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TitleMapping the sensitivity of Canadian permafrost to climate warming
AuthorSmith, S L; Burgess, M M
SourceInteractions between the cryosphere, climate and greenhouse gases; by Tranter, M (ed.); Armstrong, R (ed.); Brun, E (ed.); Jones, G (ed.); Sharp, M (ed.); Williams, M (ed.); International Association of Hydrological Sciences, Publication no. 256, 1999 p. 71-78
Year1999
Alt SeriesGeological Survey of Canada, Contribution Series 1998272
MeetingInternational Association of Hydrological Science (IAHS) Symposium, Climate Change and Cryosphere Session; Birmingham; UK; July 19-30, 1999
Documentserial
Lang.English
Mediapaper
ProvinceBritish Columbia; Alberta; Saskatchewan; Manitoba; Ontario; Quebec; New Brunswick; Nova Scotia; Prince Edward Island; Newfoundland and Labrador; Northwest Territories; Yukon; Nunavut
NTS1; 2; 3; 10; 11; 12; 13; 14; 15; 16; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 52; 53; 54; 55; 56; 57; 58; 59; 62; 63; 64; 65; 66; 67; 68; 69; 72; 73; 74; 75; 76; 77; 78; 79; 82; 83; 84; 85; 86; 87; 88; 89; 92; 93; 94; 95; 96; 97; 98; 99; 102; 103; 104; 105; 106; 107; 114O; 114P; 115; 116; 117; 120; 340; 560
Lat/Long WENS-141.0000 -50.0000 90.0000 41.7500
Subjectsenvironmental geology; Nature and Environment; permafrost; climate effects; climate; ground ice; environmental impacts; freezing ground; climate change
Illustrationslocation maps; diagrams
AbstractA major concern in climate change impact studies in polar regions is the effect of warming on permafrost. Under climate warming scenarios, permafrost may ultimately disappear from about half of the present Canadian permafrost region. The Geological Survey of Canada, as part of a set of national syntheses of geological responses to climate change, is preparing maps to characterize the response of permafrost to climate warming. Digital data layers of factors that influence permafrost response have been combined to produce maps classifying permafrost within the zone where it may ultimately disappear according to (a) the relative rate of response of its thermal regime to warming, and (b) the relative magnitude of the impact of permafrost thaw. A final map then combines these two components into one sensitivity index.
GEOSCAN ID210304