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Çѱ¹¼öÀÚ¿øÇÐȸ / v.41, no.12, 2008³â, pp.1163-1172
´ï ÇÏ·ùÇÏõÀÇ »çÁÖ¿Í ½Ä»ý ¸éÀû º¯È­¿¡ °üÇÑ ¿¬±¸
( A Study on the Sandbar and Vegetation Area Alteration at the Downstream of Dam )
¹ÚºÀÁø;Àåâ·¡;ÀÌ»ïÈñ;Á¤°ü¼ö; Çѱ¹¼öÀÚ¿ø°ø»ç ´ï.À¯¿ª°ü¸®Ã³ ÇÏõÀ¯¿ªÆÀ;Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¿ø;°Ç¼³±â¼ú¿¬±¸¿ø, ÇÏõ.ÇØ¾È¿¬±¸½Ç;Ãæ³²´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸´Â ´ï °Ç¼³ Àü ÈÄ Ç×°ø»çÁøÀ» Ȱ¿ëÇÏ¿© ´ï ÇÏ·ùÇÏõÀÇ »çÁÖ¿Í ½Ä»ýÀÇ ¸éÀûº¯È­, º¯È­Áö¼ö, º¯È­Á¤µµ¿Í °æ³âº¯È­¸¦ ºñ±³ ºÐ¼® ÇÏ¿´´Ù. »çÁÖ¸éÀû º¯È­¸¦ ºÐ¼®ÇÑ °á°ú, ´ï °Ç¼³ÀüÀÇ »çÁÖ¸éÀûÀº ÇÏõ¸éÀûÀÇ 38 %À̾úÀ¸³ª, ´ï °Ç¼³ÈÄ¿¡´Â 21 %·Î 17 %°¡ °¨¼ÒÇÏ¿´À¸¸ç, º¯È­Áö¼ö´Â $-0.9921{sim}2.9528$ À̾ú´Ù. ½Ä»ý¸éÀû º¯È­¸¦ ºÐ¼®ÇÑ °á°ú, ´ï °Ç¼³ÀüÀÇ ½Ä»ý¸éÀûÀº ÇÏõ¸éÀûÀÇ 11 %À̾úÀ¸³ª, ´ï °Ç¼³ÈÄ¿¡ 24 %·Î 13 %°¡ Áõ°¡ÇÏ¿´À¸¸ç, º¯È­Áö¼ö´Â $-0.8908{sim}12.0736$ À̾ú´Ù. ¾Èµ¿´ï, ÀÓÇÏ´ï, ÇÕõ´ïÀÇ »çÁÖ¿Í ½Ä»ýÀÇ °æ³âº¯È­¸¦ ºÐ¼®ÇÑ °á°ú, »çÁÖ¸éÀûÀº ¿¬ $42,600m^2$¾¿ °¨¼Ò ÇÏ¿´À¸³ª ½Ä»ý¸éÀûÀº ¿¬ $51,700m^2$ ¾¿ Áõ°¡ÇÏ¿©, »çÁÖ¸éÀûÀÇ °¨¼Ò º¸´Ù ½Ä»ý¸éÀûÀÇ Áõ°¡°¡ Å« °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù.
In this study, area variation, index and degree of alteration, temporal variation of the sandbar and vegetation were analyzed using aerial photographs during the pre and post dam construction at the downstream of dam. Analysis result of the sandbar area was decreased 17 %. Sandbar area was 38 % of the channel areas at the pre dam, but 21 % at the post dam. Alteration indies of the sandbar were $-0.9921{sim}2.9528$. Analysis result of the vegetation area was increased 13 %. Vegetation area was 11 % of the channel areas at the pre dam, but 24 % at the post dam. Alteration indies of the vegetation were $-0.8908{sim}12.0736$. Temporal variation of the sandbar and vegetation were analyized at the An Dong dam, Im Ha dam, Hap Chun dam. Analysis result of the sandbar was decreased $42,600m^2$ per year, but vegetation was increased $51,700m^2$ per year. Sandbar area was decreasing more fast than vegetation area increasing.
 
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»çÁÖ;½Ä»ý;º¯È­Áö¼ö;º¯È­Á¤µµ;Sandbar;Vegetation;Index of Alteration;Degree of Alteration;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.41, no.12, 2008³â, pp.1163-1172
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200803544453005)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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