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Çѱ¹¼öÀÚ¿øÇÐȸ / v.42, no.9, 2009³â, pp.737-745
µµ½ÃÀ¯¿ª¿¡ ´ëÇÑ Åä»çÀ¯Ãâ·® ¸ðÀDZâ¹ý Àû¿ë¼º °ËÅä
( Application of Sediment Yield Estimation Methods for an Urbanized Basin )
¼Õ±¤ÀÍ;³ëÁø¿í; ¿µ³²´ëÇб³ °ø°ú´ëÇÐ °Ç¼³½Ã½ºÅÛ°øÇаú;¿µ³²´ëÇб³ ´ëÇпø °Ç¼³½Ã½ºÅÛ°øÇаú;
 
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±¹³» µµ½ÃÈ­ ½ÃÇèÀ¯¿ª¿¡ ´ëÇÑ ±âÁ¸ Åä»çÀ¯Ãâ°ø½ÄÀÇ Àû¿ë °¡´É¼ºÀ» °ËÅäÇϱâ À§ÇØ µµ½Ã ½ÃÇèÀ¯¿ªÀÇ ½ÇÃøÀÚ·á¿Í ¸ðÀDZâ¹ý Àû¿ë°á°ú¸¦ ºñ±³.ºÐ¼®ÇÏ¿´´Ù. Àû¿ëµÈ Åä»çÀ¯Ãâ·® »êÁ¤ ¸ðÀǰø½ÄÀ¸·Î´Â °³Á¤¹ü¿ëÅä¾ç¼Õ½Ç°ø½Ä(RUSLE - Revised Universal Soil Loss Equation), ¼öÁ¤¹ü¿ëÅä¾ç¼Õ½Ç°ø½Ä(MUSLE - Modified Universal Soil Loss Equation)À» Ȱ¿ëÇÏ¿´´Ù. ½ÃÇèÀ¯¿ªÀº À¯¿ª¸éÀû ¾à 3.81 $km^2$·Î ¸éÀû´ëºñ 56 % Á¤µµ°¡ µµ·Î ¹× Æ÷Àå µîÀ¸·Î µµ½ÃÈ­°¡ ÁøÇàµÈ µµ½Ã ½ÃÇèÀ¯¿ªÀ» ¼±Á¤ÇÏ¿© ÀÚµ¿ °­¿ì ¹× ¼öÀ§°èÃø±â¸¦ ÀÌ¿ëÇÏ¿© Áö³­ 3³â°£ ¿¬¼ÓÀûÀ¸·Î ¼ö¹®ÀڷḦ ÃàÀûÇÏ¿´´Ù. ¶ÇÇÑ °èÃøÁöÁ¡¿¡¼­ÀÇ À¯Ãâ·®º° ¼Ò·ù»ç ¹× ºÎÀ¯»ç ½ÇÃøÀ» ÅëÇÏ¿© À¯·®-À¯»ç·® °ü°è°î¼±À» °³¹ßÇÑ ÈÄ È£¿ì»ç»óº° À¯¿ªÀ¸·Î ºÎÅÍÀÇ Åä»çÀ¯Ãâ·®À» »êÁ¤ÇÏ¿´´Ù. ½ÇÃøµÈ °­¿ì ¹× À¯·® ÀڷḦ Ȱ¿ëÇÏ¿© ¸ðÀÇÇÑ Åä»çÀ¯Ãâ·®°ú ½ÇÃøÇÑ Åä»çÀ¯Ãâ·®À» ºñ±³ÇÑ °á°ú RUSLE¸¦ Àû¿ëÇÑ ¸ðÀǰá°ú°¡ ½ÇÃø Åä»çÀ¯Ãâ·®°ú ±ÙÁ¢ÇÑ °á°ú¸¦ Á¦½ÃÇÏ¿´À¸³ª »ó°ü°è¼ö°¡ ³·¾Æ Àû¿ë¿¡ ¼¼½ÉÇÑ ÁÖÀǰ¡ ¿ä±¸µÊÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ¹Ý¸é, ½ÇÁ¦ À¯Ãâ¼ö¹®°î¼±À» MUSLE±â¹ý¿¡ Àû¿ëÇÏ¿© ¸ðÀÇÇÑ Åä»çÀ¯Ãâ·®°ú ½ÇÃø Åä»çÀ¯Ãâ·®ÀÇ »ó°ü°ü°è´Â ¿ì¼öÇÑ ¿¹Ãø°á°ú¸¦ º¸¿´À¸³ª º¸Á¤°è¼öÀÇ Àû¿ëÀÌ ÇÊ¿äÇÔÀ» È®ÀÎÇÏ¿´´Ù.
Field measured sediment yield from an experimental urbanized basin was compared with the predicted sediment yields with RUSLE (Revised Universal Soil Loss Equation), and MUSLE (Modified Universal Soil Loss Equation). The experimental basin is 3.1km2 in area and fifty six percent of the total area had been urbanized. The hydrological data have been measured with T/M at the outlet of the experimental basin. Runoff from the basin and rainfall depth of the basin were measured every minute. Bed load and suspended load were also measured for a given flow rate. Runoff rating curves and sediment rating curve were developed for the last three years. RUSLE showed scattered prediction results but the average of the prediction values was close to the measured one. Meanwhile, MUSLE showed linear correlation between the measured sediment yield and predicted one with high correlation coefficient. But MUSLE predicts high values than the real one. Therefore, adjustment is necessary to apply MUSLE in estimation of sediment yield from the experimental urbanized basin.
 
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.42, no.9, 2009³â, pp.737-745
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200927941501035)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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