1. Palaeoenvironmental Laboratory University of Southampton (PLUS); Highfields Campus; Southampton; SO17 1BJ; UK
2. Institute of Geography and Earth Sciences; Aberystwyth University; Aberystwyth; SY23 3DB; UK
3. School of Environmental Sciences, Roxby Building; University of Liverpool; Liverpool; L69 7ZT; UK
4. Department of Geography; Royal Holloway University of London; Egham; Surrey; TW20 0EX; UK
5. School of Geography and Environment; University of Oxford; Oxford; OX1 3QY; UK
6. Department of Geography; Durham University; Science Laboratories, South Road; Durham; DH1 3LE; UK
7. Department of Geography; Loughborough University; Leicestershire; LE12 8PA; UK
8. Geography, College of Life and Environmental Sciences; University of Exeter; EX4 4RJ; UK
9. School of Geography, Earth and Environmental Sciences; University of Plymouth; Portland Square, Drake Circus; Plymouth; Devon; PL4 8AA; UK