The glacier tongue had previously contributed to keeping a section of the ocean free of ice, a condition known as a polynya.

在此之前，默兹冰舌促使这块海域保持着没有浮冰的状态，为冰沼湖(polynya)形成创造了条件。

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While previously the gap between the continents had allowed a free flow of water, now the isthmus presented a barrier that divided the Atlantic Ocean from the Pacific Ocean.

以前，大陆之间的鸿沟允许水自由流动；而现在地峡形成了一道屏障，把大西洋和太平洋分隔开来。

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The most obvious consequence of ice loss will be rising sea levels from glaciers sliding into the ocean, and increased global warming as ice-free waters absorb solar energy.

冰川消失的最明显的后果将会是由于冰川滑入海洋而导致海平面的上升，并随着无病海域吸收了太阳能而增加全球变暖。

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He warns that the Arctic Ocean could be free of ice during future Northern Hemisphere summers.

VOA: special.2009.10.27

We look to the other side of the ocean to learn how a people which has known how to make itself free, knows how to preserve its freedom. " The assassination of Abraham Lincoln touched the imagination of America's writers.

VOA: special.2009.12.31

This comes as a result of the understanding the financial markets hate me, you and every single person who attempts to pee in its beloved ocean of free flowing cash.

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When you take into account the ease with which they inhabit the ocean, free dive to depths of 15m or more, hold their breath for minutes, hunt for turtles, shells and sea cucumbers, and navigate between distant islands, led only by instinct, both names are equally fitting.

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Argo is a global fleet of 3000 data collection ships that collect high-quality temperature and salinity profiles from the upper 2000m of the ice-free global ocean.

UNESCO: Intergovernmental Oceanographic Commission (IOC)