A2: Integrating Snow and Glacier Simulations

Year 1 - 2: Glacier, perennial snow components added to MESH and tested for Peyto Glacier. Lowland pond components added to MESH and tested for Upper in Churchill and Mackenzie River Basins. Validation of capability to simulate frozen ground depth and temperature using HYPE in the Nelson River basin.

Year 2 - 3: Impacts of glaciers and depressional storage on runoff under climate change in Churchill-Nelson River and Mackenzie River. Improvements to HYPE frozen ground module and revised frozen ground simulations in the Nelson-Churchill River basins.

Lead:

John Pomeroy Professor University of Saskatchewan | College of Arts & Sciences | Department of Geography & Planning

Co-Leads:

		Al Pietroniro Executive Director National Hydrological Services | Meteorological Service of Canada Environment & Climate Change Canada
		Saman Razavi Assistant Professor University of Saskatchewan | School of Environment & Sustainability
		Howard Wheater Professor University of Saskatchewan | School of Environment & Sustainability, and Department of Civil & Geological Engineering
		Tricia Stadnyk Associate Professor University of Calgary | Department of Geography

Highly Qualified Personnel:

The research team collaborates with US National Center for Atmospheric Research (NCAR), Environment and Climate Change Canada, Alberta Environment and Parks, City of Calgary, Alberta Agriculture and Forestry, Natural Resources Canada (NRCan), and Manitoba Hydro. Partner collaboration ranges from hydrometic and climatic data sharing for model calibration to knowledge exchange thorugh regular visits, calls, and presentations. 

	US National Center for Atmospheric Research (NCAR)
	Environment and Climate Change Canada
	Alberta Environment and Parks
	City of Calgary
	Alberta Agriculture and Forestry
	Natural Resources Canada (NRCan)
	Manitoba Hydro Manitoba Hydro meets with Umanitoba researchers and HQPs bi-monthly to provide feedback and lead research plans.

• Asong, Z. E., Wheater, H. S., Bonsal, B., Razavi, S., & Kurkute, S., (2018), Historical drought patterns over Canada and their relation to teleconnections, Hydrology and Earth System Sciences, 22(6), 3105-3124.

• Asong, Z.E., Razavi, S., Wheater, H.S., Wong, J.S. (2017), Evaluation of Integrated Multisatellite Retrievals for GPM (IMERG) over Southern Canada against Ground Precipitation Observations: A Preliminary Assessment. Amer. Meteor. doi: 10.1175/JHM-D-16-0187.1

• Chun, K.P., Mamet, S.D., Metsaranta, J., Barr, A., Johnstone, J., Wheater, H. (2017), A novel stochastic method for reconstructing daily precipitation times-series using tree-ring data from the western Canadian Boreal Forest. Dendrochronologia. doi: 10,1016/j.dendro.2017.01.003.

• Conway JP, Pomeroy JW, Helgason WD, Kinar NJ, (2018). Challenges in modelling turbulent heat fluxes to snowpacks in forest clearings, Journal of Hydrometeorology, 19: 1599 - 1616. DOI: 10.1175/JHM-D-18-0050.1.

• Costa D, Pomeroy JW, (2019). Preferential meltwater flowpaths as a driver of preferential elution of chemicals from melting snowpacks, Science of the Total Environment, 662: 110-120. DOI: 10.1016/j.scitotenv.2019.01.091.

• Costa D, Pomeroy JW, Wheater HS, (2018). A numerical model for the simulation of snowpack solute dynamics to capture runoff ionic pulses during snowmelt: the PULSE model, Advances in Water Resources, 122: 37 - 48. DOI: 0.1016/j.advwatres.2018.09.008.

