塔里木盆地南缘黄土粒度特征及其环境意义

滕晓华; 张志高; 韩文霞; 方亚会; 叶程程

doi:10.14027/j.cnki.cjxb.2015.05.010

ISSN 1000-0550 CN 62-1038/P

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塔里木盆地南缘黄土粒度特征及其环境意义

滕晓华, 张志高, 韩文霞, 方亚会, 叶程程

文章导航 > 沉积学报 > 2015 > 33(5): 941-950

滕晓华, 张志高, 韩文霞, 方亚会, 叶程程. 塔里木盆地南缘黄土粒度特征及其环境意义[J]. 沉积学报, 2015, 33(5): 941-950. doi: 10.14027/j.cnki.cjxb.2015.05.010

引用本文:

滕晓华, 张志高, 韩文霞, 方亚会, 叶程程. 塔里木盆地南缘黄土粒度特征及其环境意义[J]. 沉积学报, 2015, 33(5): 941-950. doi: 10.14027/j.cnki.cjxb.2015.05.010

TENG XiaoHua, ZHANG ZhiGao, HAN WenXia, FANG YaHui, YE ChengCheng. Grain-size Characteristics and Its Environmental Significance of Loess from Southern Tarim Basin[J]. Acta Sedimentologica Sinica, 2015, 33(5): 941-950. doi: 10.14027/j.cnki.cjxb.2015.05.010

Citation:

TENG XiaoHua, ZHANG ZhiGao, HAN WenXia, FANG YaHui, YE ChengCheng. Grain-size Characteristics and Its Environmental Significance of Loess from Southern Tarim Basin[J]. Acta Sedimentologica Sinica, 2015, 33(5): 941-950. doi: 10.14027/j.cnki.cjxb.2015.05.010

滕晓华, 张志高, 韩文霞, 方亚会, 叶程程. 塔里木盆地南缘黄土粒度特征及其环境意义[J]. 沉积学报, 2015, 33(5): 941-950. doi: 10.14027/j.cnki.cjxb.2015.05.010

引用本文:

滕晓华, 张志高, 韩文霞, 方亚会, 叶程程. 塔里木盆地南缘黄土粒度特征及其环境意义[J]. 沉积学报, 2015, 33(5): 941-950. doi: 10.14027/j.cnki.cjxb.2015.05.010

Citation:

塔里木盆地南缘黄土粒度特征及其环境意义

doi: 10.14027/j.cnki.cjxb.2015.05.010

1.
兰州大学西部环境与气候变化研究院西部环境教育部重点实验室兰州 730000;
2.
安阳师范学院资源环境与旅游学院河南安阳 455002;
3.
中国科学院青海盐湖研究所西宁 810008;
4.
中国科学院青藏高原研究所大陆碰撞与高原隆升重点实验室北京 100085

基金项目: 国家自然科学基金(批准号:41301222)资助

详细信息

作者简介:
滕晓华女 1988年出生博士第四纪地质学 E-mail: tengxh11@lzu.edu.cn

中图分类号: P512.2

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Grain-size Characteristics and Its Environmental Significance of Loess from Southern Tarim Basin

1.
Key Laboratory of Western China's Environmental Systems, Ministry of Education of China, Lanzhou University, Lanzhou 730000;
2.
School of Resource Environment and Tourism, Anyang Normal University, Anyang, Henan 455002;
3.
Key Laboratory of Salt Lake Resources and Chemistry & Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008;
4.
Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100085

摘要

摘要: 黄土是地质时期沙尘天气形成的粉尘堆积物,其粒度特征记录了粉尘搬运过程中的古大气环流格局和古环境演化信息。本文对昆仑山北坡克里雅河支流的第5级阶地羊场黄土剖面进行了系统的粒度分析,结果表明,黄土粒度组成主要以粗粉砂和砂砾为主,分选较好;羊场黄土为塔克拉玛干沙漠的近源风成堆积,粒度指标主要指示沙漠范围和源区气候干旱程度;粒度结果的详细分析及其与全球其他记录的对比表明,塔里木盆地南缘气候在8.5~3.6 ka B.P.较为湿润稳定,3.6 ka B.P.以来气候急剧变干并出现大幅度波动的千年尺度突变事件,与其他地区古气候记录有较好的一致性。塔里木盆地南缘8.5 ka B.P.以来的气候变化具有季风模式和千年尺度气候振荡的双重特点,可能同时受低纬度亚洲季风和北半球高纬度地区气候的影响;太阳辐射减弱引起的亚洲夏季风衰退可能导致了3.6 ka B.P.以来盆地的干旱化,同时,受太阳辐射驱动的北半球高纬度地区的气候变化,可能通过增加西风环流的强度及其波动幅度,进一步加剧了3.6 ka B.P.以来塔里木盆地南缘气候的干旱化和不稳定性。
- 粒度 /
- 干旱化 /
- 克里雅河 /
- 塔里木盆地
Abstract: Loess deposit can be formed at geological periods during sandstorm weather and its grain size characteristics can record the atmospheric circulation patterns and paleoenvironmental evolution information during the dust removal process. The Yangchang (YC) loess section in the village of Pulu is situated on the fifth terrace of a tributary of the Keriya River. YC loess is mainly composed of coarse silt and sand with high degree of sorting. The grain size analyses of YC loess indicate that the loess belongs to aeolian deposits from the Taklimakan Desert. Grain-size distribution of YC loess section is mainly controlled by the aridification of the source area, and thus, can indicate the drying process of the south edge of the Tarim Basin. Analysis of the grain-size distribution indicates that the southern margin of the Tarim Basin was relatively humid and stable during 8.5~3.6 ka, and during 3.6~0 ka the climate became dramatically arid with several millennial-scale events, which is in accordance with records from other study areas. We think that the climate at the southern margin of the Tarim Basin has features of both the Monsoon mode and millennial-scale climate oscillation, and might be controlled by both the low latitude Asian Monsoon and high latitude climate from Northern Hemisphere. We speculate that decrease of the ASM intensity in relation to weakening of the solar activity might have caused the aridification of the Tarim Basin since 3.6 ka. And the climate change in high latitude of the Northern Hemisphere might have further strengthened the drying trend and the climate instability since 3.6 ka through intensifying the Westerlies and its amplitude.
- grain size /
- aridification /
- Keriya river /
- Tarim Basin

