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Çѱ¹¼öÀÚ¿øÇÐȸ / v.39, no.11, 2006³â, pp.923-934
±âÈÄ, ÁöÇϼö Ãë¼ö ¹× ÅäÁöÀÌ¿ë º¯È­ÀÇ °Ç±â ÃÑÀ¯Ãâ·®¿¡ ´ëÇÑ ¿µÇâ
( Effects of Changes of Climate, Groundwater Withdrawal, and Landuse on Total Flow During Dry Period )
À̱漺;Á¤Àº¼º;½Å¹®ÁÖ; ¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Áö±¸È¯°æ½Ã½ºÅÛ°øÇкÎ;(ÁÖ)µ¿ºÎ¿£Áö´Ï¾î¸µ ¼öÀÚ¿øºÎ;
 
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º» ¿¬±¸´Â SWAT¸ðÇüÀ» ÀÌ¿ëÇÏ¿© ±â»ó, ÁöÇϼö Ãë¼ö·®, ÅäÁöÀÌ¿ë º¯È­¿¡ ´ëÇÑ °Ç±â ÃÑÀ¯Ãâ·®ÀÇ ¹Î°¨µµ¸¦ Á¦½ÃÇÏ¿´À¸¸ç ´õ ³ª¾Æ°¡ °Ç±âÀÇ ÃÑ À¯Ãâ·®À» ÃßÁ¤Çϱâ À§ÇØ °Ç±â ÃѰ­¿ì·®, Àü ¿ì±â ÃѰ­¿ì·®, Æò±Õ ÀÏ ÃÖ´ë¿Âµµ, ÀÏÆò±Õ ž纹»ç·®°ú °°Àº ±â»ó º¯¼öµé°ú ÁöÇϼö Ãë¼ö·® ¹× µµ½Ã¸éÀû ºñÀ²À» ÀÌ¿ëÇÏ¿© ȸ±Í½ÄÀ» µµÃâÇÏ¿´´Ù. µµÃâµÈ ½ÄÀ» ÀÌ¿ëÇÏ¿© ±âÈĺ¯È­¿¡ ´ëÇÑ °Ç±â ÃÑÀ¯Ãâ·® º¯È­¸¦ »ìÆìº¸±â À§ÇÏ¿© ¿Âµµ¿Í °­¿ì·®ÀÇ º¯È­¿¡ ´ëÇÑ °Ç±â ÃÑÀ¯Ãâ·®ÀÇ º¯È­À²À» Á¦½ÃÇÏ¿´´Âµ¥ ±âÈĺ¯È­·Î ÀÎÇØ ¿Âµµ°¡ »ó½ÂÇÒ °æ¿ì °Ç±âÀÇ ÃÑ À¯Ãâ·®Àº °¨¼ÒÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÁöÇϼö Ãë¼ö·®Àº ÃÑ À¯Ãâ·®°ú °ü°è°¡ ³ôÀºµ¥ ¹ÝÇØ ÅäÁöÀÌ¿ë º¯È­´Â »ê°£À¯¿ªÀÎ ´ë»óÀ¯¿ªÀÇ °æ¿ì Å©°Ô ¿µÇâÀ» ¹ÌÄ¡Áö ¾ÊÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù. º» ¿¬±¸¿¡¼­ Á¦¾ÈµÈ ½ÄÀº ±âÀúÀ¯Ãâ¿¡ ¿µÇâÀ» Å©°Ô ¹ÌÄ¡´Â °­¿ì¿Í ±â¿Â ¹× ž纹»ç·®À» Æ÷ÇÔÇÏ´Â ±â»ó»óÅÂ, ÁöÇϼö Ãë¼ö·®, µµ½Ã¸éÀû ºñÀ²À» º¯¼ö·Î °®´Â ½ÄÀ̹ǷΠ±âÈĺ¯È­¸¦ ºñ·ÔÇÑ À¯¿ªÀÇ ´Ù¾çÇÑ ¼ö¹®ÇÐÀû º¯È­¿¡ ´ëÇØ ´ë»óÀ¯¿ªÀÇ ¹Ì·¡ °Ç±âÀÇ ¼öÀÚ¿ø È®º¸·®À» ¿¹ÃøÇϴµ¥ À¯¿ëÇÏ°Ô »ç¿ëµÉ ¼ö ÀÖ´Ù.
In this study, the effects of variability in climate, groundwater withdrawal, and landuse on dry-weather streamflows were investigated by input sensitivity analysis using SWAT (Soil and Water Assessment Tool). Since only dry-period precipitation and daily average solar radiation among climate variables have high correlation coefficients to total flow (TF), sensitivity analyses of those were conducted. Furthermore, an equation was derived from simulation results for 30 years by multiple regression analysis. It may be used to estimate effects of various climatic variations (precipitation during the dry period, precipitation during the previous wet period, solar radiation, and maximum temperature). If daily average maximum temperatures increase, TFs during the dry period will decrease. Sensitivities of groundwater withdrawal and landuse were also conducted. Similarly, groundwater withdrawals strongly affect streamflow during the dry period. However, landuse changes (increasing urbanization) within the forested watershed do not appear to significantly affect TF during the dry period. Finally, a combined equation was derived that describes the relationship between the total runoff during the dry period and the climate, groundwater withdrawal and urban area proportion. The proposed equation will be useful to predict the water availability during the dry period in the future since it is dependent upon changes of temperature, precipitation, solar radiation, urban area ratio, and groundwater withdrawal.
 
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±âÈĺ¯È­;ÁöÇϼö Ãë¼ö;ÅäÁöÀÌ¿ë;°Ç±â ÃÑ À¯Ãâ·®;¹Î°¨µµ ºÐ¼®;climate change;groundwater withdrawal;landuse;total flow during dry period;input sensitivity analysis;SWAT;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.39, no.11, 2006³â, pp.923-934
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200604623537652)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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