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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.4, 2003³â, pp.609-621
WMS HEC-1À» ÀÌ¿ëÇÑ ¾È¼ºÃµ ÆòÅüöÀ§°üÃø¼Ò »ó·ùÀ¯¿ªÀÇ ¼ö¹® °æ³âº¯È­ ºÐ¼®
( Analysis of Hydrological Impact for Long-Term Land Cover Change Using the WMS HEC-1 Model in the Upstream Watershed of Pyeongtaek Gauging Station of Anseong-cheon )
±è¼ºÁØ;¹Ú±Ù¾Ö;Á¤ÀαÕ;±ÇÇüÁß; °Ç±¹´ëÇб³ Áö¿ª°Ç¼³È¯°æ°øÇаú;°Ç±¹´ëÇб³ Áö¿ª°Ç¼³È¯°æ°øÇаú;°Ç±¹´ëÇб³ Áö¿ª°Ç¼³È¯°æ°øÇаú;°Ç±¹´ëÇб³ Áö¿ª°Ç¼³È¯°æ°øÇаú;
 
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º» ¿¬±¸´Â ¾È¼ºÃµÀÇ ÆòÅüöÀ§°üÃø¼Ò »ó·ùÀ¯¿ªÀ» ´ë»óÀ¸·Î Á¡ÁøÀûÀÎ µµ½ÃÈ­·Î ÀÎÇÑ ÅäÁöÇǺ¹º¯È­°¡ ¼ö¹®º¯È­¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ºÐ¼®ÇϰíÀÚ ÇÏ¿´´Ù. À̸¦ À§ÇØ WMS HEC-1¸ðÇüÀ» »ç¿ëÇÏ¿´°í, °ÝÀÚÅ©±â 200$ imes$200m DEM°ú 1:50,000Åä¾çµµ·ÎºÎÅÍÀÇ ¼ö¹®ÇÐÀû Åä¾ç±ºÀ» ÀÌ¿ëÇÏ¿´´Ù. 1986, 1990, 1994, 1999³â Landsat TM ¿µ»óÀ» ÃÖ¿ìµµ¹ý¿¡ ÀÇÇØ ÇǺ¹ºÐ·ù¸¦ ½Ç½ÃÇÑ °á°ú, ÀÌ ±â°£µ¿¾È À¯¿ª³»¿¡ »ê¸²°ú ³íÀº Áö¼ÓÀûÀ¸·Î °¨¼ÒÇÏ¿© ¿Ô°í, µµ½Ã/ÁÖ°ÅÁö ¸éÀûÀº ²ÙÁØÇÏ°Ô Áõ°¡ÇÑ °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù. 1998³â¿¡¼­ 2001³â±îÁö 5°³ÀÇ °­¿ì»ç»óÀ» ¼±Á¤ÇÏ¿© ÆòÅðú °øµµ µÎ ÁöÁ¡¿¡ ´ëÇÏ¿© ¸ðÇüÀ» º¸Á¤ÇÏ¿´´Ù. 4°³³âÀÇ À¯¿ªÆò±Õ CN°ªÀº 61.7-62.3ÀÇ ¹üÀ§¸¦ º¸¿´´Ù. º» ¿¬±¸¿¡¼­´Â ƯÁ¤ÅäÁö ÀÌ¿ëÀÇ ¸éÀûº¯È­°¡ ÇÏõÀ¯Ãâ¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ÆÄ¾ÇÇϱâ À§ÇÏ¿© ƯÁ¤ÅäÁöÀÌ¿ëÀ» Á¦¿ÜÇÑ Å¸ ÅäÁöÀÌ¿ëÀÇ CNÀ» ´ëÇ¥ CNÀ¸·Î º¯È¯ÇÏ´Â °£´ÜÇÑ ¹æ¹ýÀ» Á¦¾ÈÇÏ¿´´Ù. ³í, »ê¸², µµ½Ã/ÁÖ°ÅÁöÀÇ µ¿ÀϸéÀûº¯È­¿¡ ´ëÇÏ¿© ³í, »ê¸², µµ½Ã/ÁÖ°ÅÁöÀÇ ¼øÀ¸·Î À¯¿ªÆò±Õ CN°ª¿¡ ¿µÇâÀ» ÁÖ¾ú´Ù.
The purpose of this study is to evaluate the hydrological impact due to temporal land cover change by gradual urbanization of upstream watershed of Pyeongtaek gauging station of Anseong -cheon. WMS HEC-1 was adopted, and DEM with 200$ imes$200m resolution and hydrologic soil group from 1:50,000 soil map were prepared. Land covers of 1986, 1990, 1994 and 1999 Landsat TM images were classified by maximum likelihood method. The watershed showed a trend that forest £¦ paddy areas decreased and urban/residential area gradually increased for the period of 14 years. The model was calibrated at 2 locations (Pyeongtaek and Gongdo) by comparing observed with simulated discharge results for 5 summer storm events from 1998 to 2001. The watershed average CN values varied from 61.7 to 62.3 for the 4 selected years. To identify the impact of streamflow by temporal area change of a target land use, a simple evaluation method that the CN values of areas except the target land use are unified as one representative CN value was suggested. By applying the method, watershed average CN value was affected in the order of paddy, forest and urban/residential, respectively.
 
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ÅäÁöÇǺ¹º¯È­;land cover change;WMS HEC-1;CN;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.4, 2003³â, pp.609-621
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921879119)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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