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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.4, 2003³â, pp.691-703
³óÃÌ ¼ÒÀ¯¿ª¿¡¼­ EMC¸¦ ÀÌ¿ëÇÑ ¿À¿°¹°Áú ºÎÇÏ·® »êÁ¤±â¹ýÀÇ °³¹ß
( Development of the EMC-based Empirical Model for Estimating Pollutant Loads from Small Agricultural Watersheds )
±è¿µÃ¶;±è°ÇÇÏ;À̵¿·ü; ÇѼ­´ëÇб³ ȯ°æ°øÇаú;Çѳ²´ëÇб³ Åä¸ñȯ°æ°øÇаú;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ¼öÀÚ¿ø¿¬±¸ºÎ;
 
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º» ³í¹®¿¡¼­´Â À¯¿ª°ú °­¿ìƯ¼ºÀ» ÅëÇÕÇÏ¿© ¿À¿°¹°Áú ºÎÇÏ·®À» °è»êÇÒ ¼ö ÀÖ´Â Á¢±Ù¹æ¹ýÀ» Á¦½ÃÇÏ¿´´Ù. ÀÌ ±â¹ýÀÇ ±âº»ÀûÀÎ °³³äÀº ƯÁ¤À¯¿ª¿¡¼­ °­¿ì½Ã ¹ß»ýÇÏ´Â ¿À¿°¹°ÁúÀÇ À¯·® °¡Á߯ò±Õ ³óµµ, Áï EMC º¯È­´Â ¿À·ÎÁö °­¿ìÆÐÅÏ¿¡ ÀÇÇØ °áÁ¤µÈ´Ù´Â °¡Á¤¿¡ ±âÃÊÇϰí ÀÖ´Ù. ÀÌ·¯ÇÑ °¡Á¤Àº Àû¾îµµ À¯¿ªÀÇ ÅäÁöÀ̿뿡 ±Þ°ÝÇÑ º¯È­°¡ ¾ø°í(Àû¾îµµ °­¿ì°¡ ÁýÁߵǴ °æÀ۱Ⱓµ¿¾È) Á¡ ¿À¿°¿øÀÌ ÀûÀº ³óÃÌÀ¯¿ª¿¡¼­´Â Ÿ´çÇÏ´Ù. µû¶ó¼­, ´Ù¾çÇÑ ³óÃÌÀ¯¿ª°ú °­¿ì ÆÐÅÏ Á¶°Ç¿¡¼­ Á¶»çµÈ ¸¹Àº EMC ÀÚ·á°¡ ÀÖ´Ù¸é EMC¿Í ÅäÁöÀÌ¿ë, ±×¸®°í °­¿ìƯ¼º »çÀÌÀÇ À¯¿ëÇÑ °æÇèÀûÀÎ °ü°è½ÄÀ» µµÃâÇÒ ¼ö ÀÖÀ» °ÍÀÌ´Ù. ÀÌ·¯ÇÑ ¸ñÀûÀ» ´Þ¼ºÇϱâ À§ÇÏ¿© 9°³ÀÇ ¼­·Î ´Ù¸¥ À¯¿ª¿¡¼­ 51°³ÀÇ µ¶¸³ÀûÀÎ °­¿ì»ç»ó¿¡¼­ Á¶»çµÈ EMC ÀڷḦ ÀÌ¿ëÇÏ¿© °­¿ì½Ã ¹ß»ýÇÏ´Â EMC °ªÀ» ¿¹ÃøÇÒ ¼ö ÀÖ´Â µµ±¸¸¦ °³¹ßÇÏ¿´´Ù. Åë°èÇÐÀûÀÎ °ËÅä°á°ú °³¹ßµÈ °æÇè½ÄÀº ½ÇÁ¦ ÃøÁ¤ÇÑ EMC °ªÀ» ¾çÈ£ÇÑ ¼öÁØ¿¡¼­ ¿¹ÃøÇÒ ¼ö ÀÖ´Â °ÍÀ¸·Î ÆÇ¸íµÇ¾úÀ» »Ó¸¸ ¾Æ´Ï¶ó EMC ÀÚ·á¿Í À¯È¿ °­¿ì·®¿¡ ±âÃÊÇÏ¿© °­¿ìÀÏ, ÁÖ, ¿ù, ³â ´ÜÀ§ÀÇ ºÎÇÏ·®À» »êÃâÀÌ °¡´ÉÇÏ¿´´Ù. ¶ÇÇÑ, EMC °ª°ú À¯È¿ °­¿ì·®¿¡ ÀÇÇØ °è»êµÈ ºÎÇÏ·®À¸·ÎºÎÅÍ »êÃâÇÑ ¿ø ´ÜÀ§¸¦ ±âÁ¸ÀÇ Àß ¾Ë·ÁÁø °æÇèÀû ¿ø ´ÜÀ§¿Í ºñ±³ Æò°¡ÇÏ¿´´Ù.
In this paper, a new and integrated approach easily used to calculate the pollutant loads from agricultural watersheds is suggested. Basic concepts of this empirical tool are based on the hypotheses that variations in event mean concentrations(EMCs) of the pollutants from a given agricultural watershed during rainstorms are only due to the rainfall pattern. This assumption would be feasible to agricultural watersheds whose land uses does not change during the cultivation period overlapped by rainy season and also in which point-sources of the pollutants are rare. Therefore, if EMC data sets through extensive sampling from various rural areas are available, it is possible to establish relationships between EMCs, shapes and land uses of the watersheds, and rainfall events. For this purpose, fifty one sets of EMC values were obtained from nine different watersheds, and those data were used to develop predictive tools for the EMCs of 55, COD, TN and TP in rainfall runoff. The results of the statistical tests for those formulas show that they are not only fairly good in predicting actual EMC values of some parameters, but also useful in terms of calculating pollutant loads on any time-spans such as the day of rainfall event or weekly, monthly, and yearly. Their applicability was briefly demonstrated and discussed. Also, the unit loads calculated from EMCs based on different land uses and real rainfall data over one of the watershed used for this study. were provided, and they are compared with other well-known unit loads.
 
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À¯·®°¡Áß Æò±Õ³óµµ;¿À¿°¹°Áú ºÎÇÏ·®;¿À¿°¹°Áú ¿ø ´ÜÀ§;Event mean concentration (EMC);Pollutant loads;Unit loads;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.4, 2003³â, pp.691-703
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921879178)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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