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Çѱ¹¼öÀÚ¿øÇÐȸ / v.32, no.3, 1999³â, pp.247-254
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( Derivation of Rainfall Intensity-Duration-Frequency Equation Based on the Approproate Probability Distribution )
ÇãÁØÇà;±è°æ´ö;ÇÑÁ¤ÈÆ; ¿¬¼¼´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇкÎ;¿¬¼¼´ëÇб³ °ø°ú´ëÇÐ ºÎ¼³ »ê¾÷±â¼ú¿¬±¸¼Ò;»ï¾È Eng, ¼ö·ÂºÎ ¿¬±¸¿ø;
 
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¿ì¸® ³ª¶ó ÁÖ¿ä ¿ì·®°üÃø¼Ò 22°³ ÁöÁ¡ÀÇ ¸Å³â ÃÖ´ëÄ¡ °­¿ìÀÚ·á¿¡ ´ëÇÏ¿© ºóµµÇؼ®À» ½Ç½ÃÇÏ¿´´Ù. ¸Å°³º¯¼ö ÃßÁ¤¹æ¹ýÀº ¸ð¸àÆ®¹ý, È®·ü°¡Áß ¸ð¸àÆ®¹ý, ÃÖ¿ìµµ¹ý µîÀ̸ç, ¸Å°³º¯¼ö ÀûÇÕ¼º, µµ½ÃÀû ÇØ¼®, ºÐ¸®È¿°ú, ÀûÇÕµµ °ËÁ¤°á°ú GEV ºÐÆ÷°¡ ¿ì¸® ³ª¶ó °­¿ìÀÚ·á¿¡ ´ëÇÏ¿© °¡Àå ÀûÇÕÇÑ È®·üºÐÆ÷ÇüÀ¸·Î ³ªÅ¸³µ´Ù. ¼±Á¤µÈ GEV ºÐÆ÷ÇüÀ» ¸ðÁý´ÜÀÇ È®·üºÐÆ÷ÇüÀ¸·Î °¡Á¤ÇÏ¿© ÀçÇö±â°£º° È®·ü°­¿ì·®À» »êÁ¤ÇϹǷνá Áö¿ªÀû ÇØ¼®À» ½Ç½ÃÇÏ¿´À¸¸ç, Á¤È®µµ ÀÖ´Â ¼±ÇüÈ­ ±â¹ýÀ» ÅëÇØ ȸ±ÍºÐ¼®À» ½Ç½ÃÇÏ¿© È®·ü°­µÎ°­µµ½ÄÀ» À¯µµÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­ À¯µµµÈ È®·ü°­¿ì°­µµ½ÄÀº ½Ç¹«Â÷¿ø¿¡¼­ ÀÓÀÇ Áö¼Ó±â°£ÀÇ ÀçÇö±â°£º° È®·ü°­¿ì·®À» °£ÆíÇÏ°Ô ±¸ÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
The frequency analyses of annual maximum rainfall data for 22 rainfall gauging stations is Korea were performed. The method of moments (MOM), maximum likelihood (ML), and probability weighted moments (PWM) were used in parameter estimation. The GEV distribution was selected as an appropriate model for annual maximum rainfall data based on parameter validity condition, graphical analysis, separation effect, and goodness of fit tests. For the selected GEV model, spatial analysis was performed and rainfall intensity-duration-frequency equation was derived by using linearization technique. The derived rainfall intensity-duration-frequency equation can be used for estimating rainfall quantiles of the selected stations with convenience and reliability in practice.
 
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È®·ü°­¿ì°­µµ½Ä;¿¬ÃÖ´ë °­¿ì·®;¼±ÇüÈ­ ±â¹ý;Rainfall intensity-duration-frequency equation;annual maximum rainfall;linearization;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.32, no.3, 1999³â, pp.247-254
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911920063113)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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