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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.5, 2003³â, pp.823-838
ÃæÀûÇÏõÀÇ ÇϵµÇü¼ºÀ¯·® »êÁ¤°ú ¼ö¸®±âÇÏÆ¯¼º¿¡ °üÇÑ ¿¬±¸
( A Study on the Channel forming Discharge Estimation and the Hydraulic Geometry Characteristics of the Alluvial Stream )
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¸¹Àº °­°ú ÇÏõ¿¡¼­ ÇϳªÀÇ ´ëÇ¥ÀûÀÎ À¯·®ÀÌ ¾ÈÁ¤Çϵµ ÇüŸ¦ °áÁ¤Çϴµ¥ »ç¿ëµÇ¾î Áú ¼ö ÀÖ´Ù. ÀÌ·¯ÇÑ ´ëÇ¥ÀûÀÎ ÇϵµÇü¼ºÀ¯·®Àº ¿©·¯ ¿¬±¸ÀÚµéÀÇ Á¢±Ù ¹æ½ÄÀÇ Â÷ÀÌ¿¡ µû¶ó °­ÅÎÀ¯·®, ƯÁ¤ ÀçÇö±â°£À¯·®, À¯È¿À¯·® µîÀ¸·Î Ç¥½ÃµÈ´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â ´ë»óÀ¯¿ªÀÇ Æ¯¼ºÀÎÀÚ¿Í °üÃøÀڷḦ ÀÌ¿ëÇÏ¿© ÇϵµÇü¼ºÀ¯·®À» »êÁ¤Çϰí, °­ÅÎÀ¯·®°ú ¼ö¸®±âÇÏ Æ¯¼º°£ÀÇ »ó°ü°ü°è¸¦ ºÐ¼®ÇÏ¿´´Ù. ¹®¸·°ú ¼­¸é ¼öÀ§°üÃø¼Ò¿¡¼­ ÇϵµÇü¼ºÀ¯·®À¸·Î °áÁ¤µÈ °­ÅÎÀ¯·®ÀÇ ÀçÇö±â°£Àº À¯Ãâ·® ÀڷḦ ºóµµºÐ¼®ÇÑ °á°ú, ¹®¸·Àº 1.8³â, ¼­¸éÀº 1.5³âÀ¸·Î »êÁ¤µÇ¾úÀ¸¸ç, À¯È¿À¯·®Àº °­ÅÎÀ¯·®¿¡ ºñÇØ 10¹è ÀÌ»ó ÀÛ°Ô »êÁ¤µÇ¾ú´Ù. °­ÅÎÀ¯·®°ú ¼ö¸®±âÇÏÆ¯¼º°úÀÇ »ó°ü°ü°è¸¦ ºÐ¼®ÇÑ °á°ú, À¯¿ª¸éÀû°ú °­ÅÎÀ¯·®Àº ¾î´À Á¤µµ »ó°ü¼ºÀÌ ÀÖÀ¸³ª °­ÅÎÀ¯·®°ú ¼ö¸®±âÇϰ£ÀÇ »ó°ü¼ºÀº ³·Àº °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù.
For many rivers and streams, it has been observed that a single representative discharge may be used to determine the hydraulic geometry of a stable channel. This representative channel forming discharge has been given several names by different researchers, including bankfull, specified recurrence interval, and effective discharge. Therefore, The purpose of this study is to estimate channel forming discharge for study areas using the hydrological characteristic parameters and recording data, and to determine the hydraulic geometry relationships for the relating bankfull dimensions to bankfull discharge. In the Munmak and Seomyun gauging stations, the estimated bankfull discharges are found to have a return period of 1.8 and 1.5 years on the maximum annual series, respectively. The estimated effective discharges at those stations are largely different from bankfull discharges. The hydraulic geometry relationships between bankfull discharge and bankfull width, bankfull depth, velocity, bed slope are established. But the statistical parameters, such as R2, are calculated lower.
 
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.5, 2003³â, pp.823-838
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311922024574)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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