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http://dx.doi.org/10.7846/JKOSMEE.2012.15.3.170

Comparison of Weather and Wave Data from Ocean Observation Buoys on the Southwestern Coast of Korea during Typhoon Muifa  

Yoon, Han-Sam (Research Center for Ocean Industrial Development, Pukyong National Univ.)
Kwon, Jun-Hyeok (Department of Ocean Engineering, Pukyong National Univ.)
Publication Information
Journal of the Korean Society for Marine Environment & Energy / v.15, no.3, 2012 , pp. 170-176 More about this Journal
Abstract
This paper analyzes the sea state and characteristics during the August 2011 passage of Typhoon Muifa based on data measured at four ocean weather/wave observation stations (buoys) located on the southwestern coast of Korea. When the typhoon arrived in the area approximately 230 km west of Mokpo at 9 PM on August 7, the decrease in air pressure led to increases in sea level of 25.64 cm at the Chilbal-do buoy, 16.43 cm at the Geomun-do buoy, and 9.60 cm at the Geoje-do buoy. The maximum wave height increased at the Geomun-do buoy about seven times faster than at the Chilbal-do buoy. The low water temperature at Chilbaldo during the typhoon passage probably reduced the wave energy. In the face of the oncoming typhoon, the southwest direction of the wind and waves may have been the result of external forces transporting seawater (energy) from the open sea toward the coast. The weather and ocean data from the Mara-do buoy were negatively correlated with those of Chilbal-do, whereas the data from Geomun-do had a positive correlation with those of Geoje-do.
Keywords
Typhoon Muifa; Ocean observation buoy; Maximum wave height; Data comparison;
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