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Çѱ¹¼öÀÚ¿øÇÐȸ / v.42, no.11, 2009³â, pp.897-909
¹è¼ö°æ·Î ÀÌÁú¼º¿¡ ÀÇÇÑ ¼ø°£´ÜÀ§µµ Çü»óÀÇ »ó´ëÀû ±â¿©µµ Æò°¡
( The assessment of the relative contribution of the shape of instantaneous unit hydrograph with heterogeneity of drainage path )
ÃÖ¿ëÁØ;±èÁÖö;±èÀçÇÑ; 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 Áö¸®Á¤º¸Ã¼°è(GIS)ÀÇ °ÝÀÚ ±â¹Ý GIUH ¸ðÇüÀ» ÀÌ¿ëÇÏ¿© ¹è¼ö°æ·ÎÀÇ ÀÌÁú¼º¿¡ µû¸¥ ÁöÇ¥¸é À¯µ¿°ú ÇÏõ¸Á À¯µ¿ÀÇ »ó´ëÀû ±â¿©µµ¸¦ Á¤·®ÀûÀ¸·Î Æò°¡ÇÏ¿´´Ù. ´ë»óÀ¯¿ªÀº ±¹Á¦¼ö¹®°³¹ß°èȹ(IHP)ÀÇ Æòâ°­, º¸Ã»Ãµ ¹× À§Ãµ À¯¿ªÀÇ 17°³ ¼ÒÀ¯¿ªÀ» ¼±Á¤ÇÏ¿´´Ù. °¢ ´ë»óÀ¯¿ª¿¡ ´ëÇØ ÁöÇ¥¸é°ú ÇÏõÀÇ ¹è¼ö°æ·Î±æÀÌ¿¡ ´ëÇÑ Æò±Õ°ú ºÐ»êÀ» ÃßÁ¤-ºÐ¼®ÇÏ¿´´Ù. ¶ÇÇÑ °üÃø ¼ö¹®»ç»ó°ú °áÇÕÇÏ¿© GIUH ¸ðÇüÀÇ µ¿Àû¸Å°³º¯¼öÀΠƯ¼º À¯¼ÓÀ» ÁöÇ¥¸é°ú ÇÏõ¿¡ ´ëÇØ »êÁ¤ÇÏ¿´´Ù. »êÁ¤µÈ °æ·Î±æÀÌ¿Í Æ¯¼ºÀ¯¼ÓÀ» ÅëÇØ À¯ÇϽð£ÀÇ ºÐÆ÷, Áï ¼ø°£´ÜÀ§µµÀÇ Æò±Õ ¹× ºÐ»êÀ» ÃßÁ¤ÇÏ¿© ¹è¼ö°æ·ÎÀÇ ÀÌÁú¼º¿¡ µû¸¥ °¢°¢ÀÇ ±â¿©µµ¸¦ Æò°¡ ÇÏ¿´´Ù. ¿¬±¸ °á°ú ¼ø°£´ÜÀ§µµÀÇ Çü»óÀ» °áÁ¤ÇÏ´Â ºÐ»êÀÇ ¿µÇâÀº Áß¼Ò±Ô¸ð À¯¿ª(500 $km^2$À̳»)¿¡¼­ ÁöÇ¥¸éÀÇ ¿µÇâÀÌ Áö¹èÀûÀ̾ú´Ù. µû¶ó¼­ ¼Ò±Ô¸ð À¯¿ª¿¡¼­ GIUH Àû¿ë ½Ã ÁöÇ¥¸éÀÇ À¯µ¿À» Áß¿äÇÏ°Ô °í·ÁÇØ¾ß ÇÒ °ÍÀÌ´Ù.
The relative contribution of between hillslope-flow and stream-flow by heterogeneity of drainage path are quantitatively assessed in the present study with GIUH model based on grid of GIS. Application watersheds are selected Pyeongchang, Bocheong and Wi river basin of IHP in Korea. The mean and variance of hillslope and stream length are estimated and analyzed in each watershed. And coupling with observation storm events, estimate hillslope and stream characteristic velocity which dynamic parameters of GIUH model. The mean and variance of distribution of travel time (i.e. IUH) calculate using estimated pass lengths and characteristic velocities. And the relative contributions are assessed by heterogeneity of drainage path. As a result, the effect of the variance that determine shape of IUH dominate with hillslope's effect in the small watershed area (within 500 $km^2$). Thus, GIUH in the small watershed area must consider hillslope-flow.
 
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ÁöÇüÇÐÀû ¼ø°£´ÜÀ§µµ;ÁöÇ¥¸éÀ¯µ¿;ºÐ»ê;Àû·ü;Ư¼º¼Óµµ;GIUH;hillslope-flow;variance;moment;characteristic velocity;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.42, no.11, 2009³â, pp.897-909
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200903538424229)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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ȸ»ç¼Ò°³ ±¤°í¾È³» ÀÌ¿ë¾à°ü °³ÀÎÁ¤º¸Ãë±Þ¹æÄ§ Ã¥ÀÓÀÇ ÇѰè¿Í ¹ýÀû°íÁö À̸ÞÀÏÁÖ¼Ò ¹«´Ü¼öÁý °ÅºÎ °í°´¼¾ÅÍ
   

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