| 冀西北坝上全新世堆积及环境演变特征 |
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| 引用本文： | 闫永福.冀西北坝上全新世堆积及环境演变特征[J].城市地质,2002,14(2):23-27. |
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| 作者姓名： | 闫永福 |
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| 作者单位： | 河北省地勘局地质五队 唐山063004 |
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| 摘 要： | 冀西北坝上全新世岩性四分性明显，早期堆积物为洪、冲积并存，分布较少，中期以冲积为主，分布较,后转为风积，晚期为洪积、洪冲积、沼泽堆积。相应的气候则由较暖较干、温暖湿润、温度较干到温凉较干四个主要变化过程。
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| 关 键 词： | 全新世堆积 植被 气候 河北 环境演变 |
The Characteristics of The Holocene accumulation and Its Environ mental Evolution in Bashang, North west Hebei |
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| YAN Yong,fu.The Characteristics of The Holocene accumulation and Its Environ mental Evolution in Bashang, North west Hebei[J].City Geology,2002,14(2):23-27. |
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| Authors: | YAN Yong fu |
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| Abstract: | The Holocene of Bashang can appreciably be divided into 4 lithologic assemblages, In early stage, the only a few accumulation is mainly deluviation alluviation, In middle stage, there is widespread accumulation, is mainly alluviation, then change eolian deposit, In last stage, the accumulation is mainly deluviation,deluviation alluviation and marsh deposit the main change process of the relevant climate include warmer drier, warm humid,warm drier and cool dry? |
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| Keywords: | the Holocene accumulation vegetation climate Bashang |
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