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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.44, no.2, 2011³â, pp.187-194
¿ì¸®³ª¶ó 15°³ ´Ù¸ñÀû´ï À¯¿ªº° A1B ±âÈĺ¯È­ ½Ã³ª¸®¿À ºÐ¼®
( Analysis of A1B Climate Change Scenario in the Watersheds of 15 Multi-purpose Dams in South Korea )
±èÈ«·¡;ÀÌÇý¼÷;½ÅÀç±â; Çѱ¹¼öÀÚ¿ø°ø»ç K-water¿¬±¸¿ø;Çѱ¹¼öÀÚ¿ø°ø»ç K-water¿¬±¸¿ø;Çѱ¹¼öÀÚ¿ø°ø»ç K-water¿¬±¸¿ø;
 
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º» ¿¬±¸´Â ¼öÀÚ¿ø, ¹°È¯°æ ¹× ¼ö»ýŰèÀÇ º¯À̸¦ ÆÄ¾ÇÇϴµ¥ ±âÃÊÀڷḦ Á¦°øÇϰíÀÚ ¼öÆò°ÝÀÚ 27 kmÀÇ °íÇØ»óµµ ±âÈĺ¯È­ ½Ã³ª¸®¿À¸¦ ÀÌ¿ëÇÏ¿© 15°³ ´Ù¸ñÀû´ï À¯¿ªÀ» ´ë»óÀ¸·Î ±âÈĺ¯È­¸¦ ºÐ¼®ÇÏ¿´´Ù. ±â¿ÂÀº 15°³ ´Ù¸ñÀû´ïÀ¯¿ª ¸ðµÎ 2100³â±îÁö Áö¼ÓÀûÀ¸·Î »ó½ÂÇÏ´Â °æÇâÀ» º¸ÀÎ ¹Ý¸é, °­¼ö·®Àº 2040³â´ë¿¡ ±Þ°ÝÈ÷ Áõ°¡Çϸ鼭 2050³â´ë ÀÌÈĺÎÅÍ´Â Áö¿ªº°·Î ¼­·Î ´Ù¸¥ Áõ°¨ °æÇâÀ» º¸¿´´Ù. °­¿øÁö¿ª¿¡ À§Ä¡ÇÑ ¼Ò¾ç°­´ï°ú Ⱦ¼º´ï À¯¿ª¿¡¼­´Â 2050³â´ë ÀÌÈÄ °­¼ö·® Áõ°¡°¡ ¼­¼­È÷ °¨¼ÒÇÑ ÈÄ 2090³â´ë¿¡ ´Ù½Ã ±Þ°ÝÈ÷ Áõ°¡ÇÏ´Â °æÇâÀ» º¸ÀÎ ¹Ý¸é, °æºÏÁö¿ª¿¡¼­ Àü³² ÇØ¾ÈÁö¿ª¿¡ À̸£´Â ÁߺÎÁö¿ª¿¡ À§Ä¡ÇÑ 7°³ ´ï À¯¿ª¿¡¼­´Â 2050³â ÀÌÈÄ 10³â ÁÖ±âÀÇ Áõ°¨ º¯È­°¡ ³ªÅ¸³µÀ¸¸ç, ³²ºÎÁö¿ª¿¡ À§Ä¡ÇÑ 6°³ ´ï À¯¿ª¿¡¼­´Â 2050³â ÀÌÈÄ 2060³â´ë¿¡ °­¼ö·® Áõ°¡°¡ ±Þ°ÝÈ÷ °¨¼ÒÇÑ ÈÄ 2090³â´ë±îÁö ¼­¼­È÷ Áõ°¡ÇÏ´Â °æÇâÀ» º¸¿´´Ù. 20¼¼±â ÈĹÝ(1971~2000³â)¿¡ ºñÇÏ¿© 21¼¼±â ÈĹÝ(2071~2100³â)¿¡ °­¼öÀϼö´Â ¾à 3% Á¤µµ Áõ°¡ÇÏ°í °­¼ö°­µµ´Â 6~12% Á¤µµ °­ÇØÁö´Â °ÍÀ» º¼ ¼ö ÀÖ¾ú´Ù. °­¼ö°­µµº° °­¼öºóµµ´Â ³²ºÎÁö¿ªÀ» Á¦¿ÜÇÑ ¸ðµç ´ï À¯¿ª¿¡¼­ °­¼ö°­µµ°¡ Áõ°¡ÇÒ¼ö·Ï °­¼öºóµµ´Â Áõ°¡Çϸç, ³²ºÎÁö¿ª¿¡¼­´Â 10~30 mm $d^{-1}$ ¹üÀ§ÀÇ °­¼ö°­µµ¿¡¼­ °­¼öºóµµ°¡ °¨¼ÒÇϳª ±× ÀÌ»óÀÇ °­¼ö°­µµ¿¡¼­´Â °­¼öºóµµ°¡ ´Ù½Ã Áõ°¡Çϴ Ư¼ºÀ» º¸¿´´Ù. È£¿ì·Î ±ÔÁ¤µÈ 50 m $d^{-1}$ ÀÌ»óÀÇ °­¼ö°­µµ¿¡¼­ 15°³ ´ïÀ¯¿ª ¸ðµÎ °­¼öºóµµ°¡ ¾à 20~100% ÀÌ»ó Áõ°¡ÇÏ¿´´Ù.
This study analyzed the A1B climate change scenario provided by National Institute of Meteorological Research (NIMR), Korea, to investigate potential climate changes in watersheds of 15 multi-purpose dams in South Korea. The A1B climate change scenario is produced by Regional Climate Model (RCM) with 27 km horizontal grid spacings using a one-way nesting technique with Global Climate Model (GCM). Relative to present climate conditions (1971~ 2000), the modeled 10-year averaged daily temperatures at the watersheds of the 15 multi-purpose dams continuously increased to year 2100, whereas precipitation changes were varied regionally (north, central, and south regions of South Korea). At two watersheds located in Gangwon-province (north region), the modeled temporal variations of precipitation rapidly increased in the 2090's after a slow decrease that had occurred since the 2050's. At seven watersheds in the central region, including Gyeongsangbuk-province to Jeollanam-province, the modeled temporal variations of precipitation increase showed 10-year periodic changes. At six watersheds in the south region, the modeled temporal variations of precipitation increased since the 2070's after a rapid decrease in the 2060's. Compared to the climate conditions of the late of 20th century (1971~2000), the number of rainy days and precipitation intensity increased (3% and 6~12%, respectively) in the late 21st century (2071~2100). The frequency of precipitation events tended to increase with precipitation intensity in all regions. The frequency of heavy precipitation events (>50 mm $d^{-1}$) increased with >100% in the north region, 60~100% in the central region, and 20~60% in the south region.
 
Ű¿öµå
A1B climate change scenario;multi-purpose dams;regional climate model;temperature;precipitation;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.44, no.2, 2011³â, pp.187-194
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201124359107902)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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