東海溢油模擬與案例分析

The Oil Spill Simulation and a Case Study in East China Sea

海上漏油事件的發生對海洋生態來說無疑是一場浩劫，除了對海洋生物造成災難性的傷害，也伴隨著對社會和經濟方面的損失。因此運用數值模式的計算，可以在緊急情況下提供適當的決策或措施，這使得數值模擬成為有用且必要的工具。本文研究主要係以開發一個整合的數值模式，以普林斯頓海洋模式（POM）來計算出海水的流速、鹽度與溫度，再以OpenOil模式計算溢油的軌跡與其宿命。本文模擬2018年1月一艘伊朗籍的桑吉號油輪（Sanchi）之漏油事件，本研究透過數值模式測試與驗證，以及與衛星資料比對結果顯示，預測油污軌跡擴散結果與實際油污時間與空間分布吻合。往後油污染事件發生時，本模式將可提供即時污染擴散分布及資料調度之參考資訊。

The occurrence of the oil spill at sea is undoubtedly a catastrophe for marine ecology, not only to the catastrophic damage to marine life, but also with social and economic losses. Therefore, the calculations of numerical model can provide appropriate decisions or measures in emergency situations, which makes it a useful and necessary tool. The main objective of this work is to develop an integrated model in which we apply the Princeton Ocean Model (POM) to determine the current data including seawater velocity, salinity, and temperature and obtain the fate and trajectory of spilled oil using OpenOil. The oil spill of an Iranian tanker (Sanchi) in January 2018 was simulated, and the numerical model of this study was tested and verified. The comparison results show that the predicted oil trajectory diffusion results agree with the actual oil pollution time and space distribution. When an oil pollution event is expected in the future, this integrated model can provide accurate real-time pollution diffusion distribution and data scheduling information.