Resolving regions known for intense wave–current interaction using spectral wave models: A case study in the energetic flow fields of Northern Norway

Halsne, Trygve; Bohlinger, Patrik; Christensen, Kai Håkon; Carrasco, Ana; Breivik, Øyvind

doi:10.1016/j.ocemod.2022.102071

Cited by 6 publications

(6 citation statements)

References 27 publications

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“…However, there are areas along the Norwegian coast, e.g. in Northern Norway where strong wave height modulations due to tidal currents have been found (Halsne et al, 2022). In such areas, we expect that surface currents may induce strong wave inhomogeneities.…”

Section: Discussionmentioning

confidence: 99%

In situ coastal observations of wave homogeneity and coherence

Christakos

Gao

Furevik

et al. 2022

Applied Ocean Research

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Section: Discussionmentioning

confidence: 99%

In situ coastal observations of wave homogeneity and coherence

Christakos

Gao

Furevik

et al. 2022

Applied Ocean Research

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“…The current field used here spanned four model output time To the best of our knowledge, no such modeling tool is openly available in a high level computing language despite its usefulness for the investigation and quantification of the impact of ambient currents and bathymetry on the wave field (e.g. Romero et al, 2017Romero et al, , 2020Ardhuin et al, 2012;Masson, 1996;Halsne et al, 2022;Saetra et al, 2021;Sun et al, 2022;Gallet and Young, 2014;Rapizo et al, 2014;Kudryavtsev et al, 2017;Bôas and Young, 2020).…”

Section: Ocean Model Outputmentioning

confidence: 99%

“…Thus, a number of recent studies employ wave ray equation solvers in order to quantify the impact of refraction (e.g. Romero et al, 2017Romero et al, , 2020Ardhuin et al, 2012;Masson, 1996;Halsne et al, 2022;Saetra et al, 2021;Sun et al, 2022;Gallet and Young, 2014;Rapizo et al, 2014;Kudryavtsev et al, 2017;Bôas and Young, 2020;Jones, 2000;Segtnan, 2014;Mapp et al, 1985;Wang et al, 1994;Liu et al, 1994). However, such implementations are rarely open to the community.…”

mentioning

confidence: 99%

“…Bôas and Young, 2020;Mathiesen, 1987;Kenyon, 1971;Rapizo et al, 2014;Kudryavtsev et al, 2017). However, the joint effect of current-and depth-induced refraction at intermediate depth can be important (Halsne et al, 2022).…”

mentioning

confidence: 99%

“…9). Such an example was highlighted in Halsne et al (2022), where the combined refraction of wave rays due to the ambient current and bathymetry caused focusing which led to a significant 345 increase in the local wave height around a caustic (see their Fig. 11).…”

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confidence: 99%

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Ocean wave tracing v.1: A numerical solver of the wave ray equations for ocean waves on variable currents at arbitrary depths.

Halsne

Christensen

Hope

et al. 2023

Preprint

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Abstract. Lateral changes in the group velocity of waves propagating in oceanic or coastal waters causes a deflection in their propagation path. The change in direction is called refraction and can be computed if having information about the ambient current field and/or the bathymetry. We present an open source module for solving the wave ray equations by means of numerical integration in Python v3, which is relevant for ocean applications. The solver is implemented for waves at arbitrary depths and for an ambient current field with spatio-temporal variability much lower than characteristic wave properties. The wave ray tracing module is implemented in a class structure, and the output is verified against analytical solutions as well as tested for numerical convergence. The solver is accompanied by a set of ancillary functions with the aim of supporting relevant workflows for the user community including data retrieval, transformation, and dissemination, and a number of use examples are provided.

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