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Çѱ¹¼öÀÚ¿øÇÐȸ / v.33, no.3, 2000³â, pp.315-330
ÁöÇüÇüÅÂÇÐÀû ¼ø°£´ÜÀ§µµÀÇ Æ¯¼º¼Óµµ¿¡ ´ëÇÑ °íÂû
( Investigation of the Characteristic Velocity of Geomorphologic Instantaneous Unit Hydrograph )
±è»ó´Ü;À¯Ã¶»ó;À±¿ë³²; °í·Á´ëÇб³ ´ëÇпø;°í·Á´ëÇб³ ȯ°æ°øÇаú;°í·¡´ëÇб³ Åä¸ñȯ°æ°øÇаú;
 
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ÁöÇüÇüÅÂÇÐÀû ¼ø°£´ÜÀ§µµ(GIUH)´Â ¹Ì°èÃøÀ¯¿ªÀ̳ª °üÃøÀÚ·á°¡ ÃæºÐÇÏÁö ¾ÊÀº À¯¿ªÀÇ Àû¿ëÀ» ¸ñÀûÀ¸·Î ÇÑ´Ù. À̸¦ À§Çؼ­´Â GIUHÀÇ µ¿¿ªÇÐÀû ¸Å°³º¯¼öÀΠƯ¼º¼ÓµµÀÇ Á¤µµ ÀÖ´Â ÃßÁ¤ÀÌ °¡Àå Áß¿äÇÑ ¿ä¼ÒÀ̳ª ¾ÆÁ÷±îÁö ±×¿¡ ´ëÇÑ Á¤È®ÇÑ »êÁ¤¹æ¹ýÀº °³¹ßµÇ¾î ÀÖÁö ¸øÇÑ ½ÇÁ¤ÀÌ´Ù. ½ÇÃøµÈ °­¿ì À¯ÃâÀÚ·á°¡ Á¸ÀçÇÒ °æ¿ì, Ư¼º¼ÓµµÀÇ ÃßÁ¤Àº »ó´ëÀûÀ¸·Î ¿ëÀÌÇϳª. GIUHÀÇ ¸ñÀû¿¡ ¸ÂÁö ¾Ê´Â´Ù. ÀÌ ¹Ì°èÃø À¯¿ª¿¡ ´ëÇÑ À¯Ãâ ÇØ¼®ÀÓÀ» »ó±âÇÑ´Ù¸é Æ¯¼º¼Óµµ ¿ª½Ã ÁöÇüÇüÅÂÇÐÀûÀÎ ÇØ¼®À» ¹ÙÅÁÀ¸·Î »êÁ¤µÇ¾î¾ß Çϰí, ±×¿Í ´õºÒ¾î ½ÇÁ¦ Àû¿ë¿¡ ÇÕ¸®ÀûÀÌ¸ç °£ÆíÇÑ ½ÄÀÇ ±¸Á¶·Î Ç¥ÇöµÇ¾î¾ß ÇÑ´Ù. ÀÌ¿¡ º» ¿¬±¸¿¡¼­´Â GIUH ÀÌ·ÐÀ» À§ÃµÀÇ °í³ë, Åë°î, È¿·É À¯¿ª¿¡ Àû¿ëÇϰí, ½ÇÃø ÀڷḦ ±Ù°Å·Î ÇÑ ÃÖÀûÈ­ °úÁ¤À» ÅëÇÏ¿© Ư¼º¼Óµµ¸¦ »êÁ¤ÇÏ¿´´Ù. ±×·¸°Ô ±¸ÇÑ Æ¯¼º¼Óµµ´Â GcIUH ¹× ±âŸ ÁýÁ߽𣿡 °üÇÑ °æÇè°ø½Ä°úÀÇ ºñ±³¸¦ ÅëÇØ °¡Àå ÀûÀýÇÑ ¹æ¹ýÀ» ¼±Á¤ÇÒ ¼ö ÀÖµµ·Ï ÇÏ¿´´Ù. ºñ±³ °á°ú Kerby, ±è³²¿ø, Kinematic Wave, Brasby-Williams °ø½Ä µîÀÌ ºñ±³Àû ½ÇÃøÄ¡¿Í ±Ù»çÇÑ °ªÀ» ÁÖ´Â °ÍÀ¸·Î Á¶»çµÇ¾úÀ¸³ª, Kerby, Kinematic Wave °ø½Ä µîÀÇ °æ¿ì Á¶µµ°è¼ö n°ªÀÌ ´Ù¼Ò ÁÖ°üÀûÀ¸·Î ÃßÁ¤µÉ ¼ö ÀÖÀ¸¸ç, ¶ÇÇÑ Æ¯¼º¼Óµµ°¡ ÀÌµé °è¼ö¿¡ µû¶ó Å©°Ô º¯È­ÇÏ´Â ´ÜÁ¡ÀÌ ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. µû¶ó¼­, ºñ±³Àû Á¤È®ÇÏ°íµµ °´°üÀûÀÎ °ªÀ» ÁÖ´Â ±è³²¿ø ¹× Brasby-Williams°ø½ÄÀ» À¯¿ªÀÇ Æ¯¼º¼Óµµ »êÁ¤°ø½ÄÀ¸·Î Á¦½ÃÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î º¸ÀδÙ.
The GIUH (Geomorphologic Instantaneous Unit Hydrograph) is to be applied to the ungauged or insufficiently gauged basins. For tIris purpose, an accurate estimation of the charactenstlc velocity is one very important part, but any proper method for this has not been developed yet. In case that we have enough rainfall and runoff clata, the estimation of the characteristic velocity may be an easy job, but it is out of the purpose of the GIUH. Remindmg that the purpose of GIUH the characterisbc veloclty should be estimated based on the geomorpholog1c analysis and also be snnple for easy apphcation. In tIris research analysis cmd application of the GruH was given to several sub-basins in Wi-stream river basin, Gono, Donggok and Hyoryung. After deriving the characteristic velocity througn a optimizatlOn process with real data, it is compared w1th several velOCIties der1ved from geOlnoI1Jhoclimatic instantaneous unit hydrograph theory and several other concentration time formulae. The estimated charactenstic velocities using Kerby, Kim, KInematic Wave, and Brasby- Williams formulae found to g1ve the appropriate results. Hmvever, as the Kerby, and the Kinematic Wave require user's decision of the IvIanning's n value, the K1m and the Braby-Williams seem to be more applicable and recommended as characteristic velocity formula.
 
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ÁöÇüÇüÅÂÇÐÀû ¼ø°£´ÜÀ§µµ;Ư¼º¼Óµµ;ÁýÁ߽ð£;geomrphologic instaneous unit hydrograph;characteristic velocity;concentration time;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.33, no.3, 2000³â, pp.315-330
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011920063704)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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