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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.43, no.3, 2010³â, pp.349-355
³ó¾÷¿ë¼ö À̿뷮À» °í·ÁÇÑ ±Ý°­À¯¿ª Àå±âÀ¯Ãâ¸ðÀÇ
( Long-term Runoff Simulation Considering Water for Agricultural Use in Geum River Basin )
¿ìµ¿Çö;ÀÌ»óÁø;±èÁÖö;¾ÈÁ¤¹Î; ÇѱؼöÀÚ¿ø°ø»ç K-water¿¬±¸¿ø;ÇѱؼöÀÚ¿ø°ø»ç K-water¿¬±¸¿ø;ÇѱؼöÀÚ¿ø°ø»ç K-water¿¬±¸¿ø;ÇѱؼöÀÚ¿ø°ø»ç K-water¿¬±¸¿ø;
 
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º» ¿¬±¸¿¡¼­´Â À¯¿ªÀÇ È¿À²ÀûÀÎ ¹°°ü¸®¸¦ À§ÇØ À̼öÀûÀÎ Ãø¸é¿¡¼­ ÀԷµǴ ³ó¾÷¿ë¼ö¸¦ ¼ö¿äÃø¸é¿¡¼­ »êÁ¤µÈ °èȹ·®¿¡¼­ ½Ç À̿뷮¿¡ ±Ù»çÇÏ°Ô º¸Á¤ÇÏ´Â ¹æ¹ýÀ» Á¦½ÃÇϰí Àå±âÀ¯Ãâ¸ðÇüÀ» Ȱ¿ëÇÏ¿© ½Ç¿ë¼ºÀÌ ³ôÀº °á°ú¸¦ µµÃâÇϰíÀÚ ÇÏ¿´´Ù. º» ¿¬±¸ÀÇ ³»¿ëÀ» ¿ä¾àÇÏ¸é ´ÙÀ½°ú °°´Ù. 1) ³ó¾÷¿ë ¼ö¸®½Ã¼³¹°µéÀÌ ÇÏõÀ¯·®¿¡ ³¢Ä¡´Â ¿µÇâÀ» ºÐ¼®ÇÏ¿© ³ó¾÷¿ë¼ö À̿뷮À» °í·ÁÇÑ Àå±âÀ¯ÃâÀ» ¸ðÀÇÇÏ¿´´Ù. ±× °á°ú ÇÏõ¼ö ÀÇÁ¸µµ°¡ ³·Àº ÁöÁ¡¿¡¼­ °üÃø°ª°ú Â÷À̰¡ Å« ºÒ·®ÇÑ ¸ðÀǰ¡ ÁÖ·Î ¹ß»ýÇÏ¿´´Ù. 2) ¿¬°­¿ì·®°ú À¯Ãâ¿ÀÂ÷¿ÍÀÇ »ó°ü°ü°è¸¦ ºÐ¼®ÇÑ °á°ú 2001³âÀ̳ª 2008³â°ú °°Àº °¡¹³³â¿¡ ½ÇÁ¦ ¿ë¼öÀÌ¿ëÀ» ÃæÁ·½ÃŰÁö ¸øÇÏ¿© À¯Ãâ¸ðÀǽà ¿ÀÂ÷°¡ Ä¿ÁüÀ» È®ÀÎÇÏ¿´´Ù. 3) Àå±âÀ¯Ãâ·® ¸ðÀǺм®À» ÅëÇØ ³í³ó»ç°¡ º»°ÝÀûÀ¸·Î ½ÃÀ۵Ǵ 5¿ùºÎÅÍ À¯Ãâ·®ÀÌ À½ÀÇ °ªÀ¸·Î ¸ðÀǵǰí ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù. ¼Ò±Ô¸ð ¼ö¸®½Ã¼³¹°À» °í·ÁÇÏ¿© º¸Á¤ÇÑ ¿ë¼ö·®À» ÀÌ¿ëÇÑ °á°ú »ó°ü°è¼ö°¡ º¸Á¤Àü 0.580¿¡¼­ º¸Á¤ÈÄ 0.788·Î º¸Á¤Àü ¸ðÀǺ¸´Ù °üÃø°ª°ú »ó°ü¼ºÀÌ ³ô¾ÆÁüÀ» Á¤·®ÀûÀ¸·Î È®ÀÎÇÏ¿´´Ù. 4) ÁÖ¿äÁöÁ¡ÀÇ ºÒÀÏÄ¡À²($R_D$) ºÐ¼®°á°ú Àü¹ÝÀûÀ¸·Î º¸Á¤À» ÅëÇÑ ¸ðÀǰ¡ ÀûÀº ºÒÀÏÄ¡ ¹üÀ§¿¡ ´Ù¼ö Æ÷ÇÔµÊÀ» Á¤·®ÀûÀ¸·Î È®ÀÎÇÏ¿´´Ù. ƯÈ÷ ´ëûÁöÁ¡ÀÇ ºÒÀÏÄ¡À² ºÐ¼®°á°ú -2¿¡¼­ -2.5»çÀÌÀÇ ÀúÀ¯·® ¿ÀÂ÷±¸°£¿¡ Àüü¿ÀÂ÷ÀÇ 3% Â÷ÁöÇÏ´Â 75°³ÀÇ ºÒÀÏÄ¡À² ³ªÅ¸³µ´Ù. ÀÌ´Â ¼Ò±Ô¸ð¼ö¸®½Ã¼³¹°À» °í·ÁÇÏÁö ¸øÇÏ°í ¿ë¼ö·®ÀÌ °ú´Ù »êÁ¤µÇ¾î ³ªÅ¸³ª´Â ¿ÀÂ÷·Î º» ¿¬±¸¿¡¼­ Á¦½ÃÇÑ ¹æ¹ýÀ» ÅëÇØ ¸ðµÎ °³¼±µÇ¾ú´Ù. 5) ÀÜÂ÷ºÐ¼®À» ÅëÇØ ´ëûÁöÁ¡ÀÇ º¸Á¤ Àü/ÈÄ·Î ¸ðÀÇŸ´ç¼º °ËÁ¤À» ½Ç½ÃÇÏ¿´´Ù. ÀÜÂ÷ÀÇ Á¤±Ô¼º ¹× µ¶¸³¼ºÀ» ºÐ¼®ÇÑ °á°ú º¸Á¤À» ÅëÇØ ¸ðÀÇÀÇ Å¸´ç¼ºÀÌ °³¼±µÊÀ» È®ÀÎÇÏ¿´´Ù.
This study aims at the augmentation of reliability of the long-term rainfall runoff model. To do so agricultural water uses are evaluated by analyzing the effects of small scale irrigational hydraulic structures on long term runoff processes and thereby rainfall-runoff model is modified considering them. As a result the simulation results of the sub-basins having more agricultural reservoirs than the others are disagreed with the observations. The 2nd quarter simulation results show similar trend to it. Especially the farming seasonal results of the drought year as the year of 2008 have many negative discharge values due to the lack of agricultural water uses. This result come from the water uses input data corresponding to not real water uses but water demands. In this study the formulas are derived to estimate the discharges and return ratios and the long term rainfall-runoff model is reformulated based on these. It is confirmed that the errors of the simulation results could be reduced by considering the effects of small scale irrigational hydraulic structures and the reliability of the simulation results improved greatly.
 
Ű¿öµå
irrigation facilities;irrigation area;long-term streamflow;SSARR model;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.43, no.3, 2010³â, pp.349-355
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201009654402816)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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