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Çѱ¹¼öÀÚ¿øÇÐȸ / v.31, no.2, 1998³â, pp.167-176
˽éë¿¡ ÀÇÇÑ ÐáÞØØüÀÇ ÀϽÃÀûÀÎ øéûúÓáû¡à÷°ú Áß°£·ù êüõó
( The Formation of Transient Saturation Zone and the Subsurface flow on the Steep Hillslope by Rains )
¾ÈÁß±â; ³ó¾îÃÌÁøÈï°ø»ç ÁöÇϼö»ç¾÷ó;
 
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±Þ»ç¸é¿¡ °üÃøÁ¤, ÅٽÿÀ¸ÞŸ, Æ®·»Ä¡ µîÀÇ ½Ã¼³À» ¼³Ä¡ÇÏ°í Æ÷È­´ëÀÇ Çü¼º °úÁ¤°ú Áß°£·ùÀÇ À¯ÃâÆ¯¼ºÀ» °üÃøÇÏ¿© ºÐ¼®ÇÏ¿´´Ù. »ç¸éÀÇ Åä¾çÀÌ °ÇÁ¶ÇÑ ¶§¿¡ ³»¸° °­¿ì(ÃѰ­¿ì·® 103mm)¿¡ ÀÇÇØ Æ÷È­´ë´Â »ç¸é »óºÎ °üÃøÁ¤ºÎÅÍ Çü¼ºµÇ±â ½ÃÀÛÇÏ¿© °­¿ì Á¾·á ¼ö ½Ã°£ ÈÄ¿¡ »ç¸é Àüü¿¡ ¹ß´ÞÇÏ¿´´Ù. ÀÌ Æ÷È­´ë´Â Æ÷È­´ë Çü¼º¿¡ ÇÊ¿äÇÑ °Íº¸´Ù ÀûÀº ¾çÀÇ °­¿ì¿¡ ÀÇÇØ Çü¼ºµÇ¾ú°í, Æ÷È­´ë³»ÀÇ ÀϺΠ±íÀÌÀÇ Åä¾ç ¼öºÐÀÌ ºÒÆ÷È­ »óÅÂÀ̾ú±â ¶§¹®¿¡ Æ÷È­´ë´Â ħÅõ¼ö°¡ ÀϺΠÅä¾ç¸¸À» Æ÷È­½ÃÄÑ Çü¼ºµÈ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù. ÀÌ Æ÷È­´ë·ÎºÎÅÍ Áß°£·ù´Â Æ÷È­´ë Çü¼º Ãʱ⿡ 0¡­40cm ±íÀÌÀÇ Åä¾çÃþÀ» ÅëÇØ À¯ÃâµÉ »Ó 40¡­80cm ±íÀÌÀÇ Åä¾çÃþÀ» ÅëÇÑ À¯ÃâÀº °ÅÀÇ ¾ø¾ú´Ù. »ç¸é¿¡ Çü¼ºµÈ ±âÁ¸ÀÇ Æ÷È­´ëÀÇ ¼öÀ§´Â °­¿ì¿¡ ºü¸£°Ô ¹ÝÀÀÇϸç Áß°£·ù´Â ¼öÀ§»ó½Â°ú µ¿½Ã¿¡ ´ëºÎºÐ 40¡­80cm ±íÀÌÀÇ Åä¾çÃþÀ» ÅëÇØ À¯ÃâµÇ±â ½ÃÀÛÇÏ¿´´Ù. Æ÷È­´ëÀÇ ÃÖ´ë ¼öÀ§°¡ À¯»çÇÑ 4°³ °­¿ìÀÇ 40¡­80cm ±íÀÌÀÇ Åä¾çÃþÀ» ÅëÇÑ Áß°£·ù À¯Ãâ·üÀº ¼±Çà °­¿ì·®°ú °ü°è°¡ ÀÖ¾ú´Ù. Çٽɿë¾î : Æ÷È­´ë, Áß°£·ù À¯Ãâ, °­¿ì, Æ÷È­´ëÀÇ ¼öÀ§
On steep hillslopes, saturation zone formations and subsurface flows were monitored through the observation systems of observation wells, tensiometers and trenches. By the 103 mm rain which had fallen on the hillslope with dry soil moisture, the saturation zone began to be formed at the top of hillslope during the rain and developed to be formed within a few hours after the end of rain on all hillslope. Subsurface water outflowed mainly from the soil profile of 0-40 cm depth, but did not outflow from the one of 40-80 cm depth. This saturation zone seemed to be formed by partially saturation of soil. This resulted for two reasons. Firstly, the saturation zone was formed by a smaller amount of rain than that required. Secondly the soil at a certain depth below the water table was unsaturated. Saturation zones formed by pre-rains responded rapidly to rains and subsurface water outflowed mainly from the soil profile of 40-80 cm depth simultaneously with the rising of the water level. The rates of subsurface discharge from the soil profile of 40-80 cm depth to the precipitation were related to the antecedent precipitation although the maximum water levels of saturation zone formed by four rains were similar.Keywords :saturation zone, subsurface flow, rain, water level of saturation zone
 
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Æ÷È­´ë;Áß°£·ù À¯Ãâ;°­¿ì;Æ÷È­´ëÀÇ ¼öÀ§;saturation zone;subsurface flow;rain;water level of saturation zone;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.31, no.2, 1998³â, pp.167-176
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811920100878)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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