Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

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Water Quality and Phytoplankton in the Waters of Manripo and Daechon Beaches

만리포 및 대천 해수욕장 수질 및 식물플랑크톤

  • Yeo, Hwan-Goo (Department of Environmental Engineering, Hanseo University)
  • 여환구 (한서대학교 환경공학과)
  • Received : 2011.02.18
  • Accepted : 2011.06.09
  • Published : 2011.06.30
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Abstract

In spite of high concentrations of SS(>30mg/l) in July 2010, the water condition of Manripo was fine for swimming as COD data lower than 2.0mg/l in summer continuously. The bloom of phytoplankton or red tide were not occurred in the waters. COD data from the waters of Daechon were lower than 2.0mg/l, except August. Relatively high SS concentrations were the characteristics of Daechon beach and were caused by the effects of mud resuspension. The dominant taxa of phytoplnkton communities were consist of diatoms as the normal groups of neritic sea waters.

2010년 여름철 만리포의 수질은 COD(화학적산소요구량)가 개장전부터 폐장 이후까지 지속적으로 2.0 mg/l 이하로 측정되어 양호한 상태였고 SS(부유물질)의 량이 7월 조사에서 30mg/l를 초과하였으나 해수욕에는 무리가 없었을 것으로 판단된다. 식물플랑크톤은 대발생이나 적조 등의 현상이 나타나지 않았다. 대천의 수질은 8월 조사에서 COD값이 평균 2.0mg/l를 초과하기도 하였으나 전체적으로는 2.0mg/l 이하로 나타나 역시 해수욕장 수질로서는 양호하다. 다만 SS가 전체적으로 다소 높은 값을 보이기는 하나 이는 대천해수욕장의 저질특성에 기인한 머드(뻘)의 영향인 것으로 보이며 해당 해수욕장의 특징으로 설명될 수 있다. 식물플랑크톤 역시 규조류가 우점하는 보편적인 해수의 특징을 보였다.

Keywords

References

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