# The beach face is the area over the mean

Fig. 2. Computational grids of the wave propagation (SWAN) and coastal processes (XBeach) model [water depths in m].Figure optionsDownload full-size imageDownload as PowerPoint slide

Table 1.

Wave conditions: significant wave height (Hs), peak PHA739358 (Tp), direction (θ) and directional spreading (s); and wave transmission coefficient (Kt) for the different case studies.Case studyHs (m)Tp (s)θ (°)s (°)KtCS1312315 (NW)26.500.76CS23.511315 (NW)26.340.78Full-size tableTable optionsView in workspaceDownload as CSV

Fig. 3. The three locations considered for the wave farm, at distances of 2 km, 4 km and 6 km from the reference (10 m water depth) contour [water depth in m].Figure optionsDownload full-size imageDownload as PowerPoint slide

To measure the impact of the wave farm on the wave conditions in its lee an impact indicator was defined: the Reduction in the Significant wave Height, RSHi,equation(2)RSHi(x,y)=Hs,b(x,y)−1(Hs,b(x,y)−Hs,fi(x,y)),withi=2km,4kmor6km,where the subindex i refers to the position of the wave farm, and Hs,b and Hs,fi are hypothesis the significant wave height in the baseline scenario and with the wave farm, respectively, at a point of the coast designated by its coordinates (x,y), with the x-coordinate referring to the easting and the y-coordinate to the northing. This non-dimensional indicator quantifies the shadow caused by the wave farm in its lee.