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Çѱ¹¼öÀÚ¿øÇÐȸ / v.44, no.9, 2011³â, pp.741-751
Àú¼öÁö ¼ö¿Â¼ºÃþ ÇØ¼®´É·Â Á¦°í¸¦ À§ÇÑ ÀûÁ¤ EFDC ¸Å°³º¯¼ö ¼±Á¤
( Estimation of Proper EFDC Parameters to Improve the Reproductability of Thermal Stratification in Korea Reservoir )
±è¼±ÁÖ;¼­µ¿ÀÏ;¾È±âÈ«; Çѱ¹¼öÀÚ¿ø°ø»ç, ´ï À¯¿ª°ü¸®Ã³;Ãæ³²´ëÇб³ ȯ°æ°øÇаú;³«µ¿°­À¯¿ªÈ¯°æÃ»;
 
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º» ¿¬±¸¿¡¼­´Â ´ëÇ¥Àû 3Â÷¿ø ¼ö¸® ¼öÁúÇØ¼®¸ðÇüÀÎ EFDCÀÇ ¼ö¿Â¼ºÃþÇØ¼® ´É·Â Á¦°í¸¦ À§ÇØ ÀûÁ¤ ¸Å°³º¯¼ö¸¦ µµÃâÇϰíÀÚ ÇÏ¿´´Ù. À̸¦ À§ÇØ Å¾纹»ç ºÐÆ÷, ÇÏ»ó Ãʱâ¿Âµµ, Ȱ¼º ÇÏ»ó ¼ö¿ÂÃþ ±íÀÌ, ¿­Àü´Þ°è¼ö µî ž翡³ÊÁö¿Í °ü·ÃµÈ 5°¡Áö ¸Å°³º¯¼ö¿¡ ´ëÇÏ¿© ¿ë´ãÈ£ ¼ö¿Â¼ºÃþÇØ¼® °á°ú¸¦ ºñ±³ ºÐ¼®ÇÏ¿´´Ù. ¸ðÀDZⰣÀº 2005³â 6¿ùºÎÅÍ 12¿ù±îÁö¿´À¸¸ç ¼ö¿Â ¼ºÃþ ÀçÇö¼º ¼öÇà °á°ú´Â Åë°è ÁöÇ¥ÀÎ AME, RMSE, $R^2$À» Àû¿ëÇÏ¿© ºñ±³ÇÏ¿´´Ù. ±× °á°ú IASWRAD´Â ÇÏ»óÀ¸·Î ºÐÆ÷ÇÏ´Â °æ¿ì, Ȱ¼º ÇÏ»ó ¼ö¿ÂÃþ ±íÀÌ´Â 10m¸¦ »ç¿ëÇÏ´Â °ÍÀÌ Å¸´çÇÒ °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù. º» ¿¬±¸¿¡¼­ µµÃâµÈ °á°ú´Â EFDC ¸ðÇüÀÇ ¼ö¿Â¼ºÃþ¸ðÀǽà Àû¿ë °¡À̵å¶óÀÎÀ¸·Î Ȱ¿ëµÉ ¼ö ÀÖÀ» °ÍÀÌ´Ù.
In this study, a methodology was devised to overcome that difficulty for thermal stratification modeling using EFDC. For the increase of reproductability for thermal stratification analysis, the effect of parameter such as distribution of solar radiation, depth of active bed temperature layer, heat transfer coefficients were analyzed. The simulation period was from June to December in 2005 and statistical index is used to analyze the model results. The results showed that distribution of solar radiation is zero and depth of active bed temperature layer is 10 m are suitable for simulation of thermal stratification in Yongdam Dam reservoir. This study results can be used for guideline to analyze the thermal stratification of large dam reservoir in Korea.
 
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.44, no.9, 2011³â, pp.741-751
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201129349656660)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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