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参考文献(0)

[1]	乔大伟, 王红亮. 基于粒度小波变换分析的四川盐源盆地沉积特征及其对盆地形成演化的指示意义 . 沉积学报, 2019, 37(4): 713-722. doi: 10.14027/j.issn.1000-0550.2018.165
[2]	王振, 邱思静, 陈一凡, 程璐, 吕红华, 郑祥民. 新疆柴窝堡盆地南缘晚新生代陆源沉积物岩石磁学特征及其古环境意义 . 沉积学报, 2017, 35(3): 516-526. doi: 10.14027/j.cnki.cjxb.2017.03.010
[3]	倪新锋. 塔里木盆地英买力—哈拉哈塘地区奥陶系碳酸盐岩岩溶型储层特征及成因 . 沉积学报, 2011, 29(3): 465-474.
[4]	舒强. 苏北盆地浅钻沉积物磁化率与粒度记录的末次冰消期以来的环境变化 . 沉积学报, 2009, 27(1): 111-117.
[5]	郭建军. 塔里木盆地寒武系烃源岩的研究新进展 . 沉积学报, 2008, 26(3): 518-524.
[6]	张翔. 塔里木盆地志留—泥盆纪岩相古地理及时空演化特征研究 . 沉积学报, 2008, 26(5): 762-771.
[7]	陈景山. 塔里木盆地奥陶系碳酸盐岩古岩溶作用与储层分布 . 沉积学报, 2007, 25(6): 858-868.
[8]	何莹鲍志东沈安江申银民李明和. 塔里木盆地牙哈—英买力地区寒武系—下奥陶统白云岩形成机理 . 沉积学报, 2006, 24(06): 806-818.
[9]	舒强. 苏北盆地XH1＃钻孔沉积物磁化率与粒度组分相关性变化特征及其意义研究 . 沉积学报, 2006, 24(2): 276-281.
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塔里木盆地南缘黄土粒度特征及其环境意义

doi: 10.14027/j.cnki.cjxb.2015.05.010

1. 兰州大学西部环境与气候变化研究院西部环境教育部重点实验室兰州 730000;

2. 安阳师范学院资源环境与旅游学院河南安阳 455002;

3. 中国科学院青海盐湖研究所西宁 810008;

4. 中国科学院青藏高原研究所大陆碰撞与高原隆升重点实验室北京 100085

基金项目: 国家自然科学基金(批准号:41301222)资助

作者简介:
滕晓华女 1988年出生博士第四纪地质学 E-mail: tengxh11@lzu.edu.cn

收稿日期: 2014-09-09
修回日期: 2015-01-20
刊出日期: 2015-10-10

中图分类号: P512.2

关键词:

粒度 /

干旱化 /

克里雅河 /

塔里木盆地

摘要: 黄土是地质时期沙尘天气形成的粉尘堆积物,其粒度特征记录了粉尘搬运过程中的古大气环流格局和古环境演化信息。本文对昆仑山北坡克里雅河支流的第5级阶地羊场黄土剖面进行了系统的粒度分析,结果表明,黄土粒度组成主要以粗粉砂和砂砾为主,分选较好;羊场黄土为塔克拉玛干沙漠的近源风成堆积,粒度指标主要指示沙漠范围和源区气候干旱程度;粒度结果的详细分析及其与全球其他记录的对比表明,塔里木盆地南缘气候在8.5~3.6 ka B.P.较为湿润稳定,3.6 ka B.P.以来气候急剧变干并出现大幅度波动的千年尺度突变事件,与其他地区古气候记录有较好的一致性。塔里木盆地南缘8.5 ka B.P.以来的气候变化具有季风模式和千年尺度气候振荡的双重特点,可能同时受低纬度亚洲季风和北半球高纬度地区气候的影响;太阳辐射减弱引起的亚洲夏季风衰退可能导致了3.6 ka B.P.以来盆地的干旱化,同时,受太阳辐射驱动的北半球高纬度地区的气候变化,可能通过增加西风环流的强度及其波动幅度,进一步加剧了3.6 ka B.P.以来塔里木盆地南缘气候的干旱化和不稳定性。

