permafrost

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

“这些永久土中的沉积物开始融化，并释出甲烷，”麦斯林说。

Thermosiphon piles enable to increase the stability and bearing capacity of permafrost foundation and to prevent the foundation from frozen expansion and thaw settlement.

在土地带进行管道、铁路、公路等工程建设,必须解决土地基的稳定性问题。

As the industry puts more and more focus on developing and utilizing oil and gas resources in the paramos and permafrost zone, pipeline construction in the areas will be definitely accelerated.

摘要随着开发和利用高寒及土区油气资源的热潮来临，土区管道建设的步伐必将加快。

Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.

随着永久土带消溶和分崩离析，热喀斯特现象大量出现，埋藏于地下的（甲烷等）温室气体可能散发到大气中。