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TitleHigh-resolution mapping of glacial landscapes in central mainland Nunavut using ArcticDEM data and Landsat 8 imagery
AuthorMcMartin, IORCID logo; Godbout, P -M; Campbell, J E; Tremblay, TORCID logo; Behnia, P
Source2020 NWT and Nunavut Geoscience Forum, presentations; 2020 p. 1, 1 sheet Open Access logo Open Access
LinksOnline - En ligne
Alt SeriesNatural Resources Canada, Contribution Series 20200550
Meeting2020 NWT and Nunavut Geoscience Forum; November 23, 2020
DocumentWeb site
Mediaon-line; digital
RelatedThis publication is related to the following publications
File formathtml; pdf
NTS46D; 46E; 46K; 46K/04; 46K/05; 46L; 46M; 46N/04; 46N/05; 55; 56; 65A; 65B; 65G; 65H; 65I; 65J; 65O; 65P; 66A; 66B; 66G; 66H; 66I; 66J; 66O; 66P
AreaHudson Bay; Wager Bay; Chesterfield Inlet
Lat/Long WENS-100.0000 -85.6667 68.0000 60.0000
Subjectssurficial geology/geomorphology; geophysics; Nature and Environment; Science and Technology; glacial landforms; glacial features; crag and tail; moraines; moraine, de geer; eskers; meltwater channels; ice margins; roches moutonnees; glacial striations; relative ages; glacial history; glaciation; ice sheets; ice flow; deglaciation; ice retreat; remote sensing; satellite imagery; Laurentide Ice Sheet; ArcticDEM; Landsat 8; Geographic data; Geographic information systems; moraine ridges; esker ridges; limit of submergence, marine; ice-flow directions; subglacial meltwater corridors; Phanerozoic; Cenozoic; Quaternary
Illustrationslocation maps; geoscientific sketch maps; photographs; satellite images; digital elevation models
ProgramGEM2: Geo-mapping for Energy and Minerals Rae Province, Synthesis of glacial history
Released2020 11 23
A new glacial geomorphology map covers 415 000 km2 in a core region of the Laurentide Ice Sheet in Nunavut. The compilation builds on recent and legacy maps and is supplemented by visual digitization of glacigenic features using high-resolution digital elevation (ArcticDEM) and Landsat 8 images. From this unprecedented, detailed inventory of >152 000 features and >14 000 field observations, various glacial land systems were identified, many of which are entirely new and others that are significantly modified or updated.

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