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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.39, no.1, 2006³â, pp.21-31
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( Comparative Analysis of Long-term Water Quality Data Monitored in Andong and Imha Reservoirs )
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º» ¿¬±¸´Â 1993 ${sim}$ 2004³âÀÇ ±â°£¿¡ ȯ°æºÎ¿¡¼­ ÃøÁ¤µÈ ¾Èµ¿È£ ¹× ÀÓÇÏÈ£ÀÇ ÀÌÈ­ÇÐÀû ¼öÁúÀڷḦ ÀÌ¿ëÇÏ¿© Àå±â°£ÀÇ ¿µ¾ç»óÅ ºÐ¼® ¹× ±×¿¡ µû¸¥ °èÀýº°, ¿¬º° ¼öÁúº¯È­¾ç»óÀ» ºÐ¼®ÇÏ¿´´Ù. Àå±âÀûÀÎ À°¼öÇÐÀû ÃßÀ̺м®¿¡ µû¸£¸é, ÀÓÇÏÈ£ÀÇ ÃѺÎÀ¯¹° (Total suspended solids, TSS)ÀÇ ³óµµ´Â ¾Èµ¿È£¿¡ ºñÇØ Ư¼º ½Ã±â¿¡ 2 ${sim}$ 8¹è ÀÌ»óÀÇ Å« Áõ°¡¸¦ º¸¿´À¸¸ç, ÀÌ·± ±â°£ µ¿¾È ÃÑÀÎ(Total phosphorus, TP) ¹× »ý¹°ÇÐÀû »ê¼Ò¿ä±¸·® (Biological oxygen demand, $BOD_5$)Àº Áõ°¡ÇÏ¿´°í, Åõ¸íµµ(Secchi depth, SD)´Â °¨¼Ò¸¦ º¸¿´´Ù. ÇÑÆí, µ¿ÀϱⰣ µ¿¾È ¿±·Ï¼Ò(Chlorophyll-a, CHL-a)´Â Â÷À̰¡ °ÅÀÇ ¾ø°Å³ª ÀϺΠ°¨¼ÒÇÏ´Â °æÇâÀ» º¸¿© ´ÜÀ§ ÃÑÀÎ´ç ¿±·Ï¼ÒÀÇ ³óµµ(Chl-a/TP ratio)´Â ¶Ñ·ÇÇÑ °¨¼ÒÇö»óÀ» º¸¿´´Ù. ¿µ¾ç»óÅ (Trophic State Index, TSI)ÀÇ º¯ÀÌ ºÐ¼®¿¡ µû¸£¸é, ÀÓÇÏÈ£¿¡¼­ TSI (CHL-a)-TSI(SD) °ª ¹× TSI (CHL-a)-TSI (TP) °ªÄ¡ 70% ÀÌ»óÀÌ 0 ÀÌÇÏÀÇ À½¼ö°ªÀ» º¸¿´À¸¸ç, °ÅÀÇ -60±îÁöÀÇ °ªÀ¸·Î ³ªÅ¸³ª ¹«±â¼º ºÎÀ¯¹°(inorganic solids)ÀÇ ¿µÇâÀÌ ¾Èµ¿È£¿¡ ºñÇØ Å©°Ô ³ªÅ¸³µ´Ù. Áï, ÀÓÇÏÈ£¿¡¼­ ¹«±â¼º ¹Ì¼¼ºÎÀ¯¹°Àº ½Ä¹°Çöûũſ ¼ºÀå¿¡ ´ëÇÑ ±¤Á¦ÇÑ È¿°ú¸¦ º¸¿© ¿µ¾ç»óÅ Áö¼öµé°£ÀÇ »óÈ£°ü°èÀÇ º¯ÀÌ¿¡ ¾Èµ¿È£º¸´Ù Á» ´õ Á÷Á¢ÀûÀ¸·Î ±â¿©ÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ƯÈ÷, À帶Àü±â, À帶±â ¹× À帶Èı⿡ µÎ È£¼öÀÇ ¼öü³» ÃÑÀÎ ³óµµÀÚ·á ºÐ¼®¿¡ µû¸£¸é, ÇÏÀý±â À帶°¡ ½ÉÇÒ ¶§ ÀÓÇÏÈ£¿¡¼­ À帶ÈıâÀÇ ÃÑÀγ󵵴 ¾Èµ¿È£¿¡ ºñÇØ ¿ùµîÇÏ°Ô ³ô°Ô ³ªÅ¸³µ´Âµ¥, ÀÌ·± ÁÖ¿ä ¿øÀÎÀº ÇÏÀý±âÀÇ ÁýÁß°­¿ì¿¡ ÀÇÇÑ ¼ö°èħ½Ä ¹× ºñÁ¡¿À¿°¿øÀ¸·ÎºÎÅÍ ºÎÀ¯¹°À» Áõ°¡·Î »ç·áµÇ¾úÀ¸¸ç, ÀÌ¿¡ ´ëÇÑ ´ëÃ¥¸¶·ÃÀÌ ½Ã±ÞÇÑ °ÍÀ¸·Î »ç·áµÇ¾ú´Ù. ¼öÁúÀÌ ÈÞ¾ç¿ë¼ö·Î¼­ »ç¿ëÇÏ´Â µ¥¿¡ ÀûÇÕÇϵµ·Ï ÃæºÐÇÑ Â÷Áý½Ã¼³°ú ȯ°æ ±âÃʽü³ÀÇ ¼³Ä¡ ¿î¿µÀÌ ÇÊ¿äÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.TEX>$K_s$°ªÀÌ ³ô°í $V_m/K_s$ºñÀ²Àº ³·¾Æ ¼ö°Ô¿¡¼­ Áú¼Ò°¡ Àú³óµµ ÀÏ ¶§¿¡´Â ´Ù¸¥ ¹Ì¼¼Á¶·ù¿Í ºñ±³ÇÏ¸é °æÀï·ÂÀÌ ¶³¾îÁö°í Áú¼Ò¿¡ ´ëÇÑ ±âÁú ģȭ·ÂÀº ¾àÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ³«µ¿°­ ÇÏ·ùÁö¿ª¿¡¼­ M. aeruginosa°¡ ´ë¹ß»ýÇÏ´Â ½Ã±â¿¡ ¼öÁß ¿µ¾ç¿°ÀÇ ³óµµ º¯µ¿Àº M. aeruginosaÀÇ ¿µ¾ç»ý¸® kinetics Ư¼º°ú Àß ºÎÇÕÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.ºÎºÐÀ» º¸¿ÏÇϱâ À§ÇÑ ¿¬±¸°¡ ÀÌ·ç¾îÁ®¾ß ÇÒ °ÍÀ¸·Î º¸ÀδÙ. ¿¬¸¶¹æ¹ý °£¿¡ »óÈ£ ¿¬°ü¼ºÀÌ ¾ø¾ú´Ù. FE-SEM°üÂû¿¡¼­ ·¹ÁøÀü»öÁ¦¸¦ Àû¿ëÇÑ ÈÄÀÇ Ç¥¸éÀº ¸ðµç ±º¿¡¼­ ´ëüÀûÀ¸·Î ÆòȰÇÑ Ç¥¸éÀ» ³ªÅ¸³»¾ú´Ù. 4. µ¿ÀÏÇÑ º¹ÇÕ·¹Áø°ú ¿¬¸¶¹æ¹ýÀ¸·Î ó¸®µÈ ±º¿¡¼­ ·¹ÁøÀü»öÁ¦ Àû¿ë Àü°ú ÈÄÀÇ Ç¥¸éÁ¶µµ °ªÀº M1B±ºÀÌ M1±ºº¸´Ù, S1B±ºÀÌ S1±ºº¸´Ù Åë°èÇÐÀûÀ¸·Î ³ô°Ô ³ªÅ¸³µÀ¸¸ç, M4B±º°ú M5B±ºÀº °¢°¢ M4±º°ú M5±º º¸´Ù. ±×¸®°í S5B±ºÀº S5±º º¸´Ù Åë°èÇÐÀûÀ¸·Î ³·°Ô ³ªÅ¸³µ´Ù (p<0.05). º» ¿¬±¸¸¦ Á¾ÇÕÇÏ¿© º¸¸é, º¹ÇÕ·¹ÁøÀÇ Á¾·ù¿¡ µû¶ó Ç¥¸éÁ¶µµÀÇ ¼ø¼­´Â ´Ù¸£°Ô ³ªÅ¸³µ°í, polyester strip ÇÏ¿¡¼­ º¹ÇÕ·¹ÁøÀÌ ÁßÇÕµÈ °æ¿ì °¡Àå ³·Àº Ç¥¸éÁ¶µµ °ª°ú ÆòȰÇÑ Ç¥¸éÀ» Á¦°øÇÏ¿´À¸¸ç Àü¹ÝÀûÀ¸·Î anishing bur´Â °¡Àå ³ôÀº Ra°ª°ú °ÅÄ£ Ç¥¸éÀ» Á¦°øÇÏ¿´´Ù. Enhance, Astropol, carbide finishing bur·Î ¿¬¸¶ÇÑ Ç¥¸éÀº ·¹ÁøÀü»öÁ¦ÀÇ »ç¿ëÀ¸·Î ÆòȰÇÑ Ç¥¸éÀ» ¾òÀ» ¼ö ÀÖ¾úÁö¸¸, polyester strip°ú Sof-Lex disc·Î ¾ò¾îÁø Ç¥¸éÀº ·¹ÁøÀü»öÁ¦ÀÇ »ç¿ëÀ¸·Î Ç¥¸éÁ¶µµÀÇ °³¼±ÀÌ ÀÌ·ç¾îÁöÁö ¾Ê¾Ò´Ù.^{11}C]raclopride$ PETÀ» ÀÌ¿ëÇÏ¿© ºñÈí¿¬ Á¤»óÀο¡¼­ Èí¿¬¿¡ ÀÇÇÑ µµÆÄ¹Î À¯¸®¸¦ ¿µ»óÈ­ ¹× Á¤·®È­ ÇÏ¿´°í, Èí¿¬¿¡ ÀÇÇÑ ¼±Á¶Ã¼³» µµÆÄ¹Î À¯¸®´Â Èí¿¬½Ã Èí¼öµÈ ´ÏÄÚÆ¾ÀÇ