• Costa D, Roste J, Pomeroy J, Baulch H, Elliott J, Wheater H, Westbrook C, (2017), A modelling framework to simulate field-scale nitrate response and transport during snowmelt: The WINTRA model, Hydrological Processes, 32 (3): 4250-4268. DOI: 10.1002/hyp.11346

• DeBeer C M, Pomeroy J W, (2017), Influence of snowpack and melt energy heterogeneity on snow cover depletion and snowmelt runoff simulation in a cold mountain environment, Journal of Hydrology, 553(1): 199 - 213. DOI: 10.1016/j.jhydrol.2017.07.051

• Gharari, S. and Razavi, S. (2018), Hysteresis in Hydrology and Hydrological Modelling: Memory, Path-Dependency, and Missing Physics, Journal of Hydrology (submitted).

• Gharari, S., and Razavi, S. (2018), Review and Synthesis of Hysteresis in Hydrology and Hydrological Modelling: Memory, Path-Dependency, or Missing Physics?, Journal of Hydrology, 566, 500-519.

• Harder P, Helgason WD, Pomeroy JW, (2018). Modeling the Snowpack Energy Balance during Melt under Exposed Crop Stubble, Journal of Hydrometeorology, 19(7): 1191 - 1214. DOI: 10.1175/JHM-D-18-0039.1.

• Harder P, Pomeroy J, Helgason W, (2017), Local-Scale Advection of Sensible and Latent Heat During Snowmelt, Geophysical Research Letters, 44(-): 9769 - 9777. DOI: 10.1002/2017GL074394

• Harder P, Pomeroy J, Helgason W, (Submitted). Implications of stubble management on snow hydrology and meltwater partitioning, Canadian Water Resources Journal

• Harder P, Pomeroy JW, Helgason WD, (2019). A simple model for local-scale sensible and latent heat advection contributions to snowmelt, Hydrology and Earth System Sciences, 23: 1 - 17. DOI: 10.5194/hess-23-1-2019.

• Krinner G, Derksen C, Essery R, Flanner M, Hagemann S, Clark M, Hall A, Rott H, Brutel-Vuilmet C, Kim H, Ménard CB, Mudryk L, Thacheray C, Wang L, Arduini G, Balsamo G, Bartlett P, Boike J, Boone A, Chéruy F, Colin J, Cuntz M, Dai Y, Decharme B, Derry J, Ducharne A, Dutra E, Fang X*, Fierz C, Ghattas J, Gusev Y, Haverd V, Kontu A, Lafaysse M, Law R, Lawrence D, Li W, Marke T, Marks D, Ménégoz M, Nasonova O, Nitta T, Niwano M, Pomeroy J, Raleigh MS, Schaedler G, Semenov V, Smirnova TG, Stacke T, Strasser U, Svenson S, Turkov D, Wang T, Wever N, Yuan H, Zhou W, Zhu D, (2018). ESM-Snow MIP: assessing snow models and quantifying snow-related climate feedbacks, Geoscientific Model Development, 11: 5027 - 5049. DOI: 10.1080/07011784.2018.1527256.

• Krogh S, Pomeroy J, (2019). Impact of future climate and vegetation on the hydrology of an Arctic headwater basin at the tundra-taiga transition, Journal of Hydrometeorology, 20: 197 - 215. DOI: 0.1175/JHM-D-18-0187.1.

• Krogh SA, Pomeroy JW, (2018). Recent Changes to the Hydrological Cycle of an Arctic basin at the Tundra-Taiga Transition, Hydrology and Earth System Sciences, 22: 3993 - 4014. DOI: org/10.5194/hess-22-3993-2018.

• Leroux NR, Pomeroy JW, (2018). Simulation of Capillary Pressure Overshoot in Snow Combining Trapping of the Wetting Phase with a Nonequilibrium Richards Equation Model, Water Resources Research, 55(1): 1 - 13. DOI: 10.1029-2018-WR022969.

