摘要
黄土高原是古气候环境的历史藏在自然界用密码写就的一本本"秘岌"之一。黄土高原的黄土——古土壤序列对研究古气候变化具有重要意义。通过黄土——古土壤的交替出现,来研究古气候的变化旋回。研究发现黄土的颜色、粒度等与古气候变化存在一定的关系。
引文
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