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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.35, no.3, 2002³â, pp.181-186
¾Æ»êÈ£ÀÇ »ýÅÂÇÐÀû ¿¬±¸ 1.ÀÌÈ­ÇÐÀû Ư¼º°ú ¿µ¾ç»óÅÂ
( Ecological Studies on the Asan Reservoir. 1. Physicochemical chracteristics and Trophic Status )
Àü»óÈ£;½ÅÀ±±Ù; °­¿ø´ëÇб³ ȯ°æ°úÇаú;»óÁö´ëÇб³ ȯ°æ°øÇаú;
 
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º» ¿¬±¸´Â 1997³â 3¿ùºÎÅÍ 11¿ù°¡Áö ¾Æ»êÈ£ 19°³ Á¤Á¡¿¡¼­ ºÎ¿µ¾çÈ­ Á¤µµ¸¦ Æò°¡Çϱâ À§ÇÏ¿© ÀÌÈ­ÇÐÀû ȯ°æ¿äÀÎÀ» Á¶»çÇÏ¿´´Ù. ¼ö¿ÂÀº ÀÇ $8.3{sim}35.3{circ}^C$¹üÀ§¿´°í¡¡¿©¸§Ã¶¿¡ ¼ö¿Â ¾àÃþÀÌ Çü¼ºµÇ´Â °ÍÀ¸·Î ³ª¿ÔÀ¸¸ç ¿ëÁ¸»ê¼Ò·®µµ °°Àº °æÇâÀ» º¸¿´´Ù. Åõ¸íµµ´Â $0.1{sim}1;m$ÀÇ ¹üÀ§·Î ¸Å¿ì ³·¾ÒÀ¸¸ç SS´Â $11.3{sim}2143.3;mg/l$ÀÇ ¹üÀ§·Î °­¿ì·®°ú ½Ä¹°ÇöûũſÀÇ ÇöÁ¸·®¿¡ ÀÇÇØ ¿µÇâÀ» ¹Þ´Â¡¡°ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¿µ¾ç¿° ³óµµ´Â Áöõ¿¡¼­ ³ô°í ÇÏ·ù·Î °¥¼ö·Ï ³·¾ÆÁö´Â °æÇâÀ» º¸¿´À¸¸ç °èÀýÀûÀ¸·Î´Â ³ìÁ¶Çö»óÀÌ ÀϾ ¿©¸§°ú Ãʰ¡À»¿¡ ³·¾Ò°í Ãʺ½°ú °Ü¿ï¿¡´Â ³ô¾Ò´Ù. Carlson ÀÇÇÑ ºÎ¾ç¾çÈ­µµ (Trophic State Index)¸¦ °¡Áö°í ÆÇÁ¤ÇÑ ¾Æ»êÈ£ÀÇ ¿µ¾ç»óÅ´ °ú¿µ¾ç »óÅÂÀ̾ú´Ù.
To evaluate the eutrophication status of the Asan Reservoir in Korea, physicochemical parameters were analyzed for samples of 19 sampling stations collected in the period from March to November in 1997. Water temperature was in the range of $8.3{sim}35.3{circ}^C$, with thermocline appearing in summer. Dissolved oxygen also showed similar verticle variation to temperature. Secchi depth was very shallow with a range of $0.1{sim}1;m$. Suspended solids ranged from 11.3 mg/1 to 2143.3 mg/1, and seemed to be affected by the amount of rainfall and the standing stocks of phytoplankton. Nutrient concentrations were higher in tributaries, and decreased with downflow. Nutrients were low in the summer and early autumn when algal blooms occur, and high in the early spring and winter. The Trophic State Index showed that the Asan Reservoir is in a hypertrophic condition£®
 
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Asan Reservoir;physicochemical characteristics;TSI;eutrophication;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.35, no.3, 2002³â, pp.181-186
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200218317179835)
¾ð¾î : Çѱ¹¾î
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