Journal cover Journal topic
The Cryosphere An interactive open-access journal of the European Geosciences Union
The Cryosphere, 10, 2027-2041, 2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
14 Sep 2016
Sea-ice indicators of polar bear habitat
Harry L. Stern and Kristin L. Laidre
Interactive discussionStatus: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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RC1: 'Review of Sea-ice indicators of polar bear habitat', Anonymous Referee #1, 02 Jun 2016 Printer-friendly Version 
RC2: 'review of "sea-ice habitat of polar bear habitat"', Anonymous Referee #2, 23 Jun 2016 Printer-friendly Version 
AC1: 'Authors' responses to comments from reviewers', Harry Stern, 17 Aug 2016 Printer-friendly Version Supplement 
Peer review completion
AR: Author's response | RR: Referee report | ED: Editor decision
AR by Harry Stern on behalf of the Authors (18 Aug 2016)  Author's response  Manuscript
ED: Publish as is (24 Aug 2016) by Christian Haas  
CC BY 4.0
Publications Copernicus
Short summary
Polar bears, found in 19 distinct regions of the Arctic, depend on sea ice as a platform for hunting. Using satellite data of sea ice for the period 1979–2014, we found that the date of sea-ice retreat in spring is arriving weeks earlier, and the date of sea-ice advance in fall is arriving weeks later, in all 19 regions. We calculated several other measures of sea ice, which all show declines. These measures were designed to be useful for management agencies to assess polar bear habitat.
Polar bears, found in 19 distinct regions of the Arctic, depend on sea ice as a platform for...