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KMID : 1024520150240030291
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Journal of the Environmental Sciences
2015 Volume.24 No. 3 p.291 ~ p.302
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Seasonal Characteristics of Sea Surface Winds and Significant Wave Heights Observed Marine Meterological Buoys and Lighthouse AWSs near the Korean Peninsula
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Kang Yoon-Hee
Seok Hyun-Bae
Bang Jin-Hee
Kim Yoo-Keun
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Abstract
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The seasonal variations of sea surface winds and significant wave heights were investigated using the data observed from the marine meteorological buoys (nine stations) and Automatic Weather Stations (AWSs) in lighthouse (nine stations) around the Korean Peninsula during 2010~2012. In summer, the prevailing sea surface winds over the East/West Sea and the South Sea were northerly/southerly and easterly/westerly winds due to both of southeast monsoon and the shape of Korean Peninsula. On the other hand, the strong northerly winds has been observed at most stations near Korean marginal seas under northwest monsoon in winter. However, the sea surface winds at some stations (e.g. Galmaeyeo, Haesuseo in the West Sea) have different characteristics due to topographic effects such as island or coastal line. The significant wave heights are the highest in winter and the lowest in summer at most stations. In case of some lighthouse AWSs surrounded by islands (e.g. Haesuseo, Seosudo) or close to coast (e.g. Gangan, Jigwido), very low significant wave heights (below 0.5 m) with low correlations between sea surface wind speeds and significant wave heights were observed.
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KEYWORD
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Sea surface wind, Significant wave height, Marine meteorological buoy, Lighthouse AWS, Korean marginal seas
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