Marcus P.S. Badger (a,b,c), Joy S. Singarayer (d), Paul J. Valdes (a,b,c) & Richard D. Pancost (b,c)
(a) Bristol Research Initiative for the Dynamic Global Environment, School of Geography, University of Bristol, University Road, Bristol BS8 1SS UK. E-mail: marcus.badger@bristol.ac.uk
(b) Organic Geochemistry Unit, School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, UK.
(c) The Cabot Institute, University of Bristol, UK.
(d) Department of Meteorology, University of Reading, Earley Gate, PO Box 243, Reading RG6 6BB, UK.