V2EX ice core

Ice Core

释义 Definition

ice core冰芯;从冰盖或冰川中钻取出来的圆柱状冰样,内部常含有分层结构、气泡、尘埃与化学成分,可用来重建过去的气候与大气环境(如温度、降水、火山活动、温室气体浓度等)。

发音 Pronunciation

/as k/
/as kr/

例句 Examples

Scientists drilled an ice core in Antarctica.
科学家在南极钻取了一根冰芯。

By analyzing trapped air bubbles in the ice core, researchers reconstructed atmospheric CO levels from tens of thousands of years ago.
通过分析冰芯中被困住的空气气泡,研究人员重建了数万年前的大气二氧化碳浓度。

词源 Etymology

ice core是由两个常见词组合而成的科学术语:ice(冰)+ core(核心/柱状样品)。这里的core指“从整体中取出的柱状取样”(如土芯、岩芯),引申为“用于分析的钻取样本”。该短语在现代冰川学与古气候学发展过程中逐渐固定,用来指代“冰中记录的时间档案”。

相关词 Related Words

文学与著作 Literary Works

  • Richard B. Alley,《The Two-Mile Time Machine》(中文常译《两英里时光机》):以通俗方式介绍冰芯如何记录地球气候史。
  • Jon Gertner,《The Ice at the End of the World》:围绕格陵兰冰芯研究与现代气候科学展开,频繁使用“ice core”。
  • Elizabeth Kolbert,《The Sixth Extinction》(《第六次大灭绝》):在讨论气候证据时提及冰芯等关键记录。
  • IPCC 气候变化评估报告(多卷本科学报告):作为权威科学文献,常用“ice core”引用古气候证据与温室气体历史数据。
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