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Çѱ¹¼öÀÚ¿øÇÐȸ / v.35, no.5, 2002³â, pp.583-595
°¡¹³°ü¸®¸¦ À§ÇÑ ¼ö¹®ÇÐÀû ÀÇ»ç°áÁ¤¿¡ °üÇÑ ¿¬±¸ : 1. ¸¶ÄÚÇÁ¿¬¼â¸¦ ÀÌ¿ëÇÑ PDSIÀÇ Ãß°èÇÐÀû °Åµ¿ºÐ¼®
( A Study on the Hydrologic Decision-Making for Drought Management : 1. An Analysis on the Stochastic Behavior of PDSI using markov chain )
°­ÀÎÁÖ;À±¿ë³²; ¢ß´ë°æ ENC;°í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ¿ù Palmer °¡¹³½ÉµµÁö¼ö(PDSI)¸¦ »êÁ¤ÇÏ¿© ¸ñÇ¥Áö¿ªÀ» Áß½ÉÀ¸·Î °¡¹³ °ü¸® ¹× °¨½Ã¸¦ ¼öÇàÇϰíÀÚ ÇÏ¿´À¸¸ç, ÀÌ¿¡ ÀÌ¿ëÇÑ ÀÚ·á´Â 1906³âºÎÅÍ 1999³â±îÁö 94°³³âÀÇ ¸ñÆ÷±â»ó´ë ÀڷḦ ÀÌ¿ëÇÏ¿´´Ù. ¿ù Palmer Áö¼ö¸¦ 7°³ÀÇ Ãß°èÇÐÀû µî±ÞÀ¸·Î ºÐ·ùÇÏ°í ¸¶ÄÚÇÁ¿¬¼â(markov chain)¸¦ ÀÌ¿ëÇØ ¿ùÀüÀÌÈ®·üÀ» »êÁ¤ÇÔÀ¸·Î½á µ¿ÀûÀÎ È®·üº¯È­¸¦ »ìÆìº¸°íÀÚ ÇÏ¿´À¸¸ç, °¡¹³ÀÇ Á¤»ó»óÅÂÈ®·ü ¶ÇÇÑ »êÁ¤ÇÏ¿´´Ù. º» ¿¬±¸¸¦ ÅëÇÏ¿© Àüü 7µî±Þ Áß °¡Àå ÀÚÁÖ ¹ß»ýÇÏ´Â µî±ÞÀº 4µî±ÞÀ¸·Î ¾à 49.6%ÀÇ ¹ß»ýȽ¼ö·Ð ±â·ÏÇÏ¿´À¸¸ç °¡Àå ±Ø½ÉÇÑ 7µî±ÞÀÇ °¡¹³¿¡¼­´Â °æÇèÀû È®·üº¸´Ù Ãß°èÇÐÀû ºÐ¼® È®·üÀÌ ´Ù¼Ò Ä¿Áö´Â °æÇâÀ» ³ªÅ¸³»¾ú´Ù. ¶ÇÇÑ, ¿ù Á¤»ó»óÅÂÈ®·üÀº Àå·¡ ´ë»óÁö¿ªÀÇ °¡¹³ÀÇ Å©±â º¯È­ ¾ç»óÀ» ¿¹ÃøÇϴµ¥ ÀÌ¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù.
The purposes of this study are to perform the management and monitoring of droughts for Mokpo area via the monthly Palmer index(PDSI), the data is obtained from the Mokpo meteorological station, and the used data are in the period of 1906 to 1999. Monthly Palmer index is classified into 7 stochastic classes and its dynamic change of monthly transition probability estimated by Markov chain is investigated. We also estimate the steady state probability of the classified PDSI. The 4th class shows the highest frequency of 49.6% out of 7 classes and the 7th class which is the most extreme drought show that a stochastic transition probability is more or less larger than an empirical one. Also, we found that the monthly steady state probability could be used for the forecasting of changing pattern of drought magnitude for the study area.
 
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ÆÈ¸Ó°¡¹³½ÉµµÁö¼ö;°¡¹³;¸¶ÄÚÇÁ¿¬¼â;PDSI;drought;markov chain;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.35, no.5, 2002³â, pp.583-595
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200211921445043)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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