Permafrost Science

Permafrost-related landform-sediment assemblages, Grays Bay Road corridor region, NU, and implications for climate-resilient infrastructure.

Presenter: Peter Morse

Knowledge of permafrost conditions is needed to develop climate-resilient northern infrastructure. Where present, permafrost constitutes a landscape foundation and geohazards can develop if it thaws.

Geomorphic Feature Mapping along the Dempster Highway and Inuvik-to-Tuktoyaktuk Highway Corridor, Yukon and Northwest Territories, Canada

Presenter: Wendy Sladen

Thaw of ice-rich permafrost can reduce ground stability, modify terrain, and alter drainage patterns, affecting terrestrial and aquatic ecosystems

Hydrothermal Regime of Riparian Systems in Continuous Permafrost, Western Canadian Arctic

Presenter: Timothy Ensom

In permafrost regions the movement of water in riparian systems during winter has important implications for hydrology, land use, and infrastructure.

The Thermokarst Environments of Northwestern Canada

Presenter: Steven Kokelj

Thermokarst is the geomorphic manifestation of permafrost thaw. The first systematic aerial inventory and characterization of thaw-sensitive permafrost terrain was initiated for Northwest Territories

Pingo Distribution, Tuktoyaktuk Peninsula Region, Western Canadian Arctic

Presenter: Stephen Wolfe

Pingos are an integral part of the permafrost landscape of the Tuktoyaktuk Peninsula region.

Relict Basal Ice from the Laurentide Ice Sheet Near Lac de Gras, Slave Geological Province, N.W.T., Canada

Presenter: Stephan Gruber

A 2015 drilling campaign of the Slave Province Surficial Materials and Permafrost Study near Lac de Gras has recovered permafrost core interpreted to contain preserved basal ice of the Laurentide Ice Sheet.

Permafrost Information Network (PIN) – Increasing the Accessibility of Permafrost Data

Presenter: Sharon Smith

Knowledge of thermal and geotechnical properties of subsurface materials is critical for planning infrastructure development and adaptation to climate change in permafrost regions.

Community Hazard Mapping: One Step Short of What Is Actually Needed

Presenter: Robin McKillop

Many communities in northern Canada do not have hazard maps to inform planning-level decisions regarding existing and proposed land use and infrastructure.

Resiliency Assessments of Adfreeze Pile Foundations Supporting Government of the Northwest Territories’ Buildings

Presenter: Ed Hoeve

An office-based assessment of the anticipated future integrity of adfreeze steel pipe pile foundations of selected Government of the Northwest Territories buildings was conducted.

Long-Term Monitoring of Permafrost Temperature, Active Layer Thickness and Surface Settlement in the Mackenzie Valley, NWT

Presenter: Caroline Duchesne

A permafrost and active layer monitoring network, established in the Mackenzie Valley and Delta (NWT) by the Geological Survey of Canada, has been maintained since the 1980s.

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