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Çѱ¹¼öÀÚ¿øÇÐȸ / v.44, no.12, 2011³â, pp.929-940
A1B±âÈĺ¯È­½Ã³ª¸®¿À ±â¹Ý RCM°ú SWAT¸ðÇüÀ» ÀÌ¿ëÇÑ ´ëû´ï ¹× ¿ë´ã´ï À¯¿ª À¯Ãâ·® Àü¸Á
( Outlook of Discharge for Daecheong and Yongdam Dam Watershed Using A1B Climate Change Scenario Based RCM and SWAT Model )
¹ÚÁøÇõ;±ÇÇöÇÑ;³ë¼±Èñ; K-water ¼öÀÚ¿ø¿¬±¸¼Ò;ÀüºÏ´ëÇб³ Åä¸ñ°øÇаú;K-water ¼öÀÚ¿ø¿¬±¸¼Ò;
 
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º» ¿¬±¸¿¡¼­´Â ±Ý°­À¯¿ª ³» ´ëû´ï ¹× ¿ë´ã´ïÀ¯¿ªÀ» ´ë»óÀ¸·Î ±â»óû¿¡¼­ Á¦°øÇÏ´Â °ø°£ÇØ»óµµ 27 km Áö¿ª±Ô¸ðÀÇ A1B½Ã³ª¸®¿À ±â¹ÝÀÇ RCM¸ðÇü°ú SWAT¸ðÇüÀ» ÀÌ¿ëÇÏ¿© ¹Ì·¡ À¯Ãâ·® Àü¸ÁÀ» ºÐ¼®ÇÏ¿´´Ù. ±âº»ÀûÀ¸·Î GCM ¹× RCMÀº ½Ã°ø°£Àû ½ºÄÉÀÏÀÇ »óÀ̼ºÀ¸·Î ÀÎÇØ ¼öÀÚ¿ø ¿µÇâ Æò°¡¸¦ À§ÇÑ ÀÚ·á·Î¼­ Á÷Á¢ÀûÀÎ ÀÌ¿ëÀº Çö½ÇÀûÀ¸·Î °ï¶õÇÏ´Ù´Â Á¡¿¡¼­ º» ¿¬±¸¿¡¼­´Â RCM °ÝÀÚÀڷḦ À¯¿ª´ÜÀ§¿¡¼­ °­¿ì°üÃø¼ÒÁöÁ¡ ´ÜÀ§·Î °ø°£Àû ´Ù¿î½ºÄÉÀϸµÀ» ½Ç½ÃÇÏ¿´À¸¸ç RCM ¿ùÀÚ·á¿¡ ´ëÇØ¼­ ÀÏ´ÜÀ§ ÀÚ·á·Î ½Ã°£Àû ´Ù¿î½ºÄÉÀϸµÀ» ¼öÇàÇÏ¿© ±âÈĸ𵨷κÎÅ͹߻ýÇÏ´Â ½Ã°ø°£Àû ½ºÄÉÀÏÀÇ ¹®Á¦Á¡À» ±Øº¹ÇÏ¿´´Ù. ¶ÇÇÑ À¯¿ª´ÜÀ§ÀÇ »ó¼¼¼ö¹®½Ã³ª¸®¿À¸¦ »ý»êÇϱâ À§Çؼ­ ´ÙÁöÁ¡ ºñÁ¤»ó¼º ´Ù¿î½ºÄÉÀϸµ ±â¹ýÀ» Ȱ¿ëÇÏ¿© ±âÁ¸ Àϰ­¼ö·® ¸ðÀDZâ¹ý¿¡¼­ °£°úµÇ¾ú´ø ºñÁ¤»ó¼ºÀ» °í·ÁÇÏ¿© ¹Ì·¡ ±âÈĺ¯È­¿¡ µû¸¥ °­¼ö»ç»óÀÇ º¯µ¿¼ºÀ» ´Ù¾çÇÑ ¹æ¹ýÀ¸·Î °ËÅäÇÏ¿´´Ù. 2001~2006³â ±â°£ µ¿¾È SWAT¸ðÇüÀ» ÀÌ¿ëÇÏ¿© ¿ë´ã´ï ¹× ´ëû´ï ÁöÁ¡ÀÇ À¯ÀÔ·®°ú SWATÀÇ ÃÖÁ¾¹æ·ùºÎÀÇ À¯Ãâ·® ºÐ¼®°ªÀ» ºñ±³ÇÑ °á°ú ¸ðÀÇÄ¡¿Í ½ÇÃøÄ¡°¡ °¢°¢ 90.1%, 84.3% ÀÏÄ¡ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³ª Àû¿ë¼ºÀÌ ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù. ±âÈĺ¯È­ ºÐ¼®±â°£Àº 2011³âºÎÅÍ 2090³â±îÁö 80³âÀ» ´ë»ó±â°£À¸·Î ¼±Á¤ÇÏ¿´À¸¸ç, ºÐ¼®°á°ú 2011~2030³â »çÀÌ À¯Ãâ·®ÀÌ 6% Áõ°¡ÇÏ´Â °ÍÀ¸·Î Àü¸ÁµÇ¾ú°í, À¯Ãâ·®ÀÇ °èÀýÀû º¯È­´Â ¿©¸§Ã¶ÀÇ À¯Ãâ·®ÀÌ °¨¼ÒÇϰí, °¡À»°ú °Ü¿ïöÀÇ À¯Ãâ·®ÀÌ Áõ°¡ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³ª Áö±Ý°ú´Â °­¿ìÀÇ ÆÐÅÏÀÌ º¯È­µÉ °ÍÀ¸·Î ¿¹»óµÈ´Ù.
In this study, the future expected discharges are analyzed for Daecheong and Yongdam Dam Watershed in Geum River watershed using A1B scenario based RCM with 27 km spatial resolutions from Korea Meteorological Agency and SWAT model. The direct use of GCM and RCM data for water resources impact assessment is practically hard because the spatial and temporal scales are different. In this study, the problems of spatial and temporal scales were settled by the spatial and temporal downscaling from watershed scale to weather station scale and from monthly to daily of RCM grid data. To generate the detailed hydrologic scenarios of the watershed scale, the multi-site non-stationary downscaling method was used to examine the fluctuations of rainfall events according to the future climate change with considerations of non-stationary. The similarity between simulation and observation results of inflows and discharges at the Yongdam Dam and Daecheong Dam was respectively 90.1% and 84.3% which shows a good agreement with observed data using SWAT model from 2001 to 2006. The analysis period of climate change was selected for 80 years from 2011 to 2090 and the discharges are increased 6% in periods of 2011~2030. The seasonal patterns of discharges will be different from the present precipitation patterns because the simulated discharge of summer was decreased and the discharge of fall was increased.
 
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À¯Ãâ·®;´Ù¿î½ºÄÉÀϸµ;A1B½Ã³ª¸®¿À;RCM;SWAT;discharge;downscaling;GCM;A1B scenario;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.44, no.12, 2011³â, pp.929-940
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201105462034387)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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