Sediment Core Analysis (image) Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research Share Print E-Mail Caption This image shows scientists analyzing a sediment core. Credit Thomas Ronge, Alfred-Wegener-Institut Usage Restrictions Free for usage in connection with reports about the AWI press release: How variable are ocean temperatures? For all other usage an additional permission has to be obtained from the AWI's press office (Email: email@example.com) Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.