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TitleMean maximum depth of snow and time of occurrence / Épaisseur maximale moyenne de neige et date moyenne d'observation
DownloadDownloads
AuthorCanada Surveys and Mapping Branch
SourceHydrological Atlas of Canada 11, 1978, 1 sheet
Year1978
PublisherCanada Surveys and Mapping Branch
Documentserial
Lang.English; French
Maps1 map
Map Info.hydrographic, 1:10,000,000
ProjectionLambert Conformal Conic Projection
Mediapaper; on-line; digital
File formatpdf; jpg
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
Subjectshydrogeology; environmental geology; environmental geology; hydrology; precipitation; climate
Abstract(unpublished)
The map shows the mean maximum depth of snow in centimetres, the standard deviation of the mean maximum depth of snow, and the mean date of mean maximum depth of snow. The information shown on the map is compiled from 1961 1970 snow course data in conjunction with 1955 1972 snow depth data. An appreciation of the quantity of snow in storage within a drainage basin during late winter is critical to spring flood forecasting. As well, decisions regarding overland transport and wildlife control can be rationally taken. Snow courses have been established to estimate regional snow depth and water equivalent, but the cover is also measured by all principal meteorological stations and by many climatological stations. The depth is measured either by inserting a graduated probe in a relatively drift-free area or by recording the height of the snow indicated by a stationary object such as a stake positioned in the ground prior to snow accumulation. Since the snow surface is irregular in most areas because o
GEOSCAN ID295280