJ Devito. 2008. Influence of subhumid climate and water table depth on groundwater recharge in shallow outwash aquifers, Water Resour. Res. 44: W08427, doi:10.1029/2007WR005950. Redding TE, KJ Devito.2008. Lateral flow thresholds for aspen forested hillslopes on the Western Boreal Plain, Alberta, Canada. Hydrological Processes 22:4287-4300, DOI:10.1002/hyp.7038.