Education:

• B.S. (Biology) University of Tulsa, 1994
• M.S. (Botany) University of Oklahoma, 1998
• Ph.D. (Botany) University of Wyoming, 2003

Professional Experience:

• 2006-Present Associate Research Scientist, Department of Civil and Architectural Engineering, University of Wyoming
• 2006-Present Director, Wyoming Water Resources Data System
• 2006-Present Wyoming State Climatologist
• 2008-Present Affiliate Faculty, Program in Ecology, University of Wyoming
• 2006-Present Adjunct Assistant Professor, Laboratory of Tree-ring Research, University of Arizona
• 2004-2006 National Research Council Research Associate, Desert Laboratory, U.S. Geological Survey
• 2003-2004 Post-Doctoral Research Associate, Big Sky Institute, Montana State

Selected Publications:

• Aziz, O., G.A. Tootle, S.T. Gray. 2009. Pacific Ocean sea surface temperature variability and western U.S. snowfall. Journal of Hydrology, In review.
• Barnett, F.A., T.A. Watson, G.A. Tootle and S.T. Gray. 2009. Upper Green River Basin (USA) streamflow reconstructions. Journal of Hydrologic Engineering, In review.
• S.T. Gray and G.J. McCabe. 2009. Combined water balance and tree-ring approaches to understanding the potential hydrologic effects of climate change on the Yellowstone River. Water Resources Research, In review.
• Kelleners, T., V.B. Paige, S.T. Gray. 2009. Measurement of the dielectric properties of Wyoming soils using electromagnetic sensors. Soil Science Society of America Journal, In review.
• Watson, T.A., F.A. Barnett, S.T. Gray and G.A. Tootle. 2009. Reconstructed stream flow for the headwaters of the Wind River, Wyoming USA. Journal of the American Water Resources Association 45:224-236."
• McCabe, G.J., J.L. Betancourt, S.T. Gray, M.A. Palecki, and H.H. Hidalgo. 2008. Associations of multi-decadal sea-surface temperature variability with U.S. Drought. Quaternary International, doi:10.1016/j.quaint.2007.07.001.
• Gray, S.T., L.J. Graumlich, and J.L. Betancourt. 2007. Annual precipitation in the Yellowstone National Park Region since A.D. 1173. Quaternary Research, 68:18-27.
• Gray, S.T., J.L. Betancourt, S.T. Jackson and R.G. Eddy. 2006. Roll of multidecadal climate variability in a range extension of pinyon pine. Ecology 87:1124-1130.
• Pederson, G.T., S.T. Gray, D.B. Fagre and L.J. Graumlich. 2006. Long-duration drought variability and impacts on ecosystem services: A case study from Glacier National Park, Montana USA. Earth Interactions 10(4):1-28.
• Woodhouse, C.A., S.T. Gray and D.M. Meko. 2006. Updated streamflow reconstructions for the Upper Colorado River Basin. Water Resources Research, 42:W05415, doi:10.1029/2005WR004455.
• Jackson, S.T., J.L. Betancourt, M.E. Lyford, S.T. Gray and K.A. Rylander. 2005. A 40,000-year woodrat-midden record of vegetational and biogeographic dynamics in northeastern Utah. Journal of Biogeography 32:1085-1106.
• Gray, S.T., Fastie, C., Jackson, S.T., and Betancourt, J.L. 2004. Tree-ring based reconstructions of precipitation in the Bighorn Basin, Wyoming since A.D. 1260. Journal of Climate, 17:3855-3865.
• Gray, S. T., Jackson, S. T. and J.L. Betancourt. 2004. Tree-ring based reconstructions of interannual to decadal-scale precipitation variability for northeastern Utah. Journal of the American Water Resources Association, 40:947-960.
• Gray, S.T., L.J. Graumlich, J.L. Betancourt, and G.D. Pederson. 2004. A tree-ring based reconstruction of the Atlantic Multidecadal Oscillation since 1567 A.D. Geophysical Research Letters, 31:L12205, doi:10.1029/2004GL019932.
• Pederson, G.T, Fagre, D.B., Gray, S.T. and Graumlich, L.J. 2004. Decadal-scale climate drivers for glacial mass balance in Glacier National Park, Montana, USA. Geophysical Research Letters, 31:L12203, doi:10.1029/2004GL019770.
• Gray, S.T., J.L. Betancourt, C.L. Fastie and S.T. Jackson. 2003. Patterns and sources of multidecadal oscillations in drought-sensitive tree-ring records from the central and southern Rocky Mountains. Geophysical Research Letters, 30:491-494, doi:10.1029/2002GL016154.
• Lyford, M.E., Jackson, S.T., Betancourt, J.L. and Gray, S.T. 2003, Influence of landscape structure and climate variability in a late Holocene natural invasion. Ecological Monographs, 73:567-583.

Representive Funding:

• 2008 Wyoming State Geological Survey. "Assessment of Groundwater Resources in the Green River Basin, Wyoming." ($35,000).

• 2008 Wyoming Department of Agriculture (Co-PI with V.B. Paige). "Development of a soil moisture monitoring network for the State of Wyoming." ($25,000)

• 2008 Wyoming State Geological Survey. "Assessment of Groundwater Resources in the Wind-Bighorn River Basin, Wyoming." ($35,000).

• 2007 National Oceanic and Atmospheric Administration, Climate Change Detection and Data Program (Co-PI with C. Woodhouse and others). "Interpreting and Refining the Climate Signal in Millennial-Length 5-Needle Pine Chronologies." ($114,000).

• 2006 National Science Foundation, Geography and Regional Science Program (Co-investigator with L.G. Graumlich and others). "A novel approach for improving records of long-term, multi-scale snowpack variability in western North America." ($98,000).

• 2004-2006 National Research Council-Research Associate Program, U.S. Geological Survey Post-Doctoral Research Award. "Assessing the Importance of Low-Frequency Climate Variability in Forecasting Ecological and Hydrologic Change Across the Rocky Mountain West." ($157,000).

• 2004 National Park Service-Greater Yellowstone Network, Inventory and Monitoring Program. "Development of climate-monitoring protocols for the Greater Yellowstone Network." ($40,000).

Professional Memberships:

• American Geophysical Union

• American Quaternary Association

• American Water Resources Association