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Published on Mar 26, 2010
This animation by Miho Aoki (University of Alaska Fairbanks) shows the relationship between web cam, town layout, satellite images, and coastal RADAR in Barrow, Alaska, in 2007. The RADAR shows ice drifting to the North and a dislodging (break-out) event that formed an edge in April. Ice attaching to this edge later in April and May (not shown in this animation) is easily dislodged later during storms. As a consequence, the same ice edge can be seen two months later, in the satellite image taken during the period of coastal ice break-up. Note that the webcam image is of May (sea ice covers the Chukchi Sea, is snow-covered and white), the satellite image is from early June (blue patches are meltwater ponds from melting snow at the surface), and the RADAR animation is of March/April. Up-to-date measurements are available online. This animation is part of the DVD accompanying the book "Field Techniques for Sea Ice Research" by Eicken et al. (eds), 2010, and is disseminated here with permission.