A Universal Parameter to Predict Subaerial Landslide Tsunamis?
AbstractThe significance of the impulse product parameter P is reviewed, which is believed to be the most universal parameter for subaerial landslide tsunami (impulse wave) prediction. This semi-empirical parameter is based on the streamwise slide momentum flux component and it was refined with a multiple regression laboratory data analysis. Empirical equations based on P allow for a simple prediction of wave features under diverse conditions (landslides and ice masses, granular and block slides, etc.). Analytical evidence reveals that a mass sliding down a hill slope of angle 51.6° results in the highest waves. The wave height “observed” in the 1958 Lituya Bay case was well predicted using P. Other real-world case studies illustrate how efficient empirical equations based on P deliver wave estimates which support hazard assessment. Future applications are hoped to further confirm the applicability of P to cases with more complex water body geometries and bathymetries.
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Heller, V.; Hager, W.H. A Universal Parameter to Predict Subaerial Landslide Tsunamis? J. Mar. Sci. Eng. 2014, 2, 400-412.
Heller V, Hager WH. A Universal Parameter to Predict Subaerial Landslide Tsunamis? Journal of Marine Science and Engineering. 2014; 2(2):400-412.Chicago/Turabian Style
Heller, Valentin; Hager, Willi H. 2014. "A Universal Parameter to Predict Subaerial Landslide Tsunamis?" J. Mar. Sci. Eng. 2, no. 2: 400-412.