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Çѱ¹¼öÀÚ¿øÇÐȸ / v.38, no.9, 2005³â, pp.699-711
DR3M-II¸¦ ÀÌ¿ëÇÑ µµ½Ã¹è¼öÀ¯¿ªÀÇ À¯ÃâÇØ¼®
( Runoff Analysis of Urban Drainage Using DR3M-II )
¹Î»ó±â;À̱æÃá; ´Ü±¹´ëÇб³ Åä¸ñȯ°æ°øÇаú;´Ü±¹´ëÇб³ Åä¸ñȯ°æ°øÇаú;
 
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¹Ì±¹ ÁöÁúÁ¶»ç±¹(U.S Geological Survey)ÀÇ °­¿ì-À¯Ãâ¸ðÇü DR3M-II(Distributed Routing Rainfall-Runoff Model)¸¦ ÀÌ¿ëÇØ µµ½Ã¹è¼öÀ¯¿ªÀÇ À¯ÃâÇØ¼®À» ¼öÇàÇÏ¿´´Ù. DR3M-II´Â °­¿ì»ç»óÀ» ÀÔ·ÂÀÚ·á·Î ÇÏ¿© ¼öÁö»óÀÇ °ü°Å ¶Ç´Â ÀÚ¿¬¼ö·Î¸ÁÀ¸·Î ±¸¼ºµÈ µµ½ÃÀ¯¿ª¿¡¼­ÀÇ À¯ÃâÃßÀûÀ» À§ÇØ °³¹ßµÈ ¸ðÇüÀÌ´Ù. ´ë»óÀ¯¿ªÀÎ »êº»½Åµµ½Ã¿¡¼­ÀÇ ½ÇÃøÀ¯ÃâÀڷḦ ÀÌ¿ëÇÑ ¸ðÇüÀÇ °ËÁ¤ ¹× °ËÁõÀ» ¼öÇàÇÏ¿´À¸¸ç, Rosenbrock±â¹ýÀ» ÀÌ¿ëÇØ ÃÖÀû¸Å°³º¯¼ö¸¦ À¯µµÇÏ¿´´Ù. °ËÁõ°á°ú ÷µÎÀ¯Ãâ·®ÀÇ Æò±Õ¿ÀÂ÷´Â $7.4%$·Î »ó´çÈ÷ ¾çÈ£ÇÑ °á°ú¸¦ º¸¿©ÁÖ¾ú´Ù. ¸Å°³º¯¼ö¿¡ ´ëÇÑ ¹Î°¨µµ ºÐ¼®°á°ú ºñ±³Àû ÀÛÀº °­¿ì°­µµÀÇ ºñ°¡ ³»¸± °æ¿ì´Â À¯È¿ ºÒÅõ¼öÁö¿ªÀÇ ¸éÀûÀÌ Ã·µÎÀ¯Ãâ·®À̳ª À¯ÃâüÀû¿¡ °¡Àå ¹Î°¨ÇÑ ¿µÇâÀ» ¹ÌÄ¡´Â ÀÎÀÚ¿´À¸³ª, Å« °­¿ì°­µµ¿¡¼­´Â Á¶µµ°è¼ö¿Í À¯¿ª°æ»ç¸¦ Á¤ÀÇÇÏ´Â ¿îµ¿ÆÄ¹æÁ¤½ÄÀÇ °è¼ö ${alpha}$°¡ °¡Àå ¹Î°¨ÇÑ ¿µÇâÀ» ¹ÌÄ¡´Â ÀÎÀÚÀÎ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ´ëüÀûÀ¸·Î ÷µÎÀ¯Ãâ·®º¸´Ù´Â À¯ÃâüÀûÀÌ Ä§Åõ´ÉÀ̳ª Åä¾çÇÔ¼öÁ¶°ÇÀ» Á¤ÀÇÇÏ´Â ¸Å°³º¯¼ö¿¡ º¸´Ù ¹Î°¨ÇÑ ¹ÝÀÀÀ» º¸¿´À¸¸ç, ¸Å°³º¯¼ö ${alpha}$´Â ÷µÎÀ¯Ãâ·®¿¡ º¸´Ù ¹Î°¨ÇÑ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
In this study, the U.S. Geological Survey's DR3M-II(Distributed Routing Rainfall-Runoff Model) was applied for small urban drainage. DR3M-II is a watershed model for routing storm runoff through a branched system of pipes and natural channels using rainfall input. The model was calibrated and verified using short term rainfall-runoff data collected from Sanbon basin. Also, the parameters were optimized using Rosenbrock technic. An estimated simulation error for peak discharge was about 7.4 percent and the result was quite acceptable. Results of the sensitivity analysis indicate that the percent of effective impervious area and ${alpha}$ defining surface slope and roughness were the most sensitive variables affecting runoff volumes and peak discharge for low and high intensity storm respectively. In most cases, soil moisture accounting and infiltration parameters are the variables that give more effects to runoff volumes than peak discharge. Parameter ${alpha}$ showed the opposite result.
 
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µµ½ÃÀ¯Ãâ;DR3M-II¸ðÇü;¸Å°³º¯¼ö;¹Î°¨µµ ºÐ¼®;runoff;DR3M-II; parameters;sensitivity analysis;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.38, no.9, 2005³â, pp.699-711
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200531234563788)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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