Sound characteristic analysis of sound-pipe-breakwater on the east-coast in Gangneung South Korea Free

There is mysterious sounds which can hear after 2010 the new breakwater construction, in a small port city “Yung-Jin” of Gangneung East Sea of Korea. In particular, the mysterious sounds are spread loud honk, when north-east wind are blown in fall and winter of the seasons. People, who have heard the sound that is regarded as a sinister sound, called that like “Kelpie sound,” “Sea whistle,” and “Pipe sound.” This is an ordinary concrete breakwater structure, which has prevented the waves by rocks and tetrapods. The waves are usually considered wind-driven waves. The wind and waves were blocked in rocks and tetrapods. In this time, the wind causes a vortex by the tetrapods. The waterway of the inner harbor and the ocean filter a particular sound out. We can hear and analyze the Mysterious Sound of sound-pipe-breakwater, although the design of the breakwater is not to produce sound. In this study, we investigate and analyze the truth of the strange noises of breakwaters.