Paul Markwick

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Copyright and Moral Rights for the articles on this site are retained by the individual authors and/or other copyright owners. For more information on Open Research Online's data policy on reuse of materials please consult the policies page. Abstract The TEX 86 proxy, based on the distribution of marine isoprenoidal glycerol dialkyl glycerol tetraether(More)
Past warm periods provide an opportunity to evaluate climate models under extreme forcing scenarios, in particular high (>800 ppmv) atmospheric CO 2 concentrations. Although a post-hoc intercomparison of Eocene (∼50 million years ago, Ma) climate model simulations and geological data has been carried out previously, models of past high-CO 2 periods have(More)
The Cenozoic planktonic foraminifera (PF) (calcareous zooplankton) have arguably the most detailed fossil record of any group. The quality of this record allows models of environmental controls on macroecology, developed for Recent assemblages, to be tested on intervals with profoundly different climatic conditions. These analyses shed light on the role of(More)
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