Jeffrey Deems

Research Scientist II

Degrees:

PhD, Colorado State University, 2007

Specialties:

Snow properties; snow hydrology; snow depth mapping; climate change impacts on snow and water resources; LIDAR remote sensing; avalanche formation; hydrologic modeling

Projects:

Integrated Hydrologic Response to Extreme Deposition of the Snow Cover of the Colorado River Basin

ACTIVITIES:

Science Liaison, Operation Ice Bridge

Member, NASA Snow Working Group-Remote Sensing, Steering Committee

Member, American Geophysical Union

Member, American Avalanche Association

PUBLICATIONS:

2017

Brucker, L., C. Hiemstra, H.-P. Marshall, K. Elder, R. De Roo, M. Mousavi, F. Bliven, W. Peterson, J. Deems, P. Gadomski, A. Gelvin, L. Spaete, T. Barnhart, T. Brandt, J. Burkhart, C. Crawford, T. Dutta, H Erikstrod, N. Glenn, K. Hale, B. Holben, P. Houser, K. Jennings, R. Kelly, J. Kraft, A. Langlois, D. McGrath, C. Merriman, N. Molotch, and A. Nolin. 2017. A first overview of SnowEx ground-based remote sensing activities during the winter 2016-2017. 2017 IEEE International Geoscience and Remote Sensing Symposium(IGARSS) proceedings, doi:10.1109/IGARSS.2017.8127223.

López-Moreno, J. I., J. Revuelto, E. Alonso-Gonzalez, A. Sanmiguel-Vallelado, S. R Fassnacht, J. Deems, and E. Moran-Tejeda. 2017. Using very long-range terrestrial laser scanner to analyze the temporal consistency of the snowpack distribution in a high mountain environment. Journal of Mountain Science 14(5): 823-842. doi:10.1007/s11629-016-4086-0.

Moller, D., S. Hensley, K. J. Bormann, J. Deems, K. Andreadis, and T. H. Painter. 2017. Mapping snow-depth using KA-band InSAR: Calibration and validation during SnowEx. 2017 IEEE International Geoscience and Remote Sensing Symposium(IGARSS) proceedings, doi:10.1109/IGARSS.2017.8126962.

Painter, T. H., K. J. Bormann, J. S. Deems, and D. Berisford. 2017. The airborne snow observatory during NASA snow experiment (SnowEx) year 1: Mapping of snow water equivalent and snow albedo and constraining understanding of the physical environment. 2017 IEEE International Geoscience and Remote Sensing Symposium(IGARSS) proceedings, doi:10.1009/IGARSS.2017.8127226.

Painter, T. H., S. M. Skiles, J. S. Deems, W. T. Brandt, and J. Dozier. 2017. Variation in rising limb of Colorado River snowmelt runoff hydrograph controlled by dust radiative forcing in snow. Geophysical Research Letters 45(2): 797-808, doi:10.1002/2017/GL075826.

2016

Painter, T. H., D. F. Berisford, J. W. Boardman, K. J. Bormann, J. S. Deems, F. Gehrke, A. Hedrick, M. Joyce, R. Laidlaw, D. Marks, C. Mattmann, B. McGurk, P. Ramirez, M. Richardson, S. M Skiles, F. C. Seidel, and A. Winstral. 2016. The Airborne Snow Observatory: Fusion of scanning lidar, imaging spectrometer, and physically-based modeling for mapping snow water equivalent and snow albedo. Remote Sensing of the Environment 184: 139-152. doi:10.1016/j.rse.2016.06.018.

2015

Deems, J. S., P. J. Gadomski, D. Vellone, R. Evanczyk, A. L. LeWinter, K. W. Birkeland, and D. C. Finnegan. 2015. Mapping start zone snow depth with a ground-based lidar to assist avalanche control and forecasting. Cold Regions Science and Technology 120: 197-204. doi:10.1015/j.coldregions.2015.09.002.

Livneh, B., J. S. Deems, B. Buma, J. J. Barsugli, D. Schneider, N. P. Molotch, K. Wolter, and C. A. Wessman. 2015. Catchment response to bark beetle outbreak and dust-on-snow in the Colorado Rocky Mountains. Journal of Hydrology 523: 196-210. doi:10.1016/j.jhydrol.2015.01.039.

