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The Change of Seasonal Trend Appeared in Wintertime Daily Mean Temperature of Seoul, Korea  

Park, Byong-Ik (Department of Geography Education, Seoul National University)
Publication Information
Journal of the Korean Geographical Society / v.46, no.2, 2011 , pp. 152-167 More about this Journal
Abstract
This study aims to investigate the change of seasonal trend appeared in the daily normals of wintertime daily mean temperature of Seoul for 1941~1970 and 1971~2000 and the factors to affect it. The lowest temperature in wintertime is appeared in the period of the first and second ten-days of January in the daily normals for 1941~1970 and in the third ten-days of January and the first ten-days of February for 1971~2000. This means seasonal trend was changed. This change is due to the fact average temperature from 27 December to 20 January is rising much more than the wintertime mean temperature and average temperature from 21 January to 9 February less than that for two daily normals. This features are notable after 1971. The Siberian high and norther wind around the Korean Peninsula are weakened remarkably recently, so mean temperature of Seoul from 27 December to 20 January is warming much more. On the other hand, the Siberian high from 21 January to 9 February is weakened and the Aleutian low is strengthened recently and northerly is not change obviously, so temperature of Seoul is not warming so much.
Keywords
seasonal trend; change of seasonal trend; Siberian high; Aleutian low;
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Times Cited By KSCI : 6  (Citation Analysis)
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