About the Authors

Oliver T. Hogg

olgg@bas.ac.uk

Affiliation British Antarctic Survey, Natural Environmental Research Council, Cambridge, United Kingdom

David K. A. Barnes

Affiliation British Antarctic Survey, Natural Environmental Research Council, Cambridge, United Kingdom

Huw J. Griffiths

Affiliation British Antarctic Survey, Natural Environmental Research Council, Cambridge, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: OTH DKAB HJG. Performed the experiments: OTH DKAB HJG. Analyzed the data: OTH DKAB HJG. Contributed reagents/materials/analysis tools: OTH DKAB HJG. Wrote the paper: OTH DKAB HJG.