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KMID : 1024520110200091191
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Journal of the Environmental Sciences
2011 Volume.20 No. 9 p.1191 ~ p.1203
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A Study on the Observation of the Typhoons that Affected Southeastern Region of the Korean Peninsula
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Jung Woo-Sik
Park Jong-Kil
Kim Eun-Byul
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Abstract
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In case of Typhoon Dianmu, the temperature, wind speed, wind direction and the rainfall per hour changed dramatically when the center of the typhoon passed through Gimhae. Such a change was commonly found in the regions where the center of the typhoon passed through but almost not in the regions far away from it. For example, in the case of Typhoon Malou where the center of the typhoon was far away from the observation site, such a phenomenon was not observed. The analysis of the vertical observation data showed that there was a little change in the wind speed and wind direction in the vertical direction in the case of Typhoon Dianmu of which center passed through Gimhae. There was a great change in the wind speed according to the height in the lower atmosphere just before the center of the typhoon approached the region. When the center of the typhoon was passing through the region, the vertical wind speed was decreased. However, the wind speed was rapidly increased again after the center of the typhoon had passed through the region. Unlike the Dianmu, the difference in the wind speed and wind direction between the upper layer and lower layer of the atmosphere was relatively great in the case of Malou.
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KEYWORD
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Typhoon, Natural disaster, Atmospheric observation, Center of typhoon, Climate change
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