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Çѱ¹¼öÀÚ¿øÇÐȸ / v.28, no.5, 1995³â, pp.191-203
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ÇѰ °í¾ÈÁöÁ¡ÀÇ È«¼öÀ§ ȯ»ê°ú È«¼ö ºóµµÇؼ®
( Conversion of Flood Level and Flood Frequency Analysis for Goan Station in Han River ) |
| À̽ÂÀç;¼±Ô¿ì; ¿¬¼¼´ëÇб³ »ê¾÷±â¼ú¿¬±¸¼Ò ¿¬±¸¿ø;¿¬¼¼´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú ¹Ú»ç°úÁ¤, ¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú Á¶±³¼ö, ¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú;
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| º» ¿¬±¸¿¡¼´Â ÇѰÀÇ ÁÖ¿ä ¼öÀ§°üÃøÁöÁ¡Áß ÇϳªÀÎ ÆÈ´ç´ï ÇÏ·ù °í¾ÈÁöÁ¡ÀÇ °ú°Å ¿¬ÃÖ´ë È«¼öÀ§ÀڷḦ 1994³â ´Ü¸éÀ» ±âÁØÀ¸·Î È«¼öÀ§¸¦ ȯ»êÇϰí È«¼ö ºóµµÇؼ®À» ÅëÇÏ¿© È®·üÈ«¼ö·®À» »êÁ¤ÇÏ¿´´Ù. °ú°Å È«¼öÀ§ÀÚ·á¿¡ ´ëÇÑ Çö ÇÏ»ó»óÅ¿¡¼ÀÇ È¯»ê¼öÀ§¸¦ ±¸Çϱâ À§Çؼ ÃÖ±Ù¿¡ »õ·Ó°Ô È®¸³µÈ ¼öÀ§-À¯·® °ü°è°î¼±À» ÀÌ¿ëÇÏ¿´´Ù. ±â¿ÕÀÇ ¿¬ÃÖ´ë È«¼ö·®ÀڷḦ ±âº»ÀÚ·á·Î ÇÏ¿© ¼ö¹®Çؼ®¿¡¼ ¸¹ÀÌ ÀÌ¿ëµÇ°í ÀÖ´Â 10°³ÀÇ È®·üºÐÆ÷ÇüÀ» °¡Áö°í, È®·ü°¡Áß ¸ð¸àÆ®¹ý¿¡ ÀÇÇØ ¸Å°³º¯¼ö¸¦ ÃßÁ¤Çϰí, ÀûÇÕµµ °ËÁ¤À» ÇÑ °á°ú gamma-2, gamma-3 ºÐÆ÷ÇüÀÌ ÃÖÀûºÐÆ÷ÇüÀÎ °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ºóµµÇؼ®À» ÅëÇØ ÀçÇö±â°£º°·Î È®·üÈ«¼ö·® ¹× È®·üÈ«¼öÀ§¸¦ »êÁ¤ÇÏ¿´´Ù. ¶ÇÇÑ, °áÃøµÈ ÀڷḦ º¸¿ÏÇϱâ À§ÇÏ¿© °ú°Å È«¼öÁ¤º¸¸¦ ÀÌ¿ëÇÏ´Â ±â¹ýÀ» »ç¿ëÇÏ¿© ±â¿ÕÀÇ È«¼ö·®¿¡ ´ëÇÑ ºóµµÇؼ®À» ½Ç½ÃÇÏ¿© È®·üºÐÆ÷Çü¿¡ ÀÇÇÑ »êÁ¤°ª°ú ºñ±³ÇÏ¿´´Ù. |
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| In this study, the past flood levels of Goan station, which is one of major gaging stations and located at downstream of Paldang dam, were converted based on the 1994's cross section and the flood quantiles were estimated from flood frequency analysis. The recently established rating curve was used to convert flood levels. And the parameters of the several probability distributions commonly used in hydrologic analysis were estimated based on the method of probability weighted moments and the goodness of fit tests were applied to those distributions. As a result, the gamma-2 and gamma-3 distributions were selected as the appropriate models. The flood lovels and quantiles for selected return periods were calculated based on those distributions. Furthermore, frequency analysis using historical flood information was performed to overcome the misleading caused by missing data. |
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.28, no.5, 1995³â, pp.191-203
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511920096270)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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