Articles | Volume 14, issue 9
Clim. Past, 14, 1275–1297, 2018
https://doi.org/10.5194/cp-14-1275-2018
Clim. Past, 14, 1275–1297, 2018
https://doi.org/10.5194/cp-14-1275-2018

Research article 04 Sep 2018

Research article | 04 Sep 2018

Paleoceanography and ice sheet variability offshore Wilkes Land, Antarctica – Part 3: Insights from Oligocene–Miocene TEX86-based sea surface temperature reconstructions

Julian D. Hartman et al.

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Short summary
We reconstructed sea surface temperatures for the Oligocene and Miocene periods (34–11 Ma) based on archaeal lipids from a site close to the Wilkes Land coast, Antarctica. Our record suggests generally warm to temperate surface waters: on average 17 °C. Based on the lithology, glacial and interglacial temperatures could be distinguished, showing an average 3 °C offset. The long-term temperature trend resembles the benthic δ18O stack, which may have implications for ice volume reconstructions.