Ice Watch is an open source forum for sharing shipborne Arctic sea ice observation data. It is coordinated by the International Arctic Research Center, with the Geographic Information Network of Alaska, providing software development, and overseen by the CliC Sea Ice Working Group. Ice Watch is home of the Arctic Shipborne Sea Ice Standardization Tool (ASSIST) Data Network. More on the IceWatch website at: http://www.iarc.uaf.edu/en/icewatch. Read the IceWatch Brochure at: http://www.climate-cryosphere.org/media-gallery/881-icewatch-assist