Analysis of an Anomalous Flooding Event in the Peace River in Canada

摘要

This paper provides an analysis of a major river ice breakup on the Peace River in Canada, which ledto the flooding of the Town of Peace River on February 28, 1992. The event is unique, as it occurredin the mid-winter under regulated river conditions with no clear explanation of its cause, and despitethe implementation of extensive mitigation measures. Investigative analysis of weather and river flowconditions in the Peace River region, prior to and during this flooding event, provides clues to thepossible causes of the breakup. These clues could be used to predict similar events in the future withsufficient lead time to avert the occurrence of the ice jam flooding..