1. Department of Archaeology and Centre for Past Climate ChangeUniversity of Reading Reading UK
2. Institute of Coastal ResearchHelmholtz‐Zentrum Geesthacht Geesthacht Germany
3. Department of Earth SciencesUniversity of Cambridge Cambridge UK
4. Institute of Global Environmental ChangeXi'an Jiaotong University Xi'an China
5. Department of Earth SciencesUniversity of Minnesota Minneapolis Minnesota USA