Dennis Staley

Biography

Professional Experience

Research Physical Scientist, U.S. Geological Survey - Landslide Hazards Program, Golden CO, 2007 - Present.
Physical Scientist, U.S. Forest Service - Region 2 Renewable Resources, Golden CO, 2001 - 2007.

Education

Ph.D. in Earth Sciences, University of Memphis, Memphis TN, 2006.
MSc. in Geography, University of Memphis, Memphis TN, 2000.
BA in Geography, State University of New York - College at Geneseo, Geneseo NY, 1998.

 

Publications

Staley, D.M., Tillery, A.C., Kean, J.W., McGuire, L.A., Pauling, H.E., Rengers, F.K., 2018. Estimating post-fire debris-flow hazards prior to wildfire using a statistical analysis of historical distributions of fire severity from remote sensing data. International Journal of Wildland Fire. DOI: 10.1071/WF17122

Staley, D.M., 2018, Data used to characterize the historical distribution of wildfire severity in the western United States in support of pre-fire assessment of debris-flow hazards: U.S. Geological Survey Data Release. https://www.sciencebase.gov/catalog/item/5a204e55e4b09fc93ddbae62.   https://doi.org/10.5066/P9TKYL5K.

Kean, J.W., Staley, D.M., Rengers, F.K., McGuire, L.A., Smith, J.B., and Mirus, B.B., 2018, Post-wildfire debris-flow monitoring data, 2014 Silverado Fire, Orange County, California, November 2014 to January 2016: U.S. Geological Survey data release, https://doi.org/10.5066/F70K27R0.

McGuire, L.A., Rengers, F.K., Kean, J.W., Staley, D.M., Mirus, B.B., 2018. Incorporating spatially heterogeneous infiltration capacity into hydrologic models with applications for simulating post-wildfire debris flow initiation. Hydrological Processes, 32(9), 1173-1187. 10.1002/hyp.11458.

Staley, D.M., Kean, J.W., Pauling, H.E., Rengers, F.K., 2017. The science and prediction of post-fire debris flows in the western United States. U.S. Forest Service StreamNotes: The Technical Newsletter of the National Stream and Aquatic Ecology Center, August 2017, 1 – 6. Available online at https://www.fs.fed.us/biology/nsaec/assets/streamnotes2017-8.pdf.

Staley, D.M., Negri, J.A., Kean, J.W., Laber, J.L., Tillery, A.C., Youberg, A.M., 2017. Prediction of spatially explicit rainfall intensity–duration thresholds for post-fire debris-flow generation in the western United States. Geomorphology, 278, 149-162. http://dx.doi.org/10.1016/j.geomorph.2016.10.019.

McGuire, L.A., Rengers, F.K., Kean, J.W., Staley, D.M., 2017. Debris flow initiation by runoff in a recently burned basin: Is grain-by-grain sediment bulking or en masse failure to blame? Geophysical Research Letters, 44(14), 7310-7319. 10.1002/2017GL074243.

Kean, J.W., Staley, D.M., Cannon, S.H., 2017, Post-wildfire debris-flow monitoring data, Arroyo Seco, 2009 Station Fire, Los Angeles County, California, November 2009 to March 2010: U.S. Geological Survey data release, https://doi.org/10.5066/F7CJ8CC2.

Bessette-Kirton, E.K., Coe, J.A., Godt, J.W., Kean, J.W., Rengers, F.K., Schulz, W.H., Baum, R.L., Jones, E.S., Staley, D.M., 2017, Map data showing concentration of landslides caused by Hurricane Maria in Puerto Rico: U.S. Geological Survey data release, https://doi.org/10.5066/F7JD4VRF.

Staley, D.M., Negri, J.A., Kean, J.W., Laber, J.L., Tillery, A.C., Youberg, A.M., 2016. Updated Logistic Regression Equations for the Calculation of Post-Fire Debris-Flow Likelihood in the Western United States. U. S. Geological Survey Open-File Report 2016-1106, 13p. 10.3133/ofr20161106.

