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Çѱ¹¼öÀÚ¿øÇÐȸ / v.37, no.2, 2004³â, pp.97-108
ÁöÇÏ´ï ¿î¿µ½Ã ¹ß»ýÇÏ´Â ¿°¼öħÀÔ Àú°¨±â¹ý¿¡ °üÇÑ ¿¬±¸
( A Study for Reducing Sea Water Intrusion in the Ground Water Dam Operation )
À±»óÈÆ;¹ÚÀçÇö;¹Úâ±Ù; ÀÎÁ¦´ëÇб³ Åä¸ñ°øÇаú;ÀÎÁ¦´ëÇб³ Åä¸ñ°øÇаú;°üµ¿´ëÇб³ Åä¸ñ°øÇаú;
 
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ÃÖ±Ù µé¾î µµ¼­Áö¿ªÀ̳ª ÇØ¾ÈÁö¿ªÀÇ Á¦ÇÑµÈ ¼öÀÚ¿øÀ» º¸´Ù È¿°úÀûÀ¸·Î »ç¿ëÇϱâ À§ÇÏ¿© ÁöÇÏ´ïÀ» ÀÌ¿ëÇÑ ÁöÇϼöÀÚ¿ø °³¹ß ¹æ¾ÈÀÌ Á¦½ÃµÇ°í ÀÖ´Ù. ±×·¯³ª ÇØ¾È¼±¿¡ ÀÎÁ¢ÇÑ ÁöÇÏ´ïÀÇ °æ¿ì °úµµÇÑ ÁöÇϼö ¾ç¼ö´Â ´ë¼öÃþÀÇ ÁöÇϼöÀ§¸¦ ÀúÇϽÃÄÑ °á±¹ ¿°¼öħÀÔÀ̶ó´Â ½É°¢ÇÑ ¹®Á¦¸¦ ¹ß»ý½ÃŰ°Ô µÈ´Ù. ¿°¼öħÀÔÀº ´ë¼öÃþÀÇ ÁöÇϼöÀ§ Çϰ­¿¡ ±âÀÎÇϹǷΠº» ¿¬±¸¿¡¼­´Â ÁöÇÏ´ï ÇÏ·ù¿¡ ÇÔ¾çÁ¤(Recharging well)À» ¼³Ä¡ÇÏ¿© ´ë¼öÃþÀÇ ÁöÇϼöÀ§¸¦ »ó½Â½ÃÅ´¿¡ µû¸¥ ¿°¼öħÀÔ Àú°¨È¿°ú¸¦ ºÐ¼®ÇÏ¿´´Ù. ÀÌ ¹æ¾ÈÀ» ½ÖõÀ¯¿ª¿¡ Àû¿ëÇÏ¿´À¸¸ç, À̸¦ À§ÇØ ¿°ºÐÀÇ À̼ۤýÈ®»êÀ» ºÐ¼®ÇÒ ¼ö ÀÖ´Â SUTRA(Saturated-Unsaturated Transport) ¼öÄ¡¸ðÇüÀ» Àû¿ëÇÏ¿´´Ù. ±× °á°ú ÁöÇÏ´ï ÇÏ·ùÁö¿ª¿¡ ´ëÇÑ ÇÔ¾ç±â¹ýÀÌ ¾ç¼öÁ¤ ¿°ºÐ ÀúÇÏ¿¡ ¸Å¿ì È¿À²ÀûÀÎ ¹æ¹ýÀÓÀÌ Áõ¸íµÇ¾ú°í, ¿°ÇØÀú°¨À» À§ÇÑ ÇÔ¾çÁ¤ ¿î¿µ½Ã Â÷¼öº®À¸·ÎºÎÅÍ 40¡­60m°Å¸®¿¡ ÇÔ¾çÁ¤À» ¼³Ä¡Çϰí ÇÔ¾ç·üÀ» ÃÑ ¾ç¼ö·®ÀÇ 6¡­7£¥Á¤µµ·Î ÇÏ¿© ¿î¿µÀ» ÇÒ ¶§ °¡Àå È¿À²ÀûÀ¸·Î ¿°Çظ¦ Àú°¨½Ãų ¼ö ÀÖ´Ù´Â °á·ÐÀ» ¾òÀ» ¼ö ÀÖ¾ú´Ù.
Recently the ground-water development using the ground-water dam was proposed for the efficient use of the limited water resources especially for islands or seaside area. But in operating the ground-water dam adjacent to seaside an excessive pumping causes the sea-water intrusion which is caused by the drawdown of ground-water level. In this study, the effect of the recharging well method to reduce the sea-water intrusion was evaluated, and was applied to the downstream of the Ssangcheon ground-water dam site. The SUTRA model was used to simulate the salinity transport in the unsaturated and saturated zone. As the results, the effect of recharging method on the downstream of the ground-water dam was proven to be very efficient to reduce the salinity in the pumping well, and especially the best result was shown at the case that the recharging well is located at 40¡­60m from the cutoff wall and the recharging rate is up to 6¡­7£¥.
 
Ű¿öµå
¿°¼öħÀÔ;ÀΰøÇÔ¾ç;¿°ÇØ Àú°¨±â¹ý;ÁöÇÏ´ï;Sea-Water Intrusion;Artificial Recharge;SUTRA;Techniques of Reducing Sea-Water Intrusion;Ground Water Dam;SUTRA;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.37, no.2, 2004³â, pp.97-108
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922294584)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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