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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.36, no.3, 2003³â, pp.257-268
ÆÈ´çÈ£¿¡¼­ ¼öÁß Å¹µµÀÇ ÀÏ º¯µ¿°ú °íʼöÀÇ ÀÔÀÚ ºÐÆ÷
( Daily Variations of Water Turbidity and Particle Distribution of High Turbid-Water in Paltang Reservoir, Korea )
½ÅÀç±â;°­Ã¢±Ù;Ȳ¼øÁø; °Ç±¹´ëÇб³ Áö¿ª°Ç¼³È¯°æ°øÇаú;±¹¸³¼ö»ê°úÇпø ȯ°æ°ü¸®°ú;°Ç±¹´ëÇб³ Áö¿ª°Ç¼³È¯°æ°øÇаú;
 
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ÇÏõÇü Àú¼öÁö (ÆÈ´çÈ£)¿¡¼­ ʵµÀÇ º¯µ¿°ú ʼö¿¡ Æ÷ÇÔµÈ ÀÔÀÚÀÇ ºÐÆ÷¸¦ ÆÄ¾ÇÇϱâ À§ÇØ 1999${sim}$2001³âµ¿¾È ÀÏ ¸ð´ÏÅ͸µ ÇÏ¿´´Ù. ¼öÁß Å¹µµ¿Í ʼöÀÇ ÀÔÀÚ ºÐÆ÷´Â °­¿ì ÆÐÅÏÀÇ ±âÈÄÇÐÀû ¿äÀΰú À¯ÀÔ${cdot}$¹æ·ù·®ÀÇ ¼ö¹®ÇÐÀû¿äÀÎ ¿µÇâÀÌ Áß¿äÇÏ°Ô ÀÛ¿ëÇÏ¿´´Ù. ʵµÀÇ ¿¬ Æò±Õ ³óµµ´Â ¸Å³â ºñ½ÁÇÏ¿´°í, ¿¬Áß 10 NTU ÀÌÇÏ´Â 85.0%¸¦ Â÷ÁöÇÏ¿´´Ù. < 5 NTU´Â °Ü¿ïö${sim}$º½Ã¶¿¡, 5${sim}$10 NTU¹üÀ§´Â °¡À»Ã¶¿¡, > 20 NTUÀÌ»óÀº ¿©¸§Ã¶¿¡ ¿ìÁ¡ÇÏ´Â °èÀýÀû Ư¼ºÀÌ ¶Ñ·ÇÇÏ¿´´Ù. ʵµÀÇ ÃÖ´ë°ªÀº 7¿ù Çϼø${sim}$8¿ù Ãʼø¿¡ ¹ß»ýÇÏ¿´°í, ¼ö¹® º¯µ¿°ú ´Þ¸® 1999³â¿¡¼­ 2001³âÀ¸·Î °¥¼ö·Ï Áõ°¡ÇÏ¿´´Ù. ƯÈ÷, 2001³â¿¡ Àú¼öÁöÀÇ Ãִ돵µ´Â ÇÏ·ù·Î °¥¼ö·Ï ´õ¿í Áõ°¡ÇÏ´Â ¾ç»óÀÌ ÇöÀúÇÏ¿´´Ù. ¶ÇÇÑ, 1999³â¿¡´Â À¯·®°ú ʵµ°¡ ¿Ï¸¸ÇÏ°Ô Áõ°¨µÇ¾úÀ¸³ª, 2000³â°ú 2001³â¿¡´Â Ãʱ⿡ ±Þ°ÝÇÏ°Ô Áõ°¡ÇÑ ÈÄ À¯·®ÀÌ Ä¿Áö¸é¼­ °¨¼ÒÇÏ´Â ÆÐÅÏÀ» º¸¿´´Ù. ʼöÀÇ ÀÔÀÚ´Â Àü Á¤Á¡¿¡¼­ clay¼ººÐÀ¸·Î °¥¼ö·Ï ºÐÆ÷°¡ ´õ¿í Á¶¹ÐÇÏ¿´À» »Ó¸¸ ¾Æ´Ï¶ó Â÷ÁöÇÏ´Â ºñÀ²µµ ³ô¾Ò´Ù. ʼö¿¡¼­clay´Â 63.9${sim}$66.6%, silt´Â 33.4${sim}$36.1% ¹üÀ§·Î¼­ ÃÑ ÀÔÀÚ¼öÀÇ 98.9${sim}$100%¹üÀ§¸¦ Â÷ÁöÇÏ¿´°í, sand´Â 1.1%À̳»À̾ú´Ù. ÇÏõÇü Àú¼öÁö¿¡¼­ ¼öÁß Å¹µµ´Â ºñ°­¿ì±â¿¡ ÇöûũſÀÇ »ý¹°·®¿¡ ÀÇÇÑ ¿µÇâÀ» ¸¹ÀÌ ¹ÞÀ¸³ª °­¿ì±â¿¡´Â Åä¾ç ¼ººÐÀ» ±Ù°£À¸·Î ÇÏ´Â ¹«±âÀÔÀÚÀÇ ¾ç°ú »ó´ëÀû ºñÀ²ÀÌ ¸Å¿ì ¿ì¼¼ÇÑ °ÍÀ¸·Î Æò°¡µÇ¾ú´Ù.
Daily monitoring was conducted to elucidate the changes in turbidity and distribution of particles in the turbid water of a river-type reservoir (Paltang Reservoir) from 1999 to 2001. Water turbidity and the particle distribution of turbid water were principally affected by meteorological factors particularly rainfall patterns and hydrological factors such as inflow and outflow. The mean concentration of turbidity was constant each year, with the concentration of less than 10 NTU accounting for 85%. Seasonal characteristics were remarkable, with winter and spring having < 5 NTU, autumn 5 ${sim}$ 10 NTU, and summer > 20 NTU. Unlike hydrological changes, maximum turbidity was observed from late July to early August and continuously increased from 1999 to 2001. In particular, the maximum turbidity of reservoirs remarkably increased toward the lower part of reservoir in 2001. Discharge and turbidity increased or decreased slowly in 1999; in contrast, turbidity rapidly increased in the early rainfall period of 2000 and 2001 but later decreased as discharge increased. In the particles of turbid water, clay ingredients were more densely distributed and more dominant in all stations. Of the total particles in turbid water, clay constituted 63.9${sim}$66.6% and silt 33.4${sim}$36.1% to account for a combined total of 98.9 ${sim}$ 100%. Sand made up less than 1.1%. The turbidity of river-type reservoir was also found to be mainly affected by the biomass of plankton in a non-rainfall period. During a rainfall period, however, the quantity and relative ratio of inorganic particles depending on the soil components affected turbidity.
 
Ű¿öµå
discharge;particle;Paltang Reservoir;river;turbid water;turbidity;water quality;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.36, no.3, 2003³â, pp.257-268
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200318317181531)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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