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Çѱ¹¼öÀÚ¿øÇÐȸ / v.43, no.1, 2010³â, pp.1-13
¹è¼ö°æ·ÎÀÇ ÀÌÁú¼ºÀ» ±â¹ÝÀ¸·Î ÇÑ Nash ¸ðÇüÀÇ ¸Å°³º¯¼ö µ¿Á¤
( Identification of Nash Model Parameters Based on Heterogeneity of Drainage Paths )
ÃÖ¿ëÁØ;±èÁÖö;Á¤°ü¼ö; Ãæ³²´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¿ø;Ãæ³²´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ¹è¼ö°æ·Î ÀÌÁú¼º¿¡ ÀÇÇÑ °ÝÀÚ ±â¹Ý ÁöÇüÇÐÀû ¼ø°£´ÜÀ§µµ ÀÌ·ÐÀ¸·Î ºÎÅÍ Nash ¸ðÇü ¸Å°³º¯¼ö¸¦ ÃÖÃÊ·Î µ¿Á¤ÇÏ¿´´Ù. µ¿Á¤µÈ ¸Å°³º¯¼ö´Â ÁöÇ¥¸é À¯µ¿ ¹× ÁöÇüÇÐÀû ºÐ»êÀ» °í·ÁÇϸç, Áö¸®Á¤º¸Ã¼°è¿¡ ÀÇÇØ À¯¿ªÀÇ ÁöÇüÀÎÀÚµéÀ» ¼Õ½±°Ô ÃßÃâÇÔÀ¸·Î½á ¸ðÇüÀÇ Á¤È®¼º ¹× È¿¿ë¼ºÀ» ³ô¿´´Ù´Â Á¡¿¡ Àǹ̸¦ µÑ ¼ö ÀÖ´Ù. ¸ðÇüÀÇ °ËÁõÀ» À§ÇØ µ¿Á¤µÈ ¸Å°³º¯¼ö¿¡ ÀÇÇØ °è»êµÈ °á°ú¸¦ ½ÇÁ¦ °üÃøÄ¡¿Í ºñ±³ÇÏ¿´´Ù. °è»êÀ¯Ãâ¼ö¹®°î¼±°ú °üÃø¼ö¹®°î¼±ÀÇ ºñ±³ °á°ú ºñ±³Àû Àß ÀÏÄ¡ÇÏ´Â °æÇâÀ» º¸¿´´Ù. ¶ÇÇÑ ÁöÇ¥¸é°ú ÇÏõÀÇ Æ¯¼ºÀ¯¼Ó¿¡ µû¸¥ Áöü½Ã°£ ¹× ºÐ»êÀÇ º¯È­¾ç»óÀ» »ìÆìº» °á°ú, ÁöÇ¥¸é Ư¼ºÀ¯¼Ó¿¡ ¸Å¿ì ¹Î°¨ÇÏ°Ô ¹ÝÀÀÇÔÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. µû¶ó¼­ º» ¸ðÇüÀÇ Àû¿ë½Ã ÁöÇ¥¸é Ư¼ºÀ¯¼Ó »êÁ¤¿¡ ¼¼½ÉÇÑ ÁÖÀǰ¡ ÇÊ¿äÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
For the first time, this study identifies Nash model parameters by GIUH theory based on grid of GIS with heterogeneity of drainage path. Identified parameters have advantages to improve accuracy and usefulness with considering hillslpoe-flow, geomorphological dispersion and easily extracting geomorphological factors by GIS in the watershed. Calculated results by identified parameters compare with observation data for verification of this model. The comparison is well correspondence between observed data and calculated results. And the comparison results of changing trends about lag time and the variance as hillslope and channel characteristic velocities sensitively present changes about hillslope characteristic velocity. Thus this model justifies that estimation of hillslope characteristic velocity demands with the great caution.
 
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ÁöÇüÇÐÀû ¼ø°£´ÜÀ§µµ;Nash ¸ðÇü;Ư¼ºÀ¯¼Ó;GIUH;Nash model;characteristic velocity;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.43, no.1, 2010³â, pp.1-13
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201005364710385)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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