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PRJ-3218 | Experimental Investigation of Wave, Surge, and Tsunami Transformation Over Natural Shorelines: Reduced Scale Physical Model
PI
Co-PIs; ; ; ;
Project TypeExperimental
Natural Hazard Type(s)Flood, Tsunami, Hurricane
Awards
Experimental Investigation of Wave, Surge, and Tsunami Transformation over Natural Shorelines | CMMI-1825080
Related Work
Keywordstsunami, hurricane, engineering with nature, natural and nature-based features, mangroves, physical model
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Description:

This project investigated the potential of mangroves as a natural and nature-based option for coastal flood hazard mitigation through construction of a 1:16- geometric scale physical model, based on post-storm damage assessments following Hurricane Irma (2017) indicated that mangroves of modest cross-shore thickness (O~20m) shielded inland structures and mitigated damage compared to other shoreline treatments. Transient and random waves were generated across an idealized mangrove test section of two cross-shore widths as well as a baseline case to measure mangrove effects on hydrodynamics and loads on sheltered inland structures. This project was part of the experimental campaign, "Collaborative Research: Wave, Surge, and Tsunami Overland Hazard, Loading and Structural Response for Developed Shorelines," with collaborators from the United States Naval Academy, University of Notre Dame, Oregon State University, University of Southern California, University of Hawaii at Manoa, and Hanyang University.

Experiment | Transient Wave Transformation though Reduced-Scale Physical Model of Mangrove Forests of Moderate Cross-Shore Width
Cite This Data:
Tomiczek, T., D. Cox, P. Lomonaco, A. Wargula, A. Kennedy, P. Lynett, T. Maddux (2021). "Transient Wave Transformation though Reduced-Scale Physical Model of Mangrove Forests of Moderate Cross-Shore Width", in Experimental Investigation of Wave, Surge, and Tsunami Transformation Over Natural Shorelines: Reduced Scale Physical Model. DesignSafe-CI. https://doi.org/10.17603/ds2-j0j1-5827

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Author(s); ; ; ; ; ;
FacilityLarge Wave Flume and Directional Wave Basin - Oregon State University
Experiment TypeWave
Equipment TypeDirectional Wave Basin (DWB)
Date of Experiment2019-03-11 ― 2019-03-25
Date Published2021-08-08
DOI10.17603/ds2-j0j1-5827
License
 Open Data Commons Attribution
Description:

Experiments measured hydrodynamics (water surface elevation, velocities) in front of and behind a model mangrove forest of two moderate cross-shore widths. Pressures and loads on sheltered inland structures were also measured to investigate load reduction by mangroves. Tests were performed in the Directional Wave Basin at O.H. Hinsdale Wave Research Laboratory at Oregon State University. Experimental outcomes indicated that the presence of mangroves significantly affected water levels and peak cross-shore velocities behind the forest, and increasing mangrove cross-shore thickness reduced wave loads on the sheltered inland structural elements. The relationship between increasing cross-shore thickness and load reduction was not linear; the relative benefit of increased cross-shore thickness was affected by the amplitudes and representative time scales of the transient waves. Data can be reused to validate computational models and for comparison with other physical model investigations of mangrove effects on wave transformation and load reduction.

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