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Çѱ¹¼öÀÚ¿øÇÐȸ / v.33, no.6, 2000³â, pp.757-764
´ïÀú¼öÁö À¯¿ªÀÇ ¿À¿°ºÎÇÏ À¯ÃâÆ¯¼º - ¼¶Áø°­´ï Àú¼öÁö¸¦ Áß½ÉÀ¸·Î -
( Characteristics of Pollutant Load from a Dam Reservoir Watershed - Case study on Seomjinkang Dam Reservoir - )
ÀÌ¿ä»ó;°­º´¼ö; Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¼Ò;Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¼Ò;
 
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´ïÀú¼öÁö À¯¿ªÀÇ ¿À¿°ºÎÇÏ Æ¯¼º Á¶»ç¸¦ À§ÇÏ¿© °­¿ì±â¿Í ºñ°­¿ì±â·Î ³ª´©¾î ¼¶Áø°­´ï Àú¼öÁö »ó·ù À¯ÀÔÇÏõ¿¡ ´ëÇÑ ¼öÁúÁ¶»ç¸¦ ½Ç½ÃÇÏ¿´´Ù. ºñ°­¿ì±â½Ã¿¡ Á¶»çµÈ °¢ Á¶»ç ÁöÁ¡ÀÇ ¼öÁúÇ׸ñº° ³óµµ´Â »ó´ëÀûÀ¸·Î Àα¸¿Í °¡Ãà µî ¿À¿°¿øÀÌ ¸¹Àº ¿ë»ê±³ ÁöÁ¡¿¡¼­ °¡Àå ³ô°Ô ³ªÅ¸³µ´Ù. °­¼ö½Ã À¯ÃâºÎÇÏ´Â ¸Å¹ø Á¶»ç ½ÃÁ¡¿¡ µû¶ó ´Ù¸£°Ô ³ªÅ¸³ª¸ç °­¿ì·®°ú °­¿ì°­µµ ±×¸®°í ¼±Çà°­¿ì»óÅ µî¿¡ µû¶ó¼­µµ ´Ù¸£°Ô ³ªÅ¸³­´Ù. 1998³â°ú 1999³â¿¡ Á¶»çµÈ ÀÚ·á¿¡¼­ ¼öÁúº¯È­¸¦ »ìÆìº»¸é Á¶»ç±â°£ Áß ÃøÁ¤µÈ Æò±Õ ¼öÁú³óµµ´Â ºñ°­¿ì±â¿¡ ¸Å¿ù ÃøÁ¤ÇÑ Æò±Õ ¼öÁú³óµµ¿¡ ºñÇØ BOD´Â ¾à 1.2¡­1.4¹è, COD´Â 1.2¡­1.7¹è, SS´Â 2.6¡­5.4¹è, T-NÀº 2.3¡­3.0¹è, T-P´Â 2.4¡­7.5¹è Áõ°¡ÇÏ´Â °ÍÀ¸·Î Á¶»çµÇ¾úµû. 1999³â¿¡ Á¶»çµÈ 7ȸÀÇ °­¿ì±â°£Áß »êÁ¤µÈ ºÎÇÏ·®À» 1999³â ÃÑ ºÎÇÏ¿Í ºñ±³Çغ¸¸é Á¶»çµÈ 7ȸÀÇ °­¿ì·®Àº 1999³â ÃѰ­¿ì·® ´ëºñ 17.5%À̳ª ±× ºÎÇÏ´Â BOD, COD°¡ ¾à 28%·Î ¾à 1.6¹è ³ôÀº °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ´ïÀú¼öÁö ºÎ¿µ¾çÈ­¿¡ ÁÖ¿äÇÑ ¿äÀÎÀ¸·Î Æò°¡ÇÏ´Â T-N°ú T-P´Â °¢°¢ 49.3%°ú 49.9%·Î ³ªÅ¸³ª Àϳâ ÃѺÎÇÏ·®ÀÇ 50%¿¡ À°¹ÚÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ°í SS´Â 72.8%·Î ³ªÅ¸³ª °­¿ì½Ã¿¡ À¯ÀԵǴ ¾çÀÌ ¸Å¿ì Å« °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. µû¶ó¼­ È£¼Ò·Î À¯ÀԵǴ À¯ÀÔºÎÇϸ¦ Á¤È®È÷ »êÁ¤Çϱâ À§Çؼ­´Â °­¿ì±â½Ã¿¡ ¼öÁúÃøÁ¤À» ¹Ýµå½Ã ½Ç½ÃÇØ¾ß ÇÒ °ÍÀ¸·Î ÆÇ´ÜµÇ¸ç ÀçÇü¼ºÀ» Æ÷ÇÔÇÑ Á¤·®È­¿¡ ¸¹Àº ³ë·ÂÀ» ÇÏ¿©¾ß ÇÒ °ÍÀÌ´Ù.
The investigation of water quality was performed at the upstream of Seomjinkang dam reservoir for the examination of pollutant load characteristics of the reservoir watershed during flood and normal flow periods. The highest water quality concentration was occurred at Y ongsan during normal flow period where it has been more polluted by population and livestock than other sites. Pollutant load varied depending on the sampling site, rainfall intensity and antecedent precipitation during the rainy period. Based on the water quality data measured from 1998 to 1999, the average concentration during rainy period was much higher than that of non~rainy period: BOD was 1.2~1.4 times, COD 1.2~1.7 times, SS 2.6~5.4 times, T-N 2.3~3.0 times, and T-P 2.4~7.5 times respectively. When the pollutant load measured during 7 different rainy periods in 1999 was compared with total pollutant load in 1999, the BOD and COD load measured during the 7 different rainy periods were 28% that is about 1.6 times as high as those of 1999. On the other hand, the rainfall amount measured during the 7 different rainy periods was about 17.5% of total rainfall amount in 1999. The total pollutant load of TN and TP measured during the 7 different rainy periods was almost 50% of total TN and TP loads in 1999. In case of SS, it was 72.8%. It was concluded that the inflow of pollutants into the lake during the rainy period held a high portion of total inflow in 1999. It was suggested that long~term water quality monitoring be performed to better quantity pollutant load to the lake especially during rainy periods.eriods.
 
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¿À¿°ºÎÇÏ;°­¿ì±â;Æò¼ö±â;¹æ·ù·®;Pollutant Load;Rainy Season;Normal Flow Season;Discharge;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.33, no.6, 2000³â, pp.757-764
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011920730255)
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