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KMID : 1024519930020020103
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Journal of the Environmental Sciences
1993 Volume.2 No. 2 p.103 ~ p.113
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A Three Dimensional Numerical Simulation of the Land and Sea breeze over Pusan Coastal Area, Korea
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Moon Sung-Euii
Kim Yoo-Keun
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Abstract
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The land and sea breeze over the Pusan coastal area is studied by three dimensional mesoscale numerical model. According to the results of the simulation experiments, both Pusan areas and Kimhae areas, the sea breeze began at 0800LST and the strongest at 1500LST and then at 1800LST. After midnight, the sea breeze changed about the land breeze and become weaker than that of the sea breeze in the daytime. Comparisons between calculations and observations showed that the characteristics of diurnal variation and v-component of the wind velocity relatively is similar to the Pusan areas. On the Kimhae areas, however, observations showed time lag which compared to the results of simulation experiments in the velocity of sea breeze and diurnal variation. From the above results, comparisons between calculations and observations is much more similar to the coastal areas than on the inland area.
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KEYWORD
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three-dimensional numerical simulation, land and sea breeze, planetary boundary layer, surface boundary layer
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