Dr. Roger Bales


Sierra Nevada Research Institute

University of California,

5200 North Lake Road, Merced, CA. 95343

  • Ph.D.,California Institute of Technology
  • M.S.,California Institute of Technology
  • M.S.,University of California, Berkeley
  • B.S.,Purdue University


Current Position: 
Professor, School of Engineering, University of California, Merced
Director, Sierra Nevada Research Institute, University of California, Merced
Research Interests: 
  • Hydrology
  • Snow and ice
  • Hydrochemistry
  • Climate impacts on water resources
  • Climate changes over polar ice sheets

 B Kerkez, SD Glaser, RC Bales, MW Meadows, Design and performance of a wireless sensor network for catchment-scale snow and soil moisture measurements,Water Resources Research,doi:10.1029/2011WR011214, 2012

F. Liu, C. Hunsaker, R. Bales, Controls of streamflow generation in small catchments across the snow-rain transition in the Southern Sierra Nevada, California,Hydrological Processes,doi: 10.1002/hyp.9304, 2012

K.N. Musselman, N.P. Molotch, S.A. Margulis, P.B. Kirchner, R.C. Bales, Influence of canopy structure and direct beam solar irradiance on snowmelt rates in a mixed conifer forest,Agricultural and Forest Meteorology,161:46-56, ISSN 0168-1923, 10.1016/j.agrformet.2012.03.011, 2012

S.R. Fassnacht, , K.A. Dressler, D.M. Hultstrand, R.C. Bales, and G. Patterson, Temporal Inconsistencies in Coarse-scale Snow Water Equivalent Patterns: Colorado River Basin Snow Telemetry-Topography Regressions,Pirineos.Revista de Ecología de Montaña. ,doi: 10.3989/Pirineos .2011.166008, 2012

E. Hanna, P. Huybrechts, J. Cappelen, K. Steffen, R. C. Bales, E. Burgess, J. R. McConnell, J. P. Steffensen, M. Van den Broeke, L. Wake, G. Bigg, M. Griffiths, D. Savas, Greenland Ice Sheet surface mass balance 1870 to 2010 based on Twentieth Century Reanalysis, and links with global climate forcing,JGR Atmospheres,D24121, doi:10.1029/2011JD016387, 2011

Robert Rice, Roger C. Bales, Thomas H. Painter and Jeff Dozier, Snow water equivalent along elevation gradients in the Merced and Tuolumne River basins of the Sierra Nevada, Water Resources Research, accepted, 2011

Evan W. Burgess, Richard R. Forster, Jason E. Box, Ellen Mosley Thompson, David H. Bromwich, Roger C. Bales, and Laurence C. Smith, A spatially calibrated model of annual accumulation rate on the Greenland Ice Sheet (1958 2007),Journal of Geophysical Research,doi:10.1029/2009JF001293, 2010

Robert Rice and Roger C. Bales, Embedded sensor network design for snow cover measurements around snow pillow and snow course sites in the Sierra Nevada of California,Water Resources Research,VOL. 46, W03537, doi:10.1029/2008WR007318, 2010

J. Ettema, M. R. van den Broeke, E. van Meijgaard, W. J. van de Berg, J. L. Bamber, J. E. Box, R. C. Bales, Higher surface mass balance of the Greenland ice sheet revealed by high-resolution climate modeling,Geophysical Research Letters,36, L12501, doi:10.1029/2009GL038110, 2009

M. Frey, M. Hutterli, G. Chen, S. Sjostedt, J. Burkhart, D. Friel, and R. Bales, Contrasting atmospheric boundary layer chemistry of methylhydroperoxide (CH3OOH) and hydrogen peroxide (H2O2) above polar snow.,Atmospheric Chemistry and Physics, 9, 3261-3276, 2009

Roger C. Bales, Dayong Shen, Guoming Du, Qinghua Guo, Joseph R. McConnell, John Burkhart, Vandy B. Spikes, Edward Hanna, John Cappelen, Annual accumulation for Greenland updated using ice core data developed during 2000-2006 and analysis of daily coastal meteorological data,Journal of Geophysical Research, Atmospheres,114, D06116, doi:10.1029/2008JD011208 , 2009

John F. Burkhart, Roger C. Bales, Joseph R McConnell, Manuel A Hutterli, Markus Frey, Geographic variability of nitrate deposition and preservation over the Greenland Ice Sheet,JGR Atmospheres,114: D6, D06301, http://dx.doi.org/10.1029/2008JD010600 , 2009