Opal and barium records of six sediment cores for the last 400 ka, supplement to: Bonn, Wolfgang J; Gingele, Franz; Grobe, Hannes; Mackensen, Andreas; Fütterer, Dieter K (1998): Palaeoproductivity at the Antarctic continental margin: opal and barium records for the last 400 ka. Palaeogeography, Palaeoclimatology, Palaeoecology, 139(3-4), 195-211

Wolfgang J Bonn, Franz Gingele, Hannes Grobe, Andreas Mackensen & Dieter K Fütterer
Records of biogenic opal and barium were measured in sediment cores at the Antarctic continental margin in the area of the Weddell, Lazarev and Cosmonaut seas. These records provide a qualitative and quantitative tool to estimate changes in palaeoproductivity over the last 400 ka. The stratigraphy of the investigated cores is calibrated to a lithostratigraphy, adjusted to a stable isotope record from the eastern Weddell Sea, which is supported by a Th-dating method. We present...
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