Special Physics Seminar

Basic Climate Change Calculations

Professor David Hafemeister

California Polytechnic State University

Using global consumption rate of fossil fuels, the carbon dioxide level will be projected into the middle of this century. Working backwards in time, the carbon dioxide level is estimated at the beginning of the industrial revolution. Using a multi-layered box model, the temperature rise at the surface of Earth and Venus are estimated under a wide variety of circumstances. It is believed that doubling carbon dioxide increases Earth’s cloudiness, but it is not known exactly what the additional cloud cover will do to the surface temperature of the Earth. We vary some of the cloud parameters to discuss the effects of high clouds vs. low clouds. Early results from the ocean thermal tomography experiments are roughly analyzed in terms of a solar-thermal coupling to the oceans. The Kyoto-Bonn caps will be examined.

Wednesday, September 17, 2003
2:00 PM
Gant Science Complex
Physics Department
Room P121

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