Masters Theses

Date of Award


Degree Type


Degree Name

Master of Science


Environmental Engineering

Major Professor

Joshua S. Fu

Committee Members

John B. Drake, Glen A. Tootle, David J. Erickson


The evolution of General Circulation Models (GCM) for climate study has led to more accurate predictions for atmospheric transport, yet precision in predictions remains in need of improvement. The National Aeronautics and Space Administration Goddard Earth Observation System model, Version 5 (GEOS-5) represents a state of the art climate model capable of simulating a wide variety of atmospheric processes informed continuously by satellite observations. This thesis examines some of the physical parameterizations employed by GEOS-5 and their effect on the transport of two greenhouse gasses: ozone and carbon dioxide.

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