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대청호에서 Geosmin, 2-MIB의 시간적·공간적 분포 특성
김교영 ( Kyo Young Kim ),간종범 ( Jong Beom Khan ),최인찬 ( In Chan Choi ),홍선화 ( Seoun Hwa Hong ),이준배 ( Jun Bae Lee ),이수형 ( Soo Hyung Lee ),이재정 ( Jay Jung Lee ) 한국환경농학회 2015 한국환경농학회지 Vol.34 No.1
BACKGROUND: Contamination of source water by odorous compounds are one of the problems related to the water quality management, especially in Korea where surface water is used as drinking water. Geosmin (1, 10-trans-dimethyl-trans-9-decalol) and 2-MIB (2-methyl isoborneol : 1,2,7,7-tetramethyl-exo-bicycloheptan-2-ol) are commonly recognized earthy-musty odor compounds produced by algae causing serious problems to the drinking water purification facilities. METHODS AND RESULTS: In this study, spatial and temporal distribution of the odor compounds, geosmin and 2-MIB were investigated along with the development of phytoplankton in the Daechung reservoir from July 2012 to October 2013. CONCLUSION: Concentrations and frequencys of detection of both compounds increased from April to October which were related to cyanobacterial bloom periods. However, concentrations of odor compounds were not related to the number of cyanobacteria. Concentrations of both cyanobacteria and geosmin showed similar trends with depth. Pearson correlation analyses showed that geosmin concentration exhibited significant correlation with the count of Anabaena macrospora and Aphanizomenon flos-aquae. On the other hand, 2-MIB concentration showed a significant correlation with the count of Anabaena smithii.
금강 수계 주요지류인 갑천과 미호천에서 잠정유해물질 오염원 확인 연구
이준배 ( Jun Bae Lee ),이재정 ( Jay Jung Lee ),조윤해 ( Yoon Hae Cho ),윤조희 ( Jo Hee Yoon ),홍선화 ( Seoun Hwa Hong ),이대희 ( Dae Hee Lee ),이수형 ( Soo Hyung Lee ),조영환 ( Young Hwan Cho ),신호상 ( Ho Sang Shin ) 한국환경농학회 2016 한국환경농학회지 Vol.35 No.1
BACKGROUND: Water quality is of concern to water utility operators, public health officials, and populations using the water. If any contaminant is released from a point of entry, it could be spread rapidly throughout the water stream. So the identification of the location of the points of entry and its release history are critical informations to establish the management strategy. METHODS AND RESULTS: Aniline, nonylphenol, pentachlorophenol and formaldehyde in 39 surface water samples were analysed using Gas chromatography-mass spectrometry (GC-MS) methods. Formaldehyde, aniline and nonylphenol were mainly detected in the near sites where industrial waste water and domestic sewage were discharged into stream. But pentachlorophenol was detected in the downstream samples where pulp manufacturing plants were operated. CONCLUSION: Results indicate that pentachlorophenol found in main stream of Guem river was mainly introduced from pulp manufacture industries. Otherwise, formaldehyde, aniline and nonylphenol were mainly contaminated from the industrial waste water and domestic sewage.