青海湖湖东沙地河湖-风成沉积记录的中晚全新世以来环境变化
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Mid-late Holocene environmental changes recorded by fluvio-lacustrine and aeolian sediments in the eastern sandy land of Qinghai Lake
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图4. 三道滩(SDT)剖面常量元素氧化物含量随深度的变化 |
Fig.4. Variation of major chemical element oxides content with depth in SDT section |
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