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Table 2.1
Water resource characteristics, by drainage region
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| Code | Land and water area 1 | Water area 2 | Precipitation 3 | ||||
|---|---|---|---|---|---|---|---|
| Total | As a portion of total area | Share of national water area | Amount | Volume | |||
| km 2 | percent | mm per year | km 3 per year | ||||
| Canada | 9,978,923 | 1,169,561 | 11.7 | 100 | 545 | 5,451 | |
| Pacific Coastal | 1 | 334,455 | 14,219 | 4.3 | 1.2 | 1,354 | 451 |
| Fraser–Lower Mainland | 2 | 233,104 | 8,937 | 3.8 | 0.8 | 670 | 156 |
| Okanagan–Similkameen | 3 | 15,603 | 585 | 3.7 | 0.1 | 466 | 7 |
| Columbia | 4 | 87,323 | 2,348 | 2.7 | 0.2 | 776 | 68 |
| Yukon | 5 | 332,906 | 9,540 | 2.9 | 0.8 | 346 | 115 |
| Peace–Athabasca | 6 | 485,145 | 16,725 | 3.4 | 1.4 | 497 | 241 |
| Lower Mackenzie | 7 | 1,330,490 | 177,000 | 13.3 | 15.1 | 365 | 486 |
| Arctic Coast–Islands | 8 | 1,764,280 | 175,804 | 10.0 | 15.0 | 189 | 333 |
| Missouri | 9 | 27,096 | 915 | 3.4 | 0.1 | 390 | 11 |
| North Saskatchewan | 10 | 150,151 | 7,242 | 4.8 | 0.6 | 443 | 67 |
| South Saskatchewan | 11 | 177,623 | 6,219 | 3.5 | 0.5 | 419 | 74 |
| Assiniboine–Red | 12 | 190,704 | 8,846 | 4.6 | 0.8 | 450 | 86 |
| Winnipeg | 13 | 107,655 | 20,525 | 19.1 | 1.8 | 683 | 74 |
| Lower Saskatchewan–Nelson | 14 | 360,887 | 67,617 | 18.7 | 5.8 | 508 | 183 |
| Churchill | 15 | 313,568 | 51,918 | 16.6 | 4.4 | 480 | 151 |
| Keewatin–Southern Baffin Island | 16 | 939,569 | 161,011 | 17.1 | 13.8 | 330 | 310 |
| Northern Ontario | 17 | 691,809 | 56,064 | 8.1 | 4.8 | 674 | 466 |
| Northern Quebec | 18 | 940,193 | 149,081 | 15.9 | 12.7 | 698 | 656 |
| Great Lakes | 19 | 317,860 | 111,577 | 35.1 | 9.5 | 925 | 292 |
| Ottawa | 20 | 146,353 | 14,550 | 9.9 | 1.2 | 947 | 139 |
| St. Lawrence | 21 | 118,733 | 8,801 | 7.4 | 0.8 | 1,057 | 125 |
| North Shore–Gaspé | 22 | 369,095 | 36,933 | 10.0 | 3.2 | 994 | 367 |
| Saint John–St. Croix | 23 | 41,903 | 1,716 | 4.1 | 0.1 | 1,147 | 48 |
| Maritime Coastal | 24 | 122,057 | 6,495 | 5.3 | 0.6 | 1,251 | 153 |
| Newfoundland–Labrador | 25 | 380,361 | 54,893 | 14.4 | 4.7 | 1,030 | 392 |
Area includes the Canadian portion of the Great
Lakes.
Water area figures are calculated from the
Canada-wide 1-km Water Fraction derived from National Topographic Data
Base maps.
Precipitation values have been estimated from
an Inverse Distance Weighted interpolation of the 1971 to 2000 normals.
Source(s):
Environment Canada, Meteorological Service of Canada, 2008,
Canadian Climate Normals and Averages 1971-2000, http://climate.weatheroffice.gc.ca/climate_normals/index_e.html
(accessed April 27, 2010). Fernandes, R., G. Pavlic, W. Chen,
and R. Fraser, 2001, 1-km Water Fraction From National Topographic
Data Base Maps, Canada, Natural Resources Canada, Earth Science Sector, www.geogratis.ca/geogratis/en/option/select.do?id=8C3D34AE-5BD5-A83C-DB8C-895FB4AD86C6
(accessed April 28, 2010).
