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将Casulli差分格式引入三维物理海洋模型计算 ,模拟了北部湾风生流及密度流 .模拟结果表明 ,夏季西南季风在北部湾导致一个顺时针环流 ,夏季海水密度梯度导致一个逆时针方向的环流 ,密度流明显强于风生流 ;冬季东北寒潮导致一个逆时针环流 .模拟结果不支持北部湾夏季为一顺时针环流、冬季为逆时针环流的传统结论 ,而支持终年为逆时针环流的观点 .
The Casulli difference scheme is introduced into the 3D physical ocean model to simulate the wind flow and the density flow in the Beibu Gulf.The simulation results show that the summer monsoon in the North China Sea leads to a clockwise circulation in summer and the seawater density gradient in summer leads to a counter-clockwise circulation, The density flow is obviously stronger than the wind flow, and the cold spell in the northeast leads to a counter-clockwise circulation in winter. The simulation results do not support the traditional conclusion that the Beibu Gulf is a clockwise circulation in summer and a counter-clockwise circulation in winter.