Start Date: End Date: Published Date Data Date
Data acquired September 1, 2010 - March 31, 2011 720 x 480 PNG
Sea ice naturally grows and melts each year, but the process has been more extreme in recent years.
NASA Earth Observatory image by Jesse Allen, using data from the National Snow and Ice Data Center (NSIDC). Caption by Mike Carlowicz.
Published May 3, 2011 Data acquired March 1 - 31, 2011