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On the Characteristics of the Precipitation Patterns in Korea Due to Climate Change

  • Park, Jong-Kil (Department of Environmental Engineering, Atmospheric Environment Information Research Center, Inje University) ;
  • Seong, Ihn-Cheol (Forecast Policy Planning Division, Korea Meteorological Administration) ;
  • Kim, Baek-Jo (Policy Research Lab.,National Institute of Meteorological Research, Korea Meteorological Administration) ;
  • Jung, Woo-Sik (Department of Atmospheric Environment Information Engineering, Graduate school/Atmospheric Environment Information Research Center, Inje University) ;
  • Lu, Riyu (Institute of Atmospheric Physics, Chinese Academy of Sciences)
  • Received : 2013.12.23
  • Accepted : 2014.01.17
  • Published : 2014.01.31

Abstract

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.

Keywords

Precipitation pattern;Hourly precipitation intensity;Climate change;Morning shift;Disaster prevention

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