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Çѱ¹¼öÀÚ¿øÇÐȸ / v.26, no.3, 1993³â, pp.113-124
2´Ü°è ÃßÀ̸ðÇü¿¡ ÀÇÇÑ ±Ý°­Çϱ¸È£ÀÇ °ø¼öµµ´Þ½Ã°£ÀÇ Æò°¡
( An Evaluation of the Emptiness Passage Time of the Kuemgang Estuary Reservoir by Two-Step Transition Model )
ÀÌÀçÇü;Á¤¸¸; ÀüºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;¿©¼ö¼ö»ê´ëÇÐ ÇØ¾çÅä¸ñ°øÇаú;
 
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º» ¿¬±¸´Â ±Ý°­Çϱ¸È£ÀÇ ¿î¿µÁ¤Ã¥À» È¿À²ÀûÀ¸·Î ¼ö¸³ÇÒ ¼ö ÀÖµµ·Ï, 2´Ü°è ÃßÀ̸ðÇüÀ¸·ÎºÎÅÍ Àú¼öÁö Á¤»óºÐÆ÷¿Í °ø¼öµµ´Þ½Ã°£À» Æò°¡ÇÏ´Â µ¥ ÀÖ´Ù. À̸¦ À§Çؼ­ Àú¼ö·®°ú À¯·®ÀÇ °áÇÕºÐÆ÷¿¡ ÀÌ»ê Markov°úÁ¤À» µµÀÔÇÏ¿´À¸¸ç, Àú¼öÁö À¯ÀÔ·® ºÐÆ÷·Î´Â ÀÌÇ×ºÐÆ÷¸¦ ÀÌ¿ëÇÏ¿´´Ù. °è»ê°á°ú, ´ëû´ï °Ç¼³ÀÌÀüÀÎ 1952³âºÎÅÍ 1980³â À¯·®ÀÚ·á·ÎºÎÅÍ °¥¼ö½Ã Àڱ⠻ó°ü°è¼öÀÇ µµÀÔ¿¡ µû¸¥ Àú¼öÁö Á¤»óºÐÆ÷ÀÇ °ø¼öÈ®·üÀº 0.952¿¡¼­ 0.904·Î °¨¼ÒÇϸç, ´ëû´ï °Ç¼³ÀÌÈÄÀÎ 1981-1989³â±îÁö´Â Àú¼öÁö Á¤»óºÐÆ÷ÀÇ °ø¼öÈ®·üÀº 0.900¿¡¼­ 0.829·Î °¨¼ÒÇÏ¿´´Ù. ÇÑÆí Æò±Õ°ø¼öµµ´Þ½Ã°£Àº Ãʱâ Àú¼ö·®ÀÌ 1´ÜÀ§¿¡¼­ ´ï°Ç¼³ÀüÀº 23ÀÏ¿¡¼­ 37ÀÏ·Î Áõ°¡Çϸç, °Ç¼³ÈÄ´Â 29ÀÏ¿¡¼­ 61ÀÏ·Î Áõ°¡ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÀÌ´Â ºñ±³Àû ¿ë·®ÀÌ ÀûÀº ±Ý°­Çϱ¸È£¿¡¼­ Àú¼öÀ²ÀÌ ³·À» ¶§ Á¤»óºÐÆ÷, °ø¼öµµ´Þ½Ã°£ µîÀÌ Àú¼öÁö À¯ÀÔ·®ÀÇ ÀÚ±â»ó°ü°è¼ö¿¡ µû¶ó º¯È­ÇÔÀ» ¾Ë ¼ö ÀÖ´Ù. µû¶ó¼­ °¥¼ö½Ã °¨°­Çϱ¸È£ÀÇ È¿À²ÀûÀÎ À̼ö°ü¸®¸¦ À§Çؼ­´Â À¯ÀÔ·®ÀÇ ÀÚ±â»ó°ü¼ºÀ» °í·ÁÇØ¾ß ÇÑ´Ù.
This study aims at the evaluation of the stationary distribution and the emptiness passage time for the effectiveness of water utility in the Keumgang estuary reservoir by two-step transition model. It was taken discrete Markovian correlated inflows for the joint probability of inflows and storage, and was used binomial distribution for inflows distribution. As the results, it was decreased from 0.952 to 0.904 the emptiness probability of the reservoir stationary distribution during 1952-1980, and from 0.900 to 0.829 during 1981-1989, and the average emptiness passage time was increased from 23 days to 37 days during 1952-1980, and from 29 days to 61 days during 1981-1989 at low state of storage. From this, it is found that the emptiness passage time is varied with the increase of the inflows auto-correlation coefficient in the Keumgang estuary reservoir. Therefore, it is understood that auto-correlation coefficient must be taken into consideration for the evaluation of water utility in a small reservoir at drought time.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.26, no.3, 1993³â, pp.113-124
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199311920094584)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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