V - 



ACKNOWLEDGMENTS 



Several people made valuable contributions to this study. 

 Dr. Alan Truelove of Pechan and Associates did much of the early 

 computer programming. Dr. Sergej Lebedef f , Dr. Gary Russell, 

 Dr. Andrew Lacis, and Dr. James Hansen of the Goddard Institute 

 for Space Studies (GISS) provided computer programs and technical 

 advice on the temperature-flux eguations, thermal-expansion 

 model, and ice-sheet melting. Dr. Robert Thomas and Dr. David 

 Thompson of the Jet Propulsion Laboratory provided information 

 on glacial processes. Dr. William Emanuel of Oak Ridge National 

 Laboratories provided the computer program and technical advice 

 on the carbon-cycle model. CO2 projections were derived from 

 runs of a modified version of the World Energy Model provided by 

 the Institute of Energy Analysis, Oak Ridge Associated Universities. 

 Loren Dunn of EPA made valuable contributions to earlier versions 

 of this effort. Wynne Cougill and Steven Seidel made editorial 

 suggestions. Tom Glover provided graphics and Carolyn Acklin typed 

 numerous drafts. 



We would like to thank more than one hundred peer reviewers, 

 too numerous to name, who took time to comment on this report. 

 All errors, omissions and inaccuracies, however, are the 

 responsibilities of the authors. 



