晚更新世以来的气候变迁史与地球轨道
徐钦琦
摘要(Abstract)：
<正> 在地质历程上,气候曾发生过显著的变化。探索这种变化的原因,是当前国际上引人注意的研究课题之一。近几十年来,人们利用深海钻孔取样,和分析氧同位素含量测定古温度等方法,发现地质历程上的气候变迁的过程,已被完整地、准确地记录在深海软泥之中。原来这些深海软泥,主要是由有孔虫、放射虫等微体生物的壳体组成的。据研究,在
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基金项目(Foundation):
作者(Author): 徐钦琦
DOI: 10.19839/j.cnki.dcxzz.1981.03.011
参考文献(References)：
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