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AWWA WQTC71456
- Treatability Implications of Upstream Land Disturbance in a Changing Climate
- Conference Proceeding by American Water Works Association, 11/01/2009
- Publisher: AWWA
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In 2003, the Lost Creek wildfire impacted the upper Oldman River Watershed in Alberta, Canada. Itwas one of the more severe recorded fires in the eastern slopes of the Rocky Mountains. An annularflume was used to study downstream propagation of sediment (and therefore associated contaminants)in burned and reference (unburned) watersheds. Annular flume studies are common to studyingdownstream contaminant transport and the outcomes are a conceptual analog to annular reactor studiesof drinking water distribution systems. Factors including applied shear stress, geochemical and physicalproperties of the sediment, floc structural characteristics and biofilm growth period (2, 7, 14 days) wereexamined to determine their effect on sediment erosion and bed stability. Includes 14 references.
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