Staley, D.M., Kean, J.W., 2016. Chapter 34: Post-fire debris flows in southern California: science, prediction, and implications for practitioners. In: R. Anderson, H. Ferriz (Eds.), Applied Geology in California. Association of Environmental and Engineering Geologists Special Publication 26, 613-630.

Rengers, F.K., McGuire, L.A., Kean, J.W., Staley, D.M., Hobley, D.E.J., 2016. Model simulations of flood and debris flow timing in steep catchments after wildfire. Water Resources Research, 52(8), 6041-6061. http://dx.doi.org/10.1002/2015WR018176.

Rengers, F.K., McGuire, L.A., Coe, J.A., Kean, J.W., Baum, R.L., Staley, D.M., Godt, J.W., 2016. The influence of vegetation on debris-flow initiation during extreme rainfall in the northern Colorado Front Range. Geology, 44(10), 823-826. 10.1130/G38096.1.

Passalacqua, P., Belmont, P., Staley, D.M., Simley, J.D., Arrowsmith, J.R., Bode, C.A., Crosby, C., DeLong, S.B., Glenn, N.F., Kelly, S.A., Lague, D., Sangireddy, H., Schaffrath, K., Tarboton, D.G., Wasklewicz, T., Wheaton, J.M., 2015. Analyzing high resolution topography for advancing the understanding of mass and energy transfer through landscapes: A review. Earth-Science Reviews, 148(0), 174-193. http://dx.doi.org/10.1016/j.earscirev.2015.05.012.

McGuire, L.A., Kean, J.W., Staley, D.M., Rengers, F.K., Wasklewicz, T.A., 2016. Constraining the relative importance of raindrop- and flow-driven sediment transport mechanisms in postwildfire environments and implications for recovery time scales. Journal of Geophysical Research: Earth Surface, 121(11), 2211-2237. 10.1002/2016JF003867.

Kean, J.W., McGuire, L.A., Rengers, F.K., Smith, J.B., Staley, D.M., 2016. Amplification of postwildfire peak flow by debris. Geophysical Research Letters, 43(16), 8545-8553. 10.1002/2016GL069661. [Concept: 10%; Data: 10%; Interpretation: 10%; Writing: 10%] Bureau Approval received 10 August 2016 (IP-078640).

Staley, D. M., Gartner, J. E., and Kean, J. W., 2015, Objective Definition of Rainfall Intensity-Duration Thresholds for Post-fire Flash Floods and Debris Flows in the Area Burned by the Waldo Canyon Fire, Colorado, USA, in Lollino, G., Giordan, D., Crosta, G. B., Corominas, J., Azzam, R., Wasowski, J., and Sciarra, N., eds., Engineering Geology for Society and Territory - Volume 2, Springer International Publishing, p. 621-624. [Download File]

Staley, D.M., Wasklewicz, T.A., Kean, J.W., 2014. Characterizing the primary material sources and dominant erosional processes for post-fire debris-flow initiation in a headwater basin using multi-temporal terrestrial laser scanning data. Geomorphology 214, 324-338. [Link]

Staley, D.M., 2014. Emergency assessment of post-fire debris-flow hazards for the 2013 Springs Fire, Ventura County, California. U.S. Geological Survey Open-File Report 2014–1001. 10p. 3 plates. [Link]

Staley, D.M., Gartner, J.E., Kean, J.W., 2015. Objective Definition of Rainfall Intensity-Duration Thresholds for Post-fire Flash Floods and Debris Flows in the Area Burned by the Waldo Canyon Fire, Colorado, USA. Engineering Geology for Society and Territory - Volume 2. G. Lollino, D. Giordan, G. B. Crosta, J. Corominas, R. Azzam, J. Wasowski, and N. Sciarra (eds). Springer International Publishing: 621-624. DOI: 10.1007/978-3-319-09057-3_103 [Link]