English Abstract

Grain-size Characteristics and Its Environmental Significance of Loess from Southern Tarim Basin

1. Key Laboratory of Western China's Environmental Systems, Ministry of Education of China, Lanzhou University, Lanzhou 730000;

2. School of Resource Environment and Tourism, Anyang Normal University, Anyang, Henan 455002;

3. Key Laboratory of Salt Lake Resources and Chemistry & Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008;

4. Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100085

Received Date: 2014-09-09
Rev Recd Date: 2015-01-20
Publish Date: 2015-10-10

Keywords:

Abstract: Loess deposit can be formed at geological periods during sandstorm weather and its grain size characteristics can record the atmospheric circulation patterns and paleoenvironmental evolution information during the dust removal process. The Yangchang (YC) loess section in the village of Pulu is situated on the fifth terrace of a tributary of the Keriya River. YC loess is mainly composed of coarse silt and sand with high degree of sorting. The grain size analyses of YC loess indicate that the loess belongs to aeolian deposits from the Taklimakan Desert. Grain-size distribution of YC loess section is mainly controlled by the aridification of the source area, and thus, can indicate the drying process of the south edge of the Tarim Basin. Analysis of the grain-size distribution indicates that the southern margin of the Tarim Basin was relatively humid and stable during 8.5~3.6 ka, and during 3.6~0 ka the climate became dramatically arid with several millennial-scale events, which is in accordance with records from other study areas. We think that the climate at the southern margin of the Tarim Basin has features of both the Monsoon mode and millennial-scale climate oscillation, and might be controlled by both the low latitude Asian Monsoon and high latitude climate from Northern Hemisphere. We speculate that decrease of the ASM intensity in relation to weakening of the solar activity might have caused the aridification of the Tarim Basin since 3.6 ka. And the climate change in high latitude of the Northern Hemisphere might have further strengthened the drying trend and the climate instability since 3.6 ka through intensifying the Westerlies and its amplitude.

滕晓华, 张志高, 韩文霞, 方亚会, 叶程程. 塔里木盆地南缘黄土粒度特征及其环境意义[J]. 沉积学报, 2015, 33(5): 941-950. doi: 10.14027/j.cnki.cjxb.2015.05.010

引用本文:

滕晓华, 张志高, 韩文霞, 方亚会, 叶程程. 塔里木盆地南缘黄土粒度特征及其环境意义[J]. 沉积学报, 2015, 33(5): 941-950. doi: 10.14027/j.cnki.cjxb.2015.05.010

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塔里木盆地南缘黄土粒度特征及其环境意义

doi: 10.14027/j.cnki.cjxb.2015.05.010

作者简介:
滕晓华女 1988年出生博士第四纪地质学 E-mail: tengxh11@lzu.edu.cn

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Grain-size Characteristics and Its Environmental Significance of Loess from Southern Tarim Basin

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目录

塔里木盆地南缘黄土粒度特征及其环境意义

doi: 10.14027/j.cnki.cjxb.2015.05.010

作者简介:
滕晓华女 1988年出生博士第四纪地质学 E-mail: tengxh11@lzu.edu.cn

English Abstract

Grain-size Characteristics and Its Environmental Significance of Loess from Southern Tarim Basin

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塔里木盆地南缘黄土粒度特征及其环境意义

doi: 10.14027/j.cnki.cjxb.2015.05.010

作者简介: 滕晓华 女 1988年出生 博士 第四纪地质学 E-mail: tengxh11@lzu.edu.cn

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Grain-size Characteristics and Its Environmental Significance of Loess from Southern Tarim Basin

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出版历程

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塔里木盆地南缘黄土粒度特征及其环境意义

doi: 10.14027/j.cnki.cjxb.2015.05.010

作者简介: 滕晓华 女 1988年出生 博士 第四纪地质学 E-mail: tengxh11@lzu.edu.cn

English Abstract

Grain-size Characteristics and Its Environmental Significance of Loess from Southern Tarim Basin

全文HTML

目录

友情链接

期刊在线

联系我们

作者简介:
滕晓华女 1988年出生博士第四纪地质学 E-mail: tengxh11@lzu.edu.cn

作者简介:
滕晓华女 1988年出生博士第四纪地质学 E-mail: tengxh11@lzu.edu.cn