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Flood frequency analysis : North Saskatchewan River at Edmonton

Description

This study determines flood magnitudes for the North Saskatchewan River at Edmonton. Both natural and regulated annual maximum flood flows are examined in the assessment of the frequency of... More ≫

Description

This study determines flood magnitudes for the North Saskatchewan River at Edmonton. Both natural and regulated annual maximum flood flows are examined in the assessment of the frequency of occurrence of future flood peak flow rates. Recorded flows and water levels within the North Saskatchewan River basin above Edmonton form the basis of the analyses. Several frequency distributions were applied to the annual flood discharge data and the most applicable distribution was selected. The results of the analyses reflect the most current information and methodologies available to determine flood frequency estimates.

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Preliminary report on Cardinal Creek improvement plan

Description

This report discusses channel improvement alternatives along Cardinal Creek, with the objective of providing flood relief so that the floodplain lands can be used for agricultural purposes.... More ≫

Description

This report discusses channel improvement alternatives along Cardinal Creek, with the objective of providing flood relief so that the floodplain lands can be used for agricultural purposes. Several alternatives are examined, with the 1:10 year return flood as the design discharge. It was found that the work required to increase the channel capacity to the 1:10 year flood discharge would cost in excess of $1 million. It is, therefore, recommended that all beaverdams and abandoned bridges be removed completely from the creek, and that the channel be cleared of brush. With these works, the extend and frequency of overbank flooding would be reduced significantly. Clearing and brushing would be required annually.

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