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Animation; The Arctic's Record Breaking Ice Melt

Published on Sep 17, 2012 by NOAAVisualizations




The sea ice in the Arctic Ocean dropped
below the previous all-time record set in 2007. This year also marks
the first time that there has been less than 4 million square kilometers
(1.54 million square miles) of sea ice since satellite observations
began in 1979. This animation shows the 2012 time-series of ice extent
using sea ice concentration data from the DMSP SSMI/S satellite sensor.
The black area represents the daily average (median) sea ice extent
over the 1979-2000 time period. Layered over top of that are the daily
satellite measurements from January 1 -- September 14, 2012. A rapid
melt begins in July, whereby the 2012 ice extents fall far below the
historical average. The National Snow and Ice Data Center
(www.nsidc.org) will confirm the final minimum ice extent data and area
once the melt stabilizes, usually in mid-September.http://www.washingtonpost.com/blogs/capital-weather-gang/post/arctic-sea-ice-extent-reaches-record-shattering-minimum/2012/09/19/fe373130-027d-11e2-8102-ebee9c66e190_blog.html

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Added: Sep-20-2012 Occurred On: Sep-18-2012
By: bellava
In:
World News, Science and Technology, Nature
Tags: , Arctic, Record, Breaking, Ice, Melt,
Marked as: approved
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