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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.41, no.1, 2008³â, pp.66-72
µµ½ÉÀΰøÈ£ ÅðÀû¹°ÀÇ ÃÑÁ߱ݼÓ, ¿ëÁ¸Á߱ݼÓ, »ý¹°À̿뼺 Á߱ݼÓÀÇ ¿¬°ü¼º ±Ô¸í
( Examining the Interrelation of Total, Soluble, and Bioavailable Metals in the Sediments of Urban Artificial Lakes )
¹é¿ë¿í;¾ÈÀ±ÁÖ; °Ç±¹´ëÇб³ ȯ°æ°úÇаú;°Ç±¹´ëÇб³ ȯ°æ°úÇаú;
 
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´ëµµ½ÃÀÇ ±âº» »ýȰ¼öÁØ Çâ»óÀ» À§ÇØ °Ç¸³µÈ ÀΰøÈ£´Â Áö¿ªÀû ȯ°æ¿äÀο¡ ÀÇÇÑ ÅðÀû¹° Áß±Ý¼Ó ¿À¿°ÀÌ ¿ì·ÁµÈ´Ù. º» ¿¬±¸ÀÇ ÅðÀû¹° Á¶»ç´ë»óÀÎ µµ½ÉÀÇ ¼ÒÇüÀΰøÈ£µéÀº Àú¼ö¿ë·®ÀÌ Àû°í, ü·ù½Ã°£ÀÌ ±æ¸ç, µµ½Ã´ë±â¿À¿°À¸·Î ÀÎÇÑ Ä§Àû¹°³«ÇÏ¿Í ÇÔ²² È£¼ö¿¡ À¯À﵃ ¼ö ÀÖ´Â Á߱ݼÓÀÌ ÃÖÁ¾ÀûÀ¸·Î ÅðÀû¹°¿¡ ÃàÀûµÈ´Ù. º» ¿¬±¸¿¡¼­´Â µµ½ÃÁö¿ª¿¡ Á¶¼ºµÈ ÀΰøÈ£¸¦ ´ë»óÀ¸·Î ÅðÀû¹°¸Åü¿¡ ÃàÀûµÈ ÃÑÁ߱ݼÓ, ¿ëÁ¸Á߱ݼÓ, ±×¸®°í »ý¹°À̿뼺 Á߱ݼÓÀÇ »óÈ£¿¬°ü¼ºÀ» ±Ô¸íÇϰíÀÚ ½ÃµµÇÏ¿´´Ù. »ý¹°À̿뷮Àº ¾àÀüÇØÁúÃßÃâ¹ý(Weak-Electrolyte Extraction, WEE)¿¡ ÀÇÇØ ÃøÁ¤ÇÏ¿´´Ù. µµ½ÉÀΰøÈ£ Àüü Á¶»çÁö¿ª¿¡ ´ëÇÑ ÅðÀû¹°ÀÇ ÃÑÁß±Ý¼Ó °ËÃâºóµµ´Â ¾Æ¿¬, ±¸¸®, Å©·Ò, ´ÏÄÌ, ºñ¼Ò, Ä«µå¹Å ¼øÀ¸·Î È®ÀεǾú°í, ÃÑ·®¿¡ ´ëÇÑ °ËÃâÀº ¾Æ¿¬ÀÌ °¡Àå ³ôÀº ¼öÄ¡¸¦ ³ªÅ¸³»¾ú´Ù. ÃÑÁ߱ݼӿ¡ ´ëÇÑ »ý¹°À̿뼺 Á߱ݼÓÀÇ ºñÀ²Àº Á߱ݼӺ°, ÃøÁ¤Áö¿ªº°·Î ¸Å¿ì »óÀÌÇÏ¿´À¸¸ç Àü¹ÝÀûÀ¸·Î Á߱ݼÓÀÇ »ý¹°À̿뼺Àº ±¸¸® (Cu)°¡ ³ôÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ³ôÀº »ý¹°À̿뼺À» ³ªÅ¸³½ ±¸¸®ÀÇ °æ¿ì ±âÁ¸µ¶¼º¿¬±¸ °á°ú¿Í ºñ±³ÇÑ °á°ú ³ôÀº »ýŵ¶¼ºÀ» ³ªÅ¸³»°í ÀÖ¾î º» ¿¬±¸¿¡¼­ ¿¹ÃøÇÑ Çö»óÀ» ÁöÁöÇϰí ÀÖÀ¸³ª, Â÷ÈÄ »ý¹°°ËÁ¤¹ý(Bioassay)À» ÅëÇÑ °ËÁõÀÌ ÇÊ¿äÇÒ °ÍÀ¸·Î »ç·áµÈ´Ù.
Total metals, soluble metals, and bioavailable metals were monitored at the sediments of urban lakes located in Seoul, Korea during spring season 2006. The metals measured were zinc, arsenic, chromium, copper, nickel, and cadmium, which are known to be toxic to human health and ecosystems. The main sources of heavy metals in the lakes were urban runoff and atmospheric deposition associated with air pollution in urban areas. Extraction by using a weak electrolyte solution (0.1 M $Ca(NO_3)_2$) was used to predict bioavailability of the metals. Among the six heavy metals studied, copper was the most bioavailable, based the weak electrolyte extraction techniques. Since metal toxicity is related to metal bioavailability, the results were consistent with the high ecotoxicity of copper, compared to other heavy metals. Overall results suggest that there was no direct relationship between total and bioavailable metal concentration, although zinc, copper and cadmium show some relationships.
 
Ű¿öµå
urban artificial lake;sediment;heavy metal;bioavailability;copper;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.41, no.1, 2008³â, pp.66-72
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200817154059293)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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