Comparison of ICEJAM and RIVJAM Ice Jam Profile Models
Publication: Journal of Cold Regions Engineering
Volume 13, Issue 4
Abstract
A review and comparison of two numerical ice jam profile models is provided. The first is the RIVJAM model, developed at the National Water Research Institute in Canada. The second is the ICEJAM model, which was developed at the University of Alberta and which forms the basis of the solution algorithm in the ice jam calculation routine recently implemented in HEC-RAS. Both the RIVJAM and ICEJAM models solve an ice jam stability equation in conjunction with one-dimensional, steady, gradually varied flow, and both have the capacity to compute profiles for equilibrium and nonequilibrium ice jams. The focus of the investigation is to compare the analytical equations solved, the numerical solution approaches, the required boundary conditions, and the relative sensitivity of the models' calibration parameters. Similarities between the models' governing equations and solution techniques are illustrated through direct comparison of the analytical equations and through model application. Differences between the models' boundary conditions and relative success of calibration are illustrated through the application to case studies.
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Information & Authors
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Published In
Journal of Cold Regions Engineering
Volume 13 • Issue 4 • December 1999
Pages: 180 - 198
History
Received: Jan 27, 1999
Published online: Dec 1, 1999
Published in print: Dec 1999
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