| 青藏高原南部枪勇错冰前湖泊沉积记录的近千年来冰川与气候变化 |
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| 引用本文： | 李久乐,徐柏青,林树标,高少鹏.青藏高原南部枪勇错冰前湖泊沉积记录的近千年来冰川与气候变化[J].地球科学与环境学报,2011,33(4):402-411. |
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| 作者姓名： | 李久乐 徐柏青 林树标 高少鹏 |
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| 作者单位： | 1. 中国科学院青藏高原研究所青藏高原环境变化与地表过程重点实验室,北京100085;中国科学院研究生院,北京100049
2. 中国科学院青藏高原研究所青藏高原环境变化与地表过程重点实验室,北京,100085 |
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| 基金项目： | 国家重点基础研究发展计划项目(2009CB723901); 中国科学院重点基础研究发展计划项目(KZCX2-YW-146;KZCX2-YW-Q09-03) |
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| 摘 要： | 以钻取自青藏高原南部大枪勇错冰前湖中的1.06 m湖芯为研究对象,对沉积物样品进行了粒度、磁化率、元素含量、碳酸盐和总有机碳含量等多项指标的分析测定；在明确了沉积物来源的基础上,分析讨论了各指标变化的影响因素及其具体气候环境指示意义；结合沉积序列放射性同位素定年结果,对湖芯中各指标进行了综合对比分析,恢复了青藏高原南部...
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| 关 键 词： | 气候变化 融化强度 冰川 沉积 湖芯 冰前湖泊 枪勇错 青藏高原 |
Glacier and Climate Changes over the Past Millennium Recorded by Proglacial Sediment Sequence from Qiangyong Lake, Southern Tibetan Plateau |
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| LI Jiu-le
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XU Bai-qing
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LIN Shu-biao
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GAO Shao-peng.Glacier and Climate Changes over the Past Millennium Recorded by Proglacial Sediment Sequence from Qiangyong Lake, Southern Tibetan Plateau[J].Journal of Earth Sciences and Environment,2011,33(4):402-411. |
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| Authors: | LI Jiu-le XU Bai-qing LIN Shu-biao GAO Shao-peng |
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| Institution: | LI Jiu-le1,2,XU Bai-qing1,LIN Shu-biao1,GAO Shao-peng1(1.Key Laboratory of Tibetan Environment Changes and Land Surface Processes,Institute of Tibetan Plateau Research,Chinese Academy of Sciences,Beijing 100085,China,2.Graduate University of Chinese Academy of Sciences,Beijing 100049,China) |
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| Abstract: | The 1.06 m lacustrine core,which was from the proglacial Da Qiangyong Lake,southern Tibetan Plateau,was investigated;multi-indicators including grain size,magnetic susceptibility,element content,carbonate content and total organic carbon content in the sediment sample were analyzed.Based on the understanding of sediment source,the factors on these indicators and their significance on climate and environment were discussed.Associated with the radioisotope dating result,the above indicators were comprehensive... |
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| Keywords: | climate change melting strength glacier sediment lacustrine core proglacial lake Qiangyong Lake Tibetan Plateau |
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