| 陕西歧山全新世黄土高分辨率气候记录 |
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| 引用本文： | 张战平,庞奖励,黄春长,赵景波.陕西歧山全新世黄土高分辨率气候记录[J].中国沙漠,2000,20(4):415-417. |
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| 作者姓名： | 张战平 庞奖励 黄春长 赵景波 |
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| 作者单位： | 陕西师范大学 旅游与环境学院, 陕西 西安 710062 |
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| 基金项目： | 陕西省自然科学基金95D05项目;中国科学院黄土与第四纪开放实验室基金项目成果 |
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| 摘 要： | 根据对陕西歧山县五里铺村全新世黄土剖面的野外考察和粒度、磁化率室内分析,揭示了该地区全新世气候变化规律。认为在全新世大暖期当中的6 000 5 000 aB.P.曾经出现过风成黄土的堆积,代表了一个相对干旱期。因而,可知全新世大暖期气候是不稳定的。这就导致全新世出现两个成壤期。不论在温湿阶段还是在冷干阶段,气候都具有短尺度、小幅度的频繁波动变化。
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| 关 键 词： | 全新世 气候变化 高分辨率 陕西 |
| 文章编号： | 1000-694X(2000)04-0415-03 |
| 收稿时间： | 1999-10-18 |
| 修稿时间： | 1999年10月18 |
Climatic Record with High Resolution in the Holocene Loess in Qishan, Shaanxi |
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| ZHANG Zhan-ping,PANG Jiang-li,HUANG Chun-chang,ZHAO Jing-bo.Climatic Record with High Resolution in the Holocene Loess in Qishan, Shaanxi[J].Journal of Desert Research,2000,20(4):415-417. |
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| Authors: | ZHANG Zhan-ping PANG Jiang-li HUANG Chun-chang ZHAO Jing-bo |
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| Institution: | College of Tourism and Environmental Sciences, Shaanxi Normal University, Xi'an 710062, China |
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| Abstract: | The field investigations,g rain-size analysis and magnetic susceptibility measurement in the Holocene loess profiles in Qishan,Shaanxi,has revealed the characteristics of the climatic change during last 11000 years.There is an arid phase existed in the middle of the Holocene Mega thermal between 6 0005 000 a B.P..It is represented by a layer of loess(Lx) in the profile.Therefore,there are two pedogenic periods in the Holocene,which is represented by palaeosol S02 and S01 in the profile.In addition,smaller-scale climatic variation was very frequent over the last 11 000 years. |
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| Keywords: | Holocene climatic change high resolution |
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