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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.32, no.3, 1999³â, pp.245-245
°æ¾Èõ »ó·ùºÎ ¼ÒÀ¯¿ªÀÇ °­¿ì½Ã À¯Ãâ ºÎÇÏ·® Æò°¡
( The Study of Evaluation of Run-off Loading at the Upper Branch of Kyungan-stream )
¿ÀÁ¾¹Î;½Åµ¿¿±;ÁøÇöÈ£;ÁÖ¿µÆ¯;¼Õ¿äȯ;Á¤´ö¿µ; °æÈñ´ëÇб³ ȯ°æÇаú, ȯ°æ¿¬±¸¼Ò;°æÈñ´ëÇб³ ȯ°æÇаú, ȯ°æ¿¬±¸¼Ò;°æÈñ´ëÇб³ ÀÓÇаú;°­¿ø´ë »ï¸²ÀÚ¿øº¸È£Çаú;°í·Á´ëÇб³ »ê¸²ÀÚ¿øÇаú;Ãæ³²´ë ³óÈ­Çаú;
 
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Áõ¼ö½Ã °è·ù¼öÁúÀº °­¿ì½Ã¿¡ ¹ß»ýÇÏ´Â Åä¾ç Ç¥ÃþÀÇ À¯Ãâ°ú ÁöÇϼö À¯Ãâ¿¡ ÀÇÇØ ¼öÁúÀÌ ¸¹Àº ¿µÇâÀ» ¹Þ´Â´Ù(¼ÛÆ÷¾çÂ÷¶û, 1993). Áõ¼ö½ÃÀÇ pH´Â Æò±Õ 6.78·Î Æò¼ö½ÃÀÇ 7.31º¸´Ù ³·°Ô Á¶»çµÇ¾úÀ¸¸ç, ƯÈ÷ Á¤Á¡ 4ÀÇ °æ¿ì pHº¯È­ ÆøÀÌ 4.32¿¡¼­ 7.24·Î ¼öÁúÀÌ ¸Å¿ì ºÒ¾ÈÁ¤ÇÑ »óÅ·Π³ªÅ¸³µ´Ù. °­¿ì¿¡ ´ëÇÑ ¼öÁú ÀÀ´äƯ¼º¿¡¼­ Type 1ÀÇ °æÇâÀ» ³ªÅ¸³»´Â À̿¼ººÐÀº DOC, $SiO_2$, Type 2ÀÇ °æÇâÀ» ³ªÅ¸³»´Â À̿¼ººÐÀº $NO_3-N,;K^+$À¸·Î ³ªÅ¸³µ´Ù. ½Ã°£¿¡ µû¸¥ ÀÌ¿ÂÀÇ ³óµµ º¯È­´Â °­¿ì°­µµ ¹× °­¿ìÁö¼Ó½Ã°£¿¡ ÀÇÇØ¼­ ´Ù¸¥ ¾ç»óÀ» º¸ÀÏ ¼ö ÀÖÀ» °ÍÀ¸·Î »ý°¢µÈ´Ù. ºñ°­¿ìÀϼö 289ÀÏ µ¿¾È À¯Ãâ·®Àº $Ca^{2+}$Àº 17.89ton, $Mg^{2+}$Àº 1.23 ton, $Na^+$Àº 6.84ton, ${SO_4}^{2-}$Àº 6.81 ton, $SiO_2$´Â 4.59 ton, DOC´Â 2.16 ton, $K^+$Àº 1.65 ton, $Cl^-$Àº 1.28 ton, $NO_3-N$Àº 1.00 tonÀÌ À¯ÃâµÇ´Â °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, °­¿ìÀϼö 76ÀÏ µ¿¾ÈÀÇ À¯Ãâ·®Àº $Ca^{2+}$Àº 1.44ton, $Na^+$Àº 0.25 ton, ${SO_4}^{2-}$Àº 0.24ton, $K^+$Àº 0.11 ton, $Cl^-$Àº 0.12 ton, $NO_3-N$Àº 0.02 ton, $Mg^{2+}$Àº 0.08 ton, DOC´Â 0.05 ton, $SiO_2$´Â 0.02tonÀ¯ÃâµÇ´Â °ÍÀ¸·Î »êÁ¤µÇ¾ú´Ù. Áõ¼ö½Ã¿Í ºñ°­¿ì½Ã¸¦ °í·ÁÇÏ¿© ¿¬°£ À¯ÃâºÎÇÏ·®À¸·Î »êÁ¤Çϸé, $Ca^{2+}$Àº 23.8 ton/yr, $Na^+$Àº 7.0 ton/yr, ${SO_4}^{2-}$Àº 2.6 ton/yr, $K^+$Àº 2.5 ton/yr, DOC´Â 2.19 ton/yr, $Cl^-$Àº 1.9 ton/yr, $Mg^{2+}$Àº 1.7 ton/yr, $NO_3-N$Àº 1.6 ton/yrÀÌ À¯ÃâµÇ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. Áõ¼ö±â°£ µ¿¾È À¯ÃâºÎÇÏ·®Àº ¿¬°£ À¯ÃâºÎÇÏ·®ÀÇ ¾à 20% ÀÌ»óÀÇ ±â¿©À²À» º¸ÀÌ´Â °ÍÀ¸·Î Á¶»çµÇ¾ú´Ù.
Seasonal variation of streamwater quality was observed at monthly interval from May 1997 to April 1998 at the upper branch of Kyungan stream. Beside, temporal variation of streamwater quality and discharge were examined during rainfall-runoff period. Based on these data, we evaluated on annual loading of pollutants discharged from the forest basin. Annual average pH was 7.31, and a degree of DO concentration was $89{sim}96%$ at each site. Streamwater quality was determined by amounts of rainfall, soil profile of sites and underground water recharging in rainy days. While streamwater quality was determined by only recharging underground water in sunny days. An annual runoff loading was evaluated as $23.8;Ca^{2+}$ ton/yr, $7.0;Na^+;ton/yr,;is;2.4;K^+;ton/yr,;1.9;Cl^-;ton/yr,;1.6;NO_3-N;ton/yr,;1.7;Mg^{2+};ton/yr,;2.6;{SO_4}^{2-};ton/yr$, and 2.19 DOC ton/yr. In the rainy period, runoff loading was accounted for about 20%, of an annual loading.
 
Ű¿öµå
stream;discharge;rainfnll-runoff;Annual loading;
 
Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.32, no.3, 1999³â, pp.245-245
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199910102424370)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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