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| 南海沉积物沉积有机态Fe与Fe限制的分析 | |
| 引用本文： | 卢东伟,陈绍勇,龙爱民,党爱翠,程远月.南海沉积物沉积有机态Fe与Fe限制的分析[J].海洋通报,2011,30(3):302-309. |
| 作者姓名： | 卢东伟 陈绍勇 龙爱民 党爱翠 程远月 |
| 作者单位： | 1. 中国科学院南海海洋研究所LED实验室,广东广州510301;中国科学院研究生院,北京,100039 2. 中国科学院广州地球化学研究所,中国科学院边缘海地质重点实验室,广东广州510640 3. 中国科学院南海海洋研究所LED实验室,广东广州,510301 |
| 基金项目： | 国家自然科学基金(40676049)；大洋协会项目(DYXM115-02-1-08）；国家科技基础专项（2008FY110100） |
| 摘 要： | Fe限制的研究对于探讨全球CO2变化及解决"温室效应"具有重要的意义.南海兼具开阔大洋和边缘海的特征,其古生产力的演变对区域及全球气候变化的研究具有重要作用.本文采用连续提取法对两个南海柱样沉积物中的Fe,Ba,Al等主要金属元素进行了形态分析,并将两个站位沉积物中沉积有机态Fe与Al/Ti比值、TOC、生源Ba等古生... |
| 关 键 词： | 古生产力 连续提取法 沉积有机态Fe Fe限制 |
Analysis of the organic matter phase iron in sediments and iron-limitation in the South China Sea |
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| LU Dong-wei,CHEN Shao-yong,LONG Ai-min,DANG Ai-cui and CHENG Yuan-yue.Analysis of the organic matter phase iron in sediments and iron-limitation in the South China Sea[J].Marine Science Bulletin,2011,30(3):302-309. | |
| Authors: | LU Dong-wei CHEN Shao-yong LONG Ai-min DANG Ai-cui and CHENG Yuan-yue |
| Institution: | 1. Key laboratory of Tropical Marine Environmental Dynamics of Chinese Academy of Sciences , South China Sea Institute of Oceanology, Guangzhou 510301, China; 2.Graduate school, Chinese Academy of Sciences, Beijing 100039, China;Key Laboratory of Marginal Sea Geology of South China Sea Institute of Oceanology, Geochemistry Institute of Guangzhou, Chinese Academy of Sciences , Guangzhou 510640 , China;;Key laboratory of Tropical Marine Environmental Dynamics of Chinese Academy of Sciences , South China Sea Institute of Oceanology, Guangzhou 510301, China;1. Key laboratory of Tropical Marine Environmental Dynamics of Chinese Academy of Sciences , South China Sea Institute of Oceanology, Guangzhou 510301, China; 2.Graduate school, Chinese Academy of Sciences, Beijing 100039, China;Key laboratory of Tropical Marine Environmental Dynamics of Chinese Academy of Sciences , South China Sea Institute of Oceanology, Guangzhou 510301, China |
| Abstract: | Paleo-production is of great importance for global CO2-variance and greenhouse effect investigation. The South China Sea has the combined characteristics of open sea and marginal sea, and the evolution of its paleo-production is important for regional and global climate change. In this paper, the species of major metal elements including Fe, Ba and Al in two sediment cores from South China Sea were measured after sequential extraction, and the relationships between the organic matter phase of Fe and Al/Ti, TOC, biogenic Ba were analyzed. The results indicated that the first speciation of metal elements in sediments was residua, and there was a positive relationship between the organic matter phase of Fe and paleo-productivity. The different relationships between the organic matter phase of Fe and paleo-productivity in two studied sediment cores indicated that paleo-productivity might be iron-limited in the studied zones in the South China Sea. |
| Keywords: | paleo-production sequential extraction procedure organic matter phase of iron in sediment iron-limitation |
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