• Their roots don't grow very deep, so the permafrost doesn't interfere with their growth.

    它们所以永久冻土不会影响它们的生长。

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  • Beneath this active layer is a second layer called "permafrost", which is frozen all year around, and is impermeable to water.

    一活跃下面被称为多年冻土”的第二层,终年冻结透水。

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  • There're two reasons for this: first, they live in the active layer, which, remember, contains water that doesn't penetrate the permafrost.

    造成这种情况的原因两个首先它们生活活动请记住,活动层中包含不会渗透永久冻土。

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  • Geologists think that this fluidized ejecta crater indicates that a layer of permafrost, or water ice, lies just a few meters under the surface.

    地质学家认为这个具有流体化喷出陨石坑表明地表深处有永久冻土层

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  • The answer may be that virtually all the water on Mars is now locked in the permafrost layer under the surface, with more contained in the planet's polar caps.

    答案可能现在火星几乎所有被锁地表的永久冻土层中,更多的水被包含这个星球极地冰帽中。

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  • On the beach there is a jagged layer of thawing permafrost.

    海滩上一个不规则正在融化永久冻土层

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  • Permafrost Photo: Dentren at en.wikipedia / ccbysa 3.0

    多年冻土图片Dentren at en.wikipedia /ccbysa 3.0

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  • Permafrost warms up, and infrastructure built on it founders.

    永久冻土温度上升基础修建基础设施。

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  • An example of a tipping point is the thawing of the permafrost.

    “气候引爆一个例子就是永久冻土层融化

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  • As the permafrost melts, the land loses its capacity to absorb water.

    由于冻土融化陆地会失去吸水性

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  • "As the permafrost melts, the land loses its capacity to absorb water," Xin said.

    说:““随着冻土消融,土壤失去吸水能力,会有更多的水分流失,退化就更严重。

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  • "These permafrost deposits are now melting and releasing their methane," said Maslin.

    这些永久冻土中的沉积物开始融化释放出甲烷,”麦斯林

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  • Not in the center. It is full of lakes, rivers and low vegetation resting on permafrost.

    中心地区山不多.那里湖泊河流密布.低矮植物生长在永久的冻土.

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  • Not in the center. It is full of lakes, rivers and low vegetation resting on permafrost.

    中心地区山不多。那里湖泊河流密布。低矮植物生长在永久的冻土

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  • Warming temperatures may also help uncover archaeological evidence buried under permafrost.

    温暖的气候帮助揭开哪些尘封在冻土之下的考古真相。

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  • Their growth will likely counterbalance some of the increased emissions from melting permafrost.

    植物生长或许可以在某些程度上平衡由于永久冻土融化而不断增加碳排放

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  • The presence of sea ice and of permafrost helps protect Arctic barrier islands for much of the year.

    海冰冻土层出现很多年来帮助保护北极障壁

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  • It also can be released directly as stored methane already in the permafrost is released as it thaws.

    冰冻冻层中的甲烷随着永冻层的融化而释放

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  • Permafrost is defined as any ground that has stayed below freezing for more that two consecutive summers.

    多年冻土任何连续两个夏天处于冰点以下地面

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  • But the main exhibit is the completely preserved in a piece of permafrost mammoth, which was found in 1999.

    主要展品冻土层中完好保存的猛犸象骨架发现于1999年。

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  • Yakutsk is the largest city in the world built on permafrost - soil that remains permanently frozen year round.

    雅库茨克世界上建设永久冻土最大城市——土壤在全年保持冰冻

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  • The permafrost contains immense amounts of frozen organic matter that have been accumulating for millennia.

    永久冻土层经过千万年累积形成,其中包含了巨冻僵有机物

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  • The boreal forest will creep northwards, for example, as the permafrost thaws and carbon fertilisation increases.

    例如随着冻土融解二氧化碳增多,针叶林继续移。

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  • Other positive climate feedbacks that operate in the Arctic include the thawing of permafrost and vegetation changes.

    北极发生其它气候正反馈还包括永久冻土融化植被变化

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  • Methane is released when organic material in the thawing permafrost decomposes, which gradually releases methane.

    冻层融化其中有机物质分解就会释放甲烷

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  • Guodong explains that the construction impact posed a greater threat to the plateau permafrost than global warming.

    成国栋解释说,建设过程青藏高原永层所造成威胁比全球气候暖化

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  • Ice will vanish from Arctic summers and some mountaintops, permafrost will become impermanent, sea levels will keep rising.

    在夏季,北极一些山顶消失永冻层变得无常”,海平面继续上涨。

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  • Ice will vanish from Arctic summers and some mountaintops, permafrost will become impermanent, sea levels will keep rising.

    在夏季,北极一些山顶消失永冻层变得无常”,海平面继续上涨。

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