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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.5, 2003³â, pp.787-797
»êÁö °è·ù¼ö¿¡¼­ÀÇ ÃÑÁú¼Ò, ÃÑÀÎ ¹× CODÀÇ À¯ÃâºÎÇÏ
( Outflow Loads of Total Nitrogen, Total Phosphorus, and COD in Mountain Stream Water )
±èÁø¼ö;±è¼±Á¾;¿À±¤¿µ;¿À½Â¿µ;±èÀç¼ö;Á¤¿ëÈ£; ÃæºÏ´ëÇб³ ³ó°øÇаú;ÃæºÏ´ëÇб³ ³ó°øÇаú;ÃæºÏ´ëÇб³ ³ó°øÇаú;ÃæºÏ´ëÇб³ ³ó°øÇаú;ÃæºÏ´ëÇб³ »ê¸²°úÇкÎ;ÀÓ¾÷¿¬±¸¿ø »ê¸²¼öÀÚ¿ø¿¬±¸½Ç;
 
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»êÁö°è·ù¼ö¿¡¼­ÀÇ T-N(ÃÑÁú¼Ò), T-P(ÃÑÀÎ) ¹× COD(È­ÇÐÀû»ê¼Ò¿ä±¸·®)ÀÇ ³óµµ¿Í À¯ÃâºÎÇÏÀÇ º¯È­¸¦ ÆÄ¾ÇÇÏ°í »ê¸²ÀÇ ¼öÁúÁ¤È­±â´ÉÀ» Æò°¡ÇÏ¿´´Ù. ÃæÃ»ºÏµµ¿¡ ÀÖ´Â ½ÃÇèÀ¯¿ªÀº ¸éÀûÀÌ 92.5 haÀ̸ç 59%ÀÇ È¥È¿¸²°ú 30%ÀÇ Ä§¿±¼ö¸²À¸·Î ±¸¼ºµÇ¾î ÀÖ´Ù. ½ÃÇèÀ¯¿ªÀÇ ¸»´Ü¿¡¼­ Æò»ó½Ã´Â 10ÀÏ °£°ÝÀ¸·Î ¶ÇÇÑ, 1°³ÀÇ °­¿ì»ç»ó¿¡ ´ëÇÏ¿© 2-6 ½Ã°£ °£°ÝÀ¸·Î °è·ù¼öÀÇ À¯·®°ú ³óµµ¸¦ 1³â°£ ÃøÁ¤ÇÏ¿´´Ù. °­¿ì½ÃÀÇ Æò±Õ³óµµ´Â COD¸¸ÀÌ À¯ÀÇÀûÀÎ ¼öÁØ(p<0.05)¿¡¼­ Æò»ó½ÃÀÇ ³óµµº¸´Ù ³ô°Ô ³ªÅ¸³µ´Ù. T-N°ú T-PÀÇ Æò±Õ³óµµ´Â ½Ä»ý»ýÀ°±â(5-10 ¿ù)°¡ ½Ä»ý ÈÞÁö±â(11-4 ¿ù) º¸´Ù ³·°Ô ³ªÅ¸³µ´Âµ¥, ÀÌ´Â ½Ä¹°¿¡ ÀÇÇÑ ¿µ¾ç¿°·ù Èí¼ö¿Í Åä¾çÀÇ ¿Âµµ»ó½Â¿¡ µû¸¥ ¹Ì»ý¹°ÀÇ È°µ¿ÀÌ Áõ°¡Çϱ⠶§¹®À¸·Î »ý°¢µÈ´Ù. ¿¬°£À¯ÃâºÎÇÏ¿¡ ´ëÇÑ °­¼ö½Ã À¯ÃâºÎÇÏÀÇ ºñ´Â T-NÀÌ 87%, T-P°¡ 83%, COD°¡ 87%·Î¼­ ¿¬°£À¯ÃâºÎÇÏ Áß °­¿ì½ÃÀÇ À¯ÃâºÎÇϰ¡ ¸Å¿ì ³ô°Ô ³ªÅ¸³µ´Ù. ½ÃÇèÀ¯¿ªÀÇ ¿À¿°ºÎÇÏ ¿ø´ÜÀ§´Â T-NÀÌ 5.9 kg/ha $cdot$ yr, T-P°¡ 0.15 kg/ha $cdot$ yr, COD°¡ 23.9 kg/ha $cdot$ yr·Î »êÁ¤µÇ¾ú´Ù. ¶ÇÇÑ, ½ÃÇèÀ¯¿ª¿¡ ÀÇÇÑ T-N, T-P ¹× CODÀÇ ¿¬°£Á¦°ÅÀ²Àº °¢°¢ 24, 58, 66%·Î ³ªÅ¸³ª, »ê¸²À¯¿ªÀÌ ¼öÁúÁ¤È­±â´ÉÀ» ¹ßÈÖÇϰí ÀÖ´Â °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
The characteristics of concentrations and loads of Total Nitrogen(T-N), Total Phosphorus(T-P), and Chemical Oxygen Demand (COD) in mountain stream water were examined from September 2000 through August 2001. The 92.5-ha study watershed in Chungbuk Province consists of 59% mixed forest and 30% coniferous forest. Streamflow was measured and water samples were collected at about 10 day intervals for dry days and at 2-6 hour intervals for a storm event at the study watershed outlet. The mean concentration of COD in streamflow for rainy days was significantly (p < 0.05) higher than for dry days. The mean concentrations of T-N and T-P in vegetation growing season (May to October) were lower than those in vegetation dormant season (November to April). Low concentrations of pollutants during vegetation growing season are likely due to the heavy demand for nutrients by the vegetation and biological activity associated with a warming of soil. The ratios of pollutants loads during storm periods to annual pollutants loads were 87% for T-N, 83% for T-p, and 87% for COD. The unit loads of pollutants for study area were estimated at 5.9 kg/ha $cdot$ yr for T-N, 0.15 kg/ha $cdot$ yr for T-p, and 23.9 kg/ha $cdot$ yr for COD. The removal efficiency of pollutants in study area were 24% for T-N, 58% for T-P and 66% for COD, indicating that a study area shows water purification function.
 
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»êÁö°è·ù¼ö;ÃÑÁú¼Ò;ÃÑÀÎ;À¯ÃâºÎÇÏ;¼öÁúÁ¤È­±â´É;mountain stream water;total nitrogen;total phosphorus;outflow load;water purification;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.5, 2003³â, pp.787-797
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311922024543)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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