高苑,夏嘉,司徒嘉杰,谭靖千,王思波,王遥平

• 1:广东海洋大学化学与环境学院
• 2:南方海洋科学与工程广东省实验室(湛江)
• 3:广东海洋大学深圳研究院

摘要(Abstract)：

【目的】研究南海北部近海区域柱状沉积物多环芳烃组成及分布特征,讨论全新世早期火历史及气候变化。【方法】利用AMS ~(14)C定年技术结合有机地球化学分析手段对全新世早期南海北部近海沉积物柱状样品中多环芳烃(PAHs)分布特征进行研究。【结果】南海北部近海沉积物中16种PAHs总浓度范围为8.58～17.48 ng/g,在约10 000 a B.P.的全新世早期呈现先增大后减小波动变化,与TOC变化基本同步。【结论】沉积物中多环芳烃主要来源于南海北部近海陆源区域自然火灾产生的焦炭残渣。PAHs的沉积浓度变化间接指示了全新世早期东亚季风的强度变化。

关键词(KeyWords)： 南海北部;柱状沉积物;多环芳烃;全新世;火历史

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(41802150);; 南方海洋科学与工程广东省实验室(湛江)项目(ZJW-2019-08);; 广东海洋大学“创新强校”资助项目(Q18301);广东海洋大学“冲一流”项目(231419029);广东海洋大学博士科研启动项目(R19004)

作者(Author): 高苑,夏嘉,司徒嘉杰,谭靖千,王思波,王遥平

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