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鄂尔多斯大面积冰楔群的发现及20ka以来中国北方多年冻土南界与环境
崔之久; 杨建强; 赵亮; 张威; 谢又予
Source Publication科学通报
2004
Issue13Pages:1304-1310
Keyword末次冰期 全新世大暖期 多年冻土 冰楔假型 砂楔
Abstract此前,中国晚更新世晚期多年冻土南界的研究有两点不足,一是限于中国北方东段,二是年代数据不够系统.通过对中国北方晚更新世晚期冰缘现象的研究,认为中国北方高纬度多年冻土南界基本上沿38o~40oN(东段)和37o~39oN(西段)延伸,并第1次绘出分布图.同时,综合其他方面的研究成果,重建了晚更新世晚期以来纬度冻土带南界的变迁,并提出26和23~13kaBP有两次寒冷期,年均温在不同地段较今降低8~12℃.
Language中文
Document TypeCNKI期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/18693
Collection历年回溯文献
Recommended Citation
GB/T 7714
崔之久,杨建强,赵亮,等. 鄂尔多斯大面积冰楔群的发现及20ka以来中国北方多年冻土南界与环境. 2004.
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