Subsurface flow recently triggered the development of taliks under a sub-Arctic road embankment: a prelude to the collapse of the Alaska Highway?

Daniel Fortier1, Lin Chen1,2, Michel Sliger2, Jeffrey M McKenzie3 and Paul Murchison4, (1)University of Montreal, Département de géographie, Montreal, QC, Canada, (2)Centre d'étude nordique, Québec, QC, Canada, (3)McGill University, Earth and Planetary Sciences, Montreal, QC, Canada, (4)Yukon Highways and Public Works, Whitehorse, YT, Canada