The relative contribution of waves, tides, and nontidal residuals to extreme total water levels on U.S. West Coast sandy beaches
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Abstract
To better understand how individual processes combine to cause flooding and erosion events, we investigate the relative contribution of tides, waves, and nontidal residuals to extreme total water levels (TWLs) at the shoreline of U.S. West Coast sandy beaches. Extreme TWLs, defined as the observed annual maximum event and the simulated 100 year return level event, peak in Washington, and are on average larger in Washington and Oregon than in California. The relative contribution of wave-induced and still water levels (SWL) to the 100 year TWL event is similar to that of the annual maximum event; however, the contribution of storm surge to the SWL doubles across events. Understanding the regional variability of TWLs will lead to a better understanding of how sea level rise, changes in storminess, and possible changes in the frequency of major El Niños may impact future coastal flooding and erosion along the U.S. West Coast and elsewhere.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The relative contribution of waves, tides, and nontidal residuals to extreme total water levels on U.S. West Coast sandy beaches |
| Series title | Geophysical Research Letters |
| DOI | 10.1002/2016GL071020 |
| Volume | 44 |
| Issue | 4 |
| Year Published | 2017 |
| Language | English |
| Publisher | AGU |
| Contributing office(s) | St. Petersburg Coastal and Marine Science Center |
| Description | 9 p. |
| First page | 1839 |
| Last page | 1847 |
| Country | United States |
| State | California, Oregon, Washington |
| Google Analytic Metrics | Metrics page |