A Study on the Distributions of Minimum Temperature during January in the Central Region of South Korea: focused on Minimum Temperature at Cheorwon

기압배치형별 중부지방의 1월 최저기온 분포에 관한 연구: 철원의 최저기온을 중심으로

  • Lee, Seungho (Department of Geography and Climate Research Institute, Konkuk University) ;
  • Jang, Jiwon (Climate Research Institute, Konkuk University)
  • 이승호 (건국대학교 이과대학 지리학과 및 기후연구소) ;
  • 장지원 (건국대학교 기후연구소)
  • Received : 2014.01.27
  • Accepted : 2014.02.17
  • Published : 2014.02.28

Abstract

This study aimed to analyze the characteristic of the distribution of minimum temperature during January in the central region of South Korea and to investigate causes for the occurrence of extreme minimum temperature in Cheorwon. January temperature distribution data which were collected from 25 weather stations in central area from 1991 to 2010 were investigated, and the difference of temperature between Cheorwon and the other stations in central region, such as Chuncheon, Hongcheon, Bonghwa, Daegwallyoung, Wonju and Jecheon were analyzed by the type of atmospheric pressure system. Daily mean temperature and mean of daily minimum temperature appear to be low at Cheorwon and at the sites in high altitudes, but the frequency of extreme cold wave such as below $-15^{\circ}C$ is also noticeable in Cheorwon. When the Siberian High has expanded and migratory anticyclone has moved onto the north of the Korean Peninsula, the temperature at Cheorwon is relatively low. Furthermore it shows a lesser difference between Cheorwon and the compared stations when the migratory anticyclone affected the area, even at basin like Bonghwa, Jecheon more lower than Cheorwon.

Acknowledgement

Supported by : 건국대학교