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Çѱ¹¼öÀÚ¿øÇÐȸ / v.28, no.2, 1995³â, pp.115-124
ÁöÇüÁ¤º¸½Ã½ºÅÛÀ» ÀÌ¿ëÇÑ ÇÏõÀ¯¿ªÀÇ ÇüÅÂÇÐÀû Ư¼ºÀÎÀÚÀÇ ÃßÃâ
( An Extraction of Geometric Characteristics Paramenters of Watershed by Using Geographic Information System )
¾È»óÁø;ÇÔâÇÐ; ÃæºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;ÀÎÇϰø¾÷Àü¹®´ëÇÐ Ç×°øÃø·®°ú Á¶±³¼ö, ÃæºÏ´ëÇб³ ´ëÇпø;
 
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¼ö¹®¼øÈ¯°úÁ¤ÀÇ ÇØ¼®À» À§ÇÑ ±âº» ÀÚ·á·Î½á ÇÏõÀ¯¿ªÀÇ ÇüÅÂÇÐÀû ¿äÀεéÀº ±× ÇüÅ¿¡ µû¶ó ´Ù¾çÇÒ »Ó ¾Æ´Ï¶ó ±¤¹üÀ§ÇÏ¿© Àΰ£ÀÇ Á¢±ÙÀÌ °ï¶õÇÏ´Ù. ÀÌ·¯ÇÑ ÇÏõÀ¯¿ªÀÇ ±âÇÏÇüÅÂÇÐÀû Ư¼ºÀ» Á¤·®È­Çϱâ À§Çؼ­´Â ¸¹Àº ½Ã°£, °æºñ ¹× ÀηÂÀ» ÇÊ¿ä·Î ÇÑ´Ù. ÃÖ±Ù ÄÄÇ»ÅÍ ÁÖº¯±â±â ¹× ¼ÒÇÁÆ®¿þ¾îÀÇ °³¹ß·Î ¼öÀÚ¿ø ºÐ¾ß¿¡¼­ GIS¸¦ ÀÌ¿ë, À¯¿ª°ú À¯Ãߺм®À» À§ÇÑ ÀÀ¿ë¿¬±¸¸¦ ½ÃÀÛÀ¸·Î ¼öÁú ¹× ¹°ºÐ¹è µî°ú °°Àº ¹®Á¦¿¡ Àû¿ëÇϱ⠽ÃÀÛÇÏ¿´À¸¸ç ¿©±â¼­ ÃßÃâµÈ ÀڷḦ ÀÌ¿ëÇÏ¿© ¼öÀÚ¿øÀÇ ¸¹Àº °ø°¡Àû ºÐ¼®ÀÌ ½ÃµµµÇ¾ú´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â ÁöÇüÁ¤º¸½Ã½ºÅÛÀ» ÀÌ¿ëÇÏ¿© Æòâ°­ À¯¿ªÀ» ´ë»óÀ¸·Î 1:250,000ÀÇ ÁöÇüµµ¸¦ scanningÇÏ¿© vectorizingÇÔÀ¸·Î¼­ DEM(digital elevation model)ÀڷḦ »ý¼ºÇÏ¿´°í À̸¦ »ç¿ëÇÏ¿© ÁöÇüµµ¸¦ ÀÌ¿ëÇÑ À¯¿ª°æ°è¸¦ ÃßÃâÇÏ¿´´Ù. ¶ÇÇÑ ÃßÃâµÈ ÀÚ·á·ÎºÎÅÍ ÁöÇ¥À¯Ãâ·®À» »êÁ¤Çϱâ À§ÇÑ ¼ö¹®ÇÐÀû À¯¿ªÆ¯¼ºÀÎÀÚµéÀ» Á¤·®È­ÇÏ¿© ±âÁ¸ ÀÚ·áµé°ú ºñ±³ °ËÅäÇÏ¿´´Ù. ¿©±â¼­ ¾òÀº °á°ú¸¦ Åä´ë·Î, ¼öÀÚ¿øÀÇ ¿î¿ë ¹× °ü¸®¸¦ À§ÇÑ Á¤È®ÇÏ°í ½Å¼ÓÇÑ ÇÏõÀ¯¿ªÀÇ ±âÇÏÇüÅÂÇÐÀû ÀڷḦ ¼ö¹®Á¤º¸·Î »ç¿ëÇÔÀ¸·Î½á ÁöÇüÁ¤º¸½Ã½ºÅÛÀ» ÀÌ¿ëÇÑ ÇÏõÀ¯¿ªÀÇ °ø°£Á¤º¸ Áï, ¼ö¹® ¹× ÁöÇüÇÐÀû ÀÎÀÚÀÇ ÃßÃâ°úÁ¤À» ÀÚµ¿È­ÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀ» Á¦½ÃÇϰíÀÚ ÇÑ´Ù.
A GIS is capable of extracting various hydrological factors from DEM(digital elevation model). One of important tasks for hydrological analysis is the division of watershed. It can be an essential factor among various geometric characteristics of watershed. In this study, watershed itself and other geometric factors of watershed are extracted from DEM by using GIS technique. The manual process of tasks to obtain geometric characteristics of watershed is automated by using the functions of ARC/INFO software as GIS package. Scanned data was used for this study and it is converted to DEM data. Various forms of representation of spatial data are handled in main module and GRID module of ARC/INFO. GRID module is used on a stream in order to define watershed boundary, so it would be possible to obtain the watersheds. Also, a flow direction, stream networks and orders are generated. The results show that GIS can aid watershed management and research and surveillance. Also the geometric characteristics parameters of watershed can be quantified with ease using GIS technique and the hardsome process can be automated.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.28, no.2, 1995³â, pp.115-124
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511920095520)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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