Water Waves Generated by Landslides in Reservoirs

by D. Donald Davidson, Chief; Wave Research Branch, USAE Waterways Experiment Station, Vicksburg, Miss.,
Bruce L. McCartney, (M.ASCE), Hydr. Engr.; Coastal Engrg. Research Center, Fort Belvoir, Va.,

Serial Information: Journal of the Hydraulics Division, 1975, Vol. 101, Issue 12, Pg. 1489-1501

Document Type: Journal Paper


A hydraulic model investigation has been conducted to ascertain the magnitude of wave height and runup to be expected from potential landslides in Lake Koocanusa at Libby Dam, Montana. Although this investigation is of a particular site, it furnishes valuable information and insight into general problems of waves resulting from landslides that might be pertinent to other areas. The model study results show the wave heights and runup to be expected at various pool elevations as well as the effect and corrective measures proposed to reduce wave heights to an acceptable level. This paper presents the Libby prototype problem, model concepts, some experimental data, and conclusions pertinent to the prediction of landslide generated water waves.

Subject Headings: Water waves | Wave runup | Wave generation | Landslides | Reservoirs | Hydraulic models | Site investigation | Wave height | Montana | United States

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