晚更新世红土母质土壤的发生学特征及其分类
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* 国家自然科学基金


GENETIC CHARACTERISTICS AND CLASSIFICATION OF LATE PLEISTONCENE RED PALEOSOL
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    摘要:

    晚更新世红土(又称Q3红土),由于它与Q2红土的某些特征:如分布规律、构成地貌形态、母质成因等方面都有类同之处,故长期来人们习惯将它与Q2红土(中更新世红土)上发育的土壤归并在同一个土类,只是在土属中加以区分1).其实,Q3红土与Q2红土的土壤,在发生学特征及发育程度都存有明显差异,在这方面已有人作过一些研究报道[1,2].本文将从成土年龄、孢粉组合、发生学特征及理化性状等方面进行论述,并对其分类上的意义进行探讨。

    Abstract:

    Q3-red paleosol was studied by comparing with Q2-red paleosol from soil age, spore-pollen,ancient climate, genetic characteristics, etc. The results showed that the Q3-red paleosol and Q2-red paleosol were distinct types of parent materials of distinct geologic periods, their soils underwent different development processes and the clear difference existed not only in their genetic characteristic but also in their physical and chemical properties. According to the Chinese Soil Taxonomic Classification, Q3-red paleosol must belong to yellow-brown soil rather than red soil.

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张雪林.晚更新世红土母质土壤的发生学特征及其分类[J].土壤学报,1995,32(3):271-277. Zhang Xuelin. GENETIC CHARACTERISTICS AND CLASSIFICATION OF LATE PLEISTONCENE RED PALEOSOL[J]. Acta Pedologica Sinica,1995,32(3):271-277.

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  • 在线发布日期: 2013-02-25
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