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Çѱ¹¼öÀÚ¿øÇÐȸ / v.41, no.6, 2008³â, pp.587-595
Á¦ÇÑÀû °­¿ì-Áö¼Ó±â°£ ÀڷḦ ÀÌ¿ëÇÑ ½Ç¿ëÀû IDF °ü°è½ÄÀÇ À¯µµ
( A Practical Approach Determining an IDF formula with Limited Rainfall-Duration Data Availability )
¼º±â¿ø; °Ç±¹´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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Áö¼Ó±â°£º° °­¿ìÀÚ·áÀÇ º¸À¯¿¬ÇÑÀÌ ÃæºÐÇÏÁö ¾ÊÀº Áö¿ª¿¡µµ ½Ç¿ëÀûÀÎ Àû¿ëÀÌ °¡´ÉÇÑ IDF °ü°è½ÄÀ» À¯µµÇÏ¿´´Ù. ÀÌ °ü°è½ÄÀº µÎ°³ÀÇ ¸ðÇüº¯¼ö¿Í ÀçÇö±â°£À¸·Î ±¸¼ºµÈ ±Ù»ç½ÄÀ¸·Î¼­, Áö¼Ó±â°£º° °­¿ìÀڷḦ ÅëÇÕÇϰí Á¤±ÔÈ­ ÇÏ´Â º¯È¯°úÁ¤À» ÅëÇÏ¿© Åë°èÀûÀ¸·Î À¯µµµÇ¾ú´Ù. °­¿ìÀÚ·áÀÇ º¯È¯À» À§ÇÏ¿© Kruskal-Wallis Åë°è·®°ú Manly º¯È¯À» Àû¿ëÇÏ¿´´Âµ¥ ÀÌ °á°ú ÇØ¼®ÀûÀ¸·Î °£´ÜÇÑ Çü½ÄÀÇ IDF °ü°è½ÄÀ» ¾òÀ» ¼ö ÀÖ¾ú´Ù. ƯÈ÷ º¸À¯ ÀÚ·áÀÇ ¼ö°¡ Á¦ÇÑµÈ °æ¿ì ÁÖ·Î ¹ß»ýÇϴ ªÀº Áö¼Ó±â°£ÀÇ °­¿ì°­µµ°¡ ±ä Áö¼Ó±â°£ÀÇ °­¿ì°­µµ¿¡ ºñÇÏ¿© ÀÛ¾ÆÁö´Â ÀÌ»ó Çö»óÀ» ¿ÏÈ­ÇÒ ¼ö Àִ Ư¡À» º¸¿©ÁÖ¾ú´Ù. ½Ç¹«ÀûÀ¸·Î È¥¶õÀ» ÁÖ°í ÀÖ´Â »êû°ú ¿µÃµÀÇ °­¿ìÀÚ·á¿¡¼­ ¹ß»ýÇÏ´Â ÀÌ»ó Çö»óÀ» ó¸®Çϱâ À§ÇÏ¿© Á¦¾ÈµÈ ¹æ¹ý·ÐÀ» Àû¿ëÇÑ °á°ú ¸¸Á·½º·¯¿î °á°ú¸¦ º¸¿©ÁÖ¾ú´Ù.
In order to aid the derivation of the IDF relationship for a station with insufficient duration-rainfall data, an approach to derive a simple and practical IDF formula is presented. The IDF formula is described simply by the term of the two parameters and a design frequency. The model parameters were estimated from a statistical technique based on the normal distribution of transformed rainfall intensities. In order to give the transformed data, both the Kruskal-Wallis statistic and the Manly transformation of duration-rainfall data were adopted. With the methods, the proposed IDF formula becomes a simpler model that compares well with conventional form. In addition, it allows avoiding an exceptional condition of the higher rainfall intensity for longer duration. The performance of the proposed formula was evaluated by using the limited rainfall data for short duration from two gauge stations. The result showed that the IDF formula developed in this work was an effective tool, providing a reliable relationship between the intensity and duration even though insufficient data are only available.
 
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°­¿ì°­µµ-Áö¼Ó±â°£-¹ß»ýºóµµ°ü°è;Manly º¯È¯;Á¤±ÔºÐÆ÷;Intensity-duration-frequency (IDF);Manly transformation;normal distribution;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.41, no.6, 2008³â, pp.587-595
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200819160171730)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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