Abstract
AbstractUnderstanding wave‐current interactions is crucial to coastal engineering projects and management. However, research gaps still exist in literature, especially on how tides can affect wave dynamics in shallow waters where depth is strongly affected by tidal height variation. This commentary highlights some of these unresolved issues, for an example, in the study of Lu et al. (2021, https://doi.org/10.1029/2021jc017311). We argue that without applying a fully coupled wave‐current model, vertical and horizontal circulation in the surf zone and offshore of embayed beaches can be very different to wave‐driven currents without considering tidal forcing as Lu et al. (2021, https://doi.org/10.1029/2021jc017311) appears to have done.
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