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Çѱ¹¼öÀÚ¿øÇÐȸ / v.41, no.8, 2008³â, pp.797-806
Fractal ³ª¹«¸¦ ±â¹ÝÀ¸·Î ÇÑ ¹è¼ö±¸Á¶ÀÇ ±âÇÏÇÐÀû Ư¼º
( The Geometric Properties of the Drainage Structures based on Fractal Tree )
±èÁÖö;±èÀçÇÑ; Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¿ø;Ãæ³²´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ƯÁ¤ ÇØ»óµµ»ó¿¡¼­ Á¤ÀǵǴ À¯¿ªÀÇ ¸ðµç ¹è¼ö°æ·Îµé·Î ±¸¼ºµÇ´Â ¹è¼ö¸ÁÀ» µµ½ÃÇÏ¿© ÀÚ¿¬À¯¿ªÀÇ ¹è¼ö±¸Á¶¿¡ ´ëÇÑ ±âÇÏÇÐÀû Ư¼ºÀ» ºÐ¼®ÇÏ¿© º¸¾Ò´Ù. À̸¦ À§ÇÏ¿© Fractal ³ª¹«¿Í HortonÀÇ ¹ýÄ¢À» ±â¹ÝÀ¸·Î ºÐ±â¿¡ ÀÇÇÏ¿© Á¶Á÷µÇ´Â ¸Á»ó±¸Á¶¿¡ ´ëÇÏ¿© ÀÌ·ÐÀû °íÂûÀ» ¼öÇàÇÏ¿´´Ù. ¹è¼ö¸ÁÀÇ ÀÛµµ¿¡´Â ArcGIS¸¦ Àû¿ëÇÏ¿´°í ÀÛµµµÈ ¹è¼ö¸Á¿¡ ´ëÇÏ¿© StrahlerÀÇ Â÷¼ö±â¹ý¿¡ µû¶ó À§»ó±¸Á¶¸¦ ¼ö¸³ÇÏ¿© Â÷¼öº° ¹è¼ö±¸Á¶ÀÇ ±âÇÏÇÐÀû Ư¼ºÀ» ºÐ¼®ÇϰíÀÚ ½ÃµµÇÏ¿© º¸¾Ò´Ù. RichardsonÀÇ ¹æ¹ý¿¡ µû¶ó ¹è¼ö±¸Á¶ÀÇ Fractal Ư¼ºÀ» ºÐ¼®ÇØ º» °á°ú ÁöÇ¥¸éÀ¯µ¿°ú ÇÏõÀ¯µ¿ »çÀÌ¿¡´Â °³º°ÀûÀÎ °Åµ¿Æ¯¼ºÀÌ Á¸ÀçÇÒ ¼ö ÀÖÀ½À» º¼ ¼ö ÀÖ¾ú°í ÀÚ¿¬À¯¿ªÀÇ ÇÏõ¸ÁÀº °ø°£À» ä¿ö°¡´Â Fractal µµÇüÀÓÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. º» ¿¬±¸ÀÇ °á°ú·ÎºÎÅÍ ÁöÇ¥¸éÀ¯µ¿À» Æ÷ÇÔÇÑ ¸Á»ó±¸Á¶¿¡ ´ëÇÑ Fractal ÀÌ·ÐÀ» ½ÇÁ¦À¯¿ª¿¡ Àû¿ëÇÏ¿´À» °æ¿ì Áö±Ý±îÁöÀÇ °æÇè½Ä¿¡ ÀÇÇÑ Â÷¼ö¹ýÄ¢°ú »óÀÌÇÑ °á°ú¸¦ ³ªÅ¸³¿À» ¾Ë ¼ö ÀÖ¾ú´Ù. ÀÌÀÇ °á°úµéÀº ÃßÈÄ ¸Á»ó±¸Á¶ÀÇ °áÁ¤¿¡ Å©°Ô ±â¿©µÉ ¼ö ÀÖÀ¸¸®¶ó ÆÇ´ÜµÈ´Ù.
The geometric properties of the drainage structures are analyzed through depicting the drainage network which is composed of the whole drainage paths in the natural basin defined at the specific scale. The theoretical consideration is performed on the general structures of networks organized by ramification process based on Fractal tree and Horton's law. The drainage network is generated via ArcGIS, ordered by Strahler's ordering scheme and investigated with Strahler's order. As a results of the Richardson's method it is shown that there may exist the distinct behavioral characteristics between overland-flow and channel flow and the natural stream networks would be space-filling Fractals. As a result, it is shown that the values estimated by considering the overland-flow on being applied to the field data give the different results from the empirical method applied until now. As expected, therefore the results obtained from this study are sure to be devoted further researches on the channel networks.
 
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¹è¼ö±¸Á¶;Fractal ³ª¹«;StrahlerÀÇ Â÷¼ö±â¹ý;HortonÀÇ ¹ýÄ¢;drainage structure;Fractal tree;Strahler's ordering scheme;Horton's law;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.41, no.8, 2008³â, pp.797-806
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200825457811879)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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