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Global Change Visualizations

       
  CFC-11   CFC-11 Deep Ocean Penetration
CFC's are man-made pollutants which are extremely inert in sea water and detectable at very low concentrations. Observation concentrations provide a valuable measure of truth for computer models of ocean circulation, particularly with respect to their representation of deep water pathways.
       
       
   

Climate Change Simulation
Temperature anomalies are simulated for the past and future over a 230 year period in a mid-range scenario.

       
       
    Climate Change Simulation
Temperature anomalies are simulated for the past and future over a 230 year period in a mid-range scenario.
       
       
    Climate Change: Drought may threaten much of globe within decades
This analysis concludes that warming temperatures associated with climate change will likely create increasingly dry conditions across much of the globe in the next 30 years, possibly reaching a scale in some regions by the end of the century that has rarely, if ever, been observed in modern times.
       
       
    CO2 & Temperature Differences
Monthly average temperature differences are shown here between a 1% CO2 transient experiment and a control run of the Parallel Climate Model (PCM) at T42 resolution.
       
       
  Global Warming Simulation   Greenhouse Gases & Sulfate Aerosols
Climate models are often used to simulate future climates assuming specific changes in our environment. Predicted global temperature changes are shown by computing the effects of expected increased atmospheric levels of carbon-dioxide and sulfate aerosols.
       
       
  NCAR CSM   Greenhouse Gases & Surface Temperature Change
Surface temperature and its predicted change due to increased levels of greenhouse gases are simulated over a period of several decades using the NCAR Climate System Model.
       
       
    Polar Vortex Breakdown
In early winter, cold temperatures result in the formation of a strong circumpolar flow in the stratosphere, known as the polar night vortex, producing favorable conditions for ozone depletion.
       
       
    Polar Vortex High Resolution Simulation
This new simulation of the stratospheric polar night vortex breakdown was computed at a significantly higher resolution than the previous one (two to four times the horizontal and vertical resolution).
       
       
    Sea Ice and CO2 Levels
After 140 years of a 1% annual increase in CO2, this simulation shows a dramatic reduction in sea ice thickness at the North Pole. Results for the South Pole are also shown.
       
       
  Sulfate Aerosol Evolution   Sulfate Aerosol Evolution
The NCAR Community Climate Model (CCM3) is used to model sulfate aerosols in the atmosphere that originate from coal burning and smelting operations around the globe. These visualizations show the daily global distribution of aerosols during a single model year.