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Çѱ¹¼öÀÚ¿øÇÐȸ / v.44, no.12, 2011³â, pp.941-954
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´ï ¼³°èÈ«¼ö·® »êÁ¤¹æ¹ý¿¡ °üÇÑ ºñ±³¿¬±¸
( Comparative Study on Calculation Method for Design Flood Discharge of Dam ) |
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º» ¿¬±¸¿¡¼´Â ±¹³»ÀÇ ´Ù¸ñÀû ´ïÀ» ´ë»óÀ¸·Î °¿ì-À¯Ãâ ¸ðÇü¿¡ ÀÇÇÑ °ú°ÅÀÇ È«¼ö·® »êÁ¤¹æ½Ä°ú ÃÖ±ÙÀÇ È«¼ö·® »êÁ¤¹æ½ÄÀ» À¯¿ª ¸éÀû ±Ô¸ðº°·Î ºÐ·ùÇÏ¿© ºñ±³ ºÐ¼®ÇÏ¿´´Ù. È«¼ö·®¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ±âº»ÀÎÀÚ·Î °¿ì·®, °¿ìÀÇ ½Ã°£ºÐÆ÷, À¯È¿¿ì·® »êÁ¤¹æ¹ý, °¿ì-À¯Ãâ ¸ðÇü, ¸Å°³º¯¼ö ÃßÁ¤ ¹× ±âÀúÀ¯·® µîÀ» ¼±Á¤ÇÏ¿© °¢ ÀÎÀÚº° ¹Î°¨µµ ºÐ¼®À» ¼öÇàÇÔÀ¸·Î½á È«¼ö·®¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Á¤·®ÀûÀ¸·Î ºÐ¼®ÇÏ¿´´Ù. ºÐ¼®°á°ú ÃÖ±ÙÀÇ ¹æ¹ýÀ¸·Î »êÁ¤ÇÑ È«¼ö·®°ú °ú°ÅÀÇ ¹æ¹ýÀ¸·Î »êÁ¤ÇÑ È«¼ö·®ÀÌ À¯¿ª¸éÀû ±Ô¸ð¿¡ µû¶ó ´Ù¾çÇÑ º¯µ¿ÆøÀ¸·Î Áõ°¡Çϰųª °¨¼ÒÇÏ¿´´Âµ¥, °¿ìÀÇ ½Ã°£ºÐÆ÷ º¯°æÀÌ È«¼ö·®À» °¨¼Ò½ÃŰ´Â ¿øÀÎÀ¸·Î ºÐ¼®µÇ¾ú°í, ÃÖ±Ù ±â»óÀ̺¯¿¡ ÀÇÇÑ °¿ì·®ÀÇ Áõ°¡¿Í ´ÜÀ§µµÀÇ ¸Å°³º¯¼ö ÃßÁ¤¹æ¹ýÀÇ º¯°æÀÌ È«¼ö·®À» Áõ°¡½ÃŰ´Â °¡Àå Å« ¿øÀÎÀ¸·Î ºÐ¼®µÇ¾ú´Ù. |
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In this study, past method and recent method for flood discharge with domestic multi-purpose dams in Korea were compared and analyzed with respect to the scale of watershed. Rainfall depth, temporal pattern, rainfall excess, rainfall-runoff model, parameter estimation and base flow were selected as the principal factors affecting flood discharge and effects on flood discharge were analyzed quantitatively by using sensitivity analysis. The results showed that the flood discharges calculated by past and recent method increased and decreased with a wide range of discharge with respect to the scale of watershed. The reason for decrease of flood discharge is the exchange of temporal pattern of rainfall and the principal reasons for increase of flood discharge are the increase of rainfall depth by unusual weather phenomena and the difference of estimation method for parameters of unit hydrograph. |
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´ï ¼³°èÈ«¼ö·®;°¿ì ½Ã°£ºÐÆ÷;À¯È¿¿ì·®;°¿ì-À¯Ãâ ¸ðÇü;±âÀúÀ¯Ãâ;design flood discharge of dam;temporal pattern;rainfall excess;rainfall-runoff model;base flow; |
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.44, no.12, 2011³â, pp.941-954
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201105462034389)
¾ð¾î : Çѱ¹¾î |
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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