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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.2, 2003³â, pp.183-193
°­¿ìÀÇ ½Ã°£ºÐÆ÷¸¦ °í·ÁÇÑ CN°ª »êÁ¤
( SCS Curve Number and temporal Variation of Rainfall )
Á¶È«Á¦;ÀÌÅ¿µ; ¿ï»ê´ëÇб³ °Ç¼³È¯°æ°øÇкÎ;¿ï»ê´ëÇб³ °Ç¼³È¯°æ°øÇкÎ;
 
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°­¿ìÀÇ Áö¼Ó½Ã°£À» ó¸®ÇÏ´Â ¹æ¹ý¿¡ µû¶ó AMCÁ¶°Ç°ú °­¿ìÀÇ ½Ã°£ºÐÆ÷ÀÎ(1Â÷, 2Â÷, 3Â÷, 4Â÷ ¸ð¸àÆ®)°¡ À¯Ãâ¿¡ ¹ÌÄ¡´Â ¿¬°ü¼ºÀ» ¿¬±¸ÇÏ¿´´Ù. ¿¬±¸°á°ú °­¿ì¸¦ 10ºÐÀ§·Î °í·ÁÇÏ´Â °æ¿ì, CNÀº AMCIIIÁ¶°Ç¿¡¼­ 1Â÷ ¹× 2Â÷ ¸ð¸àÆ®¿Í »ó°ü¼ºÀ» º¸¿´À¸³ª ±× ¿ÜÀÇ Á¶°Ç¿¡¼­´Â »ó°ü¼ºÀÌ ¾ø¾ú´Ù. ¶ÇÇÑ Ã·µÎÀ¯Ãâºñ(QP/Q)´Â AMC IÁ¶°Ç¿¡¼­ 3Â÷ ¹× 4Â÷ ¸ð¸àÆ®¿Í »ó°ü¼ºÀ» º¸¿´À¸¸ç, AMCIIIÁ¶°Ç¿¡¼­´Â 1Â÷ ¹× 2Â÷ ¸ð¸àÆ®¿Í »ó°ü¼ºÀ» º¸¿´´Ù. °­¿ìÀÇ Àüü Áö¼Ó½Ã°£À» °í·ÁÇÏ´Â °æ¿ì, CNÀº AMC IÁ¶°Ç¿¡¼­ ¸ðµç ½Ã°£ºÐÆ÷ÀÎÀÚ¿Í »ó°ü¼ºÀ» º¸¿´À¸³ª AMCIIIÁ¶°Ç¿¡¼­´Â 1Â÷ ¹× 2Â÷ ½Ã°£ºÐÆ÷ÀÎÀÚ¿Í »ó°ü¼ºÀ» º¸¿´´Ù. ±×¸®°í ÷µÎÀ¯Ãâºñ(QP/Q)´Â AMC IÁ¶°Ç¿¡¼­ 3Â÷ ¹× 4Â÷ ½Ã°£ºÐÆ÷ÀÎÀÚ¿Í »ó°ü¼ºÀ» º¸¿´À¸³ª ±× ¿ÜÀÇ Á¶°Ç¿¡¼­´Â °ÅÀÇ »ó°ü¼ºÀ» º¸ÀÌÁö ¾Ê¾Ò´Ù. µû¶ó¼­ º¸´Ù Á¤È®ÇÑ CN »êÁ¤À» À§ÇØ °­¿ìÀÇ ½Ã°£ºÐÆ÷¿Í Á¦½ÃµÈ ½Ã°£ºÐÆ÷ÀÎÀÚ¸¦ °í·ÁÇÒ °ÍÀ» Á¦¾ÈÇÏ¿´´Ù.
A relation between the temporal variation of rainfall and direct runoff was characterized using temporal indexes of rainfall(1st, 2nd, 3rd, and 4th moment). Curve Number has a relation with 1st and 2nd moment for AMCIII condition when the rainfall duration is relative (10th quantile). Also peak runoff ratio(QP/Q) has a relation with 1st and End moment for AMCIII condition as well as 3rd and 4th moment for AMC I condition. Considering all durations of rainfall, alternatively, Curve Number has a relation with 1st and 2nd moment for AMCIIIcondition besides every moments for AMC I condition. But peak runoff ratio(QP/Q) has few relations excepting 3rd and 4th moment for AMC I condition. As a results, temporal indexes of rainfall are useful to determine curve numbers regarding the temporal variation of rainfall.
 
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SCS CN¹ý;½Ã°£ºÐÆ÷ÀÎÀÚ;temporal indexes of rainfall;curve number;peak runoff ratio;CN;QP/Q;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.2, 2003³â, pp.183-193
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921617948)
¾ð¾î : Çѱ¹¾î
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