Landslide-Generated Wave Studies

by Clifford A. Pugh, (M.ASCE), US Bureau of Reclamation, Denver, CO, USA,
Wen-Li Chiang, (M.ASCE), US Bureau of Reclamation, Denver, CO, USA,

Document Type: Proceeding Paper

Part of: Water Forum '86: World Water Issues in Evolution


A serious safety of dams problem is associated with large masses of rock and debris plunging into lakes and causing damaging water waves. This concern prompted the Bureau of Reclamation to study a series of landslides in the canyon upstream from Morrow Point Dam. The problem was studied in a physical model of part of the reservoir and three of the landslides. An empirical prediction method was developed as a result of the physical model studies to predict maximum wave heights. A mathematical model was also developed as a part of the studies by Tetra Tech, Inc. , under contract with the Bureau of Reclamation. This paper briefly describes the physical model study, the empirical prediction method, and the numerical model.

Subject Headings: Water waves | Landslides | Mathematical models | Physical models | Numerical models | Hydraulic models | Dam safety | Rock masses

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