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이포보 상류 용존 유기물의 공간적 분포 분석

Spatial Distribution of Dissolved Organic Matter Compositions Upstream of Ipobo

  • 윤상미 (이화여자대학교 환경공학과) ;
  • 최정현 (이화여자대학교 환경공학과)
  • Yoon, Sang Mi (Department of Environmental Science and Engineering, Ewha Womans University) ;
  • Choi, Jung Hyun (Department of Environmental Science and Engineering, Ewha Womans University)
  • 투고 : 2018.04.16
  • 심사 : 2018.07.20
  • 발행 : 2018.07.30

초록

This research investigated the effects of weir (Ipobo) construction on the dynamics and the related spatial distributions of pollutants inflowing from tributaries (Yanghwacheon and Bokhacheon). Conductivity measurements and water sampling were conducted longitudinally, horizontally, and vertically in the waterbody upstream of the area located in Ipobo. Additionally, collected water samples were used for the dissolved organic carbon (DOC) analysis and fluorescence analysis which results in the SUVA, HIX, BIX, and FI calculation and parallel factor analysis (PARAFAC). Consequently, the results of the Conductivity, DOC, SUVA, and HIX showed that high concentration of pollutants that were flowing from the area of Bokhacheon which was mixed along the flow of the main river. The results of the BIX and FI did not show significant difference along the river flow which represented that allochthonous and terrestrial DOM, and for this reason was dominated in the whole waterbody rather than just the autochthonous DOM. The PARAFAC results showed that the two fluorescence components, humic-like and protein-like, constituted the fluorescence matrices of the water samples. The prevailing discipline notes that the two components were inflowing from the tributaries, however, a refractory component, humic-like substances, was relatively accumulated near the weir. From the results, the dynamics and spatial distributions of the DOM are dependent on the DOM characteristics, which induces the application of a specialized DOM analysis method to investigate the effects of a subsequent weir construction on the dynamics and spatial distributions of pollutants inflowing from the tributaries.

키워드

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