本文以普林斯頓海洋模式POM (Princeton Ocean Model)為基礎，建置台灣環島海域三維海潮流模擬系統，以巢狀網格縮小計算範圍至台灣東南部之綠島海域，將格網間距調整至500 m (約1/200°)，利用高解析度之計算技巧來模擬綠島海域海流與流速的變化。同時基於GIS(Geographic Information Systems)空間分析，進行綠島海域海流發電評估以及選定適當之海流發電機布置地點。模式經由與觀測潮位、潮流與流向檢定驗證後，確認其可靠度。根據模擬結果，計算環島海流能量分布，以黑潮流域、澎湖海域、台灣南部海域較大。黑潮流域為一流量穩定且均勻的海流發電位置。
綠島位於台灣東南部海域，附近有海脊由於水深較淺，造成黑潮流經時能產生更高的流速，使得解決構建海洋流發電系泊系統的問題可能性提高。本研究首先使用數值模擬調查當地區域，藉由流速變化分佈在不同水深以確保渦輪機在颱風來襲期間仍可於深水區內正常運作。基於流速分佈變化分析，本研究使用GIS分析工具，以幫助選擇較佳的洋流發電機佈置場域。

The POM (Princeton Ocean Modeling) model was applied for simulating ocean current around Taiwan coastal waters. The nested domain was adopted to narrow down the computational region and increase numerical accuracy to the southeast waters of Green Island at Taiwan. A higher-resolution layer with a spatial grid of 500m (1/200 degree) was constructed to simulate the distribution of ocean current and related velocity in the Green Island.GIS (Geographic Information Systems) spatial analysis was also employed to evaluate and select a proper ocean current power site. The refined Green Island current model had been validated using comprehensive date of measured tidal currents. Numerical results indicated that ocean current power was relatively strong in the following areas: the Kuroshio area, the Penghu coastal area, and the coastal waters away from the southern tips of Taiwan. The Kuroshio is a steady steady and uniform flow with a large amount of flow discharge.
The Green Island is located in the southeast of Taiwan with bridges to have shallow water depth which produces a higher speed as Kuroshio travels along the Island. This enables the higher possibility to construct ocean current poewr energy station for mooring system problems. In this papers, we first investigated the current field using numerical simulation by POM model. Velocity field at different water depths were also presented to ensure that turbine can still work in a deep water depth during typhoon events. Based on the current speed distribution analysis, we use GIS to help for selecting an appropriate site to construct a ocean current power station.

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