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TitleReport on 2018 field activities and collection of ground-thermal and active-layer data in the Mackenzie corridor, Northwest Territories
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LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorDuchesne, CORCID logo; Chartrand, JORCID logo; Smith, S LORCID logo
SourceGeological Survey of Canada, Open File 8707, 2020, 84 pages, https://doi.org/10.4095/321921 Open Access logo Open Access
Image
Year2020
PublisherNatural Resources Canada
Documentopen file
Lang.English
Mediadigital; on-line
RelatedThis publication is related to the following publications
File formatpdf
ProvinceNorthwest Territories
NTS95N; 95O; 96C; 96D; 96E; 96F; 96L; 106H; 106I; 106M; 106N; 107B; 107C
AreaMackenzie Corridor; Inuvialuit Settlement Region; Gwich'in Settlement Region; Sahtu Settlement Region; Deh Cho Settlement Region; Mackenzie Valley; Mackenzie Delta; Wrigley; Norman Wells; Tulita; Fort Good Hope; Tuktoyaktuk; Aklavik; Tsiigehtchic
Lat/Long WENS-136.0000 -132.0000 69.5000 67.3333
Lat/Long WENS-129.0000 -123.0000 66.5000 63.0000
Subjectssurficial geology/geomorphology; environmental geology; Nature and Environment; Science and Technology; permafrost; ground ice; periglacial features; thermokarst; slumps; thermal analyses; ground temperatures; climate effects; climate, arctic; temperature; cold regions research; vegetation; Climate change; permafrost thaw; Air temperature; monitoring; Land management; Regulation; Infrastructures; Northern studies; colluvial and mass-wasting deposits
Illustrationstables; location maps; geoscientific sketch maps; time series; photographs; plots; profiles
ProgramClimate Change Geoscience Permafrost
Released2020 03 13
AbstractThis report presents a summary of field activities conducted in 2018 in the Mackenzie corridor, north of Wrigley, N.W.T. Air temperature, ground-thermal and active-layer data acquired from permafrost monitoring sites visited in 2018 are provided in graphical and tabular format. Ground temperature records for the 2007-2018 period are also presented and indicate that permafrost is generally warming throughout the corridor and for a majority of sites, permafrost is currently warmer than the baseline established during the International Polar Year (2007-2009). The data presented provide essential baseline information that can be utilized by stakeholders and others for various purposes such as land-management activities, regulatory processes and planning of northern infrastructure.
Summary(Plain Language Summary, not published)
This report presents a summary of field activities conducted in 2018 in the Mackenzie Corridor, Northwest Territories. Air temperature, ground thermal and active layer data acquired from permafrost monitoring sites visited in 2018 are provided in graphical and tabular format. Information about the changes in ground temperatures and active layer thickness over time is also presented. Results indicate that permafrost generally continues to warm at most sites in the corridor. Active layer thickness has generally increased since 2008 and exceeded the long-term mean since 2009. This report will be distributed to community organizations and stakeholders in the study region to provide an update on field activities. The ground thermal and active layer data presented provide essential baseline information that can be utilized by stakeholders and others for purposes such as land management activities, regulatory processes and planning of northern infrastructure.
GEOSCAN ID321921

 
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