The Processes, Patterns and Impacts of Low Flows Across Canada
Authors:
- Donald H BurnDBDonald H Burn
- James M ButtleJBJames M Buttle
- Daniel CaissieDCDaniel Caissie
- Greg MacCullochGMGreg MacCulloch
- Chris SpenceCSChris Spence
- Kerstin StahlKSKerstin Stahl
- 23 January 2008
- journal article
- Published by Taylor & Francis in Canadian Water Resources Journal / Revue canadienne des ressources hydriques
- Vol. 33 (2) , 107-124
Abstract
This paper provides an overview of low flow characteristics for six regions of Canada: the Arctic; the Mountains; the Prairies; southern Ontario; the Canadian Shield and the Atlantic. Processes that influence low flows are contrasted between the six regions examined. Data from a common analysis period for 51 gauging stations are used to evaluate flow duration curves and to explore the relationship between low flows and drainage area. The results reveal a diversity of processes influencing low flows and illustrate important regional differences in low flow characteristics and the impacts associated with low flows. La présente communication offre un survol des caractéristiques de basses eaux pour six régions du Canada : l'Arctique; les Rocheuses; les Prairies; le sud de l'Ontario; le Bouclier canadien et la région de l'Atlantique. Les processus qui influent sur les étiages sont comparés entre les six régions étudiées. Les données obtenues à partir d'une période d'analyse commune pour 51 stations hydrométriques sont utilisées afin d'évaluer les courbes des valeurs classées des débits et d'analyser la relation entre les basses eaux et les bassins hydrographiques. Les résultats révèlent une diversité de processus qui influent sur les basses eaux et illustrent les importantes différences régionales dans les caractéristiques des basses eaux et dans les impacts qui y sont associés.Keywords
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