Effects of current regimes and oxygenation on particulate matter preservation on the Namibian shelf: Insights from amino acid biogeochemistry
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- 作者：Birgit Nagela ; Birgit Gayeb ; ; Niko Lahajnarb ; Ulrich Struckc ; Kay-Christian Emeisa ; b
- 关键词：Benguela upwelling system ; Suspended matter ; Surface sediments ; Amino acid biogeochemistry ; Nitrogen isotopes ; Particulate matter cycling
- 刊名：Marine Chemistry
- 出版年：2016
- 出版时间：20 November 2016
- 年：2016
- 卷：186
- 期：Complete
- 页码：121-132
- 全文大小：1025 K
文摘
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Results of a PCA show distinct amino acid imprint of sinking and suspended matter.
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Early diagenesis causes a ~ 2.5‰ increase in δ15N from sea surface to the sea floor.
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Shelf break upwelling replenishes nitrate pool.
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Shelf break upwelling results in ascending suspended matter.