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Çѱ¹¼öÀÚ¿øÇÐȸ / v.32, no.6, 1999³â, pp.627-636
Áö±¸¿Â³­È­¿¡ µû¸¥ È«¼ö ¹× °¡¹³ ¹ß»ýºóµµÀÇ º¯È­¿Í °ü·ÃÇÏ¿© : 2. Áö±¸ ¿Â³­È­¿¡ µû¸¥ Àϰ­¼ö·® ºÐÆ÷ÀÇ º¯È­ ÃßÁ¤
( On the Change of Flood and Drought Occurrence Frequency due to Global Warming : 2. Estimation of the Change in Daily Rainfall Depth Distribution due to Global Warming )
À±¿ë³²;À¯Ã¶»ó;ÀÌÀç¼ö;¾ÈÀçÇö; °í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;°í·Á´ëÇб³ ȯ°æ°øÇаú;ÀüÁÖ´ëÇб³ Åä¸ñȯ°æ°øÇаú;;
 
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Áö±¸¿Â³­È­ÀÇ ¿µÇâÀ¸·Î ¹èÁõ CO2 »óŰ¡ µÇ´Â ¾à 60³â ÈÄÀÇ Çѹݵµ Æò±Õ°­¼ö·®Àº ¾à 5-10%Á¤µµÀÇ Áõ°¡·Î ¿¹ÃøµÇ°í ÀÖ´Ù. ±×·¯³ª ¼öÀÚ¿øºÐ¾ß¿¡¼­ Æò±Õ°­¼ö·®ÀÇ Áõ°¡º¸´Ù ´õ Áß¿äÇÑ °ÍÀº È«¼ö ¶Ç´Â °¡¹³°ú °°Àº ±ØÄ¡±â»óÀÇ ºóµµ º¯È­ÀÌ´Ù. ÇöÀç ±¹Á¦ÀûÀ¸·Î ÀÌ·¯ÇÑ ±ØÄ¡±â»óÀÇ ºó¹øÇÑ ¹ß»ýÀÌ Áö±¸¿Â³­È­ÀÇ ÇÑ Áõ°Å·Î ¹Þ¾Æµé¿©Áö°í ÀÖ±â´Â Çϳª ±× ¾ç»óÀÌ ¾î¶»°Ô µÇ¸®¶ó°í´Â ¿¹ÃøµÇ°í ÀÖÁö ¾Ê´Ù. µû¶ó¼­ º» ¿¬±¸¿¡¼­´Â ±×·¯ÇÑ º¯È­ ¾ç»óÀ» ¿¹ÃøÇØ º¸±â À§ÇÑ ¹æ¹ý·ÐÀ» Á¦½ÃÇØ º¸´Â °ÍÀ» ¸ñÀûÀ¸·Î ÇÑ´Ù. º» ¿¬±¸¿¡¼­ »ç¿ëÇÑ ¹æ¹ýÀº Todorovic°ú Woolhiser(1975), katz(1977) µîÀÇ Àϰ­¼öºÐÆ÷ °ü·Ã ¿¬±¸¸¦ Åä´ë·Î ÇÏ¿© ¿ù/¿¬°­¼ö·®ÀÇ º¯È­¿¡ ´Ù¸¥ Àϰ­¼öÀÇ Æ¯¼ºÀ» ¸Å°³º¯¼öÀÇ º¯È­·Î °í·ÁÇϰí À̸¦ ÅëÇØ Àϰ­¼öÀÇ ºÐÆ÷º¯È­¸¦ ¿¹ÃøÇÏ´Â °ÍÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â µÎ Àϰ­¼ö·®(10mm,50mm)À» ÀÓ°èÄ¡·Î ÇÏ¿© ¿ù/¿¬°­¼ö·®ÀÇ º¯È­¿¡ µû¸¥ 10mmÀÌÇÏ ¹× 50mmÀÌ»óÀÇ ¹ß»ýÈ®·üÀ» Á¶»çÇÏ¿´´Ù. ÀÌ·¯ÇÑ ¹ß»ýÈ®·üÀÇ º¯È­°¡ ¹Ù·Î °¡¹³°ú È«¼öÀÇ º¯È­·Î Á÷°áµÇÁö´Â ¾ÊÀ¸³ª ±× ¾ç»óÀ» ÁüÀÛÇÏ°Ô ÇÏ´Â ÁÁÀº ÁöÇ¥°¡ µÉ ¼ö ÀÖÀ¸¸®¶ó ÆÇ´ÜµÈ´Ù. ¾Æ¿ï·¯ ¿¬°­¼ö·®ÀÇ º¯È­¿¡ µû¸¥ Àϰ­¼öÀÇ ºÐÆ÷º¯È­´Â ¿ù°­¼öÀÇ º¯È­¸¦ °í·ÁÇÏ´Â °æ¿ìº¸´Ù ±× Á¤µµ°¡ ÀÛ¾ÒÀ¸¸ç, ƯÈ÷ ¿ù°­¼ö·®ÀÇ º¯È­¸¦ °í·ÁÇÏ´Â °æ¿ì ¿ì±âÀÎ ¿©¸§Ã¶¿¡ ±× ¹ß»ýºóµµÀÇ º¯È­°¡ ¾ÆÁÖ Å« °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
In 60 years when the double $CO_2$concentration is anticipated the average annual rainfall depth is expected to be increased by 5 10% due to global warming. However, in the water resources area the frequency change of meteorological extremes such as droughts and floods attracts more interests than the increase of annual rainfall amount. Even though recent frequent occurrences of this kind of meteorological extremes are assumed as an indirect proof of global warming, the prediction of its overall tendency has not yet been made. Thus, in this research we propose a possible methodology to be used for its prediction. The methodology proposed is based on the frequency distribution of daily rainfall be Todorovie and Woolhiser(1975), and Katz(1977), where the input parameters are modified to consider the change of monthly or annual rainfall depth and, thus, to result in the change of frequency distribution. We adopt two values(10mm, 50mm) as thresholds and investigate the change of occurrence probability due to the change monthly and annual rainfall depth. these changes do not directly indicate the changes of occurrence probability of floods and droughts, but it may still be a very useful information for their prediction. Finally, the changes of occurrence probability were found to be greater when considering the monthly rainfall rather than the annual rainfall, and those in rainy season than those in dry season.
 
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¿¬°­¼ö·®;¿ù°­¼ö·®;Àϰ­¼öºóµµºÐÆ÷;Áö±¸¿Â³­È­;annual rainfall depth;monthly rainfall depth;frequency distndution of daily rainfall;global warming;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.32, no.6, 1999³â, pp.627-636
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911920063350)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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