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下蜀土剖面磁化率反映古气候变化机制的探讨
引用本文:许峰宇.下蜀土剖面磁化率反映古气候变化机制的探讨[J].徐州师范大学学报(自然科学版),1995(2).
作者姓名:许峰宇
摘    要:通过对典型下蜀土样品的低温磁化率测量,探讨下蜀土剖面磁化率反映古气候变化的机制。结果表明,下蜀土构成剖面中古土壤、黄土层的磁性晶粒的大小不同,古土壤中大量的细小超顺磁颗粒的存在是其磁化率增高的主要原因,这种细小磁性颗粒在古土壤中的积聚可能与其发育及古气候的暖湿程度有关。

关 键 词:下蜀土,低温磁化率,气候变化

Study on the Mechanism of Magnetic Susceptibility's Reflecting the Paleo-climatic Changes in Xiashu Loess
Xu Fengyu.Study on the Mechanism of Magnetic Susceptibility's Reflecting the Paleo-climatic Changes in Xiashu Loess[J].Journal of Xuzhou Normal University(Natural Science Edition),1995(2).
Authors:Xu Fengyu
Abstract:The magnetic susceptibility in low temperature has been measured to explain the mechanism of magnetic susceptibility's reflecting the paleo-climatic changes in Xiashu loess.The result shows that the paleosol and the loess contain different magnetic grains.More thin magnetic grain concertrated in paleosol may due to the development of paleosol and the warm and wet paleo-climate.
Keywords:Xiashu loess  low temperature magnetic susceptibility  climatic changes
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