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Çѱ¹¼öÀÚ¿øÇÐȸ / v.43, no.12, 2010³â, pp.1051-1061
Muskingum ÇϵµÃßÀû¹æ¹ýÀÇ ¼ö¹®ÇÐÀû ÀçÇØ¼®: ¼±ÇüÀú¼öÁö¸ðÇü°ú ¼±ÇüÇÏõ¸ðÇüÀÇ ¼±Çü°áÇÕ
( Hydrologic Re-Analysis of Muskingum Channel Routing Method: A Linear Combination of Linear Reservoir and Linear Channel Models )
À¯Ã¶»ó;±èÇÏ¿µ; °í·Á´ëÇб³ °ø°ú´ëÇÐ °ÇÃà»çȸȯ°æ°øÇкÎ;°í·Á´ëÇб³ °ÇÃà»çȸȯ°æ°øÇкÎ;
 
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º» ¿¬±¸¿¡¼­´Â Muskingum ÇϵµÃßÀû¸ðÇüÀ» ¼ö¹®ÇÐÀûÀ¸·Î ÀçÇØ¼®ÇÏ¿© Áöüȿ°ú¸¸À» °í·ÁÇÏ´Â ¼±ÇüÇÏõ¸ðÇü°ú Àú·ùÈ¿°ú¸¸À» °í·ÁÇÏ´Â ¼±ÇüÀú¼öÁö¸ðÇüÀÇ ¼±Çü°áÇÕÀ¸·Î ³ªÅ¸³»¾ú´Ù. À¯µµµÈ ¸ðÇüÀº ÀÏÁ¾ÀÇ ¼ø°£´ÜÀ§µµÀÇ ÇüŰ¡ µÇ¸ç, ±× ¸Å°³ º¯¼ö´Â Muskingum ¸ðÇüÀÇ ¸Å°³º¯¼ö¿Í µ¿ÀÏÇÏ´Ù. Áï, ÃßÀû½Ã°£°£°Ý ${Delta}t$ ¶Ç´ÂÁöü½Ã°£ $T_c$ ÈÄ¿¡ ÃÖÃÊÀÇ À¯ÃâÀÌ ¹ß»ýÇÏ°Ô µÇ°í, ÃÑ À¯ÀÔ·® Áß x ¸¸Å­Àº ¼±ÇüÇÏõ¸ðÇü¿¡ ÀÇÇØ Àú·ùÈ¿°ú ¾øÀÌ ºüÁ®³ª°¡°í ³ª¸ÓÁö(1-x) ¸¸Å­Àº ¼±ÇüÀú¼öÁö¸ðÇü¿¡ ÀÇÇØ Àú·ù»ó¼ö $K_c$·Î ´ëº¯µÇ´Â Àú·ùÈ¿°ú¸¦ ³ªÅ¸³»¸ç ºüÁ®³ª°¡´Â ÇüÅÂÀÌ´Ù. Muskingum ÇϵµÃßÀû ¸ðÇü°ú ±×¿¡ ´ëÀÀÇÏ´Â ¼ø°£´ÜÀ§µµ¸¦ °¡»óÇϵµ¿¡ Àû¿ëÇØ º» °á°ú, µÎ ¸ðÇüÀÌ ±Ùº»ÀûÀ¸·Î ÇϵµÃßÀû°á°ú°¡ µ¿ÀÏÇÔÀ» È®ÀÎÇÏ¿´´Ù. ÀÌ·¯ÇÑ °á°ú´Â ´ëû´ï ¹æ·ù·®¿¡ ´ëÇÑ ±Ý³² ¹× °øÁÖÁöÁ¡±îÁöÀÇ ÇϵµÃßÀû°á°ú¿¡¼­µµ È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
This study hydrologically re-analysed the Muskingum channel routing method to represent it as a linear combination of the linear channel model considering only the translation and the linear reservoir model considering only the storage effect. The resulting model becomes a kind of instantaneous unit hydrograph, whose parameters are identical to those of the Muskingum model. That is, the outflow occurs after the routing interval ${Delta}t$ or concentration time $T_c$, and among the total amount of inflow, the x portion is translated by the linear channel model and the remaining (1-x) portion is routed by the linear reservoir model with the storage coefficient £¿£¿$K_c$. The application result of both the Muskingum channel routing method and its corresponding instantaneous unit hydrograph to an imaginary channel showed that these two models are basically identical. This result was also assured by the application to the channel flood routing to the Kumnam and Gongju Station for the discharge from the Daechung Dam.
 
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Muskingum ÇϵµÃßÀû;¼±ÇüÇÏõ;¼±ÇüÀú¼öÁö;Muskingum channel routing;linear channel;linear reservoir;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.43, no.12, 2010³â, pp.1051-1061
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201007049674085)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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