Abstract
Each year, ice jams occur on many Canadian rivers, obstructing the flow and causing rapid increases in upstream water levels. Ice jams can significantly affect the river's discharge during their formation and release. However, due to safety and logistical issues, direct discharge measurements on ice jams are impractical. Also, because of the variable backwater effects during such events, rating curves are not applicable. Despite these difficulties, it is possible to estimate the discharge associated with ice jam events using measured ice and water profiles in conjunction with hydraulic modeling. This paper presents an overview of ice jam theory and discusses the type of data that is required to compute a discharge estimate for various ice jam scenarios. Also, guidelines are provided on how to use these data in hydraulic models to estimate discharge.
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Schedule a callMore From: Canadian Water Resources Journal / Revue canadienne des ressources hydriques
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