Overall, Arctic sea ice extent remained lower than average in January. However, in the Bering Sea, ice extent was much greater than normal. The heavy ice cover caused problems for [...]
Click for high-resolution image. —Credit: National Snow and Ice Data Center About these images Sea ice data updated daily, with one-day lag. Orange line in extent image (left) and gray [...]
Arctic sea ice extent remained unusually low through December, especially in the Barents and Kara seas. In sharp contrast to the past two winters, the winter of 2011 has so [...]