Conférence: Cryo-hydrogeological Modelling in the Context of Water Resource Development, Contaminant Transport, and Nuclear Waste Storage under Climate Change
Une conférence présentée en ligne par John Molson, professeur à l'Université Laval, et organisée par The Geo-Engineering Center de l'Université Queen.
Quand: Mercredi 28 octobre 2026, 16h30
Description
Interest in the behaviour of cryo-hydrogeological flow systems is growing as northern development increases and climate change accelerates. As permafrost thaws, groundwater resources may become more important as a water supply for northern communities and mining sites, and risks of contaminant spills such as diesel fuel are expected to increase. The effect of permafrost and potential taliks (unfrozen zones) on flow systems over glacial cycles is a concern for deep geological repositories for nuclear waste.
This presentation will focus on several on-going projects involving cryo-hydrogeological modelling with the objective of providing insight into these complex systems. The conceptual models include coupled density-dependent groundwater flow, advective-conductive heat transport with freeze-thaw, and advective-dispersive reactive mass transport, simulated with the 3D finite element code HEATFLOW/SMOKER. Results highlight the interaction between permafrost freeze/thaw and flow system/contaminant evolution. Modelling challenges and uncertainty are also discussed.
Webinar ID: 981 5436 6487
Passcode: 091491