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

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Water Quality and Phytoplankton in the Waters of Anmyondo Ggot-jee Swimming Beach

안면도 꽃지해수욕장 수질 및 식물플랑크톤

  • Yeo, Hwan-Goo (Department of Environmental Engineering, Hanseo University)
  • 여환구 (한서대학교 환경공학과)
  • Received : 2011.10.31
  • Accepted : 2012.01.05
  • Published : 2012.01.31
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Abstract

Physicochemical water conditions and phytoplankton were investigated at Ggot-jee beach in Anmyondo, summer season of 2011. COD were sometimes recorded higher than 5.0mg/l and SS were always over 40mg/l. DO, pH and salinity were stable generally but low salinity was affected by heavy rainfall. In spite of relatively high concentrations of chlorophyll and phytoplankton standing stocks, discolored water phenomena(green or red tide) had not been occurred. A few dinoflagellate species were dominated in June and July, but general diatoms were dominant species of phytoplankton community in August. Escherichia coli concentrations were higher in August(>400CFU/100ml) than in July but it's not the level of hygienic problem.

2011년 하절기에 안면도 꽃지해수욕장 수질 및 식물플랑크톤을 조사하였다. COD는 때때로 5.0mg/l를 초과하였고 SS는 대체로 40.0mg/l를 초과하였다. DO, pH, 염분 등은 대체로 안정적인 수준이었고 폭우의 영향으로 염분값이 다소 변동하였다. 엽록소 농도와 식물플랑크톤 현존량은 8월에 상대적으로 높은 값을 보였으나 우려되는 녹,적조 현상은 발생하지 않았다. 식물플랑크톤 우점종은 6월과 7월에 다량의 와편모조류가 출현했으나 8월에는 보편적인 규조류 종들이 우점하였다. 대장균군수는 7월보다 8월에 다소 높은 값(>400CFU/100ml)을 보였으나 위생학적으로 문제될 수준은 아니었다.

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