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Çѱ¹¼öÀÚ¿øÇÐȸ / v.23, no.1, 1990³â, pp.99-107
¿ùÀ¯·®¿¡ ´ëÇÑ ÀϺ¯·® ¹× ´Ùº¯·® AR¸ðÇüÀÇ ºñ±³
( A Comparison of Univariate and Multivariate AR Models for Monthly River Flow Series )
ÀÌ¿øÈ¯;½ÉÀçÇö; ¿¬¼¼´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;¿¬¼¼´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;
 
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¼öÀÚ¿ø °³¹ß°èȹ ¹× ¸ñ°ø±¸Á¶¹°ÀÇ ÇÕ¸®Àû ¼³°è¸¦ À§Çؼ­´Â °ú°ÅÀÇ ¼ö¹®°üÃøÀÚ·á¿¡ ÀǰÅÇÑ ÇØ¼®ÀÌ ÇÊ¿äÇϸç, ÀϹÝÀûÀÎ ¼ö¹®Çö»óÀº ¹«ÀÛÀ§ÀûÀÎ ÀÎÀÚ°¡ Æ÷ÇԵDZ⠶§¹®¿¡ À̸¦ °í·ÁÇÑ Åë°èÀû ±â¹ý, Áï Ãß°èÇÐÀû ÇØ¼®±â¹ýÀÌ ÇÊ¿äÇÏ´Ù°í ÇϰڴÙ. º» ¿¬±¸¿¡¼­´Â ³²ÇѰ­ »ó·ùÀÇ µ¿ÀÏÀ¯¿ª 4°³ ÁöÁ¡(´Ü¾ç, Á¤¼±, ¿µ¿ù, Æòâ)ÀÇ ¿ùÀ¯·® ÀڷḦ ÀϺ¯·® AR(1), AR(2)¸ðÇü°ú ´Ùº¯·® AR(1), AR(2)¸ðÇü¿¡ Àû¿ëÇÏ¿© °¢ ¸ðÇüÀÇ Åë°èÀû Ư¼ºÄ¡¸¦ ºÐ¼®Çϰí, ¿ùÀ¯·®À» ¸ðÀǹ߻ý½ÃÄÑ, ÀϺ¯·® ¸ðÇü°ú ´Ùº¯·® ¸ðÇüÀ» ºñ±³ÇÏ¿´´Ù. °¢°¢ÀÇ ¸ðÇü¿¡ ÀÇÇÑ ¸ðÀǹ߻ý °è¿­ÀÇ ºñ±³, ºÐ¼®À» ÅëÇÏ¿© º¼ ¶§, ´ÜÀÏÁöÁ¡¸¸À» °í·ÁÇÏ´Â ÀϺ¯·® ¸ðÇü¿¡ ºñÇØ ÁöÁ¡°£ÀÇ °ø¼±Çü¼ºÀ» °í·ÁÇÏ´Â ´Ùº¯·® ¸ðÇüÀÌ µ¿ÀÏÀ¯¿ªÀÇ ¿ùÀ¯·® ÇØ¼®¿¡ À־ ´õ ÀûÇÕÇÔÀ» ¾Ë ¼ö ÀÖ¾ú´Ù.
The statistical analysis based on the past hydrologic data required to set up the water resources development plan and design the hydraulic structres rationally. Because hydrologic events have random factors implied, the sotchastic analysis is necessary. In this paper, same order of stochastic models of monthly runoff data(multivariate AR(1) and AR(2) models, univariate AR(1) and AR(2) models) are applied to compare the statistical characteristics. The other purpose of this paper is to compare the monthly series, which is generated by univariate and multivariate models. By comparing and estimating of each simulated series, it is known that the multivariate models, including the time and spatial colinearity, are better in prediction than univariate models in the analysis of monthly flow at south Han river basin.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.23, no.1, 1990³â, pp.99-107
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199011920093067)
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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