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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.4, 2003³â, pp.575-586
ÇÏõ¿¡ ¼ø°£ À¯ÀÔµÈ ¿À¿°¹°ÁúÀÇ °Åµ¿ Ư¼º ºÐ¼®
( Analysis of Behavior Characteristics of Instantaneous Input of Pollutant in River )
À±¼¼ÀÇ;°íÀçÇü;±è¼ö¿­; °æ±â´ëÇб³ Åä¸ñ¤ýȯ°æ°øÇкΠÅä¸ñ°øÇÐ;»ï¾È°Ç¼³±â¼ú°ø»ç¢ß;°æ±â´ëÇб³ ´ëÇпø Åä¸ñ°øÇаú;
 
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ÇÏõ¿¡ ¿À¿°¹°ÁúÀÌ ¼ø°£ÀûÀ¸·Î À¯ÀÔµÈ °æ¿ì¿¡´Â ¿¬¼ÓÀûÀÎ À¯ÀÔÀÇ °æ¿ì¿Í ´Ù¸£°Ô ºÐ»ê°è¼öÀÇ º¯È­¿¡ µû¶ó ¿À¿°¹°ÁúÀÇ °Åµ¿ Ư¼ºÀÌ ¹Î°¨ÇÏ°Ô º¯ÇÑ´Ù. ÇÏõ¿¡ ¼ø°£ÀûÀ¸·Î À¯ÀÔµÈ ¿À¿°¹°ÁúÀÇ °Åµ¿Æ¯¼ºÀ» ºÐ¼®Çϱâ À§ÇÏ¿© ÇѰ­ÇÏ·ùºÎ¿¡¼­ ¼ö¸®ÀÎÀÚ ¹× ¼öÁúÀÎÀÚ¸¦ ½ÇÃøÇÏ¿´´Ù. ºÐ»ê°è¼ö ÃßÁ¤¿¡ »ç¿ëµÇ´Â °æÇè½Ä¿¡ ½ÇÃøµÈ ¼ö¸®ÀÎÀÚ¸¦ Àû¿ëÇÏ¿© °¥¼ö½Ã ÇѰ­ÇÏ·ùºÎÀÇ ºÐ»ê°è¼öÀÇ ±Ô¸ð¸¦ ºÐ¼®Çϰí, Àû¿ë °¡´É¼ºÀÌ Å« °æÇè½ÄÀ» Á¦½ÃÇÏ¿´´Ù ¶ÇÇÑ, ½ÇÃøµÈ ¼öÁúÀÎÀÚ¸¦ RMA-4 ¸ðÇüÀÇ °è»êÄ¡¿Í ºñ±³ÇÏ¿© ¸¸Á·ÇÒ ¸¸ÇÑ °á°ú¸¦ ¾ò¾ú´Ù. ÇѰ­ÇÏ·ùºÎ¿¡ ¼ø°£ÀûÀ¸·Î À¯ÀÔµÈ ¿À¿°¹°ÁúÀÇ ºÐ»ê°è¼ö, ÇÏ·ù´Ü ¼öÀ§ µîÀÇ º¯È­¿¡ µû¶ó ¿À¿°¹°ÁúÀÇ ºÐ»ê¹üÀ§, ºÐ»ê°æ·Î, ÃÖÃÊ ¹× ÃÖ´ë³óµµ µµ´Þ½Ã°£ µîÀ» ÆÄ¾ÇÇÏ¿´´Ù.
In case of continuous input of a pollutant, dispersion characteristics do not change much with changing dispersion coefficient, but that of an instantaneous input is very sensitive to the changes of dispersion coefficient. The characteristics of behavior of instantaneous input of a pollutant at the downstream of Han river were analyzed in this paper Field measurement of hydraulic and water quality factors at the downstream of Han river were conducted at low flow condition. The hydraulic factors were used to estimate the longitudinal dispersion coefficient, and the reasonable empirical equations for longitudinal dispersion coefficient at the downstream of Han river were suggested. The measured concentrations of BOD were closely matched with the calculated ones from RMA-4 model. In case of instantaneous input, range of dispersion, transport pathway and the traveltimes of the first and maximum concentration with variation of the longitudinal dispersion coefficients and water levels of downstream boundary were evaluated in this paper.
 
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ºÐ»ê°è¼ö;¼ø°£À¯ÀÔ;µµ´Þ½Ã°£;ºÐ»ê¹üÀ§;dispersion coefficient;traveltime;instantaneous input;dispersion scale;RMA-4;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.4, 2003³â, pp.575-586
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921879090)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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