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Hydrograph separation using natural isotope and conductance methods in the West Kootenay area of British Columbia

University of British Columbia

The storm runoff of small springs and seeps in the West Kootenays was subjected to hydrograph separation using oxygen-18 and conductance methodologies. The results showed that the vast majority of storm discharge was groundwater. Under peak flow conditions, the ratio of prestorm water to storm water was 0.93 for Morley Spring, 0.88 for Anderson Creek, 0.87 for Elliott Creek, 0.84 for Chou Creek and 0.85 for Tank Creek. Further comparison between prestorm discharge and storm water indicated that the groundwater probably originated as spring snow melt. These implications are discussed with regard to the various logging development plans currently being proposed for the study sites.

Text

2010-05-20

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http://hdl.handle.net/2429/24859

Resource Management and Environmental Studies

University of British Columbia

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