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Çѱ¹¼öÀÚ¿øÇÐȸ / v.25, no.2, 1992³â, pp.89-97
È«¼ö ºóµµ ¿¹ÃøÀ» À§ÇÑ Åë°èÇÐÀû ¸ðÇü
( The Statistical Model for Predicting Flood Frequency )
³ëÀç½Ä;À̱æÃá; °æÈñ´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;°æÈñ´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸´Â ÇѰ­À¯¿ª³» ¼öÀ§Ç¥ÁöÁ¡ Áß¿¡¼­ ´ï¿¡ ÀÇÇÑ ÀÎÀ§Àû À¯·® Á¶ÀÛÀ» ¹ÞÁö ¾Ê´Â ÀÚ¿¬ÇÏõÀ¯¿ª¿¡¼­ÀÇ ÁöÁ¡µéÀ» ´ë»óÀ¸·Î È«¼öºóµµ¿¹ÃøÀ» À§ÇÑ Åë°èÇÐÀû ¸ðÇüÀÇ Àû¿ë¼ºÀ» ºñ±³ °ËÅäÇÏ¿´°í ±× °á°ú Àû¿ë °¡´ÉÇÑ °ÍÀ¸·Î ÀÔÁõÇÏ¿´´Ù. ¶ÇÇÑ È«¼öºóµµ¸ðÇü¿¡ ÀÇÇÑ È«¼öÃßÁ¤·®À¸·Î ºÎÅ͸ðÇüÀÇ Åë°èÇÐÀû È¿¿ë¼ºÀ» °ËÅäÇÑ °á°ú, ´Ü ±â°£ ±â·Ï³â¼öÀÇ ÀÚ·á¿¡¼­ À¯¿ëÇÑ ºÎºÐ±â°£Ä¡°è¿­ ¹æ¹ý¿¡ ÀÇÇÑ POT¸ðÇüÀÌ ¿¬ÃÖ´ëÄ¡°è¿­ ¹æ¹ý¿¡ ÀÇÇÑ ANNMAXÇüº¸´Ù È¿°úÀûÀÓÀÌ ÆÇ¸íµÇ¾ú´Ù.
This study is to verify the applicability of statistical models for predicting flood frequency at the stage gaging stations selected by considering whether the flow is natural condition in the Han River basin. From the result of verification, this statistical flood frequency models showed that is fairly reasonable to apply in practice, and also were compared with sampling variance to calibrate the statistical dfficiency of the estimate of the T year flood Q(T) by two different flood frequency models. As a result, it was showed that for return periods greater than about T=10 years the annual exceedence series estimate of Q(T) has smaller sampling variance than the annual maximum series estimate. It was showed that for the range of return periods the partial duration series estimate of Q(T) has smaller sampling varianed than the annual maximum series estimate only if the POT model contains at least 2N(N:record length)items or more in order to estimate Q(T) more efficiently than the ANNMAX model.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.25, no.2, 1992³â, pp.89-97
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199211920094051)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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