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http://dx.doi.org/10.7846/JKOSMEE.2012.15.3.177

Characteristics of Incident Waves on Seaweed Farm Field Around Gumil-up Sea, Wando  

Jeon, Yong-Ho (Research Center for Ocean Industrial Development, Pukyong National Univ.)
Yoon, Han-Sam (Research Center for Ocean Industrial Development, Pukyong National Univ.)
Kim, Dong-Hwan (Department of Ocean Engineering, Pukyong National Univ.)
Kim, Heon-Tae (Department of Ocean Engineering, Pukyong National Univ.)
Publication Information
Journal of the Korean Society for Marine Environment & Energy / v.15, no.3, 2012 , pp. 177-185 More about this Journal
Abstract
Wave field measurements were made over a period of 18 days to study the spatial distribution of incident wave on seaweed tarm field around Gumil-up Sea, Wando, Korea. These measured data were compared with data from the Geomun-do ocean weather/wave observation buoy. A numerical simulation model that combined the offshore design wave with the seasonal normal incoming wave was used to study the incident wave distribution surrounding a seaweed farm. The results are summarized as follows. (1) On-site wave measurements showed that the major relationship between maximum and significant wave height was $H_{max}=1.6H_{1/3}$. (2) Offshore incident wave energy reaching the coast was greatly influenced by the wind direction. A north wind reduced the incident wave energy and a south wind increased it. (3) The calculated maximum wave height under the design wave boundany conditions was in the range of 4~5 m and the reduction in the incident wave height ratio ranged from approximately 38.1% to 47.6% at Gumil-up Sea. Under normal wave conditions, the maximum wave heights were 3.6~4.0 m in summer and 2.3~2.7 m in winter while the reduction in the incident wave height ratio was about 41.8% to 49.1%. (4) The sea state in the southern area of Gumil-up was the most affected by ocean waves, whereas the sea state in the northern area was very stable. The significant wave ratio in the south was about six times that in the north.
Keywords
Wando Gumil-up; Seaweed farm field; Wave field measurement; Numerical model simulation; Incident wave; Spatial distribution;
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