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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.34, no.4, 2001³â, pp.319-326
´ëûȣÀÇ geosmin ³óµµ¿Í ȯ°æ¿äÀΰúÀÇ °ü°è
( Geosmin Concentration and Its Relation to Environmental Factors in Daechung Reservoir, Korea )
¹Ú´ë±Õ;¸ÍÁÖ¼±;¾ÈÄ¡¿ë;Á¤¾È½Ä;ÀÌÁøÈ¯;¿ÀÈñ¸ñ; ¼­°­´ëÇб³ »ý¸í°úÇаú;¼­°­´ëÇб³ »ý¸í°úÇаú;Çѱ¹°úÇбâ¼ú¿ø »ý¹°°úÇаú;Çѱ¹°úÇбâ¼ú¿ø »ý¹°°úÇаú;»ó¸í´ëÇб³ »ý¹°Çаú;Çѱ¹»ý¸í°øÇבּ¸¿ø »ý¹°°øÁ¤¿¬±¸½Ç;
 
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´ëûȣ¿¡¼­ 1999³â 4¿ùºÎÅÍ 10¿ù±îÁö 25ÁÖ°£¿¡ °ÉÃÄ ÀÌÈ­ÇÐÀû, »ý¹°ÇÐÀû ¼öÁú°ú geosmin³óµµ¸¦ Á¶»çÇÏ¿´´Ù. GeosminÀº ´ëºÎºÐ ´ÊÀº ¿©¸§¿¡ $1.16{sim}5.28;ng;L^{-1}$ÀÇ ³óµµ·Î ÃÑ 5ȸ °ËÃâµÇ¾ú´Ù. GeosminÀÇ °¡Àå ³ôÀº ³óµµ´Â 8¿ù 31ÀÏ·Î Á¶»çµÇ¾úÀ¸¸ç phycocyanin ³óµµ, cyanobacteria ¼¼Æ÷¼ö, Anabaena spiroides ¼¼Æ÷¼ö µîÀÌ ÃÖ°íÁ¶¿¡ ´ÞÇÏ´Â ½Ã±â¿Í ÀÏÄ¡ÇÏ¿´´Ù. Geosmin ³óµµ¿Í ȯ°æ¿äÀΰúÀÇ »ó°üºÐ¼®¿¡ ÀÇÇϸé geosmin»ý»êÀº ¼ö¿Â,pH,ÃÑ¿ëÁ¸ÀÎ ±×¸®°í A. spiroides ¼¼Æ÷¼ö¿¡ ÀÇÇÏ¿© Å©°Ô °áÁ¤µÇ´Â °ÍÀ¸·Î º¸ÀδÙ. Geosmin »ý»êÀº ¼ö¿Â $27^{circ}^C$, pH´Â 8.5, ÃÑ¿ëÁ¸ÀÎÀº $0.06;mg;L^{-1}$ ÀÌ»óÀÇ Á¶°Ç¿¡¼­ ³ªÅ¸³µ´Ù. ÀÌ¿Í °°Àº Á¶°Ç¿¡¼­ A. spiroides ¼¼Æ÷¼ö°¡ $10,000;mL^{-1}$ ÀÌ»óÀ̸é geosminÀ̰ËÃâµÈ´Ù°í º¼ ¼ö ÀÖ´Ù.
The biological and physicochemical factors and geosmin concentration were monitored in the Daechung Reservoir for 25 weeks from April to October in 1999. Geosmin was detected 5 times within a range of $1.16{sim}5.28;ng;L^{-1}$, mostly in the late summer. The highest geosmin concentration was recorded on August 31, which also overlapped with the peaks of phycocyanin concentration, cyanobacterial density, and Anabaena spiroides density. A correlation analysis indicated that geosmin production was closely related with a high water temperature, pH, total dissolved phosphorus (TDP), and A. spiroides density. A water temperature of $27^{circ}^C$, pH of 8.5, and TDP of $0.06;mg;L^{-1}$ were identified as the prerequisite environmental condition sand threshold values for geosmin production. Accordingly, under such conditions, an A. spiroides density above $10,000;cells;mL^{-1}$ indicates imminent geosmin occurrence.
 
Ű¿öµå
Anabaena spiroides;Cyanobacteria;Daechung Reservoir;Geosmin;Odorous compound;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.34, no.4, 2001³â, pp.319-326
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200118317178745)
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