The key is to change the ocean's local surface temperature, say, by pumping up deep, cold water or using giant plastic tubes to help mix the ocean layers.

关键因素是改变大洋局部的表面温度，通过将底层的冷空气抽到上层或者使用巨大的塑料板，以混合大洋不同深度各层。

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Internal waves happen because the ocean is layered. Deep water is cold, dense, and salty, while shallower water is warmer, lighter, and fresher.

出现内波是因为海洋是分层的，深层水更凉，密度高而且含盐量高，浅层水更暖和，密度小而且更淡。

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A slight increase in the Sun's output was matched by the disruption of deep ocean currents caused by cold fresh water sinking from the melting floes above.

阳光略有增加，这是由于那些从融化的浮冰上面吸取能量的冷水引发的深海洋流断层而导致的。

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