Unstructured swan modelling of free infragravity waves over the Southern North Sea
Gal Akrish (TU Delft - Civil Engineering & Geosciences)
Ad Reniers (TU Delft - Civil Engineering & Geosciences)
Dirk Rijnsdorp (TU Delft - Civil Engineering & Geosciences)
Marcel Zijlema (TU Delft - Civil Engineering & Geosciences)
Jantien Rutten (TU Delft - Civil Engineering & Geosciences)
Marion Tissier (TU Delft - Civil Engineering & Geosciences)
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Abstract
Infragravity (IG) waves are relatively long waves with typical periods of several tens of seconds to several minutes. The energy at the IG band plays an important role in nearshore areas. For example, IG waves can significantly contribute to dune erosion and sediment transport (e.g., Roelvink et al., 2009), and may excite harbor oscillations (e.g., Bowers, 1977). Furthermore, IG waves may result in destructive inundation events (e.g., Roeber and Bricker, 2015). These documentations of IG waves' impacts emphasise the necessity to account for IG contributions as part of coastal hazard assessments, especially under storm conditions.
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