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Çѱ¹¼öÀÚ¿øÇÐȸ / v.42, no.11, 2009³â, pp.953-961
¾Ó»óºí Ä®¸¸ÇÊÅ͸¦ ¿¬°èÇÑ Ãß°èÇÐÀû ¿¬¼ÓÇü Àú·ùÇÔ¼ö¸ðÇü (I) : - ¸ðÇü °³¹ß -
( Stochastic Continuous Storage Function Model with Ensemble Kalman Filtering (I) : Model Development )
¹è´öÈ¿;À̺´ÁÖ;; ¼¼Á¾´ëÇб³ ¹°ÀÚ¿ø¿¬±¸¼Ò.Åä¸ñȯ°æ°øÇаú;¼¼Á¾´ëÇб³ Åä¸ñȯ°æ°øÇаú;;
 
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º» ¿¬±¸ÀÇ ¸ñÀûÀº ÇöÀç ±¹³» È«¼ö¿¹°æº¸ ½Ã½ºÅÛÀÇ À¯ÃâÇØ¼®¸ðÇüÀ¸·Î ÀÌ¿ëµÇ°í ÀÖÀ¸¸ç ´ÜÀÏ È£¿ì»ç»ó¿¡ ´ëÇØ Àû¿ëÀÌ °¡´ÉÇÑ À¯¿ª ¹× Çϵµ Àú·ùÇÔ¼ö¸ðÇüÀ» Ãß°èÇÐÀû ¿¬¼ÓÇü Àú·ùÇÔ¼ö¸ðÇüÀ¸·Î °³¹ßÇϰíÀÚ Çϴµ¥ ÀÖ´Ù. À̸¦ À§ÇØ ±âÁ¸ Àú·ùÇÔ¼ö¸ðÇü¿¡ Åä¾ç¼öºÐ »êÁ¤ ÄÄÆ÷³ÍÆ®¸¦ Ãß°¡Çϰí ÁöÇ¥¸éÀ¯Ãâ, Áß°£À¯Ãâ, ÁöÇϼöÀ¯Ãâ ¹× ½ÇÁ¦Áõ¹ß»ê·®À» Åä¾ç¼öºÐÀÇ ÇÔ¼ö·Î ³ªÅ¸³»¾î °¢ ¼ö¹®¼ººÐ¿¡ ´ëÇÑ ¿¬¼ÓÀûÀÎ ¸ðÀǰ¡ °¡´ÉÇϵµ·Ï ÇÏ¿´´Ù. ¶ÇÇÑ ½Ç½Ã°£ °üÃøÀ¯·®ÀÚ·á µ¿È­¸¦ À§ÇØ ¾Ó»óºí Ä®¸¸ ÇÊÅÍ ±â¹ýÀ» µµÀÔÇÏ¿© È®Á¤·ÐÀû ¸ðÇüÀ» Ãß°èÇÐÀû ¸ðÇüÀ¸·Î °³¼±ÇÏ¿´´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­ °³¹ßµÈ Ãß°èÇÐÀû ¿¬¼ÓÇü Àú·ùÇÔ¼ö¸ðÇüÀº Àå±â°£ÀÇ ¿¬¼ÓÀûÀÎ À¯ÃâÇØ¼®ÀÌ °¡´ÉÇÒ »Ó¸¸ ¾Æ´Ï¶ó °üÃøÀÚ·á µ¿È­¸¦ ÅëÇØ ±âÁ¸ Àú·ùÇÔ¼ö ¸ðÇüº¸´Ù ½Å·Ú¼º ÀÖ´Â °á°ú¸¦ Á¦½ÃÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
The objective of this study is to develop a stochastic continuous storage function model for enhancement of an event-oriented watershed and channel storage function models which have been used as an official flood forecast model in Korea. For this study, soil moisture accounting component is added to the original storage function model and each hydrologic component, such as surface flow, subsurface flow, groundwater flow and actual evaportranspiration, is simulated as a function of soil water content. And also, ensemble Kalman filtering technique is used for real-time assimilation of measured streamflow from various stream locations in the watershed. Therefore the enhanced model will be able to simulate hydrologic components for long-term period without additional estimation of model parameters and to give more accurate and reliable results than those from the existing deterministic model due to the assimilation of measured streamflow data.
 
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Ãß°èÇÐÀû ¿¬¼ÓÇü Àú·ùÇÔ¼ö¸ðÇü;Åä¾ç¼öºÐ;È«¼ö¿¹º¸;¾Ó»óºí Ä®¸¸ÇÊÅÍ;stochastic continuous storage function;flood forecast;soil moisture;ensemble Kalman filter;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.42, no.11, 2009³â, pp.953-961
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200903538424233)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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ȸ»ç¼Ò°³ ±¤°í¾È³» ÀÌ¿ë¾à°ü °³ÀÎÁ¤º¸Ãë±Þ¹æÄ§ Ã¥ÀÓÀÇ ÇѰè¿Í ¹ýÀû°íÁö À̸ÞÀÏÁÖ¼Ò ¹«´Ü¼öÁý °ÅºÎ °í°´¼¾ÅÍ
   

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