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Bow River BioSonics pilot survey with water quality ground-truth monitoring

Description

This study was initialized to test and validate an innovative survey technique adopting the BioSonics DT-X echosounder, which has been successfully applied for surveying vegetation and sediment in... More ≫

Description

This study was initialized to test and validate an innovative survey technique adopting the BioSonics DT-X echosounder, which has been successfully applied for surveying vegetation and sediment in many estuary and lake systems, but not for a shallow riverine system, like the Bow River in Alberta, Canada. The site for this study was selected to be a 500 meter reach on the Bow River just below the City of Calgary’s major wastewater treatment plant, the Bonnybrook Plant, where substantial levels of aquatic vegetation exist during summer. The BioSonics survey was performed three times under different growing seasons in 2010.

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Hydrology study, Bow and Elbow River updated hydraulic model project, Rev. A.

Description

The City of Calgary, in partnership with Alberta Environment, plans to create a hydraulic model of the Bow and Elbow Rivers through Calgary, to support emergency response planning and operations... More ≫

Description

The City of Calgary, in partnership with Alberta Environment, plans to create a hydraulic model of the Bow and Elbow Rivers through Calgary, to support emergency response planning and operations through flood inundation mapping. The model will provide additional perspective on current flood hazard area management and will provide a basis for increased understanding of fish habitat, river morphology and erosion, water quality and storm water runoff impacts. The first component of the project was a hydrology study, which was contracted to Golder Associates Ltd. and is the subject of this report. The hydrology study is required to determine the flood magnitudes for Bow River and its tributaries through the city for use in the hydraulic model.

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Cochrane - Bow River, Bighill and Jumpingpound Creeks - flood hazard study

Description

This study delineates flood hazard areas and determines design flood levels along the Bow River and Bighill and Jumpingpound Creeks through Cochrane. The study area includes about 27 kilometres of... More ≫

Description

This study delineates flood hazard areas and determines design flood levels along the Bow River and Bighill and Jumpingpound Creeks through Cochrane. The study area includes about 27 kilometres of the Bow River, almost five kilometres of Bighill Creek and about five kilometres of Jumpingpound Creek. Ice jam flooding is the design condition along the Bow River. The study uses analysis of historic ice jam data at River Avenue Bridge to determine 100-year ice jam water levels along the Bow River mainstem. Open water flooding is the design condition for Bighill and Jumpingpound Creeks. The design discharges for Bighill and Jumpingpound Creeks are 20.8 m³/s and 323 m³/s respectively. The headwaters of the Bow River are in the Rocky Mountains upstream of Lake Louise. Although there are a number of storage reservoirs in the basin upstream of Cochrane, their primary purpose is to provide hydroelectric power and thus they offer little opportunity to moderate flood flows. The original study...

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City of Calgary floodplain study

Description

A detailed hydrologic and hydraulic study has been carried out to delineate the floodway and floodplain areas for the 1% (1 in 100 year) flood for the Bow River, Elbow River and Nose Creek through... More ≫

Description

A detailed hydrologic and hydraulic study has been carried out to delineate the floodway and floodplain areas for the 1% (1 in 100 year) flood for the Bow River, Elbow River and Nose Creek through the City of Calgary.

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