Congrats to Karine Rioux for its excellent talk at Géoforum!

April 24, 2017 in @en, Article

On the 21st of April, Karine Rioux presented the main part of her honors bachelor project. Her presentation was part of the GeoForum 2017 of the Geography department (University of Montreal). Her project consists in evaluating the efficiency of a mitigation technique; the use of snowsheds to increase the thermal stability of permafrost along an experimental section of the Alaska Highway (Yukon). Karine skillfully demonstrated thermal dynamics of the air and the firsts centimeters of permafrost under the snowsheds, compared with a test section. Her good work and communicating skills won her the prize of the best honors presentation in physical geography! Congratulations Karine!

Yukon – Ecological gradation (Michel Sliger)

November 8, 2016 in Article, focus-en, post

The limit separating the site’s different ecosystems is generally gradual at the Beaver Creek study site (Yukon). From the ground, they are definitely unperceivable. The 6m high road embankment is a better point of view but the best one would be the neighbour hill. According to the local knowledge, the 8km walk across the muskeg to the plateau on the left of the picture take two days. The St-Elias range (the white mountains in the background) are 23km south-westward (Figure 1).

tundra-arbres

Figure 1: Succession of ecosystem, view from the road

Yukon fieldwork : finding ice-wedges

September 4, 2015 in post

Our Geocryolab colleagues Lyna Lapointe, Benoit Loranger and Manuel Verpaelst are currently in their way for the last fieldtrip of the season to westernmost village of Canada (Beaver Creek, Yukon).

The snow is already waiting for their one-week mission. On the menu: ground penetrating radar, gravity meter, drilling and environmental monitoring for this final part of the ice-wedges detection project. Have a nice fieldtrip!

Map Yukon Besver Creek

Beaver Creek – Yukon – located at the red star on the map

Yukon – Beaver Creek : Air ducts

April 21, 2015 in @en, focus-en

Author: Michel Sliger

By the chimney effect, the air ducts of the experimental section YG7 of Alaska Hwy have proven significantly efficient to preserve the underlying permafrost. One of these is now used to measure the heat flow between the circulating air and the embankment with a high precision. On the picture with me, Benoit Loranger from Pr. Guy Doré’s lab at Université Laval, and behind the camera, Kate Grandmont, from the Geocryolab (thanks for the pic by the way). Thanks to both of them who helped me this day (and many other on different times). The monitoring setup was restarted during Fall’14 for a second winter and records will be collected as soon as possible (Figure 1).

 

Figure 1 : Chimney instrumentation maintenance – Picture credits: Kate Grandmont

New publication

May 5, 2014 in Article, Paper

Eva Stephani and Daniel Fortier collaborated on a new paper recently published in the international journal Cold Regions Science and Technology. The paper is titled “A geosystems approach to permafrost investigations for engineering applications, an example from a road stabilization experiment, Beaver Creek, Yukon, Canada“.
For more information or to get a pdf copy of the paper, contact Eva! (evastephani@golder.com)