Seasonal aspects of surface and advective heat fluxes of Kootenay Lake, British Columbia [Canada]

A description is given of the heat and water balances of Kootenay Lake, British Columbia. Although the lake has a moderately high throughflow (781 m3 s−1), the heat budget is more in character with a lake that is little influenced by rivers. The discussion focuses upon the role of rivers in the ther...

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Bibliographic Details
Published in:Water resources research 1982-10, Vol.18 (5), p.1493-1502
Main Authors: Wiegand, R.C, Carmack, E.C, Daley, R.J, Gray, C.B.J, Jasper, S, Pharo, C.H
Format: Article
Language:English
Subjects:
Freshwater
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Summary:A description is given of the heat and water balances of Kootenay Lake, British Columbia. Although the lake has a moderately high throughflow (781 m3 s−1), the heat budget is more in character with a lake that is little influenced by rivers. The discussion focuses upon the role of rivers in the thermal history of lakes; a contrast is drawn between Kootenay Lake and Kamloops Lake, British Columbia, a strongly riverine lake with a much greater heat budget. It is suggested that the riverine nature of lakes can be characterized using a renewal time that applies to that region of the lake lying above the base of the river plume. Furthermore, the relative roles of advective and surface effects can be qualitatively described using a ratio of surface buoyancy or wind energy to river production of turbulent energy. These parameterizations may prove to be useful descriptors in a lake classification system based upon riverine quality.
ISSN:0043-1397
1944-7973
DOI:10.1029/WR018i005p01493