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Çѱ¹¼öÀÚ¿øÇÐȸ / v.42, no.5, 2009³â, pp.397-406
¿µ»óºÐ¼®±â¹ýÀ» ÀÌ¿ëÇÑ ±¸Çϵµ º¹¿ø ´ë»óÇÏõÀÇ ÇϵµÆò°¡
( Channel Evaluation for Abandoned Channel Restoration Using Image Analysis Technique )
È«ÀÏ;°­Áر¸;±Çº¸¾Ö;¿©È«±¸; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ÇÏÃµÇØ¾ÈÇ׸¸¿¬±¸½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ÇÏÃµÇØ¾ÈÇ׸¸¿¬±¸½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ÇÏÃµÇØ¾ÈÇ׸¸¿¬±¸½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ÇÏÃµÇØ¾ÈÇ׸¸¿¬±¸½Ç;
 
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ÇÏõÀº ´Ù¾çÇÑ È¯°æÁ¶°Ç¿¡ µû¶ó º¯È­µÉ ¼ö ÀÖ´Â °ø°£À¸·Î ±¸Çϵµ¸¦ º¹¿ø ¼³°èÇϱâ À§Çؼ­´Â ÇöÀç ÇϵµÀÇ ¾ÈÁ¤¼º ¿©ºÎ¸¦ ÆÄ¾ÇÇÒ ¼ö ÀÖ´Â ÇϵµÆò°¡°¡ ÇÊ¿äÇÏ´Ù. ÇϵµÆò°¡´Â ´ë»óÇÏõÀÇ ÁöÇü ¹× ¼ö¸® ¼ö¹® µî ´Ù¾çÇÑ Á¤º¸°¡ ¿ä±¸µÇÁö¸¸ ±¹³»¿©°Ç»ó °ú°ÅÀÚ·á ¹Ìºñ·Î ÀÎÇØ ½Ã °ø°£ÀûÀ¸·Î º¯È­µÈ ÇÏõÀÇ ÁöÇüÇÐÀû Á¤º¸¸¦ ÆÄ¾ÇÇϱ⿡´Â ¸¹Àº ¾î·Á¿òÀÌ ÀÖ´Ù. º» ¿¬±¸´Â û¹ÌõÀÇ °ú°Å ÁöÇüµµ ¹× Ç×°ø»çÁøÀ» ÀÌ¿ëÇÑ ¿µ»óºÐ¼®À» ÅëÇØ °ú°Å¿Í ÇöÀç ÇÏõÀÇ Çϵµº¯È­¸¦ ºÐ¼®Çϰí, ÇϵµÆò°¡¸¦ À§ÇÑ ¿µ»óºÐ¼®±â¹ý¿¡ ´ëÇÑ Àû¿ë¼ºÀ» °ËÅäÇϴµ¥ ¸ñÀûÀÌ ÀÖ´Ù. ¿µ»óºÐ¼®À» ÅëÇØ ¾òÀº °á°ú´Â ±¸Çϵµ ÇüÅ ±Ô¸ð, Çϵµ Á¾ Ⱦ´Ü º¯È­, ¹ÌÁöÇü º¯È­ µîÀ¸·Î Á¤·®Àû ºÐ¼®ÀÌ °¡´ÉÇÏ¿´´Ù. ƯÈ÷ ¸ð·¡»çÁÖÀÇ Çü»óº¯È­´Â ÇöÀçÇϵµÀÇ »óŸ¦ ÆÄ¾ÇÇÏ´Â Áß¿äÀÚ·á·Î º¹¿øÇϵµ ¼³°è ½Ã ÇϵµÀÇ ±Ô¸ð, Æò¼öÀ¯ÀÔÀ¯·® µîÀ» ¼±Á¤Çϱâ À§ÇÑ ±âÃÊÀÚ·á°¡ µÉ °ÍÀÌ´Ù. ÀÌ¿Í °°Àº °á°ú¿¡¼­ ¿µ»óºÐ¼®±â¹ýÀº Æò¸éÀûÀÎ Á¤º¸ÀÇ ÇѰè´Â ÀÖÀ¸³ª º¹¿øÇϵµ ¼³°è ½Ã ±¹³» ¿©°ÇÀ» °í·ÁÇÒ¼ö ÀÖ´Â ±â¹ýÀ¸·Î Ȱ¿ëµÉ ¼ö ÀÖÀ» °ÍÀÌ´Ù.
River is able to change by various environmental factors. In order to conduct restoration design of abandoned river channels, it is necessary to evaluate the river through the analysis of past and present river channels. River evaluation requires various data, such as geometry, hydraulic and hydrology, but there is a lot of difficulty to understand topographical information of river change on time and space due to a lack of past data by domestic conditions. This study analyzes the changes in past and present river channels and examines the applicability of river channel evaluation through image analysis using aerial photographs and 1918 year's map. Aerial photograph analysis was conducted by applying the image analysis method and GIS analysis method on Cheongmicheon. As a result of this analysis, we have quantitatively identified the form and size of abandoned channels, changes in the vertical-section and cross-section length of rivers, and micro-landform changes. More importantly, we verified that morphological changes in sandbars due to artificial straightening are important data in identifying the state of current river channels. In these results, although image analysis technique has limitations in two-dimensional information from aerial photographs, we were able to evaluate the changes in river channel morphology after artificial maintenance of the river.
 
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¿µ»óºÐ¼®±â¹ý;±¸Çϵµ;Ç×°ø»çÁø;¹ÌÁöÇü º¯È­;Image analysis technique;Abandoned channel;Aerial photograph;Micro-landform change;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.42, no.5, 2009³â, pp.397-406
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200916041585819)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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