| Title | A model for quantifying ground-ice volume, Yukon coast, western Arctic Canada |
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| Author | Couture, N J ;
Pollard, W H |
| Source | Permafrost and Periglacial Processes vol. 28, no. 3, 2017 p. 534-542, https://doi.org/10.1002/ppp.1952 |
| Image |  |
| Year | 2017 |
| Alt Series | Earth Sciences Sector, Contribution Series 20150342 |
| Publisher | Wiley-Blackwell |
| Document | serial |
| Lang. | English |
| Media | paper; on-line; digital |
| File format | pdf |
| Province | Yukon |
| Area | Clarence Lagoon; Komakuk Beach; Hershel Island; Kay Point; King Point; Shingle Point |
| Lat/Long WENS | -142.0000 -136.0000 70.0000 68.2500 |
| Subjects | Nature and Environment; ground ice; permafrost; modelling; coastal environment |
| Illustrations | location maps; tables; photographs; plots |
| Program | Climate Change Geoscience Coastal Infrastructure |
| Released | 2017 06 22 |
| Abstract | A morphological model for estimating ground-ice contents of various landscape units is presented to address the gap between large-scale, general studies and small-scale, site-specific case histories.
The model considers different groundice types and cryostratigraphic relations between ice bodies within a terrain unit. Input parameters needed for the model are described. Derived variables and algorithms used to determine the quantity of each
ground-ice type within a terrain unit are presented. Examples of the application of the model are provided for the Yukon Coastal Plain, northwest Canada. The uncertainties and limiting assumptions of the model are discussed. |
| Summary | (Plain Language Summary, not published)
Permafrost in the Canadian western Arctic contains large amounts of ground ice and the volume of ice is of interest, since it is a major contributing
factor in the response of the permafrost system to environmental changes or to infrastructure development. A geomorphological model was used to estimate ground ice content in different terrain units along the Yukon coast. The overall volume of ground
ice is assessed based on the geometric relationships between various types of ground ice. The inputs needed to drive the model are described and the equations used to determine the extent each ground ice type are provided. This study includes a
discussion of the uncertainties and potential errors associated with the model assumptions. |
| GEOSCAN ID | 297414 |
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