Arctic Sea Ice 2011 Preliminary Minimum
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Uploaded by Nasawhatonearth on Sep 15, 2011
Watch as sea ice in the Arctic ocean declines from its near-maximum state in early spring 2011 through the summer and up until Sept. 9, 2011, in this visualization of data collected by the AMSR-E instrument on NASA's Aqua satellite. Sea ice goes through this shrink-and-swell rhythm every year, but since consistent satellite observations began in 1979, both the annual minimum at the end of summer and the annual maximum at the end of winter continue to decline in area and thickness. Consistent with rising temperatures globally and specifically in the Arctic, climate scientists are concerned with this trend both as an indicator of climate change and as a feedback mechanism. As the white, highly reflective ice disappears, darker ocean waters appear. This darker surface absorbs more solar radiation and acts as a positive feedback to the warming that is already occurring and causing the change in the first place.
Visualization courtesy of NASA's Scientific Visualization Studio, Goddard Space Flight Center.
More sea ice imagery available here:
http://www.flickr.com/photos/gsfc/sets/72157627677377182/
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the end of the world is coming!! God forgive us in our sins.. All the revelations in the Holy Book are true and accurate..
ultimategnr2011 5 months ago
scaryyyyyyyyyyyy!!!
ultimategnr2011 5 months ago