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남강 상류 유역 시설하우스 유출수의 하천 오염기여도 평가
기서진 ( Seo Jin Ki ),서상익 ( Sang-ik Suh ),이춘식 ( Chun-sik Lee ) 한국환경기술학회 2021 한국환경기술학회지 Vol.22 No.4
This study was done to address the effect of greenhouse cultivation effluents on river waters in the Upper Nam River Basin. We measured flow rate and six water quality parameters at the final outlet of the greenhouse cultivation during eight rainfall events randomly occurred between October 2019 and April 2021 which were provided as input to a popular watershed modeling tool SWAT. The years 2012-2014, 2015-2016, and 2017-2018 were set as the warm-up, calibration and validation periods, respectively. Our findings showed that a good model performance was achieved for discharge prediction reaching minimum R<sup>2</sup> values of 0.65, which was followed by sediments, NO<sub>3</sub>, ORGP, and BOD. Annual pollutant loads estimated from the monitoring data were slightly lower than the land-based (unit) pollutant loads. Accordingly, the pollutant load contributions to receiving waters were underestimated by 6.35 % (for BOD), 1.86 % (for T-N), and 3.09 % (for T-P). In addition, pollutant movement, described as the delivery ratio of pollutant loads, varied largely across 18 river segments for BOD and but to only a small extent for T-N and T-P. This calls for more sophisticated monitoring and modeling efforts to develop customized water management strategies along the river segments.
연안지역 유류오염 복원에 대한 국내/외 기술고찰 및 향후 연구계획
차성민,기서진,최희철,김준하,Cha. Sung-Min,Ki. Seo-Jin,Choi. Hee-Chul,Kim. Joon-Ha 한국방재학회 2008 한국방재학회 학술발표대회논문집 Vol.2008 No.1
The development of remediation technologies in the contaminated coastal area from oil spill is essential for solving environmental disaster. Many countries including USA, France and United Kingdom have tried to make novel remediation techniques and predict oil dispersion in the ocean and coastal line by using their own models. To develop new technology of remediation, this research in advance was carried out the status of domestic and international remediation technologies and tried to suggest future research plan for developing new remediation technologies considering geographical characteristics of Korea peninsula.