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Çѱ¹¼öÀÚ¿øÇÐȸ / v.32, no.3, 1999³â, pp.291-300
ÇÁ·¢Å» Â÷¿øÀ» ÀÌ¿ëÇÑ ½º³ªÀÌ´õ ÇÕ¼º´ÜÀ§À¯·®µµ °ü°è½Ä À¯µµ
( Derivation of Snyder's Synthetic Unit Hydrograph Using Fractal Dimension )
°í¿µÂù; ÃÊ´ç´ëÇб³ Åä¸ñ°øÇаú;
 
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ÇÏõġ¼ö¸¦ °í·ÁÇÑ ÇÁ·¢Å» Â÷¿øÀÇ °³³äÀ» ½ÇÁ¦ °­¿ì-À¯Ãâ ¸ðÇü¿¡ Àû¿ë½ÃŰ´Â ¹æ¾ÈÀ¸·Î½á ½º³ªÀÌ´õ ÇÕ¼º´ÜÀ§À¯·® µµ¹ýÀ» ÅÃÇÏ¿´À¸¸ç, 5´ë°­ ¼ö°èÀÇ 29°³ À¯¿ª¿¡ ´ëÇÑ ÁöÇüÀÚ·á¿Í °üÃø´ÜÀ§À¯·®µµ ÀڷḦ ÀÌ¿ëÇÏ¿© 4°¡Áö ÇüÅÂÀÇ ½º³ªÀÌ´õÇü °ü°è½ÄÀ» À¯µµÇÏ¿´´Ù. 29°³ À¯¿ª¿¡ ´ëÇÑ ºÐ¼®°ú 2°³ À¯¿ª¿¡ ´ëÇÑ °ËÁõ °á°ú ÇÏõ±æÀÌÀÇ ÇÁ·¢Å»ÀûÀÎ ¼ºÁúÀ» ÀÌ¿ëÇÏ°í ±â°è»êµÈ ÀÚ·á´Â ±â°è»êµÈ °ªÀ» ÀÌ¿ëÇÏ´Â ½º³ªÀÌ´õÇü °ü°è½ÄÀÌ °¡Àå ÁÁÀº °á°ú¸¦ º¸¿©ÁÖ¾ú´Ù. ÇÏõÂ÷¼ö À¯¿ªÁ߽ɿ¡¼­ Ãⱸ±îÁöÀÇ ÇÏõ±æÀÌ( Lca )Áß Lca ´Â ÇÁ·¢Å»ÀûÀÎ ¼ºÁúÀÌ ¾ø°í À¯¿ªÁß½ÉÀÇ »ó·ù¿¡ ÇØ´çÇÏ´Â ÁÖÇÏõ ±¸°£ÀÎ ( Lma - Lca )¸¸ÀÌ 1.027ÀÇ ÇÁ·¢Å» Â÷¿øÀ» °®´Â´Ù´Â °¡Á¤À» ÇÏ¿´À¸¸ç, À̸¦ ÀÌ¿ëÇÏ¿© ¿ì¸®³¯ ¼ö°è¸¦ ´ëÇ¥ ÇÒ ¼ö ÀÖÀ¸¸ç ÀÛ¾÷´ë»ó ÁöÇüµµÃàô¿¡ ÀÇÇØ ¹ß»ýÇÏ´Â ÇÏõ±æÀÌÀÇ ÇÁ·¢Å»ÀûÀÎ ¿µÇâÀ» °í·ÁÇÒ ¼ö ÀÖ´Â »õ·Î¿î ½º³ªÀÌ´õÇü °ø½ÄÀ» Á¦¾ÈÇÏ¿´´Ù.
The Snyder's synthetic unit hydrograph method is selected to apply the concept of the fractal dimension by stream order for the practicable rainfall-runoff generation, and fourth types of the Snyder's relation are derived from topographic and observed unit hydrograph data of twenty-nine basins. As a result of the analysis of twenty-nine basins and the verification of two basins, the Snyder's relation which considers the fractal dimension of the stream length and uses calculated unit hydrograph data shows the best result. The concept of the fractal dimension by stream order is applied to the Snyder's synthetic unit hydrograph method. The topographic factors, used in the Snyder's synthetic unit hydrograph method, which have a property of the stream length like $L_{ma}$ (mainstream length) and $L_{ca}$ (length along the mainstream to a point nearest the watershed centroid) were considered. In order to simplify the fractal property of stream length, it is supposed that $L_{ma}$ has not the fractal dimension and the stream length between $L_{ma}$ and ($L_{ma};-;L_{ca}$) has the fractal dimension of 1.027. From the utilization of this supposition, a new Snyder's relation which consider the fractal dimension of the stream length occurred by the map scale used was finally suggested.
 
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ÇÁ·¢Å» Â÷¿ø;ÇÏõÂ÷¼ö;½º³ªÀÌ´õ ÇÕ¼º´ÜÀ§À¯·®µµ;ÁöÇüµµÃàô;fractal dimension;strension;stream order;Snyder's synthetic unit hydrograph;map scale;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.32, no.3, 1999³â, pp.291-300
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911920063147)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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