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KMID : 1024520140230010025
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Journal of the Environmental Sciences
2014 Volume.23 No. 1 p.25 ~ p.37
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On the Characteristics of the Precipitation Patterns in Korea Due to Climate Change
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Park Jong-Kil
Seong Ihn-Cheol
Kim Baek-Jo
Jung Woo-Sik
Riyu Lu
Lu Riyu
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Abstract
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In the present study, we analyzed precipitation patterns and diurnal variation trends of hourly precipitation intensity due to climate change. To that end, we used the hourly precipitation data obtained from 26 weather stations around South Korea, especially Busan, from 1970 to 2009.
The results showed that the hourly precipitation was concentrated on a specific time of day. In particular, the results showed the so-called “morning shift” phenomenon, which is an increase in the frequency and intensity of hourly precipitation during the morning. The morning shift phenomenon was even more pronounced when a higher level of hourly precipitation intensity occurred throughout the day. Furthermore, in many regions of Korea, including Busan, this morning shift phenomenon became more prevalent as climate change progressed.
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KEYWORD
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Precipitation pattern , Hourly precipitation intensity , Climate change , Morning shift , Disaster prevention
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