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冰川冻土  1996 

陇西黄土高原马兰黄土划分与末次冰期气候快速变化研究

, PP. 111-118

Keywords: 马兰黄土记录,古土壤序列,间冰段,末次冰期气候不稳定性

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Abstract:

陇西黄土高原马兰黄土内存在9个弱成壤组(层),记录了末次冰欺内多达22个间冰段气候的环境状况。马兰黄土中部古土壤是末次冰期大间冰段的记录,共有上、中、下3层古土壤,含11个亚层,尤以下层古土壤发育最好,表明当时气候较温暖湿润。陇西马兰黄土记录与格陵兰GRIP冰芯记录相吻合,说明末次冰期内气候快速变化和不稳定性具有全球意义。

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