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Çѱ¹¼öÀÚ¿øÇÐȸ / v.41, no.9, 2008³â, pp.873-884
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( Rainfall Quantile Estimation Using Scaling Property in Korea )
Á¤¿µÈÆ;±è¼ö¿µ;±èżø;ÇãÁØÇà; ¿¬¼¼´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇкÎ;¿¬¼¼´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇкÎ;¿¬¼¼´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇкΠBK21;¿¬¼¼´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇкÎ;
 
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º» ¿¬±¸¿¡¼­´Â ¼­·Î ´Ù¸¥ Áö¼Ó±â°£À» °¡Áö´Â °­¿ìÀÚ·á°£ÀÇ ½ºÄÉÀÏ ¼ºÁúÀ» ÀÌ¿ëÇÏ¿© È®·ü°­¿ì·®À» ÃßÁ¤ÇÏ´Â ¹æ¹ýÀ» ¾Ë¾Æº¸°í, ±¹³» °­¿ìÀÚ·á¿¡ ´ëÇØ¼­ ±× Àû¿ë¼ºÀ» »ìÆìº¸°íÀÚ ÇÏ¿´´Ù. ±â»óû ÁöÁ¡Áß¿¡¼­ ±â·Ï±â°£ÀÌ ºñ±³Àû Àå±â°£ÀÎ 22°³ ÁöÁ¡¿¡ ´ëÇØ¼­ ÁöÁ¡ºóµµÇؼ®À» ÅëÇÑ È®·ü°­¿ì·®°ú ½ºÄÉÀÏ ¼ºÁúÀ» Ȱ¿ëÇÑ È®·ü°­¿ì·®°£ÀÇ Á¤È®µµ¸¦ ºñ±³ÇØ º» °á°ú, ½Ã°£´ÜÀ§ÀڷḦ »ç¿ëÇÒ °æ¿ì ´ëºÎºÐ Àý´ë»ó´ë¿ÀÂ÷°¡ 10 % ¹Ì¸¸ÀÎ °á°ú¸¦ ¾òÀ» ¼ö ÀÖ¾ú°í, °¢°¢ÀÇ Áö¼Ó ±â°£º°·Î Àû¿ë°¡´ÉÇÑ ÀçÇö±â°£À» »ìÆìº» °á°ú ¿¬±¸¿¡ »ç¿ëµÈ ÃÑ 14°³ÀÇ ÀçÇö±â°£ Áß¿¡¼­ ´ëºÎºÐ 8°³ ÀÌ»óÀÇ ÀçÇö±â°£¿¡ ´ëÇØ¼­ Àû¿ëÀÌ °¡´ÉÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. Àû¿ë¿¹·Î¼­ ´ë±¸ÁöÁ¡ÀÇ Áö¼Ó±â°£ 1½Ã°£ °­¿ìÀڷḦ ¹ÙÅÁÀ¸·Î Áö¼Ó±â°£ 10ºÐ${sim}$50ºÐ±îÁöÀÇ È®·ü°­¿ì·®ÀڷḦ ½ºÄÉÀÏ ¼ºÁúÀ» ÀÌ¿ëÇÏ¿© »êÁ¤ÇÑ °á°ú Áö¼Ó±â°£ 10ºÐÀ» Á¦¿ÜÇϰí´Â ¸ðµÎ Àý´ë»ó´ë¿ÀÂ÷ 10 % ³»¿ÜÀÇ Á¤È®µµ¸¦ °¡Áö´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. µû¶ó¼­ ½ºÄÉÀÏ ¼ºÁúÀ» ÀÌ¿ëÇÏ¿© ¹Ì°èÃø °­¿ìÁö¼Ó±â°£ÀÇ È®·ü°­¿ì·®À» ÃßÁ¤ÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
In this study, rainfall quantile was estimated using scale invariance property of rainfall data with different durations and the applicability of such property was evaluated for the rainfall data of South Korea. For this purpose, maximum annual rainfall at 22 recording sites of Korea Meteorological Administration (KMA) having relatively long records were used to compare rainfall quantiles between at-site frequency analysis and scale invariance property. As the results, the absolute relative errors of rainfall quantiles between two methods show at most 10 % for hourly rainfall data. The estimated quantiles by scale invariance property can be generally applied in the 8 of 14 return periods used in this study. As an example of down-scaling method, rainfall quantiles of $10{sim}50$ minutes duration were estimated by scale invariance property based on index duration of 1 hour. These results show less than 10 % of absolute relative errors except 10 minutes duration. It is found that scale invariance property can be applied to estimate rainfall quantile for unmeasured rainfall durations.
 
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½ºÄÉÀÏ ¼ºÁú;½ºÄÉÀÏ Áö¼ö;È®·ü°­¿ì·®;°­¿ìÀÚ·á;scaling property;scaling exponent;quantile;rainfall data;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.41, no.9, 2008³â, pp.873-884
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200828955287922)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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