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Çѱ¹¼öÀÚ¿øÇÐȸ / v.44, no.12, 2011³â, pp.967-974
ESP¿Í RDAPS ¼öÄ¡¿¹º¸¸¦ ÀÌ¿ëÇÑ Àå±âÀ¯·®¿¹Ãø
( Long-term Streamflow Prediction Using ESP and RDAPS Model )
ÀÌ»óÁø;Á¤Ã¢»ï;±èÁÖö;Ȳ¸¸ÇÏ; K-water¿¬±¸¿ø ¼öÀÚ¿ø¿¬±¸¼Ò;Àδö´ëÇÐ Åä¸ñȯ°æ¼³°è°ú;K-water¿¬±¸¿ø ¼öÀÚ¿ø¿¬±¸¼Ò;K-water¿¬±¸¿ø ¼öÀÚ¿ø¿¬±¸¼Ò;
 
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RDAPS ¼öÄ¡¿¹º¸·ÎºÎÅÍ »ý»êµÈ ÀÏ´ÜÀ§ °­¿ì½Ã°è¿­À» ¹ÙÅÁÀ¸·Î À¯·® ¿¹ÃøÀ» ¸ðÀÇÇϰí, Á¤¼ºÀûÀÎ ÁßÀå±â ¿¹º¸¸¦ °í·ÁÇÑ ESP ºÐ¼®À» ¼öÇàÇÏ¿© °á°ú¸¦ ºñ±³Çϰí Àû¿ë¼ºÀ» °ËÅäÇÏ¿´´Ù. ±Ý°­À¯¿ªÀ» ´ë»óÀ¸·Î ESP, Á¤¼ºÀû ±â»ó¿¹º¸¸¦ °í·ÁÇÑ ESP, RDAPS ±â»ó¼öÄ¡¿¹º¸¿¡ÀÇÇÑÀ¯·®¿¹Ãø°á°ú¸¦Æò±ÕÀ¯Ãâ·®°úºñ±³ ºÐ¼®À» ÅëÇØ°¢±â¹ýº° °á°úÀÇ °³¼±È¿°ú¸¦ Æò°¡ÇÏ¿´´Ù. ¿¹Ãø ¸ðÀÇ °á°ú ±â»óÁ¤º¸¸¦ °í·ÁÇÑ ESP ¹æ¹ýÀÇ °á°ú°¡»ó´ëÀûÀ¸·Î ¾çÈ£ÇÑ °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù. È®·ü¿¹ÃøÀÇ Á¤È®µµ¸¦ Æò°¡Çϱâ À§ÇÑ ºÒÀÏÄ¡À²(Discrepancy Ratio) ºÐ¼® °á°ú¿¡¼­µµ °°Àº °á°ú¸¦ ¾ò¾ú´Ù. RDAPS ¼öÄ¡¿¹º¸ÀÇ °æ¿ì 3½Ã°£ ´ÜÀ§ÀÇ ´©Àû°­¼ö¶ó´Â Ư¼ºÀÌ °¨¾ÈµÈ ½Ã°£ºÐÇØ´ÉÀ» °®´Â ÀÏ´ÜÀ§ ½Ã³ª¸®¿À·Î °³¼±µÇ°Å³ª Àå±â°£ µ¿¾È Áö¼ÓÀûÀÎ ¸ðÀÇ Æò°¡°¡ ÀÌ·ç¾îÁø´Ù¸é ´õ¿í Á¤¹ÐÇÑ À¯·®¿¹ÃøÀ» ¸ðÀÇ ÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î ¿¹»óµÈ´Ù.
Based on daily time series from RDAPS numerical weather forecast, Streamflow prediction was simulated and the result of ESP analysis was implemented considering quantitative mid- and long-term forecast to compare the results and review applicability. The result of ESP, ESP considering quantitative weather forecast, and flow forecast from RDAPS numerical weather forecast were compared and analyzed with average observed streamflow in Guem River Basin. Through this process, the improvement effect per method was estimated. The result of ESP considering weather information was satisfactory relatively based on long-term flow forecast simulation result. Discrepancy ratio analysis for estimating accuracy of probability forecast had similar result. It is expected to simulate more accurate flow forecast for RDAPS numerical weather forecast with improved daily scenario including time resolution, which is able to accumulate 3 hours rainfall or continuous simulation estimation.
 
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°­¼öÀü¸Á;Àå±âÀ¯·®¿¹Ãø;RDAPS;precipitation outlook;ESP;long-term streamflow prediction;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.44, no.12, 2011³â, pp.967-974
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201105462034393)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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