Determining the terrain characteristics related to the surface expression of subsurface water pressurization in permafrost landscapes using susceptibility modelling

Holloway, Jean E.; Rudy, Ashley C. A.; Lamoureux, Scott F.; Treitz, Paul M.

doi:https://doi.org/10.5194/tc-11-1403-2017

Articles | Volume 11, issue 3

https://doi.org/10.5194/tc-11-1403-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/tc-11-1403-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 11, issue 3

Research article

|

19 Jun 2017

Research article |

| 19 Jun 2017

Determining the terrain characteristics related to the surface expression of subsurface water pressurization in permafrost landscapes using susceptibility modelling

Jean E. Holloway, Ashley C. A. Rudy, Scott F. Lamoureux, and Paul M. Treitz

Data sets

2012–2013 mapping of mud ejections at Cape Bounty, Melville Island J. E. Holloway https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=12830

2007–2012 Active layer detachment mapping, Cape Bounty S. F. Lamoureux https://www.polardata.ca/pdcsearch/PDCSearchDOI.jsp?doi_id=9939

Short summary

Below ground pressurization occurs when there is more moisture in the soil pores than normal, and it can potentially result in landscape degradation. We mapped features that are caused by this overpressurization and generated susceptibility maps to find other areas on the landscape that could be susceptible in the future. The susceptibility maps identified areas that may be sensitive to pressurization and help improve our understanding of potentially hazardous permafrost degradation.