Fundamental Study of Wave Over-Topping on Levees

Kikkawa, Hideo; Shi-igai, Hiroyoshi; Kono, Tsugio

doi:10.1080/05785634.1968.11924074

Cited by 15 publications

(3 citation statements)

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“…Hedges and Reis (1998) proposed a semiempirical formula based on an overtopping theory for regular waves developed by Kikkawa et al (1968). This formula assumes that the seawall acts as a weir, and that the instantaneous discharge may be described by the weir formula.…”

Section: Hedges and Reis (1998) Equationmentioning

confidence: 99%

Wave Runup and Overtopping at Seawalls Built on Land and in Very Shallow Water

Mase

Tamada

Yasuda

et al. 2013

J. Waterway, Port, Coastal, Ocean Eng.

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The current study proposes prediction formulas both for random wave runup and mean overtopping discharge at seawalls constructed on land or in very shallow water. Although several existing formulas for runup and overtopping use the incident wave characteristics at the toes of seawalls, this study adopts the equivalent deepwater wave characteristics and an imaginary seawall slope for easy application of the formulas, especially in relation to seawalls constructed on land. The prediction formulas for overtopping use the predicted runup values. For the wave runup prediction formulas two sets of experimental data are used; i.e., a new set of data and the data obtained in a previous study. For the wave overtopping prediction formulas, the experimental data measured in a previous study are used. Comparisons with measurements show good performances of both new prediction methods.

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Section: Hedges and Reis (1998) Equationmentioning

confidence: 99%

Wave Runup and Overtopping at Seawalls Built on Land and in Very Shallow Water

Mase

Tamada

Yasuda

et al. 2013

J. Waterway, Port, Coastal, Ocean Eng.

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“…Literature presents a number of empirical wave overtopping models (e.g., [140][141][142][143][144][145][146][147][148][149][150][151][152][153]). Typically models calculate a dimensionless overtopping rate that considers freeboard (crest elevation above still water level) and wave characteristics (significant wave height and peak period).…”

Section: Empirical Wave Overtopping Modelsmentioning

confidence: 99%

Coastal Flood Modeling Challenges in Defended Urban Backshores

et al. 2018

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Coastal flooding is a significant and increasing hazard. There are multiple drivers including rising coastal water levels, more intense hydrologic inputs, shoaling groundwater and urbanization. Accurate coastal flood event prediction poses numerous challenges: representing boundary conditions, depicting terrain and hydraulic infrastructure, integrating spatially and temporally variable overtopping flows, routing overland flows and incorporating hydrologic signals. Tremendous advances in geospatial data quality, numerical modeling and overtopping estimation have significantly improved flood prediction; however, risk assessments do not typically consider the co-occurrence of multiple flooding pathways. Compound flooding refers to the combined effects of marine and hydrologic processes. Alternatively, multiple flooding source–receptor pathways (e.g., groundwater–surface water, overtopping–overflow, surface–sewer flow) may simultaneously amplify coastal hazard and vulnerability. Currently, there is no integrated framework considering compound and multi-pathway flooding processes in a unified approach. State-of-the-art urban coastal flood modeling methods and research directions critical to developing an integrated framework for explicitly resolving multiple flooding pathways are presented.

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“…Cross and Sollitt (1970) derive an analytic expression for overtopping volumes caused by monochromatic waves, but they do not attempt to extrapolate to irregular waves. Kikkawa, Shi-Igai, and Kono (1968) treat monochromatic wave overtopping as a form of weir flow. Jensen and Sorensen (1979) present dimensionless equations and curves for estimating overtopping volumes, but do not clearly describe either the dimensionless variables or the empirical coefficients.…”

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confidence: 99%

Review and comparison of methods for estimating irregular wave overtopping rates / by Scott L. Douglass.

Douglass¹

1986

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Destroy this report when no longer needed. Do not return it to the originator. The findings in this report are not to be construed as an official Department of the Army position unless so designated by other authorized documents. The contents of this report are not to be used for advertising, publication, or promotional purposes. Citation of trade names does not constitute an official endorsement or approval of the use of such commercial products.

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Fundamental Study of Wave Over-Topping on Levees

Cited by 15 publications

References 0 publications

Wave Runup and Overtopping at Seawalls Built on Land and in Very Shallow Water

Wave Runup and Overtopping at Seawalls Built on Land and in Very Shallow Water

Coastal Flood Modeling Challenges in Defended Urban Backshores

Review and comparison of methods for estimating irregular wave overtopping rates / by Scott L. Douglass.

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