We use the ice-ocean coupled model, which is driven by simulated atmosphericforcing of MM5, to simulate the seasonal variation of 2003/2004 ice cover in the Bohai Sea.
MM5数值产品作为大气强迫，利用冰-海洋耦合模式模拟2003～2004冬季渤海海冰演变过程。
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"We have not had a clear understanding of what is driving this melting because the atmosphericforcing - the temperature at the surface - is not warm enough to cause such a melting," he added.
Explain that the air around them presses against everything and likewise presses down on the water in the jar, forcing the water up the neck of the bottle when atmospheric air pressure rises.