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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.33, no.4, 2000³â, pp.387-394
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( Eutrophication and Water Pollution Characteristics of the Kyongan Stream to Paltang Reservoir )
Á¶ÁÖ·¡;Ȳ¼øÁø;Á¶°æÁ¦;½ÅÀç±â; Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¼Ò;°Ç±¹´ëÇб³ Áö¿ª»ýŽýºÅÛ°øÇаú;ÀÎÁ¦´ëÇб³ ȯ°æ½Ã½ºÅÛÇкÎ;°Ç±¹´ëÇб³ Áö¿ª»ýŽýºÅÛ°øÇаú;
 
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°æ¾ÈõÀÇ »ó${cdot}$ÇÏ·ù¿Í ÆÈ´çÈ£ ÁÖ¿ä À¯ÀԺο¡¼­ ºÎ¿µ¾çÈ­ ¾ç»ó°ú ¼öÁú¿À¿° Ư¼ºÀ» ÆÄ¾ÇÇϱâ À§ÇØ 2000³â 4¿ùºÎÅÍ 7¿ù±îÁö Á¶»çÇÏ¿´´Ù. °æ¾Èõ ¼öÁúÀº ÀüÇüÀûÀÎ °ú¿µ¾ç»óŸ¦ º¸¿´°í »ó·ù¿¡ À§Ä¡ÇÑ ¿À${cdot}$Æó¼öó¸®Àå(sewage wastewater treatment plant, SWTP)ÀÇ ¹èÃâ¼ö°¡ º»·ù¿Í ÇÕ·ùµÈ Á÷ÈĺÎÅÍ Å©°Ô ¾ÇÈ­µÇ¾úÀ¸¸ç, ÀÌ¿¡ ´ëÇÑ ¿µÇâÀº ÇÏ·ùÀÇ ºÎ¿µ¾çÈ­¿¡ Àý´ëÀûÀ̾ú´Ù. ¹èÃâ¼ö·ÎºÎÅÍ ºñ·ÔµÇ´Â NH$_{4}$¿Í SRP ¿µ¾ç¿°Àº ÇÏ·ù·Î À¯ÇÏÇϸ鼭 ±Þ°¨ÇÏ´Â ¹Ý¸é¿¡ ÀÚ»ýÀ¯±â¹°ÀÇ chl-a´Â Áß·ù¿¡¼­ Æø¹ßÀûÀÎ Áõ°¡¸¦ º¸¿´´Ù. ȯ°æ¿äÀÎ Áß º»·ù¿¡¼­ NH$_{4}$, SRP ¹× chl-aÀÇ Æò±Õ³óµµ´Â °¢°¢ 1,343 ${mu}$g N/l, 1,779 ${mu}$g P/l ¹× 188 ${mu}$g/l¿´°í, ƯÈ÷ P¿¡ ´ëÇÑ ºÎÇϰ¡ ¸Å¿ì ÄÇÀ¸¸ç ½Ä¹°Çöûũſ »ýÀå¿¡ ¹ÌÄ¡´Â ¿µÇâÀÌ ÇöÀúÇÏ¿´´Ù. ÆÈ´çÈ£ À¯ÀԺΠ¼öÁúÀÇ ºñ±³¿¡¼­ °æ¾ÈõÀº ºÏÇѰ­°ú ³²ÇѰ­ÀÇ ´Ù¸¥ ÇÏõ¿¡ ºñÇØ ¿À¿° ¼öÁØÀÌ °¡Àå ³ôÀº °ÍÀ¸·Î º¼ ¼ö ÀÖ¾ú´Ù. °á°úÀûÀ¸·Î º¼ ¶§, °æ¾Èõ »Ó¸¸ ¾Æ´Ï¶ó ÆÈ´çÈ£ÀÇ »ó¼ö¿ø ¼öÁúº¸È£¸¦ À§Çؼ­´Â ¿À${cdot}$Æó¼ö 󸮼öÀÇ Á¡¿À¿°¿ø °ü¸®¿¡ ´ëÇÑ ´ëÃ¥ ¸¶·ÃÀÌ ¸Å¿ì ½Ã±ÞÇÑ °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù.
Water pollution characteristics were investigated in the Kyongan stream and major inlet parts of Paltang Reservoir from April to July, 2000. Water quality in the Kyongan stream was extremly deteriorated by treated wastewater discharge at near sewage wastewater treatment plant (SWTP) located in the upstream, and it is likely to influence eutrophication of the lower part of the stream. Water quality of the Kyongan stream showed a typical hypertrophic condition. Influxed concentrations with $NH_4$ and SRP into the main stream from SWTP were declined precipitously as water flowed toward the lower part of the stream, and chlorophyll- a explosively increased in the midstream. Average concentrations of $NH_4$, SRP and chlorophyll-a in the main stream were $1,343;{mu}g;N/l$, $1,779;{mu}g;P/l$ and $188;{mu}g;l$, respectively. Particularly, phosphorus load was very high, and its influence on the algal growth stimulation was remarkable. In comparison with the water quality inflowing into Paltang Resevoir, pollution status of the Kyongan stream was more worse than that in the Pukhan River and the Namhan River. The results of this study indicate that the management of point source, SWTP effluent, is urgent to mitigate eutrophication of Paltang Reservoir, and requires further necessary controls of inorganic phosphorus loading.
 
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Eutrophication;Kyongan Stream;Nitrogen;Phosphorus;Paltang Reservoir;Point source;Sewage wastewater treatment plant (SWTP);
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.33, no.4, 2000³â, pp.387-394
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200018317176465)
¾ð¾î : Çѱ¹¾î
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