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Çѱ¹¼öÀÚ¿øÇÐȸ / v.29, no.1, 1996³â, pp.151-161
˽éë-êüõóÙ¼úþÀ» ÀÌ¿ëÇÑ ãùãÁÊà ûóâ©çãö´: II. êüæ´ÀÇ îêéÄ
( Real-Time Flood Forecasting Using Rainfall-Runoff Model: II. Application )
Á¤µ¿±¹; Çѳ²´ëÇб³ Åä¸ñ°øÇаú;
 
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ºñ¼±Çü °è¿­Àú¼öÁö¸ðÇüÀ» Àû¿ëÇÑ È«¼öÃßÀû¸ðÇüÀ» º¯¼öÃßÁ¤¸ðÇü°ú °áÇÕÇÏ¿© È®´ë »óÅÂ-°ø°£ ¸ðÇüÀ¸·Î ±¸¼ºÇϰí, Extended Kalman Filter¸¦ ÀÌ¿ëÇÏ¿© »óÅ ¹× º¯¼ö¸¦ µ¿½Ã ÃßÁ¤Çϵµ·Ï ÇÏ¿´´Ù. ¹Î°¨µµ ºÐ¼®À» ÅëÇÏ¿© ÃßÁ¤º¯¼öÀÇ »ó´ëÀûÀÎ Á߿伺À» Á¶»çÇÏ¿© ¹Î°¨µµ°¡ ³·Àº º¯¼ö´Â »ó¼öÈ­ÇÏ°í »ó°ü¼ºÀÌ ³ôÀº º¯¼öµéÀº °áÇÕÇÏ¿© ¸ðÇüÀ» ´Ü¼øÈ­ÇÏ¿´´Ù. ±×¸®°í Á¦¾ÈµÈ ½Ç½Ã°£ È«¼ö¿¹Ãø¸ðÇüÀ» ´Ù¸ñÀû´ïµéÀÇ È«¼ö·® À¯ÀÔ¿¹Ãø¿¡ Àû¿ëÇÏ¿© »óÅ ¹× º¯¼öÀÇ µ¿½ÃÃßÁ¤¿¡ ÀÇÇÑ ¼ö¹®°î¼±°ú ½ÇÃøÀ¯ÀÔ¼ö¹®°î¼±ÀÌ Àß ÀÏÄ¡ÇÔÀ» È®ÀÎÇÏ¿´´Ù. ¶ÇÇÑ È«¼ö°¡ ÁøÇàÇÔ¿¡ µû¶ó ÃßÁ¤º¯¼öÁß, Àú·ù°è¼ö´Â °ÅÀÇ ÀÏÁ¤ÇÑ °ªÀ» ³ªÅ¸³»Áö¸¸, Áö¼ö´Â ¼ö¹®°î¼±ÀÇ º¯È­¿Í ÇÔ²² ½Ã°£ÀûÀ¸·Î º¯È­ÇÏ´Â °ÍÀ¸·Î È®ÀÎÇÏ¿´´Ù.
The proposed flood forecasting system combines a flood routing model with a parameter estimation model. In the parameter estimation model system states and parameters are treated with the extended state-space formulation. The extended Kalman filter is adopted to estimate the states and parameters. A sensitivity analysis is used to investigate the relative significance of the parameters. Insensitive parameters are treated as constants and parameters that are mutually correlated are combined in a simplified form. The developed estimation methodology is applied todam sites of the multi-purpose reservoirs in Korea. The forecasted hydrographs from the extended Kalman filter satisfactorily coincide with the observed. From the time sequence plots of estimated parameters, it is found that the storage coefficient is almost constant, but exponent varies appreciably in time.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.29, no.1, 1996³â, pp.151-161
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920096732)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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