Methods13 sections of outcrop and 62 drill cores were observed and described.

方法观察描述岩石露头剖面13条，钻井岩心62口；

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We use analyzed results of drill cores and median grain diameter to compute bound water saturation of formation.

利用钻井取心分析化验结果和粒度中值，计算地层束缚水饱和度。

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He hopes to drill cores that date back thousands of years at the Chukchi Sea margin, providing a detailed history of interaction between oceanic currents and ice.

他希望，在楚科奇海域能钻探出几千年前的岩心，为了解海洋水流和冰之间相互作用提供详实的历史资料。

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The Norwegians send teams out on to the floating ice to drill holes into it and extract cores to determine the ice's origin.

BBC: Arctic ice melting at 'amazing' speed, scientists find

But he believes more cores are needed from different regions, and is proposing to drill in other parts of the Arctic, notably areas north of Russia and east Asia, to establish the global pattern.

BBC: Coal's toxic legacy to the Arctic