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Çѱ¹¼öÀÚ¿øÇÐȸ / v.39, no.3, 2006³â, pp.253-259
°¡¿ªÁ¢±Ù¹ýÀ» ÀÌ¿ëÇÑ ÀÏÀ¯Ãâ·® ÀÚ·áÀÇ ºñ¼±Çü ¿¹Ãø
( Nonlinear Forecasting of Daily Runoff Using Inverse Approach Method )
À̹輺;Á¤µ¿±¹;Á¤Å¼º;ÀÌ»óÁø; Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¿ø;Çѳ²´ëÇб³ °ø°ú´ëÇÐ Åä¸ñȯ°æ°øÇаú;Çѳ²´ëÇб³ °ø°ú´ëÇÐ Åä¸ñȯ°æ°øÇаú;Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¿ø;
 
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±âÁ¸ÀÇ °ÅÀÇ ¸ðµç ¼ö¹®ÇÐÀû ¿¬±¸¿¡ À־, ½Ã½ºÅÛÀÇ Æ¯¼ºÀ» ÆÄ¾ÇÇÑ µÚ ¿¹ÃøÀ» ½Ç½ÃÇϴ ǥÁØÁ¢±Ù¹ýÀÌ Ã¤ÅõǾî¿Ô´Ù. ±×·¯³ª ÃÖ±Ù µé¾î ½Ã½ºÅÛÀÇ Æ¯¼ººÐ¼®¿¡ ¾Õ¼­ ¿¹ÃøÀ» ½Ç½ÃÇϰí, »óŰø°£ ¸Å°³º¯¼ö°¡ ½Ã½ºÅÛÀÇ Æ¯¼ººÐ¼®´Ü°è°¡ ¾Æ´Ñ ¿¹Ãø´Ü°è¿¡¼­ Æò°¡µÇ´Â °¡¿ªÁ¢±Ù¹ýÀÌ Á¦¾ÈµÇ¾ú´Ù. º» ¿¬±¸¿¡¼­´Â ÃÖ±Ù¿¡ Á¦¾ÈµÈ °¡¿ªÁ¢±Ù¹ý°ú ±âÁ¸¿¡ ³Î¸® Àû¿ëµÇ¾î¿Â Ç¥ÁØÁ¢±Ù¹ýÀ» ÀÌ·ÐÀû Ä«¿À½º ½Ã°è¿­°ú IdahoÁÖ Bear°­ÀÇ ÀÏÀ¯Ãâ·® ÀÚ·á¿¡ Àû¿ëÇÔÀ¸·Î½á, °¡¿ªÁ¢±Ù¹ýÀÇ Àû¿ë¼ºÀ» °ËÅäÇϰí Ä«¿À½º ½Ã°è¿­ÀÇ Æ¯¼ºÀ» ¾Ë¾Æº¸¾ÒÀ¸¸ç, Ä«¿À½ºÀÌ·ÐÀÌ Àû¿ëµÈ ºñ¼±Çü ¿¹Ãø±â¹ýÀ¸·Î´Â ºÎºÐ±Ù»çÈ­ ±â¹ýÀ» ÀÌ¿ëÇÏ¿´´Ù. Ä«¿À½º Ư¼º ºÐ¼®À» ÅëÇØ, ÀÌ·ÐÀû Ä«¿À½º ½Ã°è¿­°ú IdahoÁÖ Bear°­ÀÇ ÀÏÀ¯Ãâ·® ½Ã°è¿­ ÀÚ·á ¸ðµÎ¿¡¼­ Ä«¿À½º Ư¼ºÀÌ ³ªÅ¸³²À» ¾Ë ¼ö ÀÖ¾ú´Ù. 200ÀÏ¿¡ ´ëÇÑ 1, 3, 5ÀÏ ¿¹Ãø °á°ú, °¡¿ªÁ¢±Ù¹ýÀÌ Ç¥ÁØÁ¢±Ù¹ý¿¡ ºñÇØ ¿ì¼öÇÔÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
In almost all previous hydrological studies, the standard approach adopted for nonlinear time series analysis is to perform system characterization first followed by forecasting. However, a practical inverse approach for forecasting nonlinear hydrological time series was proposed recently To investigate the applicability standard approach method and inverse approach, this study used a theoretical time series (Mackey-Glass time series) and daily streamflows of the Bear River in Idaho. To predict a theoretical time series and daily streamflow, this study used local approximation method. From chaos analysis, chaotic characteristics are found in daily streamflow of the Bear River in Idaho. Resulting from 1, 3 and 5-day prediction, inverse approach method is shown to be better than the standard approach for a theoretical chaotic time series and daily streamflow.
 
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Ç¥ÁØÁ¢±Ù¹ý;°¡¿ªÁ¢±Ù¹ý;Ä«¿À½º;ÀÏÀ¯Ãâ·®;standard approach method;inverse approach method;chaos;daily streamflows;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.39, no.3, 2006³â, pp.253-259
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200617033458521)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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