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¹Ì±â»óÇÐÀû ±â¹ýÀ» ÀÌ¿ëÇÑ ¸Å¸³Áö¿¡¼­ ¹æÇâÁ· È­ÇÕ¹°ÀÇ Air/Soil ±³È¯·® »êÁ¤¿¡ ´ëÇÑ ¿¹ºñ¿¬±¸

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2001
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1927
2001. 6. 4 ¹Ì±â»óÇÐÀû ±â¹ýÀ» ÀÌ¿ëÇÑ ¸Å¸³Áö¿¡¼­ ¹æÇâÁ· È­ÇÕ¹°ÀÇ Air/Soil ±³È¯·® »êÁ¤¿¡ ´ëÇÑ ¿¹ºñ¿¬±¸ Preliminary meausrements of BTX fluxes from a landfill site using a micrometeorological approach ±è¹Î¿µ1), ÀÌ°­¿õ2), ±è±âÇö3)* 1)¼­¿ïƯº°½Ã º¸°Çȯ°æ¿¬±¸¿ø 2)Çѱ¹¿Ü±¹¾î´ëÇб³ ȯ°æÇаú 3)¼¼Á¾´ëÇб³ Áö±¸Á¤º¸°úÇаú Min-Young Kim1), Gangwoong Lee2), Ki-Hyun Kim3)* 1)Seoul Metropolitan Institute of Environment and Health, Seoul, Korea 2)Dept. of Environmental Science, Hankuk University of Foreign Studies, Yongin, Korea 3)Dept. of Geoinformation Sciences, Sejong University, Seoul, Korea Abstract In order to implement the direct estimation of VOC emissions in the Nanjido landfill site, Seoul, the concentration gradients of BTX (Benzene, Toluene and Xylenes) and relevant environmental parameters were measured at two separated heights of 20 and 200 cm above the landfill ground between March 22 to April 4, 2000. The exchange rates of BTX were estimated successfully with a micrometeorological approach. Apparently the downward fluxes were observed more distinctly, which suggests that the newly covered soil surface on the ground adsorbed BTX actively. It is found out that the sorptive behaviors of these compounds were strongly dependent on the air temperature and their vapor pressures. Especially, significant downward fluxes of BTX were observed persistently during the period of low air temperature. However, as the air temperature increased, the relatively highly volatile compound such as Benzene shifted its exchange directions into upward emission. Evidence collected from our field measurement study appears to be useful enough to improve our understanding of air/soil exchanges from landfill site not only for establishing future emission inventories but also for demonstrating the validity of model