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Çѱ¹¼öÀÚ¿øÇÐȸ / v.32, no.4, 1999³â, pp.403-415
¿ì¸®³ª¶ó µµ½Ã¹è¼ö½Ã½ºÅÛ ¼³°è¸¦ À§ÇÑ È®·ü°­¿ì°­µµ½ÄÀÇ À¯µµ
( A Derivation of Rainfall Intensity-Duration-Frequency Relationship for the Design of Urban Drainage System in Korea )
ÀÌÀçÁØ;ÀÌÁ¤½Ä; ±Ý¿À°ø°ú´ëÇб³ °ø°£¡¤»çȸȯ°æ°øÇкΠÅä¸ñ°øÇÐÀü°ø;±Ý¿À°ø°ú´ëÇб³ °ø°£¡¤»çȸȯ°æ°øÇкΠÅä¸ñ°øÇÐÀü°ø;
 
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º» ¿¬±¸¿¡¼­´Â ¿ì¸®³ª¶ó °­¿ì¿¡ ´ëÇÑ ´ëÇ¥ È®·üºÐÆ÷ÇüÀ» °áÁ¤ÇÏ°í °áÁ¤µÈ ´ëÇ¥ È®·üºÐÆ÷Çü¿¡ ÀǰÅÇÏ¿© È®·ü°­¿ì°­µµ½ÄÀ» À¯µµÇÑ´Ù. ºóµµÇؼ®¿¡ ³Î¸® »ç¿ëµÇ´Â 11°³ ºÐÆ÷Çü¿¡ ´ëÇÏ¿© ¸ð¸àÆ®¹ý°ú ÃÖ¿ìÃßÁ¤¹ý ¹× È®·ü°¡Á߸ð¸àÆ®¹ýÀ¸·Î ¸ð¼ö¸¦ ÃßÁ¤Çϰí, ÀûÁ¤¼ºÀÌ ÀÖ´Â ¸ð¼ö¸¦ ´ë»óÀ¸·Î ÀûÇÕµµ °ËÁ¤À» ½Ç½ÃÇÏ¿© Áö¼Ó±â°£º°·Î °¢ ÁöÁ¡ÀÇ ÀûÁ¤ºÐÆ÷ÇüÀ» ±¸ÇÑ´Ù. Àü Áö¿ªÀÇ °­¿ì µ¿Áú¼ºÀ» °ËÁ¤ÇÏ´Â ¹æ¹ýÀ¸·Î ºñ¸ð¼öÀû °ËÁ¤¹æ¹ýÀÎ Mann-Whitney °ËÁ¤°ú Kruskal-Walls °ËÁ¤À» ½Ç½ÃÇÏ¿© ¿ì¸®³ª¶ó Àü¿ªÀ» ´ëÇ¥ÇÒ ¼ö ÀÖ´Â ´ëÇ¥ ÀûÁ¤ºÐÆ÷ÇüÀ» ±¸ÇÑ´Ù, °­¿ìÀÇ µ¿Áú¼º °ËÁ¤À» ½Ç½ÃÇÑ °á°ú, ¿ì¸®³ª¶ó Àü¿ªÀ» ´ëÇ¥ÇÒ ¼ö ÀÖ´Â ÀûÁ¤ºÐÆ÷ÇüÀ» ¼±Á¤ÇÒ ¼ö ¾ø¾úÀ¸¸ç, 12°³ Áö¼Ó±â°£¿¡ ´ëÇÏ¿© °­¿ìÀÇ µ¿Áú¼ºÀÌ ÀÖ´Â ¿©·¯ °³ÀÇ ±Ç¿ªÀ¸·Î ±¸ºÐÇÏ¿© ±Ç¿ªº° ´ëÇ¥ È®·üºÐÆ÷ÇüÀ» °áÁ¤ÇÏ¿´´Ù. I,II,V ±Ç¿ª¿¡¼­´Â GEV ºÐÆ÷,III,IV ±Ç¿ª¿¡¼­´Â TypeIII ±ØÂ÷ºÐÆ÷°¡ ´ëÇ¥ ÀûÁ¤ºÐÆ÷ÇüÀ¸·Î ¼±Á¤µÇ¾úÀ¸¸ç, ÀÌµé ´ëÇ¥ ÀûÁ¤ºÐÆ÷ÇüÀ¸·ÎºÎÅÍ ¾ò¾îÁø È®·ü°­¿ì·®À» ÀÌ¿ëÇÏ¿© È®·ü°­¿ì°­µµ½ÄÀ» À¯µµÇÏ¿´´Ù.
This study is to derive the rainfall intensity formula based on the representative probability distribution in Korea. The 11 probability distributions which has been widely used in hydrologic frequency analysis are applied to the annual maximum rainfall. The parameters of each probability distribution are estimated by method of moments, maximum likelihood method and method of probability weighted moments. Four tests such as $x^2$-test, Kolmogorv-Smirnov test, difference test and modified difference test are used to determine the goodness of fit of the distributions. The homogeneous tests (Mann-Whitney U test, Kruskal-Wallis one-way analysis of variance of nonparametric test) are applied to find the stations with rainfall homogeneity. The results of homogeneous tests show that there is no representative appropriate distribution for the whole duration in Korea. The whole region could be divided into five zones for 12-durations. The representative probability distribution of each divided zone for 12-durations was determined. The GEV distribution for I,II,V zones and the 3-parameter Weibull distribution for III,IV zones were determined as the representative probability distribution. The rainfall were obtained from representative probability distribution for the selected return periods. Rainfall intensity formula was determined by linearization technique for the rainfall.
 
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¸ð¼ö ÃßÁ¤;µ¿Áú¼º °ËÁ¤;´ëÇ¥ È®·üºÐÆ÷Çü;È®·ü°­¿ì°­µµ½Ä;parameter estimation;homogeneity test;representative probability distribution;rainfall intensity formula;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.32, no.4, 1999³â, pp.403-415
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911920063175)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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