His research has been closely aligned with the development of increasingly sophisticated satellite platform measurements, such as the terrestrial radiation budget, ozone and weather-related data, and the need for increasingly sophisticated atmospheric models to assess and evaluate the information content and utility of these measurements. Current climate models are now able to reproduce the historical temperature record over the past century and to make climate change predictions for the future, keeping pace with NASA's measurements of solar energy variations, sea level change and polar ice loss with unprecedented precision and accuracy.Hansen's climate analyses have been based not only on the very basic physics that goes into climate model design, but on the detailed studies of the geological ice core and isotope records that are used to constrain and confirm climate model sensitivity. In recent years Hansen has drawn attention to the danger of passing climate tipping points, producing irreversible climate impacts that would yield a different planet from the one on which civilization developed.
NASA's Hansen To Hand Over Reins Of Goddard Institute For Space Studies Director
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