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Çѱ¹¼öÀÚ¿øÇÐȸ / v.39, no.8, 2006³â, pp.703-716
SWAT ¸ðÇüÀ» ÀÌ¿ëÇÑ µµ½ÃÇÏõ »ó·ùÀ¯¿ªÀÇ ÇÏõÀ¯ÁöÀ¯·® »êÁ¤¹æ¾È
( Determination of Instreamflow Requirement for Upstream Urban Watershed Using SWAT Model )
À̱漺;Á¤Àº¼º;½Å¹®ÁÖ;±è¿µ¿À; ¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;µ¿ºÎ¿£Áö´Ï¾î¸µ ¼öÀÚ¿øºÎ;¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;
 
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º» ¿¬±¸¿¡¼­´Â ¾È¾çõ Áß»ó·ù À¯¿ª¿¡ ´ëÇØ SWAT ¸ðÇüÀ» ÀÌ¿ëÇÏ¿© ÇöÀç(2000³â)ÀÇ ÅäÁöÀÌ¿ë ¹× ÁöÇϼö Ãë¼ö·®(2000³â)À» Åä´ë·Î À¯È²°î¼±À» µµÃâÇÏ°í °³¹ßÀÌÀüÀÇ ÅäÁöÀÌ¿ë(1975³â)°ú ÁöÇϼö Ãë¼ö°¡ ÀüÇô ¾ø´Â ÀÌ»óÀûÀÎ »óÅ¿¡¼­ À¯È²°î¼±À» µµÃâÇÏ¿© ºñ±³ ºÐ¼®ÇÏ¿´´Ù. ¶ÇÇÑ ±âÁ¸ÀÇ °¥¼ö·®°ú Ç׸ñº° ÇÊ¿äÀ¯·®À» ºñ±³ÇÏ¿© Å« °ªÀ¸·Î ÇÏõÀ¯ÁöÀ¯·®À» ¼³Á¤ÇÑ °Í°ú º» ¿¬±¸¿¡¼­ ¼öÇàÇÑ À¯È²µéÀ» ºñ±³ÇÏ¿´´Ù. ±× °á°ú ¿ÀÀü, »ï¼º, »ï¸·, ¼ö¾ÏõÀÇ °æ¿ì, ÇöÀçÀÇ »óÅÂ¿Í ÀÌ»óÀûÀÎ »óÅÂÀÇ °¥¼ö·®ÀÌ ÀüÇô º¯È­ÇÏÁö ¾ÊÀ½À» º¸¿´À¸¸ç »ï¼º, »ï¸·ÃµÀº µÎ °æ¿ì, ¸ðµÎ °¥¼ö·®ÀÌ 0ÀÓÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. ÀÌ´Â ´ë»óÀ¯¿ªÀÇ À¯¿ª¸éÀûÀÌ ÀÛÀº Áö¹æ2±Þ ÇÏõÀÏ »Ó¸¸ ¾Æ´Ï¶ó °æ»ç°¡ ±ÞÇÑ »ê°£Áö¿ªÀÌ ´ëºÎºÐÀ» ÀÌ·ç¾î¼­ °³¹ß Àü¿¡µµ ±âÀúÀ¯ÃâÀÌ ¸¹Áö ¾Ê¾Ò±â ¶§¹®ÀÌ´Ù. ¶ÇÇÑ ÇÐÀÇ, »ï¼ºÃµ, ±â¾Æ´ë±³ »ó·ùÀ¯¿ª°ú °°ÀÌ ÇÏõÀ¯ÁöÀ¯·®À» Ç׸ñº° ÇÊ¿äÀ¯·®À¸·Î »êÁ¤ÇÑ °æ¿ì´Â ¸ðµç À¯¿ª¿¡¼­ ÀÌ»óÀûÀÎ »óȲÀÇ Àú¼ö·®º¸´Ù Å« °ªÀ» º¸¿´´Ù. µû¶ó¼­ Áö¹æ2±Þ ÇÏõ°ú °°ÀÌ À¯¿ª¸éÀûÀÌ À۰ųª »êÁöÇÏõÀÇ °æ¿ì¿¡µµ ÀÏ·üÀûÀ¸·Î °¥¼ö·®À̳ª Ç׸ñº° ÇÊ¿äÀ¯·®À» ºñ±³ÇÏ¿© Å« °ªÀ¸·Î ÇÏõÀ¯ÁöÀ¯·®À» ¼³Á¤Çϱ⺸´Ù´Â SWAT°ú °°Àº ÅäÁöÀÌ¿ëÀ» °í·ÁÇÏ´Â ¼ö¹® ¸ðÀǸðÇüÀ» ÀÌ¿ëÇÏ¿© ´ë»óÀ¯¿ª¿¡ ´ëÇØ ÀÚ¿¬ÀûÀÎ »óȲ¿¡¼­ÀÇ °¥¼ö·® ¶Ç´Â Àú¼ö¶û µî ´Ù¸¥ ÀûÀýÇÑ ¹æ¾ÈÀ» »ç¿ëÇÏ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÏ´Ù.
The flow duration curves in the present and the ideal hydrologic cycle were derived using SWAT model. The present situation is the landuse and the groundwater withdrawal in the year of 2000 and the ideal situation is the landuse of 1975 and no groundwater withdrawal. These results were compared with the previous instream flow requirements which are the larger flow between the average drought flow and environmental control flow. As a result, the present and ideal drought flows of Ojeoncheon, Hakuicheon, Samseongcheon, and Sammakcheon, were the same and the drought flows of Samseongcheon and Sammakcheon were even zero since the baseflow is very little due to the small and mountainous watersheds. The previous instream flow requirement for the riverine function is also larger than the low flow of the ideal hydrologic cycle. The present method to set the instream flow requirement is not proper for the small mountainous watershed since it can be usually overestimated and drive the artificial measures to secure the streamflow Therefore, another method should be developed such as the low flow and the average flow between the drought flow and the low flow of the ideal hydrologic cycle using the proper hydrologic simulation model such as SWAT which can consider the landuse.
 
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»êÁöÀ¯¿ª;À¯È²°î¼±;ÇÏõÀ¯ÁöÀ¯·®;ÅäÁöÀÌ¿ë;ÁöÇϼö Ãë¼ö;Mountainous Watershed;Flow Duration Curve;Instreamflow Requirement;SWAT;Landuse;Groundwater Withdrawal;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.39, no.8, 2006³â, pp.703-716
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200634741444925)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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