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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.1, 2003³â, pp.87-104
¼ÒÀ¯¿ª ¹× ´ëÀ¯¿ª È«¼öÀ¯Ãâ¸ðÇüÀÇ Àû¿ë
( Application of Surface Runoff-River flow Model to Small- and Large-Size Catchment Areas )
À¯µ¿ÈÆ; ¾ÆÁÖ´ëÇб³ Åä¸ñ¼³°è°øÇаú;
 
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ÁöÇ¥¸é À¯Ãâ°ú ÇÏõ À¯Ãâ ÅëÀ¸·Î ±¸¼ºµÈ µ¿ÀÏÇÑ È«¼öÀ¯Ãâ¸ðÇü SIRG-RS¸¦ ¼ÒÀ¯¿ª°ú ´ëÀ¯¿ª¿¡ Àû¿ëÇÏ¿´´Ù. ÁöÇ¥¸é À¯Ãâ·ÎºÎÅÍÀÇ À¯ÀÔ ¹æ¹ý, ÇÏõ Á¢Çպο¡¼­ÀÇ °è»ê¹æ¹ý, ±Þ°æ»ç »êÁöÇÏõ¿¡¼­ÀÇ ¿¡³ÊÁö¼Õ½Ç °è»ê µî¿¡¼­ °³¼±Ã¥À» °­±¸ÇÏ¿´´Ù. ¸¶Âû·Â »êÁ¤À» À§ÇÏ¿© ·¹À̳îÁî¼ö¿Í Á¶°íºñÀÇ ÇÔ¼öÀÎ Áö¼öÇü ¸¶Âû°è¼ö »êÁ¤½ÄÀ» µµÀÔÇÏ¿´´Ù. ¶ÇÇÑ Áö¼öÇü ¸¶Âû°è¼ö »êÁ¤½ÄÀº ½ÇÇèÀÚ·á»Ó ¾Æ´Ï¶ó ÃÖ±Ù ÀÔ¼öÇÑ ÇöÀå °üÃøÀڷḦ »ç¿ëÇÏ¿© °³¼±ÇÏ¿´´Ù. °³¼±µÈ ¸ðÇüÀº ´ë±Ô¸ðÀÇ À¯¿ª°ú ¾ÆÁÖ ÀÛÀº Å©±âÀÇ ¼ÒÀ¯¿ª¿¡µµ Àû¿ëÇÏ¿´´Âµ¥, µÎ °¡Áö °æ¿ì ¸ðµÎ °üÃøÀÚ·á¿Í ºñ±³ÇÏ¿© ¾çÈ£ÇÑ °è»ê °á°ú¸¦ ¾ò¾ú´Ù.
A numerical model of surface runoff and river flow has been applied to small- and large-size catchment areas in order to investigate the physical characteristics of river flow during flood period. Several refinements are made on the existing model SIRG-RS for the ways of rainfall input through surface runoff, river junction treatment and the computation of river flow on steep slope. For the computation of frictional forces, employed is the power law of friction factor which is a function of Reynolds number and relative roughness height. The empirical equation of friction factor is developed using recent field data as well as laboratory data. The refined model has been applied to small-size catchment area as well as large-size catchment area, and the computation results are found in good agreement with the observations in both cases.
 
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¼öÄ¡¸ðÇü;À¯¿ª¸éÀû;ÁöÇ¥¸é À¯Ãâ;ÇÏõ À¯Ãâ;ÇÏõ Á¢ÇÕºÎ;±Þ°æ»ç »êÁöÇÏõ;Áö¼öÇü ¸¶Âû°è¼ö »êÁ¤½Ä;numerical model;catchment area;surface runoff;river flow;river junction;steep slope mountain channel;power law of friction factor;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.1, 2003³â, pp.87-104
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921555671)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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