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Çѱ¹¼öÀÚ¿øÇÐȸ / v.42, no.11, 2009³â, pp.1005-1015
ÇØ¾È´ë¼öÃþ¿¡¼­ ´ã¼ö-¿°¼ö °æ°è¸é Çü¼º¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â Á¶°Ç¿¡ ´ëÇÑ ½ÇÇèÀû ¿¬±¸
( Experimental Study to Parameterize Salt-Wedge Formations in Coastal Aquifer )
¹ÚÈ­ÁØ;±è¿øÀÏ;È£Á¤¼®;¾È¿ø½Ä; ¼ö¿ø´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;¼ö¿ø´ëÇб³ ÇÏõȯ°æ±â¼ú¿¬±¸¼Ò;´º¸ß½ÃÄÚ´ëÇб³ Åä¸ñ°øÇаú;¼ö¿ø´ëÇб³ Åä¸ñ°øÇаú;
 
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ÇØ¾È´ë¼öÃþÀÇ ¿°¼öħÅõ¿¡ ÀÇÇÑ ´ã¼ö-¿°¼ö °æ°è¸é Ư¼ºÀ», °¡·Î 140 cm, ¼¼·Î 70 cm, µÎ²² 10 cm ÀÇ Á÷»ç°¢Çü ¸ð·¡¼öÁ¶ ¸ðÇüÀ» ÀÌ¿ëÇÏ¿© ¸ðÀÇÇÏ¿´´Ù. ´ë¼öÃþ ¸ðÇüÀÇ Æ¯¼º°ú ¿°¼öÀÇ ¿°µµ¿¡ µû¸¥ ÃÑ 31°¡ÁöÀÇ ½ÇÇèÀ» ¼öÇàÇÏ¿´À¸¸ç, À§Ä¡È帧 ÇØ¼®¹ýÀ» À¯µµÇÑ Glover (1959)ÀÇ À̷нİú È£µµ±×·¡ÇÁ¸¦ ÀÌ¿ëÇÑ Henry (1959) ÇØ¼®½Ä ¹× À§Ä¡È帧 ÇØ¼®¹ýÀ» ÀÌ¿ëÇÑ Strack (1976)ÀÇ ÇØ¼®ÇØ °á°ú¿Í ºñ±³ÇÏ¿´´Ù. ´ë¼öÃþÀÇ ¼ö¸®Àüµµµµ, ÇØ¼öÀÇ ¿°µµ, ±×¸®°í ÇØ¾È°¡ ÁöÇ¥°æ»ç¿¡ µû¸¥ ´ã¼ö-¿°¼ö °æ°è¸éÀÇ À§Ä¡¿Í ±â¿ï±â¸¦ ¸ðÀÇÇÏ¿´´Ù. ´Ù°øÁú¸ÅüÀÇ ¼ö¸®Àüµµµµ¿Í ÇØ¼öÀÇ ¿°µµ°¡ ³ôÀ»¼ö·Ï ÆòÇüÀ» ÀÌ·ç·Á´Â ´ã¼ö-¿°¼öÀÇ ¼öÀ§ºñ($H_F/H_S$)°¡ ³ô¾ÆÁö°í, ÀÌ¿¡ µû¶ó °æ°è¸éÀÌ ¿°¼öÁ¶ ¹æÇâÀ¸·Î À̵¿ÇÏ¿´´Ù. ¶ÇÇÑ ¿°¼öÁ¶ ¹æÇâÀÇ ¸ð·¡»ç¸éÀÇ °æ»ç°¡ ±ÞÇØÁú¼ö·Ï °æ°è¸éÀÇ ±â¿ï°¡°¡ ¿Ï¸¸ÇÏ°Ô Çü¼ºµÇ¾ú´Ù.
Saltwater intrusion in coastal aquifer was investigated using a laboratory model. Salt-wedge profiles were reproduced in a porous media tank 140 cm long, 70 cm high, and 10 cm wide. The experiments were performed with various conditions of porous media hydraulic conductivity, salinity, and ground surface slope to assess relationships on salt wedge location and inclination. Salt-wedge profiles induced by saltwater intrusion were observed in porous media equilibrium state, and compared with previously derived formulas of the Glover (1959), Henry (1959) and Strack (1976). It was found that salt-wedge shape and formations were affected by the water level ratio ($H_F/H_S$) due to high hydraulic conductivity, saltwater salinity and ground surface slope. High $H_F/H_S$ of porous media having high hydraulic conductivity shifted the saltwater interface toward the saltwater reservoir. Increasing surface slope of the porous media caused the salt-wedge profile inclination to decrease. Saltwater salinity also contributed to the location of saltwater interface, yet the impact was not more significant than hydraulic conductivity.
 
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ÇØ¼öħÅõ;´ã¼ö-¿°¼ö °æ°è¸é;¿°¼ö½û±â;¸ð·¡¼öÁ¶ ¸ðÇü;ÇØ¾È´ë¼öÃþ ÁöÇϼö;Saltwater intrusion;Freshwater-Saltwater interface;Salt-Wedge profile;Sandtank model;Coastal aquifer groundwater;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.42, no.11, 2009³â, pp.1005-1015
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200903538424227)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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