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蘇鮮燮,鄭亨錫 공주대학교 사범대학 과학교육연구소 1993 과학교육연구 Vol.24 No.1
Variation rate of precipitation on the regression line of each district are shown by regression inclination of precipitation and a analysis of the amount of precipitation observed by all the meteorological observatory for eighty-four years(1906∼1989). The results of studying are the following: 1) The annual mean amout of raining is 1222.6mm. The most amount of precipitation is 253.3mm in July and the least amount of it 36.1mm in December. 2) The districts over 1222.6mm (the amount of annual mean precipitation include) island, the south seashore and the central inland. 3) The districts under it`s annual mean include the west seashore and Yongdong area. 4) The season with the most amount of precipitation is Summer(638.3mm). 5) The season with the least amount of precipitation is Winter(107mm). 6) The amount of precipitation between Spring and Fall is almost the same(260.8mm in Spring: 252.5mm in Fall). 7) The annual mean variation rate of precipitation is 2.07. 8) The highest variation rate of precipitation during the yesr is 6.07 in August, the least of it 0.12 in January. 9) The districts over annual mean(2.07) in variation rate of precipitation include several areas of west seashore and central inland. The districts under it`s mean include the estern seashore and small urban areas. 10) The highest variation rate of precipitation is 3.10 in Summer and the lowest of it is 0.62 in Winter. 11) The variation rate of precipitation by season is 2.31 in Fall and 1.86 in Spring. 12) The highest amount of precipitation is shown the more variation rate of it.