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Çѱ¹¼öÀÚ¿øÇÐȸ / v.40, no.1, 2007³â, pp.11-24
GIS¸¦ ÀÌ¿ëÇÑ À¯¿ª¸Å°³º¯¼öÀÇ ÃßÁ¤ ¹× À¯Ãâ·® »êÁ¤
( Estimation of Watershed Parameters and Runoff Computation Using GIS )
ÀÌÀÓ±Ù;¾È°æ¼ö; (ÁÖ)Á¤µµ¿£Áö´Ï¾î¸µ;ÀÎõ´ëÇб³ Åä¸ñȯ°æ½Ã½ºÅÛ°øÇаú;
 
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¿ì¸®³ª¶ó´Â ¹Ì°èÃø À¯¿ªÀÌ ¸¹¾Æ À¯ÃâÇö»óÀ» ºÐ¼®Çϴµ¥ ¾î·Á¿òÀ» ÁÖ°í ÀÖÀ¸¸ç, µµ½ÃÈ­·Î ÀÎÇÑ ÁöÇüÀû Ư¼ºÀÇ º¯È­ ¶ÇÇÑ À¯ÃâÇö»ó ºÐ¼®À» º¹ÀâÇÏ°Ô Çϰí ÀÖ´Ù. ÀÌ¿¡ º» ¿¬±¸´Â ÃÖ±Ù ¼ö°øÇÐ ºÐ¾ß¿¡¼­ º¸ÆíÈ­µÇ°í ÀÖ´Â GIS(Geographic Information System)¿Í ¼¿ À¯Ãâ·®(cell funoff)À» µµÀÔ½ÃÄÑ À¯ÃâÇö»óÀ» ½Å¼ÓÇϰí È¿°úÀûÀ¸·Î ¸ðÀÇÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀ» ¿¬±¸ÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­´Â À§ÃµÀ¯¿ªÀÇ 6°³ ¼öÀ§°üÃøÁöÁ¡ÀÇ ÀڷḦ Àû¿ëÇÏ¿© VMS¸¦ ÅëÇÑ À¯¿ªÀÇ ¸Å°³º¯¼ö¸¦ ¸ðÀÇÇϰí, ÅäÁöÀ̿뺰 ÃÖ¼Ò¸éÀûÀ» ±âÁØÀ¸·Î °ÝÀÚ¸¦ ±¸¼ºÇÏ¿© ¼öġǥ°í ¸ðµ¨À» ±¸¼ºÇÏ¿´´Ù. ¼¿ À¯Ãâ·®Àº 6°³ ¼öÀ§°üÃø¼Ò ÁöÁ¡ÀÇ °üÃøÀÚ·á·ÎºÎÅÍ È¹µæÇÑ ¿¬Æò±Õ À¯·® ÀÚ·á¿Í ÀÏ ÃÖ´ë À¯·®ÀÚ·áÀÇ Æò±ÕÀ» Àû¿ëÇÑ ¸éÀû °¡Áß¹ý(Area Weighted Method)¿¡ ÀÇÇØ »êÁ¤µÇ¾ú°í, È帧¹æÇ⠺м®°ú ÇÔ¶ô°ø Á¦°Å¸¦ ÅëÇØ À¯¿ª³» ÀÓÀÇÀÇ ÁöÁ¡¿¡ ´ëÇÑ À¯ÃâÀ²À» ¸ðÀÇÇÏ¿´´Ù. ½ÇÃøµÇ¾îÁø À¯ÃâÀ²°ú ¸ðÀÇµÈ À¯ÃâÀ²ÀÇ ºñ±³ ºÐ¼®°á°ú, ¼ÒÀ¯¿ªÀ¸·Î ºÐÇÒÇÑ À¯·®ÀڷḦ Àû¿ëÇÏ¿© ¸ðÀÇÇÑ À¯ÃâÀ²ÀÇ °á°ú°¡ È¿°úÀûÀÓÀ» È®ÀÎÇÒ ¼ö ÀÖ¾úÀ¸¸ç, ÇÑ À¯¿ª¿¡ ÀÖ¾î ÇâÈÄ º¯È­ °¡´ÉÇÑ ÁöÇüÁ¤º¸¸¦ ¿¹ÃøÇÏ¿© ¸ðÀÇÇÔÀ¸·Î½á À̼ö¿Í Ä¡¼ö ¸ñÀû¿¡ ÇÊ¿äÇÑ À¯Ãâ¸ðÀǸ¦ ½Å¼ÓÇϰí È¿°úÀûÀ¸·Î ÀÌ·ç¾îÁö°Ô ÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î »ç·áµÈ´Ù.
There exist various difficulties in runoff analysis due to many ungauged basins in Korea and the runoff phenomena is also more and more complicated by the change of geologic characteristics due to the urbanization. So, we use GIS technique which is widely used in hydrologic field and cell runoff concept for the fast and effective runoff simulation. This study uses the observations of 6 stage stations in Wi-Cheon watershed and simulates the watershed parameters by using WMS model. We construct DEM by the grids which are consisted based on the criteria of minimum area according to land use. The cell runoff is estimated by an average weighted method using mean annual streamflow and mean maximum daily streamflow obtained from six stage stations. The runoff ratio at arbitrary site is estimated by conducting the direction analysis of streamflow and by removing sinkhole. We compare the simulated and observed runoffs and know that the simulated runoff shows the valid results. So, we could use the geographical information and cell runoff concept for more fast and effective runoff simulation studies.
 
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¼öġǥ°í¸ðµ¨;¼¿ À¯Ãâ·®;¸éÀû °¡Áß¹ý;ÇÔ¶ô°ø;DEM;GIS;cell runoff;Area Weighted Method;sinkhole;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.40, no.1, 2007³â, pp.11-24
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200708506339318)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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