A geostrophic current is an oceanic flow in which the pressure gradient force is balanced by the Coriolis effect. The direction of geostrophic flow is parallel to the isobars, with the high pressure to the right of the flow in the Northern Hemisphere, and the high pressure to the left in the Southern Hemisphere.
例句与用法
1.
Several regression models , with an independent variable of sea surface geostrophic current , were set up to simulate the real trajectories of drifters 对南海中伴随涡旋运动的2个浮标模拟试验显示，诸多模型中以海表地转流、风海流及背景流为自变量的回归模型模拟浮标漂流轨迹效果较好。
2.
Experiments on the two drifters showed that the model , with independent variables of sea surface geostrophic current , ekman drift , and mean circulation , has the best efficiency of simulating real trajectories 利用该回归模型，模拟出南海2个漂流浮标轨迹和真实轨迹距离偏差较小且二者运动趋势基本一致。
3.
By analyzing the simulated velocities , it was shown that : in the middle of eddies , the drifter was controlled mainly by the sea surface geostrophic current ; in the edge of eddies , the ekman drift played an important role in diving the drifter into ( out of ) eddies ; the mean circulation made the drifters flow correctly in some regions 背景流的空间分布决定着浮标漂移的最终去向，特别是背景流方向改变的区域，背景流的存在使得模拟浮标轨迹能够像真实轨迹一样运移。
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