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윤을수(Eul-Soo Yun),박성학(Sung-Hak Park),고지연(Jee-Yeon Ko),정기열(Ki-Yeol Jung),박기도(Ki-Do Park),황재복(Jae-Bok Hwang),박창영(Chang-Yeong Park) 한국토양비료학회 2010 한국토양비료학회지 Vol.43 No.5
토양오염 방지사업에 의해 복원이 완료된 지역인 밀양시 구운동광산의 오염원인 잔존 광미 퇴적지의 광미와 주변 농경지에 대한 오염형태를 조사하여 환경 복원의 기초자료를 얻고자 수행하게 되었다. 본 연구 대상지는 경남 밀양시 무안면 마흘리 구운동 광산 주변 수계 및 토양으로 조사지의 지질은 신라통 안산암질이며 광산의 광상은 함유 황광으로 주 채굴금속은 금, 은, 동, 납, 아연이었으며, 잔존 광미 퇴적지의 광미와 주변 농경지의 중금속을 분석하였다. 광구 직하류 휴경논 표토 (0-16 cm)의 화학성은 pH는 4.3-4.4내외, 치환성석회 및 고토함량은 각각 0.2 및 0.04 cmolc kg<SUP>-1</SUP> 인 반면 토심이 깊어질수록 높아졌다. 광구수 및 광미 적치장 유출수의 직접 영향은 받는 최상류 퇴적토양(SI)의 0.1N HCl 가용성 Cu, Cd, Pb, Cr 및 Ni의 함량은 각각 97, 0.6, 197, 0.28 및 0.12 mg kg<SUP>-1</SUP>이었고, 최하류 논 (SIII)의 경우 Cu 25, Cd 2.8, Pb 16.7,Cr 0.17 및 Ni 0.44 mg kg<SUP>-1</SUP>이었다. 휴경지 논 토양 토심별 중금속 함량은 Cr, Pb, Cu는 토심 16 cm 상부에서, Cd, Ni는 토심 16-60 cm 부위에서 높은 분포특성을 보였다. This study was conducted to investigate form of pollution brought by residual of mine tailing in agricultural land, and get basic information need for environment restoration. Guundong mine was completely restored region by implementation the soil pollution prevention plan. The districts is soils in Guundong mine vicinity the Mahul-ri, Muan-myeon, Miryang city, Gyeongsangnam-do. The nature of soil studied is the Shinra series andesite and mineral deposits which contain brimstone and heavy metals such as gold, silver, copper, lead, and zinc. The residual mine tailing and around agricultural land of heavy metals analyzed with 0.1N HCI solubility. The chemical properties of surface soil in upper part around mining area were pH 4.3-4.4, organic matter 19-21 g kg<SUP>-1</SUP>, available P2O5 85 mg kg<SUP>-1</SUP>, exchangeable Ca 0.21-0.25 cmolc kg<SUP>-1</SUP>, exchangeable Mg 0.04 cmolc kg<SUP>-1</SUP>. The pH, exchangeable Ca, and Mg were increased with soil depth. The contents of 0.1N HCl extractable Cu, Cd, Pb, Cr, and Ni in soil (siteI) which influenced by outflow water from mine tailing were 97, 0.6, 197, 0.28 및 0.12 mg kg<SUP>-1</SUP>, respectively. The vertical distribution of heavy metals in soil varied considerably among the metals kind. In case of siteI, The content of Cu, Pb, and Cr in soil was highest at surface soil. However, the content of Cd, Zn, Ni, and Mn was high at middle part of soil profile.
배수 개선처리에 따른 토양 투수속도 변화가 논에서 CH<sub>4</sub> 및 N<sub>2</sub>O 배출에 미치는 영향
고지연,이재생,정기열,최영대,이동욱,윤을수,김춘식,박성태,Ko, Jee-Yeon,Lee, Jae-Saeng,Jung, Ki-Yeol,Choi, Young Dae,Lee, Dong-Wook,Yun, Eul-Soo,Kim, Choon-Shik,Park, Seong-Tae 한국토양비료학회 2007 한국토양비료학회지 Vol.40 No.3
The effects of soil percolation rate on $CH_4$ and $N_2O$ emissions were investigated from paddy fields with different drainage systems. Subsurface tile drainage plot of soil percolation rate $11.9mm\;d^{-1}$ and non-subsurface drainage plots of soil percolation rate $7.4mm\;d^{-1}$ and $6.9mm\;d^{-1}$ were designed. The effects of rice straw application were measured at each drainage plots. The subsurface tile drainage plot of soil percolation rate $11.9mm\;d^{-1}$ showed the lower emission amount both of $CH_4$ and $N_2O$ among treatments. In the subsurface tile drainage plot of $11.9mm\;d^{-1}$ percolation rate, 46% of $CH_4$ and 33% of $N_2O$ emission amounts were reduced in comparison of non-subsurface drainage plot of $6.9mm\;d^{-1}$ percolation rate. With rice straw application, the $CH_4$ emission amount was 2.1 times to that from no-applied plot, the $N_2O$ emission amount was not affected by rice straw application.