And what happens is when you start flooding permafrost areas, permafrost starts to deteriorate.

“永久冻土区被水淹没后会开始解冻。

Likely the water's now frozen, in a kind of permafrost beneath the surface, but maybe there are pressures and temperatures in various areas of Mars that have liquified the ice and created perhaps aqua forms.

可能水现冻结地表下面的冻土层里，但是火星不同的地方可能会有压力和温度融冰，可能会产生液体的水。

Methane gas somehow accumulates in the permafrost of Siberia.

甲烷气体以某种方式积聚西伯利亚的永久冻土层。

That is because the mountain is covered with permafrost.

这是因为那座山被永久冻土所覆盖。

So is there a way to save the permafrost?

那有办法拯救永久冻土吗？

And the permafrost acts as a natural freezer, making it cost effective and fail safe.

这里的永久冻土就像一个天然冰柜，这里储存种子不仅具有成本效益同时也很安全。

Buried in Siberian permafrost, not growing or dividing, they're not in suspended animation.

埋西伯利亚永久冻土，不生长或分裂，它们不是假死。

The researchers also searched the permafrost for new clues to the age of the fossils.

研究人员还永久冻土层寻找代的新线索。

The layer of permafrost beneath prevents water draining away.

下面的永冻土层阻止了水的流失。

Ten percent still is-and a further 14 percent is in a state of permafrost.

即便是现，依然有10%的陆地覆盖着冰雪。更有14%的地区是永久冻土带。

We only found out about the permafrost When it was too late.

等我们发现永久冻土层时 却为时已晚。

And so the reason the land around us was collapsing is because the once permanently frozen ground called permafrost was starting to thaw.

我们周围的土地之所以崩塌是因为曾经的永久冻土，即长期冰冻的土地，正不断融。

She writes that in order to get large amounts of pay dirt out of the ground, " miners would have to break through layers of permafrost to reach the gravel bedrock beneath."

她写道，为了从地下挖出大量金矿，“矿工们必须凿穿永久冻土层，才能触及下方的砾基岩。”

The Svalbard vault is protected by two airlocks, at the end of a tunnel sunk 160 metres into the permafrost of Norway's Arctic archipelago, outside the village of Longyearbyen, one of the world' s most northerly habitations.

该地窑座落全最北的居民点朗伊尔城的村庄外面，由两个气闸保护着，地窑 里面是深入挪威北极岛群冻土层里160米的隧道。

Rising global temperatures are increasing demand for the hands-on study of permafrost temperatures, especially in circum polar areas where both homes and critical infrastructure, such as the trans Alaska pipeline system are built at top permafrost.

不断上升的全气温正增加对多冻土温度实践研究的需求，特别是极地地区，这些地区的住宅和关键基础设施(如跨阿拉斯加管道系统)都建永久冻土层的顶部。

Anchored in permafrost, these domes range in size from mounds to small hills and seasonally expand and contract as water seeping through them freezes and thaws. They're like an icy eruption in slow motion.

这种穹丘出现永冻层上，规模大小从土堆到小山丘不等，因为渗入其的水会结冰或融，冰丘会跟著季节膨胀或收缩，就像慢动作的冰喷发。

Working with the Centre for Palaeogenetics in Sweden, the firm has obtained fragments of DNA from mammoth teeth found in the Siberian permafrost that are up to 1.2m years old.

该公司与瑞典古遗传学心合作，从西伯利亚永久冻土发现的120万前的猛犸象牙齿获得了遗传物质片段。

Organic matter may also be trapped in ice: on land in areas of permafrost, and at the bottom of the sea in molecular structures called clathrates.

陆地上的永久冻土地区，海底被称为笼形合物的分子结构。

By digging deep into the Arctic permafrost, researchers found 50,000-year-old DNA, which they matched to the nutrient-rich plants found in the stomachs of woolly mammoths.

通过深入挖掘北极的永久冻土层，研究人员发现了大约 5 万前的 DNA 物质，发现其与具有极高营养价值的植物匹配，是长毛象胃发现的（植物）。

Svalbard was chosen as the site of the seed bank, in part, because of the area's permafrost – a thick layer of soil that stays frozen throughout the year.

斯瓦尔巴群岛当选为种子库所地，一部分是因为该地区的永久冻土层——一四季都处于冰冻状态的厚厚的土壤。