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Çѱ¹¼öÀÚ¿øÇÐȸ / v.30, no.4, 1997³â, pp.379-387
³íÀÇ À¯Ãâ°î¼±¹øÈ£ ÃßÁ¤
( Estimating Runoff Curve Numbers for Paddy Fields )
ÀÓ»óÁØ;¹Ú½Â¿ì; ¼­¿ï´ëÇб³ ´ëÇпø ³ó°ú´ëÇÐ ¹Ú»ç °úÁ¤;¼­¿ï´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ ³ó°øÇаú;
 
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³í¿¡¼­ÀÇ ¼ö¹® Ư¼ºÀ» ÇöÀå Á¶»ç ¹× ÃøÁ¤Çϰí, °­¿ì-À¯Ãâ ÀÚ·á·ÎºÎÅÍ ³íÀÇ ÃÖ´ë ÀáÀçÀú·ùÀåÀÇ È®·üÀû Ư¼ºÀ» ºÐ¼®ÇÏ¿©, ¼±Çà°­¿ìÁ¶°Ç¿¡ µû¸¥ CNÀ» ÃßÁ¤ÇÏ¿´´Ù. ÃßÁ¤µÈ CNÀº AMC IIÀÇ °æ¿ì 78À̾úÀ¸¸ç, AMC-I, IIIÀÇ °æ¿ì¿¡´Â °¢°¢ 63, 88À̾ú´Ù. ³íÀÇ °­¿ì-À¯ÃâÀÚ·á¿¡ ÀÇÇÑ CNÀº ³â È«¼ö·® ÀÚ·áÀÇ Àû¿ë¿©ºÎ°¡ ºÒÈ®½ÇÇϹǷΠÀ̸¦ º¸¿ÏÇϰí, ¹°°í³ôÀ̳ª Ãʱâ´ã¼ö½ÉÀÇ ¿µÇâÀ» ±¸Ã¼ÀûÀ¸·Î ±Ô¸íÇϱâ À§ÇÏ¿© ³íÀÇ ¹°¼öÁö ¸ðÇüÀ» ±¸¼ºÇÏ¿´´Ù. ³íÀÇ À¯Ãâ·®Àº ¼±Çà °­¿ì»Ó ¾Æ´Ï¶ó Ãʱâ´ã¼ö½É¿¡ µû¶ó º¯È­ÇϹǷΠÃÖ´ë ÀáÀçÀú·ù·®À» ÀÌ¿ëÇÏ¿© CNÀ» °áÁ¤Çϱ⿡´Â ¾î·Á¿òÀÌ µû¸¥´Ù. µû¶ó¼­, ÃÖ´ë ÀáÀçÀú·ù·®ÀÇ °æ¿ì¿Í °°ÀÌ ´ã¼ö½ÉÀÇ È®·êºÐÆ÷ÇÔ¼ö¸¦ ÀÌ¿ëÇÏ¿© CNÀ» ÃßÁ¤ÇÏ¿´´Ù. ¹°¼öÁö¸ðÇüÀ» ÀÌ¿ëÇÏ¿© È®·ü´ã¼ö½É, ¹°°í³ôÀÌ ¹× ±â»óÀÚ·á·ÎºÎÅÍ ³íÀÇ À¯Ãâ·®À» ÃßÁ¤ÇÏ¿´´Ù. ÃßÁ¤µÈ À¯Ãâ·®À¸·ÎºÎÅÍ CNÀ» °è»êÇϰí, È®·ü ´ã¼ö½É¿¡ ÇØ´çÇÏ´Â CN-I, CN-II, CN-IIIÀ» °áÁ¤ÇÏ¿´À¸¸ç, ±× °ªÀº °¢°¢ 70, 79, 89À̾ú´Ù.
This study involves field monitoring of hydrlolgic characteristics of paddy fields under common irrigation practice, statistical analysis of maximum retention storage, determination of CNs for antecedent moisture conditions. Curve numbers were estimated from observed rainfall-runoff relationship of two years data. The estimated CN for AMC-II was 78, and the CNs for AMC-I and II were 63 and 88, respectively. A water balance model was used to find the effect of ridge height changes and initial ponding depth in paddy fields on runoff. The probability distribution of initial ponding depth was also investigated. The initial ponding depth follows normal probability distribution. Initial ponding depth corresponding 10%, 50%, and 90% probability were considered to be equivalent to AMC-I, AMC-II, and AMC-III, respectively. Long-term runoff data from paddy fields were simulated by a water balance model using recorded climate data, ridge height and estimated initial ponding depth derived from probability distribution. The estimated CNs using simulated runoff were 70, 79, and 89 for CN-I, CN-II, and CN-III, respectively.
 
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.30, no.4, 1997³â, pp.379-387
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920100343)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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