| 近2ka以来东海内陆架泥质区高分辨率的生物硅记录及其古生产力意义 |
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| 引用本文： | 刘升发,石学法,刘焱光,翟滨,吴永华.近2ka以来东海内陆架泥质区高分辨率的生物硅记录及其古生产力意义[J].沉积学报,2011,29(2):321-327. |
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| 作者姓名： | 刘升发 石学法 刘焱光 翟滨 吴永华 |
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| 作者单位： | 国家海洋局第一海洋研究所 山东青岛 266061 |
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| 基金项目： | 我国近海海洋综合调查与评价专项(编号:908-ZC-I-05和908-02-02-05); 海洋公益性行业专项(编号:200805063); 国家自然科学基金重点项目(批准号:40431002)资助 |
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| 摘 要： | 通过对位于东海内陆架泥质区中部的MZ02孔进行粒度和生物硅分析,AMS14C测年,获得了粒度和生物硅随时间变化的高分辨率曲线.结果表明,近2 ka以来研究区沉积环境稳定,以沿岸流控制的浅海沉积为主;沉积物中生物硅含量<1.5%,属于低含量海区,主要受低硅质骨骼供给量、高溶解作用以及陆源物质冲淡作用的影响.生物硅含量及其...
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| 关 键 词： | 生物硅 古生产力 古气候 2ka以来 泥质区 东海内陆架 |
| 收稿时间： | 1900-01-01 |
High-Resolution Record of Biogenic Silica and Its Paleoproductivity Implication in Mud Area, East China Sea Inner Shelf over the Last 2000 Years BP |
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| LIU Sheng-fa,SHI Xue-fa,LIU Yan-guang,ZHAI Bin,WU Yong-hua.High-Resolution Record of Biogenic Silica and Its Paleoproductivity Implication in Mud Area, East China Sea Inner Shelf over the Last 2000 Years BP[J].Acta Sedimentologica Sinica,2011,29(2):321-327. |
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| Authors: | LIU Sheng-fa SHI Xue-fa LIU Yan-guang ZHAI Bin WU Yong-hua |
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| Institution: | First Institute of Oceanography, State Oceanic Administration, Qingdao Shandong 266061 |
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| Abstract: | High-resolution grain size,biogenic silica and its mass accumulation rate(MAR) records are gained by AMS14C dating and analyses of grain size and biogenic silica in Core MZ02 from the muddy area on the inner shelf of the East China Sea.The grain size results reflect a low-energy shallow sea shelf depositional environment dominated by the coastal currents.The biogenic silica content in Core MZ02 is less than 1.5%,mainly controlled by the low supply of biogenic silica remains,high silica dissolution and terri... |
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| Keywords: | biogenic silica paleoproductivity paleoclimate 2ka BP muddy area inner shelf of the East China Sea |
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