Paul Santi

Professor, Geology and Geological Engineering

Paul Santi


  • Ph.D., Geological Engineering, Colorado School of Mines, 1995
    Dissertation: “Classification and Testing of Weak and Weathered Rock Materials: A Model Based on Colorado Shales”
    unpublished Ph.D. dissertation, Colorado School of Mines, Golden, CO, 286 p.
  • M.S., Geology, Texas A&M University, 1988
    Thesis: “The Kinematics of Debris Flow Transport Down a Canyon”
    unpublished M.S. thesis, Texas A&M University, College Station, TX, 85 p.
  • B.S. with honors, Geology and Physics, Duke University, 1986



  • Professional Geologist #3590, Wyoming


Recent Refereed Publications

  • Gartner, J.E., Santi, P.M., and Cannon, S.H., 2015, “Predicting locations of post-fire debris-flow erosion in the San Gabriel Mountains of southern California,” Natural Hazards, Vol. 77, pp. 1305-1321.
  • Santi, P.M., 2014, “Precision and Accuracy in Debris-Flow Volume Measurement,” Environmental and Engineering Geoscience, vol. 20, pp. 349-359.
  • Gartner, J.E., Cannon, S.H., and Santi, P.M., 2014, “Empirical models for predicting volumes of sediment deposited by debris flows and sediment-laden floods in the transverse ranges of southern California,” Engineering Geology, vol. 176, pp. 45-56.
  • Friedman, E.Q and Santi, P.M., 2014, “Debris-flow Hazard Assessment and Model Validation Following the Medano Fire, Great Sand Dunes National Park and Preserve, Colorado”, Landslides, DOI 10.1007/s10346-013-0462-9.
  • McKenna, J.P., Santi, P.M., and Baum, R.L., 2014, “An Experimental Method for Testing Soil Mobility of Landslides”, GSA Bulletin, DOI 10.1130/B30870.1.
  • Santi, P. M., Cannon, S., DeGraff, J., 2013, Wildfire and landscape change. In: Shroder, J. (Editor in Chief), James, L.A., Harden, C.P., Clague, J.J. (Eds.), Treatise on Geomorphology. Academic Press, San Diego, CA, v. 13, Geomorphology of Human Disturbances, Climate Change, and Natural Hazards, pp. 262–287.
  • Dowling, C. and Santi, P.M., 2013, “Debris Flows and Their Toll on Human Life: A Global Analysis of Debris-Flow Fatalities from 1950 to 2011”, Natural Hazards, DOI 10.1007/s11069-013-0907-4.
  • Swanson, N.R. and Santi, P.M., 2013, “Comparison of colluvium, debris flow, glacial till and outwash deposits using geotechnical and geological properties, Durango, Colorado”, Environmental and Engineering Geoscience(awarded the 2011 AEG Student Professional Paper, Graduate Division), v. 19, pp. 99-114.
  • Santi, P.M. and Morandi, L., 2012, “Comparison of Debris-Flow Volumes from Burned and Unburned Areas”, Landslides, DOI 10.1007/s10346-012-0354-4.
  • Cook, D.I., Santi, P.M., and Higgins, J.H., 2012, “Prediction of Piezometric Surfaces and Drain Spacing for Horizontal Drain Design”, Landslides, DOI 10.1007/s10346-012-0337-5, v. 9, pp. 547-556.
  • McKenna, J.P., Santi, P.M., Amblard, X., and Negri, J., 2011, “Effects of soil-engineering properties on the failure mode of shallow landslides”, Landslides, DOI 10.1007/s10346-011-0295-3.
  • Mininger, K.T. and Santi, P.M., 2011, “Lifespan of Horizontal Wick Drains Used for Landslide Drainage”, Environmental and Engineering Geoscience, v. 17, n. 2, pp. 103-121 (awarded the 2010 AEG Student Professional Paper, Graduate Division).
  • Santi, P.M., Hewitt, K., and Barillas, E.M., 2010, Debris-Flow Impact, Vulnerability, and Response, Natural Hazards, DOI 10.1007/s11069-010-9576-8.
  • Santi, P.M., Russell, C.P., Higgins, J.D., and Spriet, J.I., 2009, “Modification and Statistical Analysis of the Colorado Rockfall Hazard Rating System”, Engineering Geology, v. 104, pp. 55-65.
  • Prochaska, A.B., Santi, P.M., and Higgins, J.D., 2008, “Relationships between size and velocity for particles within debris flows”, Canadian Geotechnical Journal, v. 45, pp. 1778-1783.
  • Prochaska, A.B., Santi, P.M., Higgins, J.D., and Cannon, S.H., 2008, “A Study to Estimate Debris Flow Velocity”, Landslides, v. 5, pp. 431-444. (winner of the 2008 Best Paper Award for the journal)
  • Prochaska, A.B., Santi, P.M., and Higgins, J.D., 2008, “Debris Basin and Deflection Berm Design for Fire-Related Debris-Flow Mitigation”, Environmental and Engineering Geoscience, v. 14,n. 4, pp. 297-313.
  • Cook, D.I.,Santi, P.M., and Higgins, J.D., 2008, “Horizontal Landslide Drain Design: State-of-the-Art and Unanswered Questions.”Environmental and Engineering Geoscience, v. 14, n. 4, pp. 241-250 (awarded the 2007 AEG Student Professional Paper, Graduate Division).
  • Cook, D.I., Santi, P.M., Higgins, J.D., and Short, R.D., 2008, “Field Scale Measurement of Groundwater Profiles in a Drained Slope”,  Environmental and Engineering Geoscience, v. 14, n. 3, pp. 167-182.
  • Gartner, J.E., Cannon, S.H., Santi, P.M., and deWolfe, V.G., 2008, “Empirical Models to Predict the Volumes of Debris Flows Generatedby Recently Burned Basins in the Western U.S.”, Geomorphology, v. 96, n. 3&4, pp. 339-354.
  • deWolfe, V.G., Santi, P.M., Ey, J. and Gartner, J.E., 2008, “Effective Debris Flow Mitigation at Lemon Dam, LaPlata County, Colorado”,  Geomorphology_ v. 96, n. 3&4, pp. 366-377.
  • Santi, P.M., deWolfe, V.G., Higgins, J.D., Cannon, S.H., and Gartner, J.E., 2008, “Sources of Debris Flow Material in Burned Areas”,  Geomorphology, v. 96, n. 3&4, pp. 310-321.
  • Prochaska, A.B.,Santi, P.M., Higgins, J.D., and Cannon, S.H., 2008, “Debris Flow Runout Predictions Based on the Average Channel Slope”, Engineering Geology, v. 98, n. 1&2, pp. 29-40.

Berthoud Hall 305F
Fax: 303-273-3859