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Modeling the Morphodynamics of Coastal Responses to Extreme Events: What Shape Are We In?
Annual Review of Marine Science ( IF 14.3 ) Pub Date : 2022-01-03 , DOI: 10.1146/annurev-marine-032221-090215
Christopher R Sherwood 1 , Ap van Dongeren 2, 3 , James Doyle 4 , Christie A Hegermiller 1 , Tian-Jian Hsu 5 , Tarandeep S Kalra 6 , Maitane Olabarrieta 7 , Allison M Penko 8 , Yashar Rafati 5 , Dano Roelvink 2, 3, 9 , Marlies van der Lugt 2, 9 , Jay Veeramony 8 , John C Warner 1
Affiliation  

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.

中文翻译:


模拟海岸对极端事件的响应的形态动力学:我们处于什么状态?

本综述重点关注极端风暴对沙质海岸影响的基于过程的数值模型的最新进展。在更大规模的气象学和流体动力学模型的推动下,这些模型模拟了整个 Salenger 风暴影响尺度的形态动力学,包括浪涌、碰撞、过冲和洪水。模型变得更宽(随着更多过程的添加)和更深(因为详细的物理取代了早期的参数化)。浅滩波浪下的波浪诱导流动和泥沙输送算法是最近的发展之一。社区和开源模式已成为常态。对初始条件(地形、土地覆盖和沉积物特征)的观察变得更加详细,热带气旋和波浪模型的改进提供了强迫(风、波浪、浪涌、和高地流)更好地解决和更准确,从而在模型技能方面产生相应的改进。我们预计未来的风暴影响模型将越来越多地解决单个波浪,应用数据同化,并用于集合建模模式以预测不确定性。

更新日期:2022-01-04
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