About the Authors

B. D. Spracklen

b10spracklen@gmail.com

Affiliations School of Earth and Environment, University of Leeds, Leeds, LS2 9JT United Kingdom, The Rowans, Thomastown, Huntly, AB54 6AJ United Kingdom

M. Kalamandeen

Affiliation School of Geography, University of Leeds, Leeds, LS2 9JT United Kingdom

D. Galbraith

Affiliation School of Geography, University of Leeds, Leeds, LS2 9JT United Kingdom

E. Gloor

Affiliation School of Geography, University of Leeds, Leeds, LS2 9JT United Kingdom

D. V. Spracklen

Affiliation School of Earth and Environment, University of Leeds, Leeds, LS2 9JT United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DVS BDS. Performed the experiments: BDS. Analyzed the data: DVS BDS. Contributed reagents/materials/analysis tools: BDS. Wrote the paper: DVS BDS MK DG EG.