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Çѱ¹¼öÀÚ¿øÇÐȸ / v.35, no.2, 2002³â, pp.173-186
ÇѰ­À¯¿ªÀÇ ¸éÀû°¨¼Ò°è¼ö »êÁ¤
( The Estimation of Areal Reduction Factor(ARF) in Han-Rwer Basin )
Á¤Á¾È£;³ªÃ¢Áø;À±¿ë³²; °í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;°í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;°í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;
 
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Rainfall-runoff model is usually used in estimating the design flood, and the most important elements in this model are probable rainfall and unit hydrograph. So, it is the most important step to estimate probable rainfall reasonably and exactly. If a basin area exceeds a certain scale, probable areal rainfall should be used as probable rainfall, but, Probable point- mean rainfall be usually used in Korea. Consequently, probable rainfall is used too high and unit hydrograph is used relatively too low. Thus the improvement is unavoidable. So, in this study, the parameters are proposed that transform the 1day, 2day rainfall to 24hr, 48hr rainfall, and areal rainfall data series are composed by using the same time rainfall data. Also, the areal reduction factor(ARF) is developed as the increase of area by the calculated probable point mean rainfall and probable areal rainfall by frequency analysis in Han-River basin. It can be the measure to easily transform probable point- mean rainfall to probable areal rainfall.
 
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È®·ü°­¿ì·®;ÁöÁ¡È®·ü°­¿ì·®;¸éÀû °¨¼Ò°è¼ö;¸éÀûÈ®·ü°­¿ì·®;probable rainfall;probable point rainfall;probable areal rainfall;ARF;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.35, no.2, 2002³â, pp.173-186
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921011867)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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