• MacDonald M, Pomeroy J, Essery R, (2018), Water and energy fluxes over northern prairies as affected by chinook winds and winter precipitation, Agricultural and Forest Meteorology, 248(-): 372 - 385. DOI: 10.1016/j.agrformet.2017.10.025

• Marsh CB, Pomeroy JW, Wheater HS, (Submitted Revision Requested). Sensitivity of snowpack energy balance models to input and parameter uncertainty in a mountain basin, Water Resources Research

• Marsh CB, Spiteri RJ, Pomeroy JW, Wheater HS, (2018). Multi-objective unstructured triangular mesh generation for use in hydrological and land surface models, Computers and Geosciences, 119: 49 - 67. DOI: org/10.1016/j.cageo.2018.06.009.

• Masud, M.B., Khaliq, M.N., Wheater, H.S. (2017), Future changes to drought characteristics over the Canadian Prairie Provinces based on NARCCAP multi-RCM ensemble. Clim. Dynam. doi: 10.1007/s00382-016-3232-2.

• Masud, M.B., Khaliq, M.n., Wheater, H.S. (2017), Projected changes to short-and-long-duration precipitation extremes over the Canadian Prairie Provinces. Clim. Dynam. doi: 10.1007/s00382-016-3404-0.

• Pechlivanidis, I.G., McIntyre, N., Wheater, H.S. (2017), The significance of spatial variability of rainfall on simulated runoff: an evaluation based on the Upper Lee catchment, UK. Hydrol. Res. doi: 10.2166/nh.2016.038.

• Rasouli K, Pomeroy J, Whitfield PH, (Accepted). Hydrological Responses of Headwater Basins to Monthly Perturbed Climate in the North American Cordillera, Journal of Hydrometeorology (March 11, 2019). DOI: 10.1175/JHM-D-18-0166.1.

• Rasouli K, Pomeroy JW, Janowicz JR, Williams TJ, Carey SK, (2019). A long-term hydrometeorological dataset (1993-2014) of a northern mountain basin: Wolf Creek Research Basin, Yukon Territory, Canada, Earth System Science Data, 11: 89 - 100. DOI: 10.5194/essd-11-89-2019.

• Razavi, S., and Vogel, R., (2018), Prewhitening of hydroclimatic time series? Implications for inferred change and variability across time scales. Journal of Hydrology, 557, 109-115.

• Sapriza-Azuri, G., Gamazo, P., Razavi, S., and Wheater, H. (2018), On the Appropriate Definition of Soil Profile Configuration and Initial Conditions for Land Surface-Hydrology Models in Cold Regions, Hydrology and Earth System Sciences, 22, 3295-3309, https://doi.org/10.5194/hess-22-3295-2018.

• Scaff L, Prein AF, Li Y, Liu C, Rasmussen R, Ikeda K, (2017), Simulating the diurnal cycle of convective precipitation in North America’s current and future climate with a convection- permitting model, Climate Dynamics (in revision).

• Slaughter, A., and Razavi, S., Paleo-hydrologic reconstruction of 400 years of past flows at a weekly time step for major rivers of Western Canada, submitted to Earth System Science Data.

• Wayand NE, Marsh CB, Shea JM, Pomeroy JW, (2018). Globally Scalable Alpine Snow Metrics, Remote Sensing of Environment, 213: 61 - 72. DOI:org/10.1016/j.rse.2018.05.012

• Wunder, S., Brouwer, R., Engel, S., Ezzine-de-Blas, D., Muradian, R., Pacual, U., Pinto, R. (2018). From principles to practice in paying for nature’s services. Nature Sustainability 1(3): 145-150.

• Yassin, F., Razavi, S., Elshamy, M., Davison, B., and Wheater, H., Representation of Water Management in Hydrological and Land Surface Models, submitted to Hydrology and Earth System Sciences.

• Yassin, F., Razavi, S., Wong, J., Wheater, H., Hydrologic-Land Surface Modelling of a Complex System under Significant Precipitation Uncertainty: a case study of the Saskatchewan River Basin, Canada, submitted to Hydrology and Earth System Sciences.

• Zhang Z, Li Y, Chen F, Barlage M, Li Z (2017), Soil-Moisture Impacts on Summer Hot Extremes in North America in WRF Regional Climate Simulation, Climate Dynamics (submitted).