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Do currents influence waves?

Boussinesq approximation (water waves)

Waves and shallow water

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Yes, currents do influence waves. Currents can alter the wavenumber, amplitude, length, and direction of waves in nearshore regions. The effect of currents on waves in phase-resolving wave models is complex and requires appropriate boundary conditions, a large domain size, and a long simulation duration . The presence of currents can significantly change the wave field, including the surface elevation, wave height, wavelength, horizontal particle velocity, and pressure fields . The influence of currents on trapped topographic waves in the Norwegian Sea has been studied, showing a decrease in wavelength and noticeable variations in mean current due to nonlinearity . In SWAN, a wave model, the prediction of wave penetration into tidal inlets under ambient current has been assessed, with the ambient current having a significant effect on wave parameters .

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Journal Article•DOI Influence of currents on weakly nonlinear topographic waves A. A. Slepyshev 15 Dec 2010-Physical Oceanography	Yes, currents influence waves. The paper discusses the influence of currents on the dispersion properties of trapped topographic waves in the Norwegian Sea. It shows that the influence of currents is significant in the short-wave region and leads to a decrease in wavelength for a fixed period of waves.
Open access Wave propagation under influence of currents C. Gautier, A. J. Van der Westhuysen - Show less +1 more 19 Nov 2010 6 Citations	Yes, the paper states that ambient currents have a significant effect on wave parameters, such as wave height and mean period. The addition of enhanced current-induced whitecapping also impacts wave height.
Open access•Journal Article•DOI Effect of currents on nonlinear waves in shallow water Arun Kumar, Masoud Hayatdavoodi - Show less +1 more 01 Jan 2023-Coastal Engineering 2 Citations	Yes, currents do influence waves. The paper investigates the effect of various forms of currents on regular nonlinear waves in shallow water. It concludes that the presence of currents can significantly alter the wave field, with the current profile and direction playing a significant role in the change of the wave field.
Including the effect of depth-uniform ambient currents on waves in a non-hydrostatic wave-flow model Dirk P. Rijnsdorp, Arnold van Rooijen, Ad Reniers, Marion Tissier, Floris de Wit, Marcel Zijlema - Show less +5 more 04 Jan 2023	Yes, currents can affect the evolution of waves in nearshore regions by altering their wavenumber and amplitude. This is mentioned in the abstract of the provided paper.
Open access•Posted Content•DOI Including the effect of depth-uniform ambient currents on waves in a non-hydrostatic wave-flow model 04 Jan 2023	Yes, currents can affect the evolution of waves in nearshore regions by altering their wavenumber and amplitude.

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