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Çѱ¹¼öÀÚ¿øÇÐȸ / v.37, no.5, 2004³â, pp.397-406
¼ÒÀ¯¿ªÀÇ °­¼ö¿¡ ÀÇÇÑ ÁöÇϼö ÇԾ緮 »êÁ¤
( Estimation of Groundwater Recharge from Precipitation in a Small Basin )
¹è»ó±Ù;À̽ÂÇö; °è¸í´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;°è¸í´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;
 
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¾î¶² ƯÁ¤ Áö¿ªÀÇ ÁöÇϼö °³¹ß·®À» ÀûÀûÈ÷ ÆÄ¾ÇÇϱâ À§Çؼ­´Â ÁöÇϼöÇԾ緮ÀÇ »êÁ¤ÀÌ ÇÊ¿äÇÏ´Ù. °æ»óºÏµµ¿¡ À§Ä¡ÇÑ À§Ãµ À¯¿ª³»ÀÇ ¼ÒÀ¯¿ª¿¡ ´ëÇÏ¿© ÁöÇϼö ÇԾ緮À» »êÁ¤ÇÏ¿´´Ù. ±âÀúÀ¯ÃâºÐ¸®¹ý°ú SCS-CN¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© °¥¼ö³â°ú dz¼ö³âÀÌ Á¸ÀçÇÏ´Â 1992³â¡­1997³â°£ÀÇ ³â Æò±Õ ÁöÇϼö ÇԾ緮À» ÃßÁ¤ÇÏ¿´´Ù. ±âÀúÀ¯ÃâºÐ¸®¹ýÀ» ÀÌ¿ëÇÏ¿© ÃßÁ¤ÇÑ °á°ú, ¿¬Æò±Õ ÁöÇϼö ÇÔ¾ç·üÀÌ 11.9%¡­18.7%·Î º¯È­ÇÏ¿´À¸¸ç °è»ê±â°£ ÁßÀÇ ³â Æò±Õ °­¼ö¿¡ ÀÇÇÑ ÁöÇϼö ÇԾ緮Àº 141.6mm·Î ÁöÇϼöÇÔ¾ç·üÀº 14.5%À̾ú´Ù. SCS-CN¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© ÃßÁ¤ÇÑ °á°ú, ¿¬Æò±Õ ÁöÇϼö ÇÔ¾ç±ÕÀÌ 7.9%¡­20.9%·Î º¯È­ÇÏ¿´À¸¸ç °è»ê±â°£ ÁßÀÇ ³â Æò±Õ °­¼ö¿¡ ÀÇÇÑ ÇÇÇϼö ÇԾ緮Àº 147.4mm ·Î ÁöÇϼö ÇÔ¾ç·üÀº 15.1%À̾ú´Ù. µÎ ¹æ¹ýÀ¸·Î »êÁ¤ÇÑ °¥¼ö³â°ú dz¼ö³âÀÌ Á¸ÀçÇÏ´Â Àå±â°£ µ¿¾ÈÀÇ ³â Æò±Õ °­¼ö¿¡ ÀÇÇÑ ÁöÇϼö ÇԾ緮Àº ÁöÇϼö °³¹ß¿¡ À¯¿ëÇÏ°Ô »ç¿ëÇÒ ¼ö ÀÖÀ½À» ³ªÅ¸³½´Ù.
It is necessary to estimate the groundwater recharge rate properly to evaluate the reasonable development amount of groundwater in a specific site. A small basin in Wicheon River Basin located in the Province of Kyungsangbuk-Do is selected to calculate the groundwater recharge rate. Average annual groundwater recharge rates are calculated from 1992 to 1997 because wet and draught year are contained during this period. In the calculation, baseflow separation method and SCS-CN method are applied to this area. As a result of estimation by baseflow separation method, the value of groundwater recharge ratio is varied between 11.9% and 18.7%. The average annual recharge rate is 14.5%. The average annual recharge rate calculated by SCS-CN method is varied between 7.9% and 20.9%. The average annual recharge rate in the calculation period is 15.1%. The results show that the average annual recharge amount from infiltration in the study basin is 141.6mm and 147.4mm in each estimation method. It appears that the average annual recharge amount calculated for the long period containing wet and draught year by the two methods is useful for groundwater development.
 
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ÁöÇϼö;ÁöÇϼöÇÔ¾ç;SCS-CN¹ý;±âÀúÀ¯ÃâºÐ¸®¹ý;groundwater;groundwater recharge;SCS-CN method;baseflow separation method;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.37, no.5, 2004³â, pp.397-406
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922339495)
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