Staley, D.M., 2013. Emergency assessment of post-fire debris-flow hazards for the 2013 Rim Fire, Stanislaus National Forest and Yosemite National Park, California. U.S. Geological Survey Open-File Report 2013–1260. 11p. 3 plates. [Link]

Staley, D.M., Gartner, J.E., Smoczyk, G.M., Reeves, R.R., 2013. Emergency Assessment of Post-Fire Debris-Flow Hazards for the 2013 Mountain Fire, Southern California. U.S. Geological Survey Open-File Report 2013–1249. 13p. 3 plates. [Link]

Staley, D.M., Smoczyk, G.M., Reeves, R.R., 2013. Emergency assessment of post-fire debris-flow hazards for the 2013 Powerhouse fire, southern California. U.S. Geological Survey Open-File Report 2013–1248. 13p. 3 plates. [Link]

Kean, J.W., McCoy, S.W., Tucker, G.E., Staley, D.M., Coe, J.A., 2013. Runoff-generated debris flows: Observations and modeling of surge initiation, magnitude, and frequency. J. of Geophy. Res.: Earth Surface 2013JF002796. [Link]

Staley, D.M., Kean, J.W., Cannon, S.H., Laber, J.L., Schmidt, K.M., 2013, Objective definition of rainfall intensity-duration thresholds for the initiation of post-fire debris flows in southern California.Landslides 10: 547-562. DOI: 10.1007/s10346-012-0341-9. [Download File]

McCoy, S.W., Kean, J.W., Coe, J.A., Tucker, G.E., Staley, D.M., Wasklewicz, T.A., 2012. Sediment entrainment by debris flows: In situ measurements from the headwaters of a steep catchment. J. Geophys. Res. 117, F03016. [Link]

Kean, J.W., Staley, D.M., Leeper, R.J., Schmidt, K.M., 2012. A low-cost method to measure the timing of post-fire flash floods and debris flows relative to rainfall. Water Resources Research 48 (5):W05516. DOI: 10.1029/2011wr011460. [Download File]

Staley, D.M., Wasklewicz, T.A., 2012, The use of airborne laser swath mapping on fans and cones: an example from the Colorado Front Range. In: Bollschweiler. M., Stoffel M., Rudolf-Miklau, F. (eds)Dating Torrential Processes on Fans and Cones: Methods and their Application for Hazard and Risk Assessment, Advances in Global Change Research 47. Springer: Berlin.pp 147 – 164. DOI: 10.1007/978-94-007-4336-6 [Download File]

Jorgensen, D.P., Hanshaw, M.N., Schmidt, K.M., Laber, J.L., Staley, D.M., Kean, J.W., Restrepo, P.J., 2011, Value of a dual-polarized gap-filling radar in support of southern California debris-flow warnings. Journal of Hydrometeorology 12(6): 1581-1595. DOI: 10.1175/jhm-d-11-05.1. [Link]

Kean, J.W., Staley, D.M., 2011, Direct measurements of the hydrologic conditions leading up to and during post-fire debris flows in southern California, USA. In: Genevois R, Hamilton DL, Prestininzi A (eds) Proceedings of the Fifth International Conference on Debris Flow Hazards Mitigation/Mechanics, Prediction, and Assessment, Padua, Italy, June 7-11, 2011. Italian Journal of Engineering Geology and Environment--Book: Casa Editrice Universita La Sapienza, Rome, Italy, pp 685-694. DOI: 10.4408/IJEGE.2011-03.B-075. [Link]

Kean, J.W., Staley, D.M., Cannon, S.H., 2011, In situ measurements of post-fire debris flows in southern California: Comparisons of the timing and magnitude of 24 debris-flow events with rainfall and soil moisture conditions. J Geophys Res 116 (F4):F04019. DOI: 10.1029/2011jf002005. [Link]

McCoy, S. W. , Coe, J. A. , Kean, J. W. , Tucker, G. E. , Staley, D. M. , and Wasklewicz, T. A., 2011, Observations of debris flows at Chalk Cliffs, Colorado, U.S.A.: Part 1, in situ measurements of flow dynamics, tracer particle movement and video