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Çѱ¹¼öÀÚ¿øÇÐȸ / v.28, no.5, 1995³â, pp.117-127
±Ô¸ð¹®Á¦¸¦ °í·ÁÇÑ ¼ö¹®ÀÀ´äÀÇ ÇØ¼®: 2. Àû¿ë ¹× ºÐ¼®
( Hydrologic Response Analysis Considering the Scale Problem: Part 2. Application and Analysis )
¼º±â¿ø;¼±¿ìÁßÈ£; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ¼öÀÚ¿ø¿¬±¸½Ç;¼­¿ï´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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ÇØ»óµµ¸¦ °í·ÁÇÏ´Â GIUH ¸ðÇü¿¡ ´ëÇÑ Àû¿ë°ú ºÐ¼®À» Æòâ°­ À¯¿ªÀÇ ¼ÒÀ¯¿ªÀÎ À̸ñÁ¤À¯¿ª¿¡ ´ëÇÏ¿© ¼öÇàÇÏ¿´´Ù. ¸ðÇüÀÇ Àû¿ë°ú Fractal ºÐ¼®À» À§ÇØ 1:25,000, 1:50,000 ±×¸®°í 1:100,000 ÃàôÀÇ Áöµµ¸¦ ÀÌ¿ëÇÏ¿´´Ù. µû¶ó¼­ Ãàô°£ÀÇ ºñÀ²ÀÌ ÀÏÁ¤ÇÑ °ªÀ» °®´Â´Ù. ¸µÅ©ÀÇ ±æÀÌ´Â ÇØ»óµµ 1mmÀÇ ±¸Àå±â¸¦ ÀÌ¿ëÇÏ¿´°í Fractal Â÷¿øÀº Richardson ¹æ¹ýÀ» »ç¿ëÇÏ¿´´Ù. ÁöµµÀÇ Ãàô¿¡ µû¶ó ¸Å°³º¯¼öµéÀÇ ÇöÀúÇÑ º¯È­¸¦ ¹ß°ßÇÏ¿´À¸¸ç ÀÌ·¯ÇÑ °æÇâÀº ¸Å°³º¯¼öÀÇ ¹°¸®Àû Àǹ̸¦ »ó½ÇÇÏ°Ô ÇÑ´Ù. ±×·±µ¥ Fractal º¯È¯°ú ÀÇ MeltonÁöÇü¹ýÄ¢Àº ÀÌ·¯ÇÑ ±Ô¸ð¹®Á¦¸¦ È¿°úÀûÀ¸·Î Á¶Á¤ÇØÁÖ´Â ¿ªÇÒÀ» ÇÒ ¼ö ÀÖ´Ù. ±×¸®°í ÀÌ ¹æ¹ýÀº Çϵµ¸Á°ú À¯¿ª°£ÀÇ ¿¬°ü¼ºÀ» ¸ðÇü¿¡ ¹Ý¿µÇÒ ¼ö ÀÖ´Â ÀåÁ¡ÀÌ ÀÖ´Ù. ÀÌ ¿¬±¸¿¡¼­ Á¦¾ÈÇÑ GIUHÀÇ Àû¿ë¼ºÀ» °ËÁõÇϱâ À§ÇØ Áö¼öÇü GIUH ¸ðÇü°ú ºñ±³ÇÏ¿´´Ù. ±× °á°ú Á¦¾ÈµÈ 2¸ð¼ö gamma GIUH ¸ðÇüÀÌ ÁÁÀº ÀçÇö¼ºÀ» º¸¿´´Ù. µû¶ó¼­ Fractal ÀÌ·ÐÀ» µµÀÔÇÑ 2¸ð¼ö gamma GIUH ¸ðÇüÀº ÃàôÀ» °í·ÁÇÏ´Â IUH¸¦ À¯µµÇϴµ¥ À־ ÀûÀýÇÏ´Ù°í ÇÒ ¼ö ÀÖ´Ù.
The application and analysis for the scale considering GIUH model proposed by the authors in this issue have been performed for the leemokjung sub-basin in the Pyungchang basin one of IHP representative basin in Korea. Scales of topographic maps for model application and fractal analysis are 1:25,000, 1:50,000 and 1:100,000. The ratio between successive scales is therefore constant. Link lengths were measured using a curvimeter with the resolution of 1 mm. Richardson's method was employed to have fractal dimension of streams. Apparent alternations of parameters were found in accordance with variations of map scale. And this tendency could mislead physical meanings of parameters because model parameters had to preserve their own value in spite of map scale change. It was found that uses of fractal transform and Melton's law could help to control the scale problem effectively. This methodlogy also could emphasize the relationship between network and basin to the model. To verify the applicability of GIUH proposed in this research, the model was compared with the exponential GIUH model. It is proven that proposed 2-parameter gamma GIUH model can better simulate the corresponding runoff from any given flood events than exponential GIUH model. The result showed that 2-parameter gamma GIUH model and fractal theory could be used for deriving scale considered IUH of the basin.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.28, no.5, 1995³â, pp.117-127
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511920096211)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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