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Çѱ¹¼öÀÚ¿øÇÐȸ / v.42, no.9, 2009³â, pp.725-736
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À̺¯·® Gumbel È¥ÇÕ¸ðÇüÀ» ÀÌ¿ëÇÑ È«¼ö½Éµµ Æò°¡
( Evaluation of Flood Severity Using Bivariate Gumbel Mixed Model ) |
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| È«¼ö»ç»óÀº Å©°Ô ÷µÎÈ«¼ö·®, È«¼ö¿ëÀû, Áö¼Ó±â°£ µî°ú °°Àº ¼·Î »ó°üµÈ ¼¼ °¡ÁöÀÇ ¿ä¼Ò·Î Á¤ÀÇµÉ ¼ö ÀÖ´Ù. ±×·¯³ª ±×µ¿¾È ¼ö°øÇÐÀû °èȹÀ̳ª ¼³°è, ¿î¿µ µîÀ» À§ÇÑ È«¼öºóµµÇؼ®¿¡¼´Â ÁַΠ÷µÎÈ«¼ö·® ÇѰ¡Áö ¿ä¼Ò¿¡ ÃÊÁ¡À» ¸ÂÃß¾î È«¼öºóµµÇؼ®À» ¼öÇàÇØ ¿Ô´Ù. ÀÌ·¯ÇÑ ´Üº¯·® È«¼öºóµµÇؼ®Àº ¼·Î »ó°üµÈ È«¼ö»ç»ó »çÀÌÀÇ º¹ÀâÇÑ È®·üÀû °Åµ¿À» ºÐ¼®ÇÏ´Â µ¥ ÀÖ¾î ÇѰ踦 °¡Áö°í ÀÖ´Ù. µû¶ó¼, º» ¿¬±¸¿¡¼´Â Gumbel È¥ÇÕ¸ðÇüÀ» ÀÌ¿ëÇÑ À̺¯·® È«¼öºóµµÇؼ®À» ¼öÇàÇÏ¿© È«¼ö½Éµµ¸¦ Æò°¡ÇÏ´Â ¹æ¾ÈÀ» Á¦½ÃÇÏ¿´´Ù. ¼Ò¾ç°´ïÀÇ 35°³³â ÀÏÀ¯ÀÔ·® ÀÚ·á¿Í ´ëû´ïÀÇ 28°³³â ÀÏÀ¯ÀÔ·®ÀÚ·á¿¡ ´ëÇØ °¢°¢ÀÇ È«¼ö»ç»óÀ» ºÐ¸®Çϰí, ºÐ¸®ÇÑ È«¼ö»ç»ó¿¡ ´ëÇØ ÷µÎÈ«¼ö·®°ú È«¼ö¿ëÀû »çÀÌÀÇ °áÇÕºÐÆ÷¿Í °áÇÕÀçÇö±â°£ µîÀ» µµÃâÇÏ¿´´Ù. ¶ÇÇÑ ÀÌ·¯ÇÑ À̺¯·® È«¼öºóµµÇؼ®¿¡ ÀÇÇØ µµÃâµÈ È«¼ö Ư¼ºÀ» ´Üº¯·® È«¼öºóµµÇؼ®ÀÇ °á°ú¿Í ºñ±³ÇÔÀ¸·Î½á, È«¼ö½Éµµ Æò°¡¿¡ ÀÖ¾î À̺¯·® È«¼öºóµµ ÇØ¼®±â¹ýÀÇ Àû¿ë¼º¿¡ °üÇÏ¿© °ËÅäÇÏ¿´´Ù. |
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| A flood event can be defined by three characteristics; peak discharge, total flood volume, and flood duration, which are correlated each other. However, a conventional flood frequency analysis for the hydrological plan, design, and operation has focused on evaluating only the amount of peak discharge. The interpretation of this univariate flood frequency analysis has a limitation in describing the complex probability behavior of flood events. This study proposed a bivariate flood frequency analysis using a Gumbel mixed model for the flood evaluation. A time series of annual flood events was extracted from observations of inflow to the Soyang River Dam and the Daechung Dam, respectively. The joint probability distribution and return period were derived from the relationship between the amount of peak discharge and the total volume of flood runoff. The applicability of the Gumbel mixed model was tested by comparing the return periods acquired from the proposed bivariate analysis and the conventional univariate analysis. |
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| Ű¿öµå |
| Gumbel È¥ÇÕ¸ðÇü;À̺¯·® È«¼öºóµµÇؼ®;È«¼ö½Éµµ Æò°¡;Gumbel mixed model;Bivariate flood frequency analysis;Flood evaluation; |
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.42, no.9, 2009³â, pp.725-736
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200927941501033)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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