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Time Series: 1979-2014

Data source: Satellite observations.
Credit: NASA Scientific Visualization Studio
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1979
2014

This visualization shows the annual Arctic sea ice minimum from 1979 to 2014.  At the end of each summer, the sea ice cover reaches its minimum extent, leaving what is called the perennial ice cover. The area of the perennial ice has been steadily decreasing since the satellite record began in 1979.

Sea Level Change: Southeastern US

Credit: Center for Remote Sensing of Ice Sheets
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Sea Level Change: Europe

Credit: Center for Remote Sensing of Ice Sheets
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Sea Level Change: Amazon

Credit: Center for Remote Sensing of Ice Sheets
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Sea Level Change: Southeast Asia

Credit: Center for Remote Sensing of Ice Sheets
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Recent satellite observations have detected a thinning of parts of the Greenland ice sheet at lower elevations.  A partial melting of this ice sheet would cause a 1-meter (3-foot) rise. If melted completely, the Greenland ice sheet contains enough water to raise sea level by 5-7 meters (16-23 feet).

This visualization shows the effect on coastal regions for each meter of sea level rise, up to 6 meters (19.7 feet).  Land that would be covered in water is shaded red.

Time Series: 2002-2014

Data source: Atmospheric Infrared Sounder (AIRS).
Credit: NASA
September
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Time Series: 2002-2014 key
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2002
2014

This time series shows global changes in the concentration and distribution of carbon dioxide from 2002-2014 at an altitude range of 1.9 to 8 miles.  The yellow-to-red regions indicate higher concentrations of CO2, while blue-to-green areas indicate lower concentrations, measured in parts per million.

Time Series: 1884 to 2014

Data source: NASA/GISS
Credit: NASA Scientific Visualization Studio
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Time Series: 1884 to 2014 key
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1884
2014

This color-coded map shows a progression of changing global surface temperatures from 1884 to 2014. Dark blue indicates areas cooler than average. Dark red indicates areas warmer than average.