September Sea Ice Extent
http://www.ncdc.noaa.gov/bams-state-of-the-climate/2009-time-series/arctic_seaice

NOAA


This graphic represents the decline in Arctic sea ice extent from the 1950's to 2010 during the month of September. The image has three graphed and superimposed datasets, demonstrating the overall decline in Arctic sea ice extent over a 60-year time scale.


Subject: Geoscience:Atmospheric Science:Climate Change:Recent climate data, Environmental Science:Global Change and Climate:Climate Change:History and evolution of Earth's climate, Impacts of climate change, Recent climate data, Geoscience:Atmospheric Science:Climate Change:Impacts of climate change, History and evolution of Earth's climate, Geoscience:Atmospheric Science:Climatology :Regional climates
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