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Study on the Management of Minimum Low Flow and Water Quality of Hongjechun

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2005, 14(1), pp.37-46
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

Hwang Byung Gi 1 호종광 1 오경석 1

1상명대학교

Accredited

ABSTRACT

In this study, field surveys were performed for 12 stations in main stream of Hongjechun and3 stations in 2 tributaries, respectively, in order to find out dried reaches of the stream, and toexamine the water quality of the stream, and to suggest methods to improve the streamconcerned into eco-stream.In the results of water quality in stream, however distinct difference for seasonal variation ofthe water quality was not found, the water quality of winter was relatively better than that ofother seasons. Annual mean concentration of BOD was 6.5mg/L in the upper reach, 11.8mg/Lin the middle reach, 15.3mg/L in the lower reach of main stream, and total mean was12.5mg/L, while the BOD concentration was 3.6mg/L in the upper reach, and was 9.6mg/L inthe low reach of Gukichun, the tributary.Based on flow examination, the level of water depth was so low and the flow can not betraveled downstream in the reach between ST-9 and ST-10 for low water season, whereas it wasobserved that the flow was traveling except the dry season even the water level was lower thanthat of adjacent stations.

Citation status

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