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Çѱ¹¼öÀÚ¿øÇÐȸ / v.42, no.3, 2009³â, pp.227-234
Monte Carlo ¸ðÀǸ¦ ÀÌ¿ëÇÑ ÁöÁ¡ °£ È®·ü°¡Á߸ð¸àÆ®ÀÇ ±³Â÷»ó°ü°ü°è
( Cross Correlations between Probability Weighted Moments at Each Sites Using Monte Carlo Simulation )
½ÅÈ«ÁØ;Á¤¿µÈÆ;ÇãÁØÇà; ¿¬¼¼´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;¿¬¼¼´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;¿¬¼¼´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇкΠÅä¸ñȯ°æ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ÁöÁ¡ °£ È®·ü°¡Á߸ð¸àÆ®ÀÇ ±³Â÷»ó°ü°ü°è¸¦ ±¸Çϱâ À§ÇØ Monte Carlo ¸ðÀǸ¦ ÀÌ¿ëÇÏ¿© À̸¦ ÁöÁ¡°£ Ç¥º»ÀÚ·áÀÇ ±³Â÷»ó°ü¼º¿¡ ´ëÇÑ °ü°è½ÄÀ¸·Î È®ÀåÇÏ¿© ±Ù»ç°ªÀ» ±¸ÇϰíÀÚ ÇÏ¿´´Ù. ¸ðÀǽÇÇè °á°ú °¢°¢ÀÇ È®·ü°¡Áß ¸ð¸àÆ®°£ ±³Â÷»ó°ü°è¼ö´Â ÁöÁ¡ °£ Ç¥º»ÀÚ·áÀÇ ±³Â÷»ó°ü°è¼ö¿Í ÀÚ·áÅ©±â°¡ µ¿ÀÏÇÏ°í µ¿½Ã°£ ÀÚ·áÀÏ °æ¿ì ±â¿ï±â 1ÀÎ ¼±Çü°ü°è¸¦ º¸À̸ç, ÀÚ·áÅ©±â¿¡ µû¸¥ µ¿½Ã°£ ÀÚ·áÀÇ ºñÀ²ÀÌ ÀÛ¾ÆÁú¼ö·Ï ¼±ÇüÀûÀÎ °ü°è´Â Á¡Á¡ ¾àÇØÁö°Ô µÈ´Ù. µû¶ó¼­ ÀÚ·áÅ©±â¿¡ µû¸¥ ¿µÇâÀ» °í·ÁÇϱâ À§ÇÏ¿© º¸Á¤Ç×À» Ãß°¡ÇÑ Á¦°öÇÔ¼ö½ÄÀ» Á¦½ÃÇÏ¿´À¸¸ç, ÀÌ ½Ä¿¡ ¹ß»ýµÈ ÀڷḦ ÀûÇÕ½ÃÄÑ °¢°¢ÀÇ °æ¿ì¿¡ µû¸¥ ¸Å°³º¯¼ö¸¦ ÃßÁ¤ÇÏ¿´´Ù. ÀÌ °á°ú¸¦ ÀÌ¿ëÇÏ¿© Áö¿ªºóµµÇؼ®ÀÇ ÁöÁ¡ °£ ±³Â÷ »ó°ü¼ºÀ» °í·ÁÇÑ ¼ö¹®ÃßÁ¤·®ÀÇ ºÐ»ê ÃßÁ¤ µîÀÇ ¿¬±¸¿¡ ÀÌ¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î ±â´ëµÈ´Ù.
In this study, cross correlations among sample data at each site are calculated to obtain the asymptotic cross correlations among probability weighted moments at each site using Monte Carlo simulation. As a result, the relations between the asymptotic cross correlations among probability weighted moments and the inter-site dependence among sample data at each site are nearly a linear relation with slope 1. The smaller ratio of concurrent data size to entire sample size is, the weaker the relationship grows. Simple power function which the correction term in power function accounts for the differences of the sample size between two sites was fitted to each case to estimate the parameter. It is noted that this result can be used in the various researches which include the estimation of the variance of quantile considering cross correlations.
 
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Monte Carlo ¸ðÀÇ;±³Â÷»ó°ü°ü°è;È®·ü°¡Á߸ð¸àÆ®;Áö¿ªºóµµÇؼ®;Monte Carlo simulation;cross correlation;probability weighted moment;regional frequency analysis;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.42, no.3, 2009³â, pp.227-234
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200910534718586)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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