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Çѱ¹¼öÀÚ¿øÇÐȸ / v.41, no.3, 2008³â, pp.251-264
ºñµ¿Áú¼º Markov ¸ðÇüÀÇ ½Ã°£°­¼ö·® ¸ðÀÇ ¹ß»ýÀ» ÀÌ¿ëÇÑ IDF °î¼± ¹× È«¼öºóµµ°î¼±ÀÇ À¯µµ
( Derivation of Intensity-Duration-Frequency and Flood Frequency Curve by Simulation of Hourly Precipitation using Nonhomogeneous Markov Chain Model )
ÃÖº´±Ô;¿Àż®;¹Ú·¡°Ç;¹®¿µÀÏ; ¼­¿ï½Ã¸³´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;¼­¿ï½Ã¸³´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;(ÁÖ) »ï¾È ¼ö·ÂºÎ;¼­¿ï½Ã¸³´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ºñµ¿Áú¼º Markov ¸ðÇüÀ» ÀÌ¿ëÇÑ ½Ã°£°­¼ö·®ÀÇ ¸ðÀǹ߻ýÀ» ¼öÇàÇÏ¿´´Ù. Áï, ´ë»óÀ¯¿ªÀ» ¼±Á¤ÇÏ°í ½Ã°£°­¼ö·®À» ¸ðÀÇÇÏ¿©, ¸ðÀÇµÈ ½Ã°£°­¼ö·®À» ÀÌ¿ëÇÑ È®·ü°­¼ö·® ¹× È®·üÈ«¼ö·®À» »êÁ¤ÇÏ¿© °üÃøÀÚ·á¿Í ºñ±³ÇÔÀ¸·Î½á ºñµ¿Áú¼º Markov ¸ðÇüÀÇ Àû¿ë¼ºÀ» Æò°¡ÇÏ¿´´Ù. ¸ðÀǹ߻ýµÈ °­¼öÀÚ·á¿Í °üÃø°­¼öÀÚ·áÀÇ Åë°èÀû Ư¼ºÀº ¸Å¿ì À¯»çÇÑ °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ƯÈ÷ ¸ðÀdzâ¼ö°¡ Áõ°¡ÇÒ¼ö·Ï ±ØÄ¡°ªÀÌ Áõ°¡ÇÏ´Â °æÇâÀ» ³ªÅ¸³Â´Ù. ¶ÇÇÑ, ¸ðÀÇÀڷḦ ÀÌ¿ëÇØ »êÁ¤ÇÑ È®·üÈ«¼ö·®Àº °üÃø°­¼ö·®À» ÀÌ¿ëÇØ »êÁ¤ÇÑ °á°úº¸´Ù Å« ÀçÇö±â°£¿¡¼­ °üÃøÀ¯ÀÔ·® ÀڷḦ ºóµµÇؼ®ÇÏ¿© »êÁ¤ÇÑ È®·üÈ«¼ö·®°ú ´õ ±Ù»çÇÑ °á°ú¸¦ º¸¿´´Ù. µû¶ó¼­, ºñµ¿Áú¼º Markov ¸ðÇüÀ» ÀÌ¿ëÇÏ¿© º¸´Ù ½Å·Ú¼º ÀÖ´Â ¼ö°ø±¸Á¶¹°ÀÇ ¼³°è¼ö¹®·® »êÁ¤ µî¿¡ ¸¹ÀÌ È°¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÇ¸ç ¼öÀÚ¿ø °³¹ß½Ã ºÒÈ®½Ç¼º ºÐ¼®À» À§ÇÑ ÀÔ·Â ÀÚ·áÀÎ °­¼öÀÚ·á·Îµµ Ȱ¿ëÀÌ °¡´ÉÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
In this study, a nonhomogeneous markov model which is able to simulate hourly rainfall series is developed for estimating reliable hydrologic variables. The proposed approach is applied to simulate hourly rainfall series in Korea. The simulated rainfall is used to estimate the design rainfall and flood in the watershed, and compared to observations in terms of reproducing underlying distributions of the data to assure model's validation. The model shows that the simulated rainfall series reproduce a similar statistical attribute with observations, and expecially maximum value is gradually increased as number of simulation increase. Therefore, with the proposed approach, the non-homogeneous markov model can be used to estimate variables for the purpose of design of hydraulic structures and analyze uncertainties associated with rainfall input in the hydrologic models.
 
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ÇٹеµÇÔ¼ö;¸¶ÄÚÇÁ ¸ðÇü;È«¼öºóµµ°î¼±;½Ã°£°­¼ö·® ¸ðÀÇ;Kernel density function;Markov model;Flood Frequency Curve;Hourly Precipitation simulation;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.41, no.3, 2008³â, pp.251-264
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200814256113760)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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ȸ»ç¼Ò°³ ±¤°í¾È³» ÀÌ¿ë¾à°ü °³ÀÎÁ¤º¸Ãë±Þ¹æÄ§ Ã¥ÀÓÀÇ ÇѰè¿Í ¹ýÀû°íÁö À̸ÞÀÏÁÖ¼Ò ¹«´Ü¼öÁý °ÅºÎ °í°´¼¾ÅÍ
   

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