National Ice Center Marks 2009 Arctic Sea Ice Minimum

Sea ice minimum

NIC image
2009 sea-ice minimum extent


The National/Naval Ice Center (NIC) has concluded that the 2009 sea ice minimum occurred between Sept. 16 and 23.

According to available NIC data and analysis, the lowest 2009 extent was estimated to have covered 5.84 million square kilometers.

Although not as low as 2007 and 2008, NIC’s calculations identify 2009 as being the third-lowest sea ice minimum since 1979. NIC is a joint interagency organization of the U.S. Navy, National Oceanic and Atmospheric Administration (NOAA), and U.S. Coast Guard.

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