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Çѱ¹¼öÀÚ¿øÇÐȸ / v.40, no.10, 2007³â, pp.793-800
Wavelet TransformÀ» ÀÌ¿ëÇÑ °¨Á¶ÇÏõ ¼öÀ§ÀÚ·áÀÇ À¯Ã⼺ºÐ ÃßÃâ
( Extraction of Runoff Component from Stage in Tidal River Using Wavelet Transform )
¿Àâ¿­;ÀÌÁø¿ø;Á¤¼º¿ø;¹Ú¼ºÃµ; À¯·®Á¶»ç»ç¾÷´Ü ǰÁúÁ¤Ã¥½Ç;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ÇÏõ.ÇØ¾È¿¬±¸½Ç;À¯·®Á¶»ç»ç¾÷´Ü;µ¿½Å´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸´Â Á¶¼®ÀÇ ¿µÇâÀ» ¹Þ´Â Çϵ¿2 ÁöÁ¡ÀÇ ¼öÀ§ÀÚ·á·ÎºÎÅÍ ½Ã°£°ú Á֯ļö ¿µ¿ª¿¡¼­ À¯¿¬ÇÑ ºÐÇØ´ÉÀ» °®´Â ¿þÀÌºí·¿ º¯È¯À» Àû¿ëÇÏ¿© °­¿ì¿¡ ÀÇÇÑ À¯Ã⼺ºÐ°ú Á¶¼®¿¡ ÀÇÇÑ Á¶À§¼ººÐÀ» ÃßÃâÇÏ¿´´Ù. ÃÖÁ¾ÆÄÇü ºÐÇØ´Ü°èÀÇ ±Ù»ç¼ººÐÀº °¡Àå Å« ¿¡³ÊÁö °ªÀº 87.77%¸¦ ³ªÅ¸³»¾úÀ¸¸ç, »ó¼¼¼ººÐ Áß ¹ÝÀÏÁÖÁ¶ÇüÀÇ Áֱ⼺(¾à 12½Ã°£)À» °®´Â D3ÀÇ ¿¡³ÊÁö °ªÀº 10.70%·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ D3ÀÇ ¿Öµµ ¹× ÷µµ °ªÀº ¿©¼ö Á¶À§ÀÚ·á¿Í À¯»çÇÔÀ» º¸¿©ÁÖ¾ú´Ù. µû¶ó¼­ Çϵ¿2 ÁöÁ¡ÀÇ ¼öÀ§ÀÚ·á¿¡ ´ëÇÏ¿© ÃÖÁ¾ ºÐÇØµÈ ÃÖÁ¾ÆÄÇü ºÐÇØ´Ü°èÀÇ ±Ù»ç¼ººÐ(A6)°ú D6, D5 »ó¼¼¼ººÐÀº À¯Ã⼺ºÐÀ̸ç, »ó¼¼¼ººÐ D4, D3, D2´Â Á¶¼®ÀÇ ¿µÇâÀ¸·Î ¼öÀ§°¡ »ó½Â°ú Çϰ­À» ¹Ýº¹ÇÏ´Â Á¶À§¼ººÐÀÎ °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
This research applied to Wavelet transform that have soft resolution time and frequency area for stage of Hadong2 station in order to extract to discharge component by rainfall and tidal level component by tide. Approximation component(A6) of last level for wavelet decomposition displayed the biggest energy value 87.77%, and detail component(D3) energy value was 10.70% with periodicity of semidiurnal tide type(about 12 hours). Also skewness, kurtosis values of D3 have similar to tidal level of Yeosu. Approximation component(A6), Detail component(D6, D5) for Hadong2 stage was runoff component, and detail component(D4, D3, D2) was tide component according to effect of tide.
 
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±Ù»ç¼ººÐ;»ó¼¼¼ººÐ;¿þÀÌºí·¿ º¯È¯;Á¶¼®;approximation component;detail component;wavelet transform;tide;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.40, no.10, 2007³â, pp.793-800
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200735822476560)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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