Concept

Rivière Qu'Appelle

Résumé
The Qu'Appelle River kəˈpɛl is a river in the Canadian provinces of Saskatchewan and Manitoba that flows east from Lake Diefenbaker in south-western Saskatchewan to join the Assiniboine River in Manitoba, just south of Lake of the Prairies, near the village of St. Lazare. It is in a region called the Prairie Pothole Region of North America, which extends throughout three Canadian provinces and five U.S. states. It is also within Palliser's Triangle and the Great Plains ecoregion. With the construction of the Qu'Appelle River Dam and Gardiner Dam upstream, water flow was significantly increased and regulated. Most of the Qu'Appelle's present flow is actually water diverted from the South Saskatchewan River. According to the Saskatchewan Water Security Agency, the Qu'Appelle Valley is made up of two watersheds with the dividing point being Craven Dam on the east side of Craven: The Lower Qu'Appelle Valley is in the south-eastern part of Saskatchewan and covers an area of . The Lower Qu'Appelle Watershed begins at the Craven Dam east of the village of Craven and extends to the Manitoba border. In the Lower Qu'Appelle Valley, the river flows through six major lakes. From west to east are the Pasqua, Echo, Mission, Katepwa, Crooked, and Round Lakes. Major tributaries in this watershed are Loon, Jumping Deer, Pheasant, and Kapsovar Creeks. Lesser tributaries include the Pearl, Indianhead, Redfox, Ekapo, Cutarm, and Scissor Creeks. The Wascana & Upper Qu’Appelle Watersheds are made up of four sub-basins and the Moose Jaw River Watershed. The four sub-basins total about and the Moose Jaw River Watershed adds a further . The total combined drainage basin for the Upper Qu'Appelle Watershed is . The four sub-basins include the Lanigan-Manitou Sub-basin, Wascana Creek Sub-basin, Last Mountain Lake Sub-basin, and the Upper Qu'Appelle Sub-basin. The Upper Qu'Appelle Sub-basin includes all of the remaining land not included in the other basins all the way up to Qu'Appelle River Dam.
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