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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.27, no.4, 2009³â, pp.414-424
³²ÇѰ­ Áö·ùÀÎ º¹ÇÏõ°ú ´ÞõÀÇ ºÎÂø±ÔÁ¶¸¦ ÀÌ¿ëÇÑ »ý¹°ÇÐÀû ¼öÁúÆò°¡
( Water Quality Assessed by DAIpo and TDI of Bokha Stream and Dal Stream in South-Han River )
±è¿ëÁø;½Å°æ¾Ö;ÀÌ¿Á¹Î; °æ±â´ëÇб³ »ý¸í°úÇаú;°æ±â´ëÇб³ »ý¸í°úÇаú;°æ±â´ëÇб³ »ý¸í°úÇаú;
 
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º» ¿¬±¸´Â 2008³â 6¿ùºÎÅÍ 2009³â 3¿ù±îÁö ³²ÇѰ­ Áö·ùÀÎ º¹ÇÏõ°ú ´ÞõÀÇ ÀÌÈ­ÇÐÀû ¼öÁú ¹× ºÎÂø±ÔÁ¶¸¦ ÀÌ¿ëÇÑ »ý¹°ÇÐÀû ¼öÁúÆò°¡¸¦ ÇÏ¿´´Ù. ±× °á°ú º¹ÇÏõÀº ¿µ¾ç¿°ÀÇ ÃÑÀÎÀÌ $0.041{sim}0.886;mgcdot}L^{-1}$ ÃÑÁú¼Ò°¡ $0.336{sim}10.532;mgcdot}L^{-1}$ÀÇ ¹üÀ§·Î ¸Å¿ì ³ô°Ô ³ªÅ¸³µÀ¸¸ç, BODÀÇ ³óµµµµ ÀϺÎÁöÁ¡À» Á¦¿ÜÇϰí $2{sim}5;mgcdot}L^{-1}$ÀÇ ¹üÀ§·Î ¼öÁúÀÌ ´Ù¼Ò ¿À¿°µÈ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ´ÞõÀº ÇÏ·ù Á¤Á¡ ¹× ÀϺΠÁöÁ¡À» Á¦¿ÜÇϰí ÃÑÀÎÀÌ $0.06;mgcdot}L^{-1}$ ÀÌÇÏ, ÃÑ Áú¼Ò°¡ $2.0;mgcdot}L^{-1}$ ÀÌÇÏ, BOD°¡ $2.0;mgcdot}L^{-1}$ ÀÌÇÏ·Î ¼öÁúÀÌ ¸Å¿ì ¾çÈ£ÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. Á¶»ç±â°£ µ¿¾È º¹ÇÏõ°ú ´Þõ ÃÑ 12°³ Á¤Á¡¿¡¼­ ÃâÇöÇÑ ºÎÂø±ÔÁ¶·ù´Â ÃÑ 98ºÐ·ù±ºÀ¸·Î 2¸ñ 2¾Æ¸ñ 8°ú 22¼Ó 85Á¾ 13º¯Á¾ÀÌ ÃâÇöÇÏ¿´À¸¸ç, º¹ÇÏõÀÌ ÃÑ 67ºÐ·ù±º, ´ÞõÀÌ 78ºÐ·ù±º ÃâÇö ÇÏ¿´´Ù. »ý¹°ÇÐÀû ¼öÁúÆò°¡ °á°ú º¹ÇÏõÀº ´ëºÎºÐ $alpha$-Áߺμö¼ºÀ̰í, TDI 80 ÀÌ»óÀ¸·Î ¿À¿°ÀÌ ½É°¢ÇÑ °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ´ÞõÀº ÇÏ·ù¸¦ Á¦¿ÜÇÑ Àü Á¤Á¡¿¡¼­ ±ØºóºÎ¼ö¼º ¹× $alpha$-Áߺμö¼º, TDI 50 ÀÌÇÏ·Î »ý¹°ÇÐÀû ¼öÁúÀÌ ¾çÈ£ÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. »ó°üºÐ¼® °á°ú DAIpo¿Í TDIÀÇ »ó°ü¼ºÀÌ »ó°ü°è¼ö 0.83·Î ³ô°Ô ³ªÅ¸³µÀ¸¸ç, ¼öÁúÀÌ ¾çÈ£ÇÑ ÇÏõÀϼö·Ï ÀÌÈ­ÇÐÀû ¼öÁúÆò°¡¿Í »ý¹°ÇÐÀû ¼öÁúÆò°¡ÀÇ »ó°ü¼ºÀÌ ³ôÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¶ÇÇÑ DAIpoº¸´Ù ³ÐÀº ¹üÀ§ÀÇ ±ÔÁ¶·ù¸¦ ´ë»óÀ¸·Î ÇÏ´Â TDIÁö¼ö°¡ ¾ÈÁ¤ÀûÀÎ °á°ú¸¦ µµÃâÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
The research was to get a biological assessment on Bokha stream and Dal stream, using the physicochemical factors and the epilithic diatom from June, 2008 to March, 2009. As a result, Bokha stream showed high consistency of total phosphorus ($0.041{sim}0.886;mg{cdot}L^{-1}$), and total nitrogen ($0.336{sim}10.532;mg{cdot}L^{-1}$). Also, the concentration of BOD showed most of the sites polluted as $2{sim}5;mgcdot}L^{-1}$ except for the upstream sites. However, excluding downstream sites and other few sites, Dal stream had very clean water quality having total phosphorus less than $0.06;mgcdot}L^{-1}$, and total nitrogen less than $2.0;mgcdot}L^{-1}$. Out of the 12 total sites, 98 taxa of epilithic diatoms appeared: 67 taxa from Bokha stream, and 78 taxa from Dal stream. The results of the water quality assessment showed that, Bokha stream, having TDI level over 80, was mostly $alpha$-mesosaprobic, which indicates a severe pollution. On the other hand, Dal stream, having TDI level below 50, was examined to be xenosaprobic and $alpha$-oligosaprobic, which indicates a clean water quality. The correlation between DAIpo and TDI measured to be high in correlation coefficent (0.83) from the result of correlation analysis. When the water quality is good, there is an inclination of getting high correlation between chemical and biological water quality assessment results. TDI, which uses numerous taxa of diatoms, showed more stability than DAIpo, which uses less amount of taxa of diatoms to get its result.
 
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ȯ°æ»ý¹° / v.27, no.4, 2009³â, pp.414-424
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200920460307098)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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