Abstract
In early month of November 2007, a 1.4 km debris flow initiated on a steep south-facing slope above Moose Lake in Mount Robson Provincial Park, British Columbia. Snow meltwater was likely concentrated along a shallow seasonally frozen rupture surface, generating high pore water pressure. The debris flow bifurcated into two concentrated gullies before distributing as a debris flood on a snow-covered fan. The debris flow crossed a twin pipeline corridor and came to rest in a ditch against a highway berm. There was no damage to infrastructure. In many ways, the landslide resembles skin flows described in permafrost zones.
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Acknowledgments
We are grateful to Dr. Jeannette Noetzli for constructive anonymous reviewers of this chapter.
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Geertsema, M., van Hees, M., Chiarle, M., Hayek, J. (2014). Debris Flow on a Seasonally Frozen Rupture Surface at Moose Lake, British Columbia. In: Shan, W., Guo, Y., Wang, F., Marui, H., Strom, A. (eds) Landslides in Cold Regions in the Context of Climate Change. Environmental Science and Engineering(). Springer, Cham. https://doi.org/10.1007/978-3-319-00867-7_19
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DOI: https://doi.org/10.1007/978-3-319-00867-7_19
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