Vertipools are artificial rockpools that can be retrofitted to vertical sea walls, they are usually used in regards to increasing biodiversity and species richness in a costal region, but I am looking into how these artificial rock pools can be used to reduce the level of overtopping that occurs at sea walls. I have an advisor but am keen to get other coastal engineers opinion. My results show that for regular waves frequencies of 0.4 and 0.65 Hz produce the most overtopping but the lowest amount of overtopping occurs at 0.5 Hz. But I would assume that the higher the frequency of the wave the more energy the wave has so the more overtopping. Higher frequency waves have shorter wave lengths so that could be the reason. Anyone have any idea about this ?