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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.39, no.4, 2006³â, pp.481-488
ºñÁ¡¿ø¿À¿° Á¦¾î¸¦ À§ÇÑ Àΰø½ÀÁöÀÇ Ãʱâ´Ü°è ¿¬±¸
( Early Stage Performance of Constructed Wetland System for Nonpoint Source Pollution Control )
±èÇüö;ÇÔÁ¾È­;ÇÑÁ¤À±;À±Ãá°æ; °Ç±¹´ëÇб³ ȯ°æ°úÇаú;;°Ç±¹´ëÇб³ ȯ°æ°úÇаú;°Ç±¹´ëÇб³ ȯ°æ°úÇаú;
 
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ÃÖ±Ù ¿ì¸®³ª¶ó¿¡¼­´Â À¯¿ª´ÜÀ§·Î ¹èÃâµÇ´Â ¿À¿°¿øÀÇ 40% ÀÌ»óÀ» Â÷ÁöÇϰí ÀÖ´Â ºñÁ¡¿À¿°¿øÀÇ Á¦¾î°¡ Áß¿äÇØÁ³´Ù. À¯¿ªÀÇ ºñÁ¡¿À¿°¿øÁ¦¾î¸¦ À§ÇØ Àü¼¼°èÀûÀ¸·Î Àΰø½ÀÁö°¡ ¸¹ÀÌ ÀÌ¿ëµÇ°í ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ºñÁ¡¿À¿°¿ø Á¦¾î¸¦ À§ÇÑ ÇöÀå½ÇÇèÀ» 2002³â 6¿ùºÎÅÍ 2004³â 6¿ù±îÁö ½Ç½ÃÇÏ¿´´Ù. Àΰø½ÀÁö¿Í À¯¼öÁö°¡ ÇϳªÀÇ ½Ã¼³·Î½á °¢°¢ 4°³¾¿ Á¶¼ºµÇ¾îÀÖÀ¸¸ç, ¸éÀûÀº 0.88 haÀÌ´Ù. ½ÀÁöÀÇ ½Ä»ýÀº ½ÄÀ縦 ÇÏÁö ¾Ê°í, ÀÚ¿¬Àû È°ÂøÀ» À¯µµÇÏ¿´À¸¸ç, 3¹øÀÇ »ýÀå±â¸¦ °ÅÄ£ 2004³âµµ ½Ä»ýÁ¶»ç °á°ú °¢ ½ÀÁöº°·Î Æò±Õ ¾à 90% Á¤µµÀÇ ½Ä»ýÇǵµ¸¦ ³ªÅ¸³»¾ú´Ù. $BOD_5$, TSS, TN, TPÀÇ Æò±Õ Á¦°ÅÀ²Àº °¢°¢ 5.6%, 46.6%, 45.7%, 54.8%·Î ³ªÅ¸³µ´Ù. $BOD_5$ÀÇ Á¦°ÅÀ²Àº ³·°Ô ³ªÅ¸³µ´Âµ¥, ÀÌ´Â À¯ÀÔ¼öÀÇ ³óµµ°¡ ³·±â ¶§¹®¿¡ Á¦°ÅÈ¿À²ÀÌ ³·°Ô ³ªÅ¸³­ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù. À¯¼öÁö-½ÀÁöÀÇ ¹èÄ¡°¡ ½ÀÁö-À¯¼öÁö ¹èÄ¡º¸´Ù ÀüüÀûÀ¸·Î ´õ ÁÁÀº ¼öÁúÀ» ³ªÅ¸³»¾ú´Ù. ÀÏÂ÷¹ÝÀÀ¸ðÇü (First-order analysis)°á°ú TP´Â ¿Âµµ¿¡ ¸¹Àº ¿µÇâÀ» ¹ÞÁö ¾ÊÀ¸¸ç, $BOD_5$¿Í TSS´Â TNº¸´Ù´Â ¿Âµµ¿¡ ¿µÇâÀ» ¹Þ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸ °á°ú Àΰø½ÀÁö´Â À¯¿ª¿¡¼­ À¯ÀԵǴ ºñÁ¡¿À¿°¿øÀÇ Ã³¸®½Ã¼³·Î È¿°úÀûÀÎ °ÍÀ¸·Î »ý°¢µÈ´Ù.
The field scale experiment was performed to examine the performance of the constructed wetland for nonpoint source (NPS) pollution loading reduction. Four sets (0.88 ha each) of wetland and pond system were used. After three growing seasons of the wetland construction, plant coverage increased to about 90% even without plantation from bare soil surfaces at the initial stage. During the start up period of constructed wetlands, lower water levels should be maintained to avoid flooding newly plants, if wetland plants are to start from germinating seeds. The average removal rate of $BOD_5$, TSS, T-N and T-P during the first two years was 5.6%, 46.6%, 45.7%, and 54.8%, respectively. The $BOD_5$ removal rate was low and it might be attributed to the low influent concentration. The early stage of wetland performance demonstrated the effectiveness of water quality improvement and was satisfactory for treating polluted stream waters. From the first-order analysis, T-P was virtually not temperature dependent, and $BOD_5$ and TSS were more temperature dependent than T-N. A pond-wetland system was more effective than a wetland-pond or a wetland alone system in water quality improvement, particularly to reduce T-P. Overall, the wetland system was found to be an adequate alternative for treating a polluted stream water with stable removal efficiency and recommended as a NPS control measures.
 
Ű¿öµå
constructed wetland;nonpoint source pollution;nutrient removal;plant cover;pond;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.39, no.4, 2006³â, pp.481-488
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200618317187793)
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