predictions. ----------------------- * Corresponding author 1. ¼­·Ð ÃÖ±Ù µé¾î ´ëµµ½Ã¿Í ±× ÁÖº¯Áö¿ªÀ» Áß½ÉÀ¸·Î ºó¹øÇÏ°Ô ¹ß»ýÇÏ´Â ±¤È­ÇÐÀû ¿À¿°¿¡¼­ VOCs°¡ ±â¿©ÇÏ´Â ¹Ù°¡ Å©´Ù´Â °ÍÀº ÁÖÁöÀÇ »ç½ÇÀÌ´Ù. VOCs°¡ ÀÌ¿Í °°Àº ±¹ÁöÀûÀÎ ±¤È­ÇÐÀû ¿À¿°»Ó¸¸ ¾Æ´Ï¶ó, Áö¿ªÀûÀÎ ±Ô¸ð¿¡¼­µµ ´ë±â ÁßÀÇ È­ÇÐÀûÀÎ Á¶¼º°ú »êÈ­·ÂÀÇ °áÁ¤¿¡ Áö´ëÇÑ ¿µÇâÀ» ¹ÌÄ¡´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. µû¶ó¼­ À̵éÀÇ ¹ß»ý, È­ÇÐÀû º¯È¯, ¼Ò¸ê¿¡ µû¸¥ ±âÀÛ°ú µ¿Å¸¦ ±Ô¸íÇÏ´Â °ÍÀº ´ë±â ¿À¿°À» ¼³¸íÇϴµ¥ À־ Áß¿äÇÑ ºÎºÐÀ¸·Î °£Áֵǰí ÀÖ´Ù. VOCsÀÇ ¹ß»ýÀº Å©°Ô ÀÚ¿¬ÀûÀÎ ±â¿ø°ú ÀÎÀ§ÀûÀÎ ±â¿øÀ¸·Î ±¸ºÐÇÑ´Ù. Àΰ£ÀÇ ¿µÇâÀÌ ¹èÁ¦µÈ »óÅ¿¡¼­µµ ÀÚ¿¬ÀûÀ¸·Î ´Ù¾çÇÑ VOCs ¼ººÐµéÀÌ »ó´çÇÑ ¼öÁØÀ¸·Î ´ë±â Áß¿¡ Á¸ÀçÇÒ ¼ö ÀÖ´Ù. ¿Ü±¹ÀÇ »ç·Ê¿¡ ÀÇÇϸé Áö¿ªÀû Ư¼º°ú ±â»ó Á¶°Ç µî¿¡ µû¶ó¼­´Â ÀÚ¿¬ÀûÀÎ ¹èÃâ·®ÀÌ ÀÎÀ§ÀûÀÎ ¹èÃâ¿¡ ºñÇÏ¿© °áÄÚ ¹«½ÃÇÒ ¼ö ¾ø´Â ¼öÁØÀÓÀ» ¹àÈù ¿¬±¸°¡ ¸¹ÀÌ º¸°íµÇ°í ÀÖ´Ù (Hass et al., 1996; Drewitt et al., 1998; Helmig et al., 1998; Gallagher et al., 2000; Rinne et al., 2000; Steinbrecher et al., 2000). ±×·¯³ª ¿ì¸® ³ª¶óÀÇ °æ¿ì, ÀÚ¿¬ÀûÀÎ VOCs ¹ß»ý¿¡ ´ëÇÑ ¿¬±¸´Â ´ë´ÜÈ÷ Ãë¾àÇÑ ¼öÁØÀÌ´Ù. µû¶ó¼­ ±¹³»¿¡¼­ ¹èÃâµÇ´Â ÀÚ¿¬ÀûÀÎ VOCsÀÇ ¹èÃâ ¼ººÐ°ú ¹èÃâ·®À» Á¤·®È­ÇÏ´Â ÀÏÀÌ ½Ã±ÞÇÑ ½ÇÁ¤ÀÌ´Ù. ÀÌ¿¡ ¹ÝÇØ ÀÎÀ§ÀûÀÎ ¹ß»ý¿øÀÇ °æ¿ì, ÀÚµ¿Â÷¿Í µµÀå½Ã¼³°ú °°Àº »ê¾÷È°µ¿ÀÌ °¡Àå Áß¿äÇÑ ¹ß»ý¿øÀ¸·Î °£Áֵǰí ÀÖ´Ù. ÃÖ±Ù µé¾î ±¹³»¿¡¼­µµ ÀÌ¿Í °°Àº ÀÎÀ§ÀûÀÎ »ê¾÷¹èÃâ½Ã¼³¿¡ ´ëÇÑ ¹èÃâ·® ±Ô¸ðÀÇ ÃßÁ¤ÀÌ ´Ù¾çÇÑ ¹æ½ÄÀ¸·Î ÀÌ·ç¾îÁö°í ÀÖ´Ù (ÇÑÈ­Áø 1994; ÇÑÈ­Áø µî, 1996; À强±â µî, 1996). ¸Å¸³Áö¿Í °°Àº ½Ã¼³¹°µµ ´Ù¸¥ ÀÎÀ§ÀûÀÎ ¹ß»ý¿ø°ú °°ÀÌ »ó´çÈ÷ Áß¿äÇÑ ¹èÃâ¿øÀ¸·Î Àνĵǰí ÀÖ´Ù. ±×¿¡ µû¶ó ¹èÃâ·®ÀÇ ÃßÁ¤À» À§ÇÑ ³ë·ÂÀÌ ¸ðµ¨¸µ (À念±â µî, 1998)À̳ª ÇöÀå°üÃø (À̽¹« µî, 1992; Â÷¸íö µî, 1996) µîÀÇ ¹æ½ÄÀ» ÅëÇÏ¿© ´Ù¾çÇÏ°Ô ½ÃµµµÇ°í ÀÖ´Ù. ƯÈ÷ ³­Áöµµ´Â ¸Å¸³Áö·Î¼­ÀÇ ±Ô¸ð¸¦ °¨¾ÈÇÒ ¶§ ¶Ç´Â ¼­¿ï¿¡ ÀÎÁ¢ÇØ Àִٴ Ư¼ºµîÀ» °í·ÁÇÒ ¶§, VOCs¸¦ Æ÷ÇÔÇÏ´Â ¾ÇÃë À¯¹ß¹°Áú ¹× ¿©·¯ ¿À¿°¹°ÁúÀÇ °ü¸®¿¡ ¸Å¿ì Áß¿äÇÑ ¿¬±¸ÁÖÁ¦·Î Àνĵǰí ÀÖ´Ù. ³­Áöµµ ¸Å¸³Áö´Â 1¸Å¸³Áö¿Í 2¸Å¸³Áö·Î ±¸¼ºµÇ¾î ÀÖ°í, 1983³â 3¿ùºÎÅÍ 1997³â 12¿ù±îÁö 15³â°£ ÀÌ¿ëµÇ¾ú´Ù. ºñºÐ¸®¹æ½Ä¿¡ ÀÇÇÑ ÀϹݾ²·¹±â´Â ¹°·ÐÀÌ°í Çϼö½½·¯Áö ¹× »ê¾÷Æó±â¹° µîµµ ÀϺΠ¸Å¸³µÇ¾úÀ¸¸ç, Àüü ¸éÀû 2,715,000§³ Áß ¸Å¸³¸éÀûÀº 1,904,000§³, ¸Å¸³·® 91,972,000§©, ¸Å¸³ÁöÀÇ ³ôÀÌ´Â 95m¸¦ ±â