Well, let's consider a world without floating ice.

好，设想一下没有浮冰的世界吧。

An iceberg is a large mass of ice floating on the water.

冰山是一大块漂浮在海洋的冰体。

But what if you apply this to glaciers and floating sea ice?

但是如果这发生在冰河以及海洋浮冰的时候呢？

My ship was exploring the Arctic when we found a man on a piece of floating ice.

我的船只在考查北极时，发现一个男人躺在一块浮冰上。

" Bits of floating ice released tiny bubbles of air, hissing like oil in a skillet, " she writes.

“漂浮的冰块会冒出微小的气泡，它们嘶嘶作响，就像是煎锅里的油。”。

The floating ice drops a staggering 12 meters, nearly 40 feet, exposing the seabed, and, hopefully, the bounty they're after.

这片浮冰居然下沉了 12 米，约 40 英尺，露出了海床，也希望会带来他们迫切需要的食物。

An ice jam occurs when pieces of floating ice build up and block the flow of water in rivers and streams.

当漂浮的冰块堆积起来阻碍河流和溪水时，就会发生冰塞。

Spectacular scenes were captured recently on the border between Ontario and New York State including innumerable chunks of ice floating over the falls.

最近在安大略省和纽约州的边界上拍摄到了壮观的景象，包括瀑布上漂浮着无数的冰块。

They should not bring much rise in the sea level, since floating ice obeys Archimedes's principle and displaces its own mass of water.

它并不会使海平面上升许多，因为浮冰遵循阿基米德原理排开了相当于它自身的水。

As glaciers extend out over water, they form floating ice shelves.

当冰川延伸到水面时，它们形成了漂浮的冰架。

Unhappily, as you know, the ship hit an iceberg, a very large piece of ice floating in the ocean.

不幸的是，正如你所知， 这艘船撞上了一座冰山，一块漂浮在海洋中的巨大冰块。

Most of the glacier is part of Antarctica's continental ice, but at its end, it flows out to sea and gives rise to a floating ice shelf.

大部分冰川是南极洲大陆冰的一部分，但是在它的末端，它会流向大海，形成一个漂浮的冰架。

Along the route, armed guards wandered the large sheets of floating ice to minimize the risk of polar bear attacks.

沿途，武装警卫在大片浮冰上徘徊，以尽量减少北极熊袭击的风险。

By insulating the water underneath, floating ice has enabled complex life to survive and evolve on our planet, despite the many ice ages that have frozen the Earth's surface solid.

漂浮的冰隔绝了地下的水，使复杂的生命得以在我们的星球上生存和进化，尽管冰河时期地球表面是一片冰冻世界。

And until recently, it was hard to study many places in the ocean up there because floating sea ice made getting there difficult.

直到最近，还很难研究那里海洋中的许多地方，因为漂浮的海冰使到达那里变得困难。

All over Antarctica, the loss of ice from the floating ice shelves has increased by a factor of 12 in the past two decades.

在过去的二十年里，整个南极洲浮冰架的冰流失量增加了 12 倍。

This is because the floating ice already displaces roughly the same amount of water as it would produce when it melts, so that effect would be negligible.

这是因为浮冰已经取代了与它融化时产生的水量大致相同的水量，因此这种影响可以忽略不计。

Unlike floating ice shelves which have little impact on sea level when they break up, the ice sheet is anchored to bedrock will blow the sea surface. Surrounded by open ocean, it is also vulnerable.

不同于浮动冰架，崩裂时几乎不对海平面造成任何影响。当与基岩相连的大冰块分崩离析时，将会撞击覆盖海面的冰原。由于冰原的四周都被海洋包围，所以十分脆弱。

In essence, this ingenious American has noted that between the South Pole and the 60th parallel, the sea is covered with floating ice of dimensions much greater than any found in the north Atlantic.

的确，这位高明的美国学者指出，在南极和纬度60度中间，海上是浮动的冰群，这些冰群非常巨大，在大西洋北部从不能碰到。

These predict that if the level of carbon dioxide, methane and so on in the atmosphere continues to rise, then the Arctic Ocean will be free of floating summer ice by the end of the century.

按照他们的预计，若大气中的二氧化碳、甲烷以及其他温室气体持续增加，到本世纪末夏季的北极海冰将完全消失。