Steve Warren
  Professor
  Office: ATG-524
     ESS Mailing Address
  Phone: 206-543-7230
  Fax: 206-543-0489 (shared)
  Email: warren @ ess.washington.edu
  Homepage: http://www.atmos.washington.edu/~sgwgroup/

  Research Groups: Astrobiology, Climate and Paleoclimate, Glaciology, Quaternary Research

Areas of Interest:
Solar radiation processes, antarctic climate

Education:
Ph.D., Physical Chemistry, Harvard University, 1973

Current Research Interests:
Solar and infrared radiation processes in snow, clouds and sea ice. Antarctic climate. Infrared radiation in the Antarctic atmosphere. Oceanic processes on Snowball Earth. Recent changes in cloud cover and cloud types from surface observations.

Selected Publications:

Eastman, R., and S.G. Warren, 2010:  Interannual variations of Arctic cloud types in relation to sea ice.  J. Climate, 23, 4216-4232.

Doherty, S.J., S.G. Warren, T.C. Grenfell, A.D. Clarke, and R.E. Brandt, 2010:  Light-absorbing impurities in Arctic snow.  Atmos. Chem. Phys., 10, 11647-11680.

Bøggild, C.E., R.E. Brandt, K.J. Brown, and S.G. Warren, 2010:  The ablation zone in northeast Greenland:  Ice types, albedos, and impurities.  J. Glaciol., 56, 101-113.	

Hudson, S.R., S.G. Warren, and S. Kato, 2010:  A comparison of shortwave reflectance over the East Antarctic Plateau observed by CERES to that estimated from surface reflectance observations.  J. Geophys. Res., 115, D20110, doi:10.1029/2010JD013912.

Light, B., R.E. Brandt, and S.G. Warren, 2009:  Hydrohalite in cold sea ice:  Laboratory observations of single crystals, surface accumulations, and migration rates under a temperature gradient, with application to “Snowball Earth.”  J. Geophys. Res., 114, C07018, doi:10.1029/2008JC005211.

Warren, S.G., and R.E. Brandt, 2008:  Optical constants of ice from the ultraviolet to the microwave:  A revised compilation.  J. Geophys. Res., 113, D14220, doi:10.1029/2007JD009744.