冰芯记录中的气候变化是古气候研究中的重要组成部分。
Climate changes recorded in the ice cores are the main parts of palaeoclimatology.
在开始有记录之前，我们只有主要根据年轮和冰芯重建的“代理记录”，还有一些不完整的书面记录作为补充。
For the time before records began, we have only "proxy records" reconstructed largely from tree rings and ice cores, supplemented by a few incomplete written accounts.
与冰芯中上部含深褐色火山灰冰层的历史记录年代相比误差小于3%。
Comparisons with the chronical records of the volcanic ash layers contained in the middle upper part of the core suggest an age error less than 3%.
位于大陆的黄土磁化率气候记录可以与南极冰芯气候记录对比。
That, the climatic information in the continent loess can be compared with records of Antarctic ice-core.
位于大陆的黄土磁化率气候记录可以与南极冰芯气候记录对比。
That, the climatic information in the continent loess can be compared with records of Antarctic ice-core.
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