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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.33, no.4, 2000³â, pp.328-335
¼Ò¾çÈ£¿¡¼­ À¯±âź¼Ò¿Í $COD_{Mn}$°úÀÇ »ó°ü°ü°è
( Relationships Between Organic Carbon and $COD_{Mn}$ in a Deep Reservoir, Lake Soyang, Korea )
ÃÖ±¤¼ø;±è¹üö;±èÇüºÀ;»ç½Âȯ; °­¿ø´ëÇб³ ȯ°æÇаú;°­¿ø´ëÇб³ ȯ°æÇаú;°­¿ø´ëÇб³ ȯ°æÇаú;°­¿ø´ëÇб³ ȯ°æÇаú;
 
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ÇöÀç ¿ì¸®³ª¶ó¿¡¼­ ¼öÁßÀÇ À¯±â¹°¾çÀÇ ÁöÇ¥·Î »ç¿ëµÇ°í ÀÖ´Â $COD_{Mn}$¹ýÀÌ ÁöÇ¥·Î¼­ ÀûÇÕÇÑÁö¸¦ ¾Ë¾Æº¸±â À§ÇÏ¿© ¼Ò¾çÈ£ÀÇ ´ï¾ÕÁöÁ¡°ú À¯ÀÔ¼ö¸¦ ´ë»óÀ¸·Î À¯±â¹°¾ç°ú $COD_{Mn}$°úÀÇ »ó°ü°ü°è¸¦ ¾Ë¾Æº¸¾Ò´Ù. ¶ÇÇÑ ¼Ò¾çÈ£¸¦ Ç¥Ãæ, ÁßÃþ, ½ÉÃþÀ¸·Î ³ª´©¾î $COD_{Mn}$ ¹ý¿¡ ÀÇÇÑ °¢ ÃæÀÇ À¯±â¹°»êÈ­Á¤µµ¸¦ ºñ±³ÇÏ¿´´Ù. ¼Ò¾çÈ£ÀÇ À¯±â¹°³óµµ¿Í $COD_{Mn}$ ºñ´Â °èÀý¿¡ µû¶ó ¸Å¿ì »óÀÌÇÏ¿´°í, ¼öÃþ¿¡ µû¶ó¼­µµ Â÷À̸¦ º¸¿´´Ù. À¯ÀÔ¼ö¿¡¼­µµ È«¼ö±â¸¦ ÀüÈÄ·Î ÇÏ¿© À¯±â¹°³óµµ¿Í $COD_{Mn}$ ºñ°¡ À¯ÀÇÀûÀÎ Â÷À̸¦ º¸¿´´Ù. $COD_{Mn}$ ¹ý¿¡ ÀÇÇÑ ¼Ò¾çÈ£ÀÇ À¯±â¹°ÀÇ »êÈ­´Â Æò±Õ 40% Á¤µµ·Î ³·Àº °ªÀ» º¸¿´´Ù. ƯÈ÷ ½ÉÃþÀÇ À¯±â¹°Àº $COD_{Mn}$ ¹ý¿¡ ÀÇÇØ »êÈ­µÇ´Â ¾çÀÌ 30%ÀÌÇÏ·Î ¸Å¿ì ³·¾Ò´Ù. ÀÌ·¯ÇÑ °á°ú´Â $COD_{Mn}$ ¹ýÀÌ È£¼ö¿Í ÇÏõÀÇ À¯±â¹°¾çÀ» Á¦´ë·Î ´ëº¯Çϰí ÀÖÁö ¸øÇÒ »Ó ¾Æ´Ï¶ó °èÀý¿¡ µû¶ó À¯±â¹°ÀÇ Á¶¼ºÀÌ º¯ÇÒ ¶§ $COD_{Mn}$ ¹ý¿¡ ÀÇÇÑ À¯±â¹°»êÈ­·ÂÀÌ º¯ÇÑ´Ù´Â ´ÜÁ¡À» º¸¿©ÁØ´Ù.
Seasonal and vertical variations of organic carbon and chemical oxygen demand (COD$_{Mn}$ were investigated to estimate a suitability of COD$_{Mn}$ methods as an index of the quantity of organic matter in Lake Soyang. Organic matter in the lake may be composed matters resistant to oxidation by COD$_{Mn}$ method, especially in deµ¥ layers. Rations of COD$_{Mn}$ to TOC varied with season and depth layer in Lake Soyang. In the inflowing river, the ratios after summer monsoon were very low and significantly different compared with other seasons (p<0.0001 between after summer monsoon and other seasons by unpaired sample t-test). At the dam site the ratio was low in the deep layer. The ratios in deep layer were significantly different compared with those of upper and middle layers (p<0.0001 by paired sample t-test). In Lake Soyang COD$_{Mn}$ yielded only 40$ of TOC and the oxidation rate of COD$_{Mn}$ varied largely with season and depth. These results implied that the COD$_{Mn}$ does not seem to be an index or organic matter in lakes.
 
Ű¿öµå
Carbon index;Chemical oxygen demand;$COD_{Mn}$: TOC ratio;Lake Soyang;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.33, no.4, 2000³â, pp.328-335
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200018317176358)
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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