| Title | Periglacial and permafrost geology, Clyde River, Baffin Island, Nunavut |
| Download | Downloads |
| |
| Licence | Please note the adoption of the Open Government Licence - Canada
supersedes any previous licences. |
| Author | Smith, I R ;
Irvine, M L; Bell, T |
| Source | Geological Survey of Canada, Canadian Geoscience Map 57, 2012, 1 sheet; 1 CD-ROM, https://doi.org/10.4095/289602  Open Access |
| Image |  |
| Year | 2012 |
| Publisher | Natural Resources Canada |
| Edition | prelim. |
| Document | serial |
| Lang. | English |
| Maps | 1 map |
| Map Info. | surficial geology, permafrost, 1:10,000 |
| Projection | Universal Transverse Mercator Projection, UTM zone 19 (NAD83) |
| Media | CD-ROM; paper; on-line; digital |
| File format | readme
|
| File format | pdf; rtf; shp; xml; jpg; JPEG2000 |
| Province | Nunavut |
| NTS | 27F/08NW |
| Area | Clyde River; Baffin Island |
| Lat/Long WENS | -68.6792 -68.4500 70.5097 70.4556 |
| Subjects | surficial geology/geomorphology; Nature and Environment; permafrost; ground ice; periglacial features; thermokarst; glacial features; glacial deposits; glacial landforms; moraines; Cenozoic;
Quaternary |
| Illustrations | photographs; cross-sections |
| Program | Climate Change Geoscience |
| Released | 2012 03 06 |
| Abstract | Geological mapping of periglacial landforms and permafrost features was undertaken as part of a community-scale assessment of how different aspects of the physical environment pose risks to existing and
future infrastructure development, and how climate change may further alter infrastructure vulnerability. Airphoto and ground surveys were used to identify and map gelifluction lobes (Fig. 1), nivation hollows (Fig. 2), thermokarst depressions (Fig.
3), and ice wedges (Fig. 4). Additional insights were gained by drilling and analyzing 14 permafrost cores (0.19-2.83 m long; Irvine, 2011). Ice-rich, raised marine silty-sand deposits, containing saline permafrost, underlie much of the present town
and airport. Surficial sediments in areas where new community developments are taking place, upslope from the coastal terraced regions, appear to potentially be much less affected by ground ice and saline permafrost, but are more subject to surface
slope deformation, and the wind drifting and melting of snow in the lee sides of prominent recessional moraines. |
| GEOSCAN ID | 289602 |
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