Calibrating stable carbon isotopes in planktonic foraminifera off the NW Iberian margin: nutrient approach
2019
Salgueiro, Emilia | Castro, Carmen G. | Rufino, Marta M. | Greoneveld, J. | Granda Grandoso, Francisco de la | Villacieros-Robineau, Nicolás | Alonso Pérez, Fernando | Voelker, Antje H. L. | González-Álvarez, R. | Abrantes, Fátima
42th CIESM Congress, Cascais, 7-11 October 2019
Afficher plus [+] Moins [-]The interpretation of the carbon isotopic (δ C) signal of planktonic foraminifera in sediment records to reconstruct past nutrient availability is complex and poorly understood, especially in coastal upwelling areas, because the isotopic fractions of carbon incorporated into the shells may be derived from different sources and affected by different processes. To minimize the existing uncertainties, we measured δ C from various species of planktonic foraminifera from core-top sediments and plankton net samples collected off the NW Iberian Margin and compared the results directly with water column nutrient content for the purpose of calibration
Afficher plus [+] Moins [-]Peer reviewed
Afficher plus [+] Moins [-]Mots clés AGROVOC
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