张晓东,翟世奎,许淑梅,张爱滨,卢海建

• 1:中国海洋大学海洋地球科学学院
• 2:中国海洋大学海洋地球科学学院
• 3:中国海洋大学海洋地球科学学院
• 4:中国海洋大学海洋地球科学学院

摘要(Abstract)：

对长江口外缺氧区及其邻近海域表层沉积物和沉积物岩芯样品的粒度和元素(主要包括氧化还原敏感性元素简称RSE,和典型陆源碎屑元素)进行了分析,并对元素的“粒控效应”进行了深入研究。结果表明,在近岸底层水溶解氧浓度正常海区沉积物中,元素(包括典型陆源碎屑元素和RSE)的分布显示出明显的“粒控效应”,在缺氧区沉积物中,RSE与粒度之间的相关性较差,其分布不受“粒控效应”的制约,而主要受氧化还原环境的影响。另外缺氧区缺氧程度的不同会导致不同的RSE的富集。

关键词(KeyWords)： 长江口;缺氧区;粒控效应;氧化还原敏感性元素

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展规划项目计划(2002CB412409)资助

作者(Author): 张晓东,翟世奎,许淑梅,张爱滨,卢海建

DOI: 10.16441/j.cnki.hdxb.2005.05.034

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