The objectives of this study were to analyze trends of temporal water quality and trophic state in Andong and Imha reservoirs using chemical dataset during 1993 ${sim}$ 2004, obtained from the Ministry of Environment, Korea. According to long-term limnological analyses, Suspended solids (SS) in Imha Reservoir were 2 ${sim}$ 8 fold2 greater, than those in SS of Andong Reservoir, and the high solids increased total phosphorus (TP) and biological oxygen demand ($BOD_5$) and decreased the transparency, measured as Secchi depth (SD). Chlorophyll-a (CHL-a) increased little or decreased slightly in the both reservoirs during the high solids, resulting in reduced yields of CHL-a : TP ratios. The deviation analysis of Trophic State Index (TSI) in Imha Reservoir showed that about 70% of TSI (CHL-a)-TSI (SD) and TSI (CHL-a)-TSI(TP) values were less than zero and the lowest values were-60, indicating that influence of inorganic solids (or non-volatile solids) on phytoplankton growth was evident in Imha Reservoir and the impact was greater than that of Andong Reservoir. Inorganic solids in Imha Reservoir resulted in light limitation on phytoplankton growth and thus contributed variations in the relations among three parameters of trophic state index. Especially, seasonal data analysis of nutrients in both reservoirs showed that during the postmonsoon, mean TP concentration was Imha Reservoir greater in than that in Andong Reservoir. The higher TP concentrantion was mainly attributed to increases of inorganic solids from soil erosions and nonpoint source inputs within the watershed. The high inorganic turbidity in Imha Reservoir should be reduced for the conservation of water quality for, especially a tap water supply.
 
Ű¿öµå
water quality;suspended solids;phosphorus;reservoir;chlorophyll-a;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.39, no.1, 2006³â, pp.21-31
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200618317186401)
¾ð¾î : Çѱ¹¾î
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