Dr. Robert G. Ellingson, Ph.D.
Florida State University, 1972

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Professor and Chair of Meteorology

Professor Ellingson's career has been devoted to teaching and research in the area of physical meteorology - thermodynamics, cloud physics and radiative transfer. His primary research activities are concerned with the measurement, calculation and analysis of atmospheric radiation quantities. These activities have as goals the development of techniques for including radiative transfer in climate models and for remotely sensing radiation budget parameters from space. He is the Secretary of the International Radiation Commission (IRC) of the International Association of Meteorology and Atmospheric Physics (IUGG); Chairman of the International Intercomparison of Radiation Codes for Climate Models (ICRCCM) a working group of the World Climate Research Program; a member of the Editorial Board of the Journal of Quantitative Spectroscopy and Radiative Transfer; Chair the U.S. Department of Energy (DOE) Atmospheric Radiation Meaasurement (ARM) program Science Team Executive Committee, and Mission Scientist for DOE Unmanned Aerospace vehicle program. Professor Ellingson is also the Chair of the Department of Meteorology at the Florida State University.

Selected Publications

• Ma. Y. T. and R. G. Ellingson, 2005: Testing of Probability of Clear Line of Sight (PCLOS) Models for Cumulus Clouds with ARM Observations. Current Problems in Atmospheric Radiation 2004: Proceedings of the International Radiation Symposium 2004, DEEPAK Press. In Press.
• Musat, I. C. and R. G. Ellingson, 2005: The use of the ARM WSI to Estimate the Atmospheric Optical Depth at Night. Current Problems in Atmospheric Radiation 2004: Proceedings of the International Radiation Symposium 2004, DEEPAK Press. In Press.
• Takara, E. E. and R. G. Ellingson, 2005: Comparison of Longwave Effective Cloud Fraction with ARM Cloudiness Measurements. Current Problems in Atmospheric Radiation 2004: Proceedings of the International Radiation Symposium 2004, DEEPAK Press. In Press.
• Three Dimensional Radiative Transfer, 2005: S, Marshak and A. Davis, editors, Chapter 10 - Longwave Radiative Transfer in Inhomogeneous Cloud Layers, Robert G. Ellingson and Ezra E. Takara, authors. Elsevier Press.
• Cahalan, R. F., L. Oreopoulos, A. Marshak, K. F. Evans, A. B. Davis, R. Pincus, K. H. Yetzer, B. Mayer, R. Davies, T. P. Ackerman, H. W. Barker, E. E. Clothiaux, R. G. Ellingson, M. J. Garay, E. Kassianov, S. Kinne, A. Macke, W. O'Hirok, P. T. Partain, S. M. Prigarin, A. N. Rublev, G. L. Stephens, F. Szczap, E. E. Takara, T. Varnai, G. Wen and T. B. Zhuravleva, 2005: Bringing together the most advanced radiative transfer tools for cloudy atmospheres. Bull. Amer. Metor. Soc., 86, 1275-1293.
• Turner, D. D., D. C. Tobin, S. A. Clough, P. D. Brown, R. G. Ellingson, E. J. Mlawer, R. O. Knuteson, H. E. Revercomb, T. R. Shippert, W. L. Smith, and M. Shepard, 2004: The QME AERI LBLRTM: A closure experiment for downwelling high spectral resolution infrared radiance. J. Atmos. Sci., 61, 2657-2675.
• Lee, H.-T., A. Heidinger, A. Gruber and R. G. Ellingson, 2004: The HIRS outgoing longwave radiation product from hybrid polar and geosynchronous satellite observations. Advances in Space Research, 33, 1120-1124.
• Ellingson, R. G. and M. Ba, 2003: A study of diurnal variation of OLR from GOES Sounder. J. Atmos. Ocean. Tech., 20, 90-98.
• Ba, M., R. G. Ellingson and A. Gruber, 2003: Validation of a technique for estimating OLR with the GOES sounder. J. Atmos. Ocean. Tech., 20, 79-89. 
• Lee, H.-T., and R. G. Ellingson, 2002: Development of a non-linear statistical method for estimating the downward longwave radiation at the surface from satellite observations. J. Atmos. Ocean. Tech., 19, 1500-1515.