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Çѱ¹¼öÀÚ¿øÇÐȸ / v.35, no.6, 2002³â, pp.753-762
½ÇÇè¼ö·Î¿¡¼­ ½Ä¹°±º¶ô¿¡ ÀÇÇÑ À¯»ç°Åµ¿ ¾ç»ó¿¡ °üÇÑ ½ÇÇèÀû °íÂû
( A Study of the Relationship between In-stream Vegetation and Sediment Transport by a Hydraulic Model Experiment )
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º» ¿¬±¸¿¡¼­´Â Ä¡¼ö¾ÈÀüµµÀÇ Á¤È®ÇÑ Æò°¡´Â ¹°·Ð ÀÚ¿¬È¯°æ¿¡ ´ëÇÑ Æò°¡¿¡ Áß¿äÇÑ ÇÏõ½Ä¹°±º¶ô¿¡ ÁÖ¸ñÇÏ¿´´Ù. ƯÈ÷, º» ¿¬±¸¿¡¼­´Â ÇÏõ½Ä¹°±º¶ô°ú À¯»ç°Åµ¿¿¡ µû¸¥ Çϵµº¯È­¿ÍÀÇ »ó°ü°ü°èÀÇ ±Ô¸í¿¡ °ü½ÉÀ» µÎ¾ú´Ù. Çϵµ¼ö¸®ÇÐ °üÁ¡¿¡¼­ ÇÏõ³» ½Ä»ýºÐÆ÷ Ư¼º¿¡ ´ëÇÑ ÇϵµÇöÀåÀ» Á¶»çÇÑ °á°ú, Çϵµº¯È­¸¦ ¾ß±âÇÏ´Â ¿©·¯ ¹°¸®Àû ¿äÀÎÀÌ ÀÖÁö¸¸, ÇÏõ½Ä»ý¿¡ ÀÇÇÑ Çϵµº¯È­, ƯÈ÷ ÇÏõ½Ä¹°±º¶ô¿¡ ÀÇÇÑ À¯»çÅðÀûÀÌ Çϻ󺯵¿À» ¾ß±â½Ã۰í ÀÖÀ½ÀÌ È®ÀεǾú´Ù. À̸¦ ¼ö¸®ÇÐÀûÀ¸·Î ±Ô¸íÇϱâ À§ÇÏ¿© ¼ö¸®¸ðÇü½ÇÇèÀ» ½Ç½ÃÇÏ¿´´Ù. ½ÇÇè¿¡¼­ ÇÏ»ó°æ»ç 1/200ÀÎ ÀÚ°¥ÇÏõ¿¡ ¿ìÁ¡ÇÏ´Â ´Þ»Ñ¸®Ç®À» ´ë»óÀ¸·Î ÇÏ¿´´Ù. ½ÇÇèÀÇ ³»¿ëÀº Æò±ÕÀÔ°æ 0.3 mmÀÇ ¼Ò·ù»ç¸¦ ÃÑ 1 ½Ã°£µ¿¾È 27 kgÀ» ±ÕµîÇÏ°Ô °ø±ÞÇÑ °á°ú, °ÅÀÇ µ¿ÀÏÇÑ ¼ö¸®·® Á¶°ÇÇÏ¿¡¼­ ½Ä¹°±º¶ôÀÇ ¹Ðµµ¿Í ¹èÄ¡¿¡ µû¶ó È帧ÀÇ º¯È­¿Í ÅðÀû/¼¼±¼¾ç»óÀÌ ºÐ¸íÈ÷ ´Ù¸£°Ô ³ªÅ¸³µ´Ù. µû¶ó¼­, Çϵµ³» ÅðÀû ¹× ¼¼±¼ÀÌ ÇÏõ½Ä¹°±º¶ôÀÇ ºÐÆ÷ Ư¼º¿¡µµ ¿µÇâÀ» ¹ÌÄ¡¹Ç·Î ÇÏõ½Ä¹°±º¶ô°ú À¯»ç°Åµ¿¿¡ µû¸¥ Çϵµº¯È­´Â »óÈ£ ¹ÐÁ¢ÇÑ °ü°è°¡ ÀÖÀ» °ÍÀ¸·Î Æò°¡ÇÒ ¼ö ÀÖ¾ú´Ù.
In-stream vegetation is an essential element of a stream channel. Vegetation plays an important role in flood control and the natural environment in stream channels. This research investigates the relationship between in-stream vegetation and stream changes. This study investigates the distribution characteristic of vegetation in some rivers of Korea. Although there are many physical factors that cause changes to streams, this research verified that in-stream vegetation caused sediment deposition. A hydraulic model experiment was conducted. Tests were conducted in a simulated gravel bed stream (bed slope 1/200) with Phragmites japonica. The average diameter of the bed load used was 0.3 mm and 27 kg were uniformly supplied for 1 hour under same hydraulic conditions. The deposition and scouring as well as the change of flow differed according to the density and arrangement of the Phragmites japonica. In-stream vegetation and stream channel change are closely related because deposition and scouring affects the distribution of vegetation.
 
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½Ä¹°±º¶ô;´Þ»Ñ¸®Ç®;Çϵµº¯È­;À¯»ç;ÅðÀû/¼¼±¼;vegetation;Phragmites japonica;channel change;sediment;deposition and scouring;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.35, no.6, 2002³â, pp.753-762
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921477225)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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