Korean Journal of Environmental Agriculture (한국환경농학회지)

The Korean Society of Environmental Agriculture (한국환경농학회)
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Temporal and Spatial Distribution of Geosmin and 2-MIB in the Daecheong Reservoir

대청호에서 Geosmin, 2-MIB의 시간적·공간적 분포 특성

  • Kim, Kyo-Young (Geum River Environment Research Center, National Institute of Environmental Research) ;
  • Khan, Jong-Beom (Geum River Environment Research Center, National Institute of Environmental Research) ;
  • Choi, In-Chan (Geum River Environment Research Center, National Institute of Environmental Research) ;
  • Hong, Seoun-Hwa (Geum River Environment Research Center, National Institute of Environmental Research) ;
  • Lee, Jun-Bae (Geum River Environment Research Center, National Institute of Environmental Research) ;
  • Lee, Soo-Hyung (Geum River Environment Research Center, National Institute of Environmental Research) ;
  • Lee, Jay-Jung (Geum River Environment Research Center, National Institute of Environmental Research)
  • 김교영 (국립환경과학원 금강물환경연구소) ;
  • 간종범 (국립환경과학원 금강물환경연구소) ;
  • 최인찬 (국립환경과학원 금강물환경연구소) ;
  • 홍선화 (국립환경과학원 금강물환경연구소) ;
  • 이준배 (국립환경과학원 금강물환경연구소) ;
  • 이수형 (국립환경과학원 금강물환경연구소) ;
  • 이재정 (국립환경과학원 금강물환경연구소)
  • Received : 2014.08.27
  • Accepted : 2015.02.16
  • Published : 2015.03.31
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Abstract

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.

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References

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