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Çѱ¹¼öÀÚ¿øÇÐȸ / v.33, no.1, 2000³â, pp.123-132
Nash ¸ðÇü°ú Diskin ¸ðÇüÀ» ÀÌ¿ëÇÑ ¼ø°£´ÜÀ§µµÀÇ À¯µµ ¹× ºñ±³ ¿¬±¸
( Derivation and Comparison of Nash and Diskin Models for IUH )
¹ÚÁø¿í;À¯Ã¶»ó;±èÁßÈÆ; °í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;°í·Á´ëÇб³ ȯ°æ°øÇаú;°í·Á´ëÇб³ Åä¸ñȯ°æ°æÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ¼±ÇüÀÎ Nash ¸ðÇü(1957)°ú ºñ¼±ÇüÀÎ Diskin ¸ðÇü(1964)À» ÀÌ¿ëÇÏ¿© ¼Ò¾ç°­´ï À¯¿ª¿¡ ´ëÇØ ´ëÇ¥´ÜÀ§¸¦ À¯µµÇÏ°í ºñ±³, ºÐ¼®ÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­´Â ¼Ò¾ç°­´ï À¯¿ªÀÇ 14°³ È£¿ì»ç»óÀ» ÀÌ¿ëÇÏ¿´°í, °¢°¢¿¡ ´ëÇØ À¯Ãâ¼ö¹®°î¼±ÀÇ Á¾°Å¸¦ °¡ÁßÄ¡·Î ÇÏ´Â ¸Å°³º¯¼öÀÇ ÃÖÀûÈ­ ¹æ¹ýÀ» ÀÌ¿ë Nash ¸ðÇü°ú Diskin ¸ðÇüÀÇ ¸Å°³º¯¼ö¸¦ ÃßÁ¤ÇÏ¿´´Ù. À¯¿ªÀÇ ´ëÇ¥´ÜÀ§µµ´Â ÀÌ·¯ÇÑ ¹æ¹ýÀ¸·Î ÃßÁ¤µÈ ´ÜÀ§µµµéÀÇ Æò±ÕÀûÀÎ ÇüŰ¡ µÇµµ·Ï °áÁ¤ÇÏ¿´´Ù. °¢ ´ÜÀ§µµÀÇ ºñ±³¿¡¼­´Â ¼±ÇüÀÎ Nash ¸ðÇü¿¡ ºñÇØ ºñ¼±ÇüÀÎ Diskin ¸ðÇüÀÇ °æ¿ì°¡ À¯ÃâÀ» ¸ðÀÇÇϴµ¥ ´õ¿í ÀûÇÕÇÔÀ» ¹ß°ßÇÒ ¼ö ÀÖ¾ú°í, ƯÈ÷ ÷µÎÀ¯·®ÀÇ ÀçÇö¿¡ Diskin ¸ðÇüÀÌ ¿ì¼öÇÔÀ» ÆÄ¾ÇÇÒ ¼ö ÀÖ¾ú´Ù. ¾Æ¿ï·¯, Diskin ¸ðÇüÀÇ °æ¿ì¿¡´Â ´Ù¸¥ Ư¼ºÀ» ³ªÅ¸³»´Â µÎ Àú¼öÁöÀÇ ¼ö¸¦ ¼­·Î °°°Ô ÇÏ´Â °æ¿ì¿Í ´Ù¸£°Ô ÇÏ´Â °æ¿ì À¯µµµÈ ´ÜÀ§µµÀÇ ÇüÅ¿¡´Â Å« Â÷À̰¡ ¾ø´Â °ÍÀ¸·Î ¹àÇôÁ³´Ù.
In the study the instantaneous unit hydrographs (IUHs) based on the linear Nash (1957) and the nonlinear Diskin (1964) models are derived and compared for the Soyang river basin. Total 14 rainfall runoff events are used for the study and the model parameters are estimated by minimizing the sum of square error considering runoff hydrograph ordinates as relative weights. The representative IUHs for both models are decided to show an average shape of derived IUHs. In the application of the representative IUHs of Nash and Diskin, Diskin model shows better performances in reproducing the observed outflows, especially the peak flow. In the comparison of two Diskin models little difference could be found between the IUHs with the same or different number of two characteristic reservoirs.rvoirs.
 
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¼ø°£´ÜÀ§µµ;Nash ¸ðÇü;Diskin ¸ðÇü;instantaneous unit hydrograph (IUH);Nash model;Diskin model;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.33, no.1, 2000³â, pp.123-132
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011920063550)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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