Johnson, Kevin M.
Hofmann, Gretchen E.
Funding for this research was provided by:
Office of Polar Programs (1246202)
Article History
Received: 15 May 2017
Accepted: 5 October 2017
First Online: 23 October 2017
Ethics approval and consent to participate
: Not applicable
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.