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Çѱ¹¼öÀÚ¿øÇÐȸ / v.29, no.6, 1996³â, pp.237-247
ÇÏõ ¼ö°èÀÇ È«¼ö ¿¹ÃøÀ» À§ÇÑ °­¿ì-À¯Ãâ ¸ðÇüÀÇ ºñ±³
( Comparison of the Rainfall-Runoff Models for Flood Forecasting in Watershed )
½É¼øº¸;¹Ú³ëÇõ; ÃæºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;ÃæºÏ´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú ¹Ú»ç°úÁ¤ ¼ö·á/Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¼Ò ¿¬±¸¿ø, ÃæºÏ´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú ¹Ú»ç°úÁ¤/¼ö°øÁ¾ÇÕ°¨¸®°ø´Ü »çÀå, ÃæºÏ´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú ¹Ú»ç°úÁ¤, Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¼Ò;
 
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º» ¿¬±¸´Â ÇÏõ ¼ö°è¿¡¼­ÀÇ È«¼ö À¯Ãâ ¿¹Ãø Á¤µµ¸¦ ³ôÀÏ ¼ö ÀÖ´Â ¹æ¾ÈÀ» µµÃâÇϰíÀÚ, Àú·ùÇÔ¼ö ¸ðÇü°ú NWS-PC¸ðÇüÀ» ¼±Á¤ÇÏ¿© ¸ðÇüÀÇ ±¸Á¶ ¹× Ư¼ºÀ» ºÐ¼®ÇÏ°í ±× ¿¹Ãø´É·ÂÀ» ºñ±³°ËÅäÇÑ °ÍÀÌ´Ù. Àú·ùÇÔ¼ö ¸ðÇüÀº 1974³âµµºÎÅÍ ¿ì¸®³ª¶ó¿¡ µµÀԵǾî ÁÖ¿äÇÏõ È«¼ö¿¹°æº¸ ¾÷¹«¿¡ »ç¿ëµÇ¾î ¿ÔÀ¸¸ç, NWS-PC¸ðÇüÀº À¯¿ªÀÇ »ç¸é°ú ÇϵµÀÇ À¯ÃâÀ» ¿îµ¿ÆÄ·Î ¸ðÀÇÇϰí ÁöÇ¥ ¶Ç´Â ÁöÇÏÀÇ ¼ö¹® °úÁ¤µµ Åä¾ÓÇÔ¼ö»óÅ °è»ê (SAC-SMA)À» ÅëÇÏ¿© ¸ðÀÇÇÏ´Â ¹°¸®Àû ±â¹ÝÀÇ ¸ðÇüÀÌ´Ù. ¸ðÇüÀÇ Àû¿ëÀº ¹Ìȣõ À¯¿ªÀ» ¼±Á¤ÇÏ¿´°í, '85³â-95³â µ¿¾ÈÀÇ È«¼ö ÀڷḦ ÀÌ¿ëÇÏ¿© ¸ðÇüÀ» Àû¿ëÇÏ°í °ûÃøÄ¡¿¡ ´ëÇÑ RMS¿ÀÂ÷¿Í ÷µÎÀ¯·® ¹× ÃÑÀ¯ÃâüÀûÀÇ »ó´ë¿ÀÂ÷ µîÀ» ºñ±³ÇÑ °á°ú¸¦ Åä´ë·Î °¢°¢ÀÇ Àå´ÜÁ¡ ¹× Àû¿ë¼ºÀ» ¹àÈ÷°í, °³¼±¹æÇâ µîÀ» Á¦½ÃÇÏ¿´´Ù.
In this study two rainfall-runoff models, the NWS-PC model and the Storage Function Model (SFM), were compared to see their applicability in the flood forecasting at the river system. The SFM has been adopted in the flood-forecasting and warning system for the major rivers in Korea since 1974, and the NWS-PC model, a physically based model, has been developed to simulate soil moisture changing as well as the surface and subsurface flow at the watershed and in the river streams. Case studies were carried out using flood event data observed at the Mihochun watershed in Geum-river basin during 1985 to 1995. Simulated results from both models were compared with the observed data with respect to the RMS errors and relative errors for peak flow discharges and total runoff volumes to show the advantages and disadvantages of both models and to suggest the way to improve their performances.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.29, no.6, 1996³â, pp.237-247
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920098175)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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