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Çѱ¹¼öÀÚ¿øÇÐȸ / v.34, no.5, 2001³â, pp.543-549
¼öÀ§°üÃø°ú ¼ö¸®ÇÐÀû ÇϵµÃßÀû¿¡ ÀÇÇÑ ÇÏõÀ¯·® °£Á¢ÃßÁ¤
( Stream Discharge Estimation by Hydraulic Channel Routing and Stage Measurement )
ÀÌ»óÈ£;°­½Å¿í; ºÎ°æ´ëÇб³ °ø°ú´ëÇÐ °Ç¼³°øÇкÎ;ºÎ°æ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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¼ö¸®ÇÐÀû ÇϵµÃßÀûÀ¸·ÎºÎÅÍ ÇÏõÀ¯·®À» °£Á¢ÃßÁ¤ÇÏ¿´´Ù. ªÀº ÇÏõ±¸°£ÀÇ ¼¼ ÁöÁ¡ ¿¬¼Ó¼öÀ§ÀÚ·á¿Í ÇÏõ ´Ü¸é ÀڷḸÀ» »ç¿ëÇÏ¿© Á¶µµ°è¼ö ÃßÁ¤b°ú ÇÏõÀ¯·® °è»êÀÌ °¡´ÉÇÏ¿´´Ù. À¯·®ÀÇ °£Á¢ÃßÁ¤ °úÁ¤¿¡¼­, »ó·ù-ÇÏ·ù °æ°èÁ¶°ÇÀ» ¼öÀ§-¼öÀ§ Á¶°ÇÀ¸·Î »ç¿ëÇÏ¿´´Ù. ¹Ì±¹ ¹Ì½Ã½ÃÇÇ °­ÀÇ »ó·ù ±¸°£ ÀÚ·á°¡ »ç¿ëµÇ¾ú°í ¼ö¸®ÇÐÀû ÇϵµÃßÀû¿¡´Â DWO-PER (operational dynamic wave model)¸¦ ÀÌ¿ëÇÏ¿´´Ù. DWOPER ¸ðÇü¿¡¼­ ¼öÁ¤ Newton-Raphson¹ý¿¡ ÀÇÇÑ Á¶µµ°è¼ö ÃßÁ¤°úÁ¤À» °³¼±Çϱâ À§ÇÏ¿© SCE-UA Àü¿ªÃÖÀûÈ­ ±â¹ýÀ» Àû¿ëÇÏ¿´À¸¸ç, SCE-UA ±â¹ýÀÇ °á°ú°¡ ÀûÀº ¿ÀÂ÷¸¦ º¸¿´´Ù. ƯÁ¤ È«¼ö¿¡ ´ëÇÏ¿© À¯·®À» ÃßÁ¤ÇÑ °á°ú, ¸î °³¸¦ Á¦¿ÜÇÑ ´ëºÎºÐÀÇ °è»êÀ¯·®ÀÌ 10% À̳»ÀÇ ¿ÀÂ÷¸¦ º¸¿´´Ù.
This research estimated stream discharges indirectly by hydraulic channel routing. Only stage data from three stage stations and river cross section data were used to estimate Manning roughness coefficients and to compute stream discharges. When the discharges were estimated a stage-stage set of conditions was used for upstream-downstream boundary conditions. The research used the data from the upper Mississippi River. The hydraulic channel routings were performed by DWOPER (operational dynamic wave model). The global optimization program of SCE-UA was used to improve the roughness coefficient estimation module of the modified Newton-Raphson method in DWOPER. The results from SCE-US were better. For the case study of a flood, most estimated discharges except a few show errors within 10%.
 
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Á¶µµ°è¼ö;ÇÏõ À¯·® ÃßÁ¤;Àü¿ªÃÖÀûÈ­;DWOPER;SCE-UA;roughness coefficient;stream discharge estimation;global optimization;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.34, no.5, 2001³â, pp.543-549
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200111920841121)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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