Dinosterol 未D values in stratified tropical lakes (Cameroon) are affected by eutrophication
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- 作者：Valé ; rie F. Schwaba ; vf.schwab@uni-jena.de" class="auth_mail" title="E-mail the corresponding author ; Yannick Garcinb ; Dirk Sachseb ; c ; Gilbert Todoud ; Olivier Sé ; né ; e ; Jean-Michel Onanae ; Gaston Achoundonge ; Gerd Gleixnera
- 关键词：Hydrogen ; Isotope ; Fractionation ; Biomarkers ; Dinosterol ; Lake ; Redox potential ; Paleoenvironmental ; Proxy
- 刊名：Organic Geochemistry
- 出版年：2015
- 出版时间：November 2015
- 年：2015
- 卷：88
- 期：Complete
- 页码：35-49
- 全文大小：2101 K
文摘
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Sedimentary lipids recorded Eh at oxic–anoxic boundary.
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Low Eh favored lipid preservation and reduced isomers in sediments.
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Decreasing Eh correlated with D enrichment of sedimentary dinosterol in water.
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Dinosterol 未D hydrological proxy appeared to be affected by lake trophic status.
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Molecular and dinosterol 未D studies might give more accurate reconstruction.