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海洋科学  2008 

胶州湾潮间带沉积物有机碳和叶绿素的埋藏特征

, PP. 40-45

Keywords: 胶州湾,潮间带,有机碳,叶绿素

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Abstract:

于2004年9月,在胶州湾潮间带河套和红石崖两个区域(分别代表近河和近海区域)分别采集沉积物柱状样品,并分析了样品中有机碳和叶绿素含量。结果表明:(1)胶州湾潮间带沉积物有机碳和总氮质量比分别为1.0~3.0g/kg和0.1~0.3g/kg,随沉积物埋藏深度表现为波动变化,但无明显规律性;(2)胶州湾潮间带沉积物从表层到底层叶绿素a质量比的总体趋势是逐渐降低最后趋于稳定,叶绿素a质量比变化为0.3~5.2g/kg;(3)胶州湾潮间带沉积物中的有机质应属于混源有机质。本实验结果对探讨胶州湾潮间带近河和近海区域沉积物中有机碳和叶绿素的埋藏和降解规律有重要意义。

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