长江口及其邻近海域悬浮体地球化学组成及其影响因素

邵和宾; 范德江; 张晶; 李清

长江口及其邻近海域悬浮体地球化学组成及其影响因素

1.
中国海洋大学海洋地球科学学院, 海底科学与探测技术教育部重点实验室, 山东青岛 266100;国土资源部青岛海洋地质研究所, 海洋油气与环境地质国土资源部重点实验室, 山东青岛 266071;国土资源部青岛海洋地质研究所, 山东青岛 266071
2.
中国海洋大学海洋地球科学学院, 海底科学与探测技术教育部重点实验室, 山东青岛 266100
3.
国土资源部青岛海洋地质研究所, 海洋油气与环境地质国土资源部重点实验室, 山东青岛 266071;国土资源部青岛海洋地质研究所, 山东青岛 266071

基金项目: 国家重大基础研究发展计划项目（2010CB951202）；国家自然科学基金项目（41030856；40976020）。

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出版历程
- 收稿日期: 2012-09-02

The study on an element composition and influencing factors of total suspended matter in the Changjiang Estuary and its adjacent areas

1.
Key Laboratory of Submarine Geosciences and Prospecting Technology of Ministry of Education, China College of Marine Geosciences, Ocean University of China, Qingdao 266100, China;Marine Oil and Gas and Environment Geology Key Laboratory of the Ministry of Land and Natural Resources, Qingdao 266071, China;Qingdao Institute of Marine Geology, Ministry of Land and Natural Resources, Qingdao 266071, China
2.
Key Laboratory of Submarine Geosciences and Prospecting Technology of Ministry of Education, China College of Marine Geosciences, Ocean University of China, Qingdao 266100, China
3.
Marine Oil and Gas and Environment Geology Key Laboratory of the Ministry of Land and Natural Resources, Qingdao 266071, China;Qingdao Institute of Marine Geology, Ministry of Land and Natural Resources, Qingdao 266071, China

摘要

摘要: 基于2010年10月国家自然科学基金委东海调查公共航次所获得的数据和悬浮体样品，使用ICP-AES、ICP-MS仪器对悬浮体中的主、微量元素含量进行了测定，对悬浮体中元素组成、空间分布及其影响因素进行了研究，结果表明：长江口及邻近海域悬浮体中主量元素铝、镁、铁、钙等含量为1%~30%，含量以铝为主；微量元素镉、铬、钴、铜、锰、镍、铅、钒等含量为n×10^-6~n×10^-9，以锰最高；铝与铁、锰以及大部分的微量元素都有良好的相关性，指示这些主量元素以陆源输入为主和微量元素被细颗粒物质吸附为主的特征。水团对长江口及邻近海域颗粒态地球化学组分的空间分布具有重要的影响，其中铝、铁及铬、钴、铜、锰、镍、钒等元素受水团的制约更加显著。
- 长江口 /
- 悬浮体 /
- 元素组成 /
- 地球化学 /
- 水团
Abstract: Water samples and Conductance, Temperature, Depth (CTD) data have been collected through the Public Cruise of the National Research Foundation Committee, in October, 2010.After filtering of the water samples, the total suspended matter (TSM) has been obtained.The concentration of the main and trace elements of TSM has been tested using ICP-AES and ICP-MS, meanwhile an elementary composition, a spacial distribution as well as their influencing factors had also been studied.The results show that the value of main elements (aluminium, magnesium, ion, calcium) concentration between 1% and 30% and aluminium is the highest; the values of the trace elements(cadmium, chromium, cobalt, copper, manganese, nickel, lead, vanadium) concentration are between n×10^-6 and n×10^-9 and manganese is the highest.The good relationships among aluminium, ion, magnesium and most trace elements indicate that the main elements are terrigenous and the trace elements are adsorbed on the land-based suspended particles.The water masses play an important role in the elementary composition of TSM, especially aluminium, ion and chromium, cobalt, copper, manganese, nickel, vanadium.
- Changjiang Estuary /
- suspended matter /
- element composition /
- geochemistry /
- water mass

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