永久冻土融化导致甲烷和其他碳化合物释放到大气层，增加温室效应。
Thawing permafrost leads to releases of methane and other carbon compounds that can reach the atmosphere and increase greenhouse warming.
西伯利亚永久冻土的融化将释放大量甲烷，形成一种强效温室效应并进一步推动全球变暖，另一个转折点到了。
Another tipping point sees massive amounts of methane - a potent greenhouse gas - released by melting Siberian permafrost, further boosting global warming.
基于临界边界单元法，研究温度场中具有蠕变效应的冻土接触载荷传递问题。
The problem of transmission of loaded contact frozen soil with creep effect in the temperature field is studied using critical boundary element method.
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