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- W2000567095 abstract "하계 남강댐 방류수 유입에 의해 강하게 성층화된 남해 강진만에서 3차원 수치모델과 결합된 라그랑지안 입자추적모델링 실험을 통해 방류수의 거동 특성과 만내 평균 체류시간을 추정했다. 조위와 유속장, 수온장, 염분장에 대해 각각 스킬 분석(skill analysis)을 이용해 검증했고, 그 결과 대부분 85%가 넘는 재현율을 보였다. 방류 초기 투하한 입자는 노량수도와 대방수도를 통해 외해로 유출되었으나, 최대 방류시기에 투하한 입자는 남향하는 강한 밀도류에 의해 사천만, 진주만, 강진만으로 유입되었으며, 지형적 요인과 해수유동 특성상 외해로 유출되지 못하여 체류시간이 증가했다. 투하한 입자 전체의 평균 체류시간은 약 65.9 시간(약 2.75일)이며, 초기 방류시 투하한 입자의 평균 체류시간은 약 55~65 시간, 방류 종료시 투하한 입자는 약 60~70 시간이다. 방류량 최대시 투하한 입자는 약 70~80 시간으로 방류량이 증가하면서 체류시간이 약 10~20 시간 증가하는 양의 상관성(R = 0.81)으로 나타났고, 이는 강진만 생태계가 장기간 지속적으로 저염수에 의한 염분 충격을 받은 것으로 볼 수 있다. A Lagrangian particle tracking model coupled with the ECOM3D were used to study on the behavior of fresh water released from the Namgang Dam in terms of residence time in Kangjin Bay, South Sea, Korea. Model was calibrated until skill cores for elevation, velocity, temperature and salinity are satisfied over 85%. In the numerical simulation, particles were released in 1 hour time interval from the northern boundary. The different patterns of particle trajectory are identified under the varying dynamics from tidal to density-driven current. The average residence time of total particles are approximately 65.9 hours in the entire Kangjin Bay. The average residence time were increased from 55~65 to 70~80 hours during maximum discharge period. Discharge rate of fresh water and average residence time in the Kangjin Bay is high correlated with correlation coefficient over 0.81." @default.
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- W2000567095 date "2012-04-30" @default.
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- W2000567095 title "Model Trajectory Simulation for the Behavior of the Namgang Dam Water in the Kangjin Bay, South Sea, Korea" @default.
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- W2000567095 doi "https://doi.org/10.9765/kscoe.2012.24.2.097" @default.
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