This is the first module of a two-part series offering an introduction to the science explaining catastrophic dam failure and flood-wave prediction methods associated with these events. Through use of rich illustrations, animations, and interactions, this module explains key terminology and concepts including dam types and purposes, failure statistics, the general dam failure process, open channel hydraulics, critical flow, Manning's equation, and conveyance. The information covered in this two module series will provide a scientific foundation for advanced course work needed to run dam break simulations and to conduct hydraulic modeling as a part of dynamic wave forecasting.
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After completing this module you should be able to:
- Define dam-related terminology
- Identify dam types and purposes
- Be familiar with dam failure modes and statistics
- Comprehend the basic principles of open channel hydraulics
- Recognize subcritical, critical, and supercritical flow conditions
- Understand the elements of Manning’s equation
- Be familiar with the concept of conveyance
hydrology, hydrologic cycle, dam failure, dam types, dam failure mode, dam failure statistics, open channel hydraulics, subcritical flow, critical flow, supercritical flow, Manning’s equation, conveyance, hydrologically significant dams, national inventory of dams, hydrostatic forces, conservation storage, dead storage, flood control, induced surcharge, emergency drawdown, rule curve, overtopping, piping and seepage, elevation head, pressure head, hydrostatic pressure head, velocity head, specific head, head loss, kinetic energy, potential energy, hydraulic jump, Froude number, , flow conditions, embankment dam, gravity dam, buttress dam, arch dam, tailings dam, elevation datum, vertical datum, mean sea level, grout curtain, breach, foundation failure, Bernoulli’s Principle, energy gradeline, flow transition, specific head diagram, wave celerity, water velocity, hydraulic jump, HEC-RAS, FLDWAV
July 2020 - The lesson was updated to current internet standards (mp4/html5), with no changes to content.
