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Çѱ¹¼öÀÚ¿øÇÐȸ / v.43, no.10, 2010³â, pp.851-864
±âÈĺ¯µ¿¿¡ ´ëÇÑ Çѱ¹ ÇÏõÀ¯·®ÀÇ Åº·Â¼º
( Climate Elasticity of Korean Streamflows )
Á¤ÀÏ¿ø;ÀåÈñÁØ;¹è´öÈ¿; Æ÷Ʋ·£µåÁÖ¸³´ëÇб³;Æ÷Ʋ·£µåÁÖ¸³´ëÇб³;¼¼Á¾´ëÇб³ Åä¸ñȯ°æ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â °­¼ö·®°ú ±â¿ÂÀÇ º¯µ¿¿¡ µû¸¥ ±¹³» ÇÏõÀ¯·®ÀÇ ¹Î°¨µµ¸¦ Æò°¡ÇÏ¿´´Ù. 8°³»ó·ù ´Ù¸ñÀû´ï À¯ÀÔ·®°ú ±âÈÄÀڷḦ ÀÌ¿ëÇÏ¿© ±âÈİ¡ À¯Ãâ·® º¯È­¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ºÐ¼®ÇÏ¿´´Ù. °á°úÀûÀ¸·Î ¿¬À¯Ãâ·®ÀÇ º¯È­´Â °­¼öÀÇ º¯È­¿¡ Å©°Ô ¿µÇâÀ» ¹Þ¾ÒÁö¸¸ °­¼ö·®ÀÌ Æò³â¿¡ ºñÇØ Àû°í ±â¿ÂÀÌ ³ôÀº ¿¬µµ¿¡¼­´Â ±â¿ÂÀÌ ³·Àº ¿¬µµ¿¡ ºñÇØ ¿¬À¯Ãâ·®ÀÌ ´õ Å©°Ô °¨¼ÒÇÏ´Â °æÇâÀ» º¸¿´´Ù. ÀÌ·¯ÇÑ À¯Ã⺯ȭ Ư¼ºÀº Çѱ¹ÀÇ ¼öÀÚ¿øÀÌ Áö±¸¿Â³­È­·Î ÀÎÇÑ ±â¿ÂÁõ°¡ »óȲ¿¡¼­ °¡¹³ÇÇÇØ¿¡ ´õ Ãë¾àÇØÁú °¡´É¼ºÀ» º¸¿©ÁÖ¾ú´Ù. ¶ÇÇÑ, º» ¿¬±¸¿¡¼­´Â °ø°£ÀûÀÎ ±âÈÄź·Â¼ºÀ» Æò°¡Çϱâ À§ÇØ 109°³ Á߱ǿª¿¡ PRMS ¸ðÇüÀ» Àû¿ëÇϰí ÀÌ °á°ú¸¦ ÀÌ¿ëÇÏ¿© ±âÈÄź·Â¼ºÀ» Æò°¡ÇÏ¿´´Ù. ±¹³»ÀÇ ±âÈÄź·Â¼ºÀº 1.5~1.9·Î, °­¼ö°¡ +20% Áõ°¡ÇÒ °æ¿ì ¿¬À¯Ãâ·®Àº +30~+38% Á¤µµ Áõ°¡µÇ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
We investigated the sensitivity of Korean streamflows to climate variation. Historical dam inflows and climate data for eight multi-purpose dam sites were collected and examined to determine key factors affecting streamflow change. The results show that annual streamflow primarily responds to change in precipitation rather than temperature. However, the combination of less precipitation and high temperature induces a more serious decrease in streamflow than does similar precipitation and with low temperature. This result indicates that Korean water resources could be more vulnerable to drought due to increasing temperature caused by global warming. To estimate spatial differences in climate sensitivity, we also calculated climate elasticity for 109 mid-size watersheds using streamflow simulated by the Precipitation Runoff Modeling System (PRMS). Climate elasticity ranges over 1.5~1.9, indicating that a +20% increase in annual precipitation leads to a +30~+38% increase in annual streamflow.
 
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±âÈÄź·Â¼º;ÇÏõÀ¯·®;±âÈĺ¯È­;Çѱ¹;climate elasticity;streamflow;PRMS;climate change;Korea;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.43, no.10, 2010³â, pp.851-864
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201032654094298)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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