古环境下形成的土壤。具有埋藏或非埋藏的剖面,大部分古土壤形成于第四纪地质时期或第三纪末。一般分为埋藏土和残余土两大类。通过古土壤研究,可重建过去的成土环境,了解土壤的发生演变,正确处理现代土壤性质和古土壤的关系。
The climate was warm-dry in early stage of the period from 3.71 to 3.06ka BP, but it was cool-wet in mid-late period and the weakened paleosol(Se6) was formed.
3.71~3.06ka BP早期气候温干、中晚期凉湿而后渐干的变化特征,适宜期发育弱成古土壤Se6。
参考来源 - 塔克尔莫乎尔沙漠晚全新世环境演变研究The paleosol layer is easy to form a waterproof layer because of poor permeability.
古土壤层透水性较差,易形成阻水层。
参考来源 - 陕西洛川离石黄土下部土层渗透率与含水条件研究·2,447,543篇论文数据,部分数据来源于NoteExpress
中国古土壤现分为埋藏土和残余土两大类。
Paleosols of China are divided into buried and relict soils.
其顶部覆盖了末次间冰期古土壤与末次冰期黄土。
The last interglacial paleosol and last glacial loess units overlie the top of this section.
黄土形成时的沙尘暴活动比古土壤形成时要强的多。
Dust storms in Loess period were much stronger than in paleosol period.
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