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TitleHydrogeological regions of Canada: Data release
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AuthorSharpe, D R; Russell, H A J; Grasby, S E; Wozniak, P R J
SourceGeological Survey of Canada, Open File 5893, 2008, 20 pages; 1 CD-ROM, https://doi.org/10.4095/226194 (Open Access)
LinksMetadata - Métadonnées
Year2008
PublisherNatural Resources Canada
Documentopen file
Lang.English
MediaCD-ROM; digital; on-line
File formatreadme
File formatpdf; shp; mdb; csv; xls; txt
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
AreaCanada
Lat/Long WENS-141.0000 -50.0000 90.0000 41.7500
Subjectshydrogeology; groundwater; groundwater resources; groundwater regimes; groundwater surveys; groundwater circulation; groundwater flow; discharge rates; groundwater discharge; permafrost; freezing ground; hydrologic budget
Illustrationslocation maps; flow charts; tables
ProgramGroundwater Mapping Program
Released2008 12 22
AbstractThe Hydrogeological Regions Map depicts first order regions of Canada that have distinct groundwater systems. The country is assigned to nine regions as determined by frozen ground, geology, and physiography. Frozen ground has a dominant affect in the continuous permafrost region and the southern limit of this region cuts across both physiographic and geological features. Geology controls surface expression of the landscape and subsurface water-bearing characteristics, and the bedrock contacts that delineate geological terrains and basins represent the major region boundaries. Physiographic features are influenced by geology and coincide closely with geological boundaries but also divide geological units where elevation dominates, primarily along the eastern limit of the Cordillera. Physiographic features provide hydraulic gradients for regional and local flow and combine with climatic and run-off characteristics to dictate the regional moisture surplus or deficit that affects recharge to and discharge from groundwater systems. Moisture index isolines based on the Thornthwaite classification overlay the regions to provide a sense of moisture deficiency or surplus.
GEOSCAN ID226194