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Çѱ¹¼öÀÚ¿øÇÐȸ / v.27, no.1, 1994³â, pp.141-150
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À¯Ãâ¿¹ÃøÀ» À§ÇÑ ÇϵµÃßÀû ¸ðÇü
( Channel Routing Model for Streamflow Forecasting ) |
| ÁöÈ«±â;¹Ú±âÈ£; ¿µ³²´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;¿µ³²´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
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| º» ¿¬±¸¿¡¼´Â ÇÏõÀ¯¿ªÀÇ À¯Ãâ°úÁ¤ÀÇ ÇØ¼® ¹× ±× ¿¹ÃøÀ» À§Çؼ ¼ö¸®ÇÐÀû ÇϵµÃßÀû¸ðÇüÀ» Àû¿ëÇÏ¿© À¯¿ªÀÇ È«¼öÀ¯Ãâ·®À» »êÁ¤ÇÒ ¼ö ÀÖ´Â ¿¹Ãø¸ðÇüÀÇ ¾Ë°í¸®Áò ¹× ±× ÇÁ·Î±×·¥ÀÇ °³¹ßÀ» ¸ñÀûÀ¸·Î Çϰí ÀÖ´Ù. À̶§ »ç¿ëµÈ ÇϵµÃßÀû¸ðÇüÀº DWOPER ¸ðÇüÀ̸ç, ÀÌ¿Í °áÇյǾî À¯¿ªÀ¯Ãâ·®ÀÇ »êÁ¤Àº °³³äÀû ¸ðÇüÀÌ »ç¿ëµÇ¾ú´Ù. °³³äÀû ¸ðÇü¿¡¼ °è»êµÈ À¯Ãâ·®À» DWOPER ¸ðÇü¿¡ Àû¿ë½ÃŲ °á°ú¿¡ ´ëÇØ¼ ±× ÀûÇÕ¼ºÀ» ½ÇÃøÀÚ·á¿Í ºñ±³ºÐ¼®ÇÑ °á°ú, ¼ö¹®°î¼±ÀÇ »ó½ÂºÎ, ÷µÎºÎ ¹× °¨¼ÒºÎ¿¡¼ °ÅÀÇ Á¢±ÙµÈ ÇϵµÃßÀûÀÌ ÀϾ¹Ç·Î ÇϵµÃßÀûÀÌ ºñ±³Àû Àß ¼öÇàµÊÀ» ¾Ë ¼ö ÀÖ´Ù. ÇÑÆí ÇϵµÃßÀû ¸ðÇüÀÇ ¿øÈ°ÇÑ ¼öÇàÀ» À§ÇÏ¿© °¡Áß Factor $ heta$¿Í ¿ÀÂ÷ÀÇ Çã¿ëÄ¡ $varepsilon$ÀÇ ÀûÀýÇÑ ¹üÀ§¸¦ ±¸ÇÏ¿© ºñ±³Àû ¾ÈÁ¤µÈ ÇØ¸¦ ±¸ÇÒ ¼ö ÀÖ¾ú´Ù. |
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| The purpose of this study is develope the algorithm of channel routing model which can be used for flood forecasting. In routing model, the hydrulic technique of the implicit scheme in the dynamic equation is chosen to route the unsteady varied flow. The channel routing model is connected with conceptual watershed model which is able to compute the flood hydrograph from each subbasin. The comparative study shows that the conceptual model can simulate the watershed runoff accurately. As a result of investigating the channel routing model, the optimal weighting factor $ heta$ which fixes two points between time line is selected. And also, the optimal error tolerance which satisfies computing time and converge of solution is chosen. |
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.27, no.1, 1994³â, pp.141-150
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199411920094838)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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