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Marine Environmental Characteristics around the Test Phase of Offshore Wind Farm in the Southwestern Coast of Yellow Sea

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2019, 28(5), pp.457-470
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering
  • Published : October 30, 2019

서진성 1 Taeyun Kim ORD ID 2 Junho Maeng ORD ID 2 Eun-Pyo Lim 3 SUNG-JU JIN 3 김현민 4

1한국환경정책평가연구원
2한국환경정책·평가연구원
3(주)세광종합기술단
4에스케이디앤디(주)

Accredited

ABSTRACT

This study aims to present the characteristics of marine physics, water quality, and sediment quality around offshore wind farm near the Gochang and Buan sea areas through the analysis of monitoring data. The relationships between suspended solid and wave height as well as suspended solid and flow velocity were analyzed. We found that Correlation Coefficient values of 0.61~0.69 between wave height and suspended solid, and suspended solid concentration reaches 75 mg/L or higher when wave height of more than 1m occurred in the spring (1 month). The water quality index (WQI) was used to identify the status of the water quality in the study area. Most of the measured points were rated first grade (very good). The variation of chlorophyll-a was relatively hight compared to the other criteria, indicating that it is a major factor affecting the quality index. In the sediment column, all heavy metals were detected below the Threshold Effects Level(TEL), and ignition loss and grain size show a positive correlation.

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