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Çѱ¹¼öÀÚ¿øÇÐȸ / v.39, no.10, 2006³â, pp.833-844
SWATÀ» Ȱ¿ëÇÑ ÃæÁÖ´ï À¯¿ªÀÇ À¶¼³ ¿µÇâ Æò°¡
( An Evaluation of Snowmelt Effects Using SWAT in Chungju Dam Basin )
±è³²¿ø;À̺´ÁÖ;ÀÌÁ¤Àº; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ¼öÀÚ¿ø¿¬±¸ºÎ;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ¼öÀÚ¿ø¿¬±¸ºÎ;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ¼öÀÚ¿ø¿¬±¸ºÎ;
 
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º» ¿¬±¸´Â ÁØ ºÐÆ÷Çü Àå±âÀ¯Ãâ¸ðÇüÀÎ SWAT¸ðÇüÀ» ÀÌ¿ëÇÏ¿© À¶¼³¸ðÀÇ¿¡ µû¸¥ À¯Ãâ ¹× ¼ö¹®¼ººÐÀÇ ¿µÇâÀ» ºÐ¼®ÇϰíÀÚ Çϴµ¥ ±× ¸ñÀûÀÌ ÀÖ´Ù. ´ë»óÀ¯¿ªÀ¸·Î´Â ÃæÁÖ´ï À¯¿ªÀ» ¼±Á¤ÇÏ¿´À¸¸ç À¶¼³ ¸Å°³º¯¼ö¸¦ »êÁ¤ÇÏ¿´´Ù. ÃæÁÖ´ïÁöÁ¡¿¡¼­ÀÇ °üÃøÀ¯·®°ú À¶¼³¸ðÀÇ ÀüÈÄÀÇ ¸ðÀÇÀ¯·®À» ºñ±³ÇÑ °á°ú À¶¼³¸ðÀǸ¦ ¼öÇàÇÑ À¯Ãâ°Åµ¿ÀÌ °üÃøÄ¡¿Í À¯»çÇÏ°Ô ¸ðÀǵǾúÀ¸¸ç, ƯÈ÷ 3, 4¿ù¿¡ À¶¼³ ¿µÇâÀÌ Å« °ÍÀ¸·Î ³ªÅ¸³µ´Ù. »ó·ùÀ¯¿ª 2°³ ÁöÁ¡¿¡ ´ëÇØ¼­µµ À¯»çÇÑ °á°ú¸¦ º¸¿´´Ù. ¶ÇÇÑ, À¶¼³ ¸ðÀǽà ǥ°í¹êµå ¼³Á¤¿¡ µû¸¥ ¿µÇâÀ» ºÐ¼®ÇÏ¿´À¸¸ç, À¶¼³ °í·Á¿¡ µû¸¥ °¢ ¼ö¹®¼ººÐµéÀÌ ½Ã°£Àû, ¾çÀûÀ¸·Î ´Ù¸¥ °Åµ¿À» º¸ÀÌ´Â °ÍÀ» Á¦½ÃÇÏ¿´´Ù. ´Ù¸¸, À¶¼³ ¸ðÀǽà À¶¼³ ¹ß»ý ÀÓ°è¿Âµµ ÀüÈÄÀÇ ¿Âµµº¯È­¿¡ µû¶ó À¯Ãâ·®ÀÌ ¹Î°¨ÇÏ°Ô ¹ÝÀÀÇÏ´Â ¹®Á¦°¡ µµÃâµÇ¾úÀ¸¸ç, ÀÌ´Â ÇâÈÄ ¿¬±¸¸¦ ÅëÇØ °³¼±µÇ¾î¾ß ÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
The objective of this study is to evaluate the snowmelt effects on the hydrological components, especially on the runoff, by using the soil water assessment tool(SWAT) which is a continuous semi-distributed long term rainfall-runoff model. The model was applied to the basin located in the upstream of the Chungju Dam. Some parameters in the snowmelt algorithm were estimated for the Chungju basin in order to reflect the snowmelt effects. The snowmelt effects were assessed by comparing the simulated runoff with the observed runoff data at the outlet of the basin. It was found out that the simulated runoff with considering the snowmelt component matches more satisfactorily to the observed one than without considering snowmelt effect. The simulation results revealed that the snowmelt effects were noticeable on March and April. Similar results were obtained at other two upstream gauging points. The effect of the elevation bands which distribute temperature and precipitation with elevation was analyzed. This study also showed that the snowmelt effect significantly affects the temporal distribution as well as quantity of the hydrological components. The simulated runoff was very sensitive to the change of temperature near the threshold temperature which the snowmelt can occur. However, the reason was not accounted for this paper, Therefore, further analyses related to this feature are needed.
 
Ű¿öµå
À¶¼³;ÃæÁÖ´ïÀ¯¿ª;SWAT;snowmelt;Chungju Dam Basin;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.39, no.10, 2006³â, pp.833-844
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200604623538256)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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