Modeling morphodynamics of coastal response to extreme events: What shape are we in?
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Abstract
This review focuses on recent advances in process-based numerical models of the impact of extreme storms on sandy coasts. Driven by larger-scale models of meteorology and hydrodynamics, these models simulate morphodynamics across the Sallenger storm-impact scale, including swash, collision, overwash, and inundation. Models are becoming both wider (as more processes are added) and deeper (as detailed physics replaces earlier parameterizations). Algorithms for wave-induced flows and sediment transport under shoaling waves are among the recent developments. Community and open-source models have become the norm. Observations of initial conditions (topography, land cover, and sediment characteristics) have become more detailed, and improvements in tropical cyclone and wave models provide forcing (winds, waves, surge, and upland flow) that is better resolved and more accurate, yielding commensurate improvements in model skill. We foresee that future storm-impact models will increasingly resolve individual waves, apply data assimilation, and be used in ensemble modeling modes to predict uncertainties.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Modeling morphodynamics of coastal response to extreme events: What shape are we in? |
| Series title | Annual Review of Marine Science |
| DOI | 10.1146/annurev-marine-032221-090215 |
| Volume | 14 |
| Year Published | 2022 |
| Language | English |
| Publisher | Annual Reviews |
| Contributing office(s) | Woods Hole Coastal and Marine Science Center |
| Description | 36 p. |
| First page | 457 |
| Last page | 492 |
| Google Analytic Metrics | Metrics page |