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Hydraulic modelling of the Peace-Athabasca Delta under modified and natural flow conditions

Author: B Aitken; R Sapach; Northern River Basins Study (Canada)
Publisher: Edmonton : The Study, 1994.
Series: Northern River Basins Study project report, no. 43.
Edition/Format:   Print book : National government publication : English
Summary:
Construction of the Bennett Dam in British Columbia altered natural fluctuations of downstream flows in the Peace River in Alberta, with major implications for the ecosystem of the Peace-Athabasca Delta. In later years, downstream weirs were constructed to restore the water level regime in the Delta. This report presents the results of a modelling exercise undertaken in an attempt to assess the effect of the weirs  Read more...
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Material Type: Government publication, National government publication
Document Type: Book
All Authors / Contributors: B Aitken; R Sapach; Northern River Basins Study (Canada)
ISBN: 0662225597 9780662225591
OCLC Number: 31519592
Description: vi, 45, [152] p. : ill., maps ; 28 cm.
Series Title: Northern River Basins Study project report, no. 43.
Responsibility: prepared for the Northern River Basins Study under project 1151-B1 by B. Aitken and R. Sapach.

Abstract:

Construction of the Bennett Dam in British Columbia altered natural fluctuations of downstream flows in the Peace River in Alberta, with major implications for the ecosystem of the Peace-Athabasca Delta. In later years, downstream weirs were constructed to restore the water level regime in the Delta. This report presents the results of a modelling exercise undertaken in an attempt to assess the effect of the weirs and the dam on the Delta water levels during 1985-90, at which time Lake Athabasca water levels were low and it was not clear whether the weirs were functioning properly or if the low water levels were caused by low flows coming from the upper Peace and Athabasca river basins. The methodology uses a one-dimensional hydrodynamic model, suitably modified and calibrated. The appendices include numerous plots of water levels indicating the effects of the weirs and dam on natural conditions.

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Primary Entity

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