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Antarctica is Cooling/Gaining Ice

Antarctica is losing land based ice and increasing sea based ice.

According to the Gravity satellite measurements (GRACE) Antarctica is losing ice mass. However it is gaining ice extent.

 

Global warming is evaporating more moisture into the atmosphere which causes more rain. More rain is freshening the surface water enabling more sea surface ice to form. This in turn enables the sea ice extent to increase.

Some scientists predicted this phenomena decades ago saying that as the Earth warms we will see an increase in the Antarctic sea ice extent and a decrease in the Arctic sea ice extent.

Additional changes in the stratospheric ozone layer are also considered to be a factor:

And there is evidence that the rate of change is increasing.

Antarctic Measurements

Antarctic Ice Mass Loss [manual update]

http://www.nasa.gov/images/content/416685main_20100108_Climate_1.jpg

Source: http://www.nasa.gov/topics/earth/features/20100108_Is_Antarctica_Melting.html

Antarctic Ice Extent Increase [updates annually]

http://nsidc.org/data/seaice_index/images/s_plot_hires.png

Source: http://nsidc.org/data/seaice_index/

Antarctic Ice Extent (updates daily)

http://nsidc.org/data/seaice_index/images/daily_images/S_stddev_timeseries.png

Source: http://nsidc.org/data/seaice_index/

Sea Ice Concentration Anomalies [updates monthly]

Arctic Extent

Source: http://nsidc.org/data/seaice_index/

Antarctic Composite Satellite Images [updates daily]

http://amrc.ssec.wisc.edu/~amrc/GOPHER.GIF

20 km image, 10 km image, 5 km image

Source: http://amrc.ssec.wisc.edu/realcomp.html

Latest mid-resolution (10 kilometer) Synoptic Chart with synoptic observations, ship and buoy observations, GFS model analysis of mean sea level pressure (isobars) over our Antarctic composite image [updates daily]

http://amrc.ssec.wisc.edu/~amrc/Antarctic_Synoptic_Chart.GIF

Source: http://amrc.ssec.wisc.edu/realcomp.html

Latest mid-resolution (10 kilometer) infrared pseudo-color Antarctic composite image [updates daily]

http://amrc.ssec.wisc.edu/~amrc/amrc_color_composite_latest.jpg

Source: http://amrc.ssec.wisc.edu/realcomp.html

Antarctic Oscillation (AAO) - Observed & GSF Forecasts [updates weekly]

Antarctic Oscillation - GFS AAO Outlooks

Source: http://www.cpc.noaa.gov/products/precip/CWlink/daily_ao_index/teleconnections.shtml

 

Antarctic Oscillation (AAO) - Observed & ENSM Forecasts [updates weekly]

Ensemble Mean AAO Outlooks

Source: http://www.cpc.noaa.gov/products/precip/CWlink/daily_ao_index/teleconnections.shtml

 

 

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