Author(s): Iahr Working Group On River Ice Hydraulics
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Keywords: No Keywords
Abstract: This report provides a classification system for ice jams, a review of the state of the art of ice jam analysis, and recommendations for future work. It begins by defining an ice jam as "a stationary accumulation of fragmented ice or frazil that restricts flow. ” Based on this definition, a classification system is outlined that categorizes ice jams according to their season of formation, dominant formation process, vertical and horizontal extent, and state of evolution. Recommendations for both expedient and long-term field documentation programs are discussed, and the proposed measurements are related to analytical requirements. The report then describes the current state of the art in ice jam theory, physical modeling, and mitigation techniques. The report concludes with recommendations for future work, including both research and technology transfer needs.
Year: 1986