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Çѱ¹¼öÀÚ¿øÇÐȸ / v.33, no.3, 2000³â, pp.341-350
Àú·ùÇÔ¼ö¹ý¿¡ ÀÇÇÑ Ã߰赿¿ªÇÐÀû ÇϵµÈ«¼öÃßÀû¸ðÇüÀÇ °³¹ß
( Development of Stochastic-Dynamic Channel Routing Model by Storage Function Method )
¹è´öÈ¿;Á¤ÀϹ®; â¿ø´ëÇб³ Åä¸ñ°øÇаú;SK°Ç¼³ ¿¬±¸¼Ò;
 
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º» ¿¬±¸ÀÇ ¸ñÀûÀº Ã߰赿¿ªÇÐÀû »óÅ¡¤°ø°£ÇüÅÂÀÇ Çϵµ Àú·ùÇÔ¼ö¸ðÇüÀ» °³¹ßÇÏ°í ½Ç½Ã°£ È«¼ö¿¹º¸¸¦ À§ÇÑ ¸ðÇüÀÇ Àû¿ë¼ºÀ» °ËÅäÇϴµ¥ ÀÖ´Ù. ÆÈ´ç´ï¿¡¼­ Àεµ±³ ÁöÁ¡¿¡ À̸£´Â Çϵµ±¸°£À» °³¹ßµÈ ¸ðÇüÀÇ Àû¿ë ´ë»ó±¸°£À¸·Î ¼³Á¤ÇÏ¿´À¸¸ç, 1987¡­1998³â¿¡ ¹ß»ýÇÑ 13°³ÀÇ È«¼ö»ç»óÀ» ¼±ÅÃÇÏ¿© ¸ðÇü ¸Å°³º¯¼ö »êÁ¤ ¹× Àû¿ë¼ºÀ» °ËÅäÇÏ¿´´Ù. ±× °á°ú ÃÖÀû ¸Å°³º¯¼ö´Â °¢ È«¼ö»ç»ó¸¶´Ù ´Ù¸£Áö¸¸, ÇöÀç ½Ç¹«¿¡¼­ »ç¿ëÇϰí ÀÖ´Â ¸Å°³º¯¼ö¸¦ »ç¿ëÇÑ À¯·®¿¹ÃøÀº ºñ±³Àû ÇÕ¸®ÀûÀÎ °á°ú¸¦ Á¦½ÃÇÏ¿´´Ù. ¶ÇÇÑ º» ¿¬±¸¿¡¼­ °³¹ßÇÑ Ã߰赿¿ªÇÐÀû ¸ðÇü¿¡ ÀÇÇÑ À¯·®¿¹Ãø °á°ú¿Í ±âÁ¸ÀÇ È®Á¤·ÐÀû ¸ðÇü¿¡ ÀÇÇÑ °á°ú¸¦ ºñ±³¡¤°ËÅäÇÑ °á°ú º» ¿¬±¸¸ðÇüÀÌ º¸´Ù Á¤È®ÇÑ °á°ú¸¦ Á¦½ÃÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸ ´ë»óÁö¿ªÀÇ ¿¹Ãø°¡´É½Ã°£À» ºÐ¼®ÇÑ °á°ú ºñ±³Àû Áö·ùÀÇ À¯ÀÔÀÌ ÀûÀº È«¼ö»ç»óÀÇ °æ¿ì 5½Ã°£ Á¤µµ±îÁö´Â Á¤È®ÇÑ ÇÏ·ù´ÜÀÌ À¯·®¿¹ÃøÀÌ °¡´ÉÇÑ °ÍÀ» ÆÇ´ÜµÈ´Ù.
The objectives of this study are to develop a state-space form of stochastic dynamic storage function routing model and to test the model performance for real-time flow forecast. The selected study area is the main Han River starting from Paldang Dam site to Indogyo station and the 13 flood events occurred from 1987 to 1998 are selected for computing model parameters and testing the model performance. It was shown that the optimal model parameters are quite different depending on Hood events, but the values used on field work also give reasonable results in this study area. It is also obvious that the model performance from the stochastic-dynamic model developed in this study gives more accurate and reliable results than that from the existing deterministic model. Analysis for allowable forecast lead time leads that under the current time step the reasonable predicted downstream flows in 5 hours time advance are obtained from the stochastic dynamic model on relatively less lateral inflow event in the study area.
 
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Àú·ùÇÔ¼ö¸ðÇü;Ã߰赿¿ªÇÐÀû ¸ðÇü;ÇϵµÈ«¼öÃßÀû¸ðÇü;Ä®¸¸ÇÊÅÍ;ÇѰ­;storage function method;stochastic dynamic model;channel routing model;Kalman filter;Han River;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.33, no.3, 2000³â, pp.341-350
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011920063722)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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