永久冻结带是指永久冰冻的下层土壤，出现在整个北极地区和部分长期寒冷的地区。
n. permafrost
该分析发现，所有的大陆冰川已经在缩减，永久冻结带正在融化，春季水平面高度在改变，湖泊河流温度也在上升。
The analysis found that glaciers in every continent have been shrinking, permafrost is melting, the peak of river levels in spring is shifting, and lake and river temperatures are rising.
劳伦斯和美国国家冰雪数据中心的研究人员利用计算机模型分析了海冰的缩减对气温上升和永久冻结带融化的影响。
Dr Lawrence and researchers at National Snow and ice Data Centre used computer models to analyse how the loss of sea ice could influence rising air temperatures and the melting of permafrost.
最后，对低温惯量是导致哈得逊海湾西南部的永久 冻结 带的可能性进行了讨论。
Finally the possibility that permafrost in southwestern Hudson Bay is a result of cryotic inertia leading to relic conditions is examined.
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