2014

Livneh, B., J. S. Deems, D. Schneider, J. J. Barsugli, and M. P. Molotch. 2014. Filling in the gaps: Inferring spatially distributed precipitation from gauge observations over complex terrain. Water Resources Research 50(11): 8,589-8,610. doi:10.1002/2014WR015442.

Tedesco, M., C. Derksen, J. S. Deems, and J. L. Foster. 2014. Remote sensing of snow depth and snow water equivalent. In Remote Sensing of the Cryosphere, ed. M. Tedesco. Chichester, United Kingdom: John Wiley & Sons, Ltd. doi:10.1002/9781118368909.ch5.

2013

Bryant, A. C., T. H. Painter, J. S. Deems, and S. M. Bender. 2013. Impact of dust radiative forcing in snow on accuracy of operational runoff prediction in the Upper Colorado River Basin. Geophysical Research Letters 40(15): 3,945-3,949. doi:10.1002/grl.50773.

Deems, J. S., T. H. Painter, J. J. Barsugli, J. Belnap, and B. Udall. 2013. Combined impacts of current and future dust deposition and regional warming on Colorado River Basin snow dynamics and hydrology. Hydrology and Earth System Sciences 17(11): 4,401-4,413. doi:10.5194/hess-17-4401-2013.

Deems, J. S., T. H. Painter, and D. C. Finnegan. 2013. Lidar measurement of snow depth: a review. Journal of Glaciology 59(215): 467-479, doi:10.3189/2013JoG12J154.

2012

Painter, T. H., S. M. Skiles, J. S. Deems, A. C. Bryant, and C. C. Landry. 2012. Dust radiative forcing in snow of the Upper Colorado River Basin: 1. A 6 year record of energy balance, radiation, and dust concentrations. Water Resources Research 48, W07521. doi:10.1029/2012WR011985.

Skiles, S. M., T. H. Painter, J. S. Deems, A. C. Bryant, and C. C. Landry. 2012. Dust radiative forcing in snow of the Upper Colorado River Basin: 2. Interannual variability in radiative forcing and snowmelt rates. Water Resources Research 48, W07522. doi:10.1029/2012WR011986.

2010

Elsner, M. M., L. Cuo, N. Voisin, J. S. Deems, A. F. Hamlet, J. A. Vano, K. E. B. Mickelson, S.-Y. Lee, and D. P. Lettenmaier. 2010. Implications of 21st century climate change for the hydrology of Washington State. Climatic Change 102: 225-260. doi:10.1007/s10584-010-9855-0.

Lowry, C. S., J. S. Deems, S. P. Loheide II, and J. D. Lundquist. 2010. Linking snowmelt-derived fluxes and groundwater flow in a high elevation meadow system, Sierra Nevada Mountains, California. Hydrological Processes 24(20): 2,821-2,833. doi:10.1002/hyp.7714.

Painter, T. H., J. S. Deems, J. Belnap, A. F. Hamlet, C. C. Landry, B. Udall, B. 2010. Response of Colorado River runoff to dust radiative forcing in snow. Proceedings of the National Academy of Sciences 107(40): 17,125-17,130. doi:10.1073/pnas.0913139107.

2009

Fassnacht, S. R., J. D. Stednick, J. S. Deems, and M. V. Corrao. 2009. Metrics for assessing snow surface roughness from digital imagery. Water Resources Research 45, W00D31. doi:10.1029/2008WR006986.

2008

Deems, J. S., S. R. Fassnacht, and K. J. Elder. 2008. Interannual consistency in fractal snow depth patterns at two Colorado mountain sites. Journal of Hydrometeorology 9(5): 977-988. doi:10.1175/2008JHM901.1.

2006

Deems, J. S., S. R. Fassnacht, and K. J. Elder. 2006. Fractal distribution of snow depth from LiDAR data. Journal of Hydrometeorology 7(2): 285-297. doi:10.1175/JHM487.1.

Fassnacht, S. R., and J. S. Deems. 2006. Measurement Sampling and Scaling for Deep Montane Snow Depth Data. Hydrological Processes 20: 829-838. doi:10.1002/hyp.6119.