1. Department of Geography Durham University Durham UK
2. School of Environmental Sciences University of East Anglia Norwich UK
3. MARUM—Center for Marine Environmental Sciences University of Bremen Bremen Germany
4. Alfred Wegener Institute Helmholtz Center for Polar and Marine Research Bremerhaven Germany
5. Department of Geological and Environmental Sciences Appalachian State University Boone NC USA
6. Department of Geology University of Otago Dunedin New Zealand