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Çѱ¹¼öÀÚ¿øÇÐȸ / v.37, no.12, 2004³â, pp.1009-1018
ÇÏõ ¼öÁú¸ðÇü¿¡ ÀÇÇÑ ºñÁ¡ ¿À¿° ºÎÇÏ·®°ú ¸ðÇü ¸Å°³º¯¼öÀÇ µ¿½Ã ÃßÁ¤
( Simultaneous Estimation of Diffuse Pollution Loads and Model Parameters for River Water Quality Modeling )
Àü°æ¼ö;°­ÁÖȯ; ¼º±Õ°ü´ëÇб³ Åä¸ñȯ°æ°øÇаú;¸ñÆ÷´ëÇб³ Åä¸ñ°øÇаú;
 
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ÇÏõÀ» µû¶ó ºÐÆ÷µÈ ºñÁ¡ ¿À¿°¿øÀ» ÇÏõ ¼öÁú¸ðÇüÀÇ ¸Å°³º¯¼öµé°ú µ¿½Ã¿¡ ÃßÁ¤Çϴ ü°èÀûÀÎ ¹æ¹ýÀ» Á¦¾ÈÇÏ¿´´Ù. ¼ö¸³µÈ ¹æ¹ýÀ» QUAL2E ¸ðÇü°ú ÇÔ²² ÃæÁÖ´ï ÇÏ·ùÀÇ ³²ÇѰ­ ±¸°£¿¡ Àû¿ëÇÏ¿© ¸ðÇüÀÇ ¹ÝÀÀ°è¼ö¿Í ºñÁ¡ ¿À¿° ºÎÇÏ·®¿¡ ´ëÇÑ ÃÖÀû ÃßÁ¤À» ¼öÇàÇÏ¿´´Ù. ¹Î°¨µµ ºÐ¼® °á°ú·ÎºÎÅÍ ¼±Á¤µÈ ¹ÝÀÀ°è¼öµé¿¡ ´ëÇÑ Ãʱâ ÃßÁ¤ °á°ú¿¡ µû¸£¸é ÇÏõ ½Ã½ºÅÛ¿¡ ´ëÇÑ Áú·®¼öÁö°¡ ¸¸Á·µÇ±â À§Çؼ­´Â Áú¼Ò¿Í ÀÎÀÇ ºñÁ¡ ¿À¿° ºÎÇÏ·®ÀÇ ÀÔ·ÂÀÌ ÇÊ¿äÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ÀÌ¿¡ µû¶ó ÃÑÁú¼Ò¿Í ÃÑÀο¡ ´ëÇÑ ºñÁ¡ ¿À¿° ºÎÇϸ¦ Æ÷ÇÔÇÏ¿© È®ÀåµÈ ÃßÁ¤ ¹®Á¦ÀÇ ÇØ·Î½á ºñÁ¡ ¿À¿° ºÎÇÏ·®À» ÃßÁ¤ÇÏ¿´´Ù. ºñÁ¡ ¿À¿° ºÎÇÏ·®°ú µ¿½Ã¿¡ ÃßÁ¤µÈ ¹ÝÀÀ°è¼öµé°ú ºñÁ¡ ¿À¿°¿øÀ» °í·ÁÇÏÁö ¾Ê°í ÃßÁ¤µÈ ¹ÝÀÀ°è¼öÀÇ ºñÄ£ °á°ú, ±× ÀÚü¿¡ ´ëÇÑ ÃßÁ¤À» À§Çؼ­ »Ó¸¸ ¾Æ´Ï¶ó ¼öÁú¸ðÇüÀÇ ÀûÀýÇÑ º¸Á¤À» À§ÇÏ¿© ºñÁ¡ ¿À¿° ºÎÇÏ·®ÀÌ ÃÖÀû ÃßÁ¤ °úÁ¤¿¡ Æ÷Ç﵃ Çʿ䰡 ÀÖÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù. ÇÏõ¼öÁú ÀÇÇü¿¡ ´ëÇÑ ÃÖÀûÃßÁ¤ ¹æ¹ýÀÇ Àû¿ë¼ºÀ» ¹Î°¨µµ°è¼ö Çà·Ä ±¸Á¶ÀÇ °üÁ¡¿¡¼­ ³íÇÏ¿´´Ù.
A systematic method using an optimal estimation algorithm is presented for simultaneous estimation of diffuse pollution distributed along a stream reach and model parameters for a stream water quality model. It was applied with the QVAL2E model to the South Han River for optimal estimation of kinetic constants and diffuse loads along the river. Initial calibration results for kinetic constants selected from a sensitivity analysis reveal that diffuse source inputs for nitrogen and phosphorus are essential to satisfy the system mass balance. Diffuse loads for total nitrogen and total phosphorus were estimated solving the expanded inverse problem. Comparison of kinetic constants estimated simultaneously with diffuse sources to those estimated without diffuse loads, suggests that diffuse sources must be included in the optimization not only for its own estimation but also for adequate estimation of the model parameters. Application of optimization method to river water quality modeling is discussed in terms of the sensitivity coefficient matrix structure.
 
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ºñÁ¡ ¿À¿°¿ø;¸Å°³º¯¼ö ÃßÁ¤;ÇÏõ¼öÁú¸ðÇü;¹Î°¨µµ ºÐ¼®;³²ÇѰ­;diffuse pollution sources;parameter estimation;river water duality modeling;sensitivity analysis;South Han River;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.37, no.12, 2004³â, pp.1009-1018
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200414714216625)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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ȸ»ç¼Ò°³ ±¤°í¾È³» ÀÌ¿ë¾à°ü °³ÀÎÁ¤º¸Ãë±Þ¹æÄ§ Ã¥ÀÓÀÇ ÇѰè¿Í ¹ýÀû°íÁö À̸ÞÀÏÁÖ¼Ò ¹«´Ü¼öÁý °ÅºÎ °í°´¼¾ÅÍ
   

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