Articles | Volume 14, issue 7
Clim. Past, 14, 1015–1033, 2018

Special issue: Publications by EGU Medallists

Clim. Past, 14, 1015–1033, 2018

Research article 11 Jul 2018

Research article | 11 Jul 2018

Paleoceanography and ice sheet variability offshore Wilkes Land, Antarctica – Part 2: Insights from Oligocene–Miocene dinoflagellate cyst assemblages

Peter K. Bijl et al.

Data sets

Palynological counts from the Oligocene-Miocene of IODP Site 318-U1356, Wilkes Land Margin, Antarctica P. K. Bijl, A. J. P. Houben, J. D. Hartmann, J. Pross, A. Salabarnada, C. Escutia, and F. Sangiorgi

Short summary
We document Southern Ocean surface ocean conditions and changes therein during the Oligocene and Miocene (34–10 Myr ago). We infer profound long-term and short-term changes in ice-proximal oceanographic conditions: sea surface temperature, nutrient conditions and sea ice. Our results point to warm-temperate, oligotrophic, ice-proximal oceanographic conditions. These distinct oceanographic conditions may explain the high amplitude in inferred Oligocene–Miocene Antarctic ice volume changes.