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首页> 外文期刊>Phytochemistry reviews: proceedings of the Phytochemical Society of Europe >Reconstruction of paleoclimates by isotopic analysis: What can the fossil isotopic record tell us about the plant life of past environments?
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Reconstruction of paleoclimates by isotopic analysis: What can the fossil isotopic record tell us about the plant life of past environments?

机译：通过同位素分析重建古气候：化石同位素记录可以告诉我们有关过去环境的植物生活的哪些信息？

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摘要

The last two decades of scientific research have seen a pronounced increase in studies of abrupt climatic change. Understanding past shifts in climate becomes a priority as we examine reasons for climatic change and the interrelationship between the biosphere and the atmosphere-ocean-cryosphere. The realisation that modern climate appears to be changing at a rapid rate has challenged scientists to look at past records of abrupt climate change. How rapidly can vegetation respond to climate shifts? What magnitude of vegetation change has been seen in the past? How widespread were these changes and how do they compare with shifts in the polar ice cores and the ocean? A selection of vegetation records, for which the isotopic signatures reflect environmental changes, are examined here. This paper focuses on the type of paleoclimatic interpretation that can be made: qualitative information with or without temporal constraint or even, in the best instances, the possibility of reaching a quantitative reconstruction.
机译：在最近的二十年科学研究中，突然的气候变化研究显着增加。当我们研究气候变化的原因以及生物圈与大气-海洋-冰冻圈之间的相互关系时，了解过去的气候变化已成为当务之急。现代气候似乎正在迅速变化的认识使科学家们不得不审视过去气候突变的记录。植被如何快速响应气候变化？过去看到过多少植被变化？这些变化有多广泛？它们与极地冰芯和海洋的变化相比如何？在这里检查了一些同位素记录反映环境变化的植被记录。本文着重于可以做出的古气候解释类型：有或没有时间限制，甚至在最佳情况下甚至可能达到定量重建的定性信息。

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