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Çѱ¹¼öÀÚ¿øÇÐȸ / v.30, no.1, 1997³â, pp.83-93
µµ½Ã ¹è¼öÀ¯¿ªÀÇ À¯Ãâ-¼öÁú Ư¼ºÀÎÀÚÀÇ ¹Î°¨µµ ºÐ¼®
( Sensitivity Analysis of Runoff-Quality Parameters in the Urban Basin )
ÀÌÁ¾ÅÂ;°­ÅÂÈ£; °æ±â´ëÇб³ Åä¸ñ°øÇаú;°æ±â´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸´Â °­¿ì·Î ÀÎÇÑ µµ½Ã ¹è¼ö±¸¿ª¿¡¼­ÀÇ À¯Ãâ ¹× ¼öÁú »êÁ¤À» À§ÇÑ ÁÖ¿äÀÎÀÚµéÀÌ ¸ðÀÇÇØ¼® °á°úÄ¡¿¡ ÁÖ´Â ¿µÇâÀ» ºÐ¼®ÇÏ¿´´Ù. Àû¿ë´ë»óÀ¯¿ªÀ¸·Î¼­ ³²°¡ÁÂ, »êº» ¹è¼ö±¸¿ª°ú ¹Ì±¹ÀÇ Gray Haven, Kings Creek ¹è¼ö±¸¿ª µîÀÇ 4°³ Áö¿ªÀ» ¼±ÅÃÇÏ¿´´Ù. ½ÇÃøÄ¡¸¦ Åä´ë·Î °¢ ¿µÇâÀÎÀÚµéÀÇ ÃÖÀûÄ¡¸¦ ÁÖ¿ä À¯¿ª¿µÇâÀÎÀÚµéÀ» Æ÷°ýÀûÀ¸·Î ¼ö¿ëÇϰí ÀÖ´Â SWMM¸ðÇüÀ¸·Î »êÁ¤Çϰí, À̸¦ ±âÁذªÀ¸·Î ÇÏ¿© À̵éÀÌ °è»ê °á°úÄ¡¿¡ ÁÖ´Â ¹Î°¨µµ¸¦ ºÐ¼®ÇÏ¿´´Ù. À¯Ã⿵Çâ ÀÎÀڷμ­ ºÒÅõ¼ö¸éÀûÀº ÷µÎÀ¯Ãâ·® ¹× À¯Ãâ¿ëÀû¿¡ °¡Àå Å« ¿µÇâÀ» ÁÜÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ÇÑÆí ÁöÇ¥¸é Àú·ù ±íÀÌ´Â ¿Ï¸¸ÇÑ °æ»çÀÇ À¯¿ª¿¡¼­ ÷µÎÀ¯·® ¹× À¯Ãâ¿ëÀû¿¡ »ó´çÇÑ ¿µÇâÀ» ÁÖ¾ú´Ù. ÇÑÆí, ¿À¿°³óµµ ¹× ¿ÀŹºÎÇÏ·®¿¡ ¿µÇâÀ» ÁÖ´Â ÁÖ¿ä¸Å°³º¯¼ö·Î¼­´Â ´ÜÀ§¸éÀû, ¿À¿°ÃàÀûÀÇ Á¤µµ¸¦ ³ªÅ¸³»´Â ¿À¿°ÃàÀû°è¼ö¿Í ¿À¿°ÃàÀûÀ» Áö¼ÓÀûÀ¸·Î °¡´ÉÇÏ°Ô ÇÏ´Â ¿¬¼Ó ¹«°­¿ì Àϼö µîÀÌ Å« ¹Î°¨µµ¸¦ º¸¿©ÁÖ¾ú´Ù. ÀÌ´Â ºñÁ¡¿ø ¿À¿°¹°ÀÇ Àý´ë ÃàÀû·®ÀÌ ÇÏõ¼öÁú¿¡ Á÷Á¢ÀûÀÎ ¿µÇâÀ» ÁÖ°í ÀÖÀ½À» ÀǹÌÇÑ´Ù. ÇÑÆí °­¿ìÃʱâÀÇ ¼öÁú¿¡ ¿µÇâÀ» ÁÖ´Â º¯¼ö·Î¼­´Â °­¿ì°­µµ¿Í ¿À¿°¹°ÁúÀÇ À̼۴ɷÂÀ» ³ªÅ¸³»´Â À̼۰è¼ö ¹× Áö¼öµéÀÇ ¿µÇâÀÌ »ó´çÇÏ¿´´Ù. µû¶ó¼­ µµ½ÃÀ¯¿ª¿¡¼­ÀÇ À¯Ãâ ¹× ¼öÁú ¸ðÀǸ¦ À§ÇÏ¿©¼­´Â ÃæºÐÇÑ À¯¿ªÀÚ·áÀÇ ¼öÁý°ú ºÐ¼®ÀÌ ¼±ÇàµÇ¾î¾ß Çϸç, ƯÈ÷ ºÒÅõ¼öÁö¿ªÀÇ Á¤È®ÇÑ ºÒ¸®¿Í À¯¿ªº° ºñÁ¡¿ø ¿À¿°¹°ÀÇ ÃàÀû·®ÀÇ ÇÕ¸®Àû »êÁ¤ °úÁ¤¿¡ ¸¹Àº ³ë·ÂÀ» ±â¿ï¿©¾ß ÇÒ °ÍÀÌ´Ù.
The purpose of the study is to analyze the sensitivity of the parameters that affect the runoff and water quality in the studied drainage basins. SWMM model is applied to the four drainage basins located at Namgazwa and Sanbon in Seoul and Gray Haven and Kings Creek in the USA. first of all, the optimum values of the parameters which have least simulation error to the observed data, are detected by iteration procedure. These are used as the standard values which are compared against the procedure. These are used as the standard values which are compared against the varied parameter values. In order to catch the effectiveness of the parameters to the computing result, the parameters are changed step by setp, and the results are compared to the standard results in flowerate and quality of the sewer. The study indicates that the discharge is greatly affected by the types of runoff surface, i.e., impervious area remarkably affects the peak flow and runoff volume while the surface storage affects the runoff volume at mild sloped basins. In addition, the major parameters affecting the pollution concentrations and loadings are the contaminant accumulation coefficient per unit area per time and the continuous dry weather days. Furthermore, the factors that affect the water quality during the initial rainfall period are the rainfall intensity, transport capacity coefficient and its power coefficient. Consequently, in order to simulate the runoff-water quality, it is needed to evaluate previous data in the research performed for the studied basins. To accurately estimated from the tributary areas and the rational computation methods of the pollutants calculation should be introduced.
 
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.30, no.1, 1997³â, pp.83-93
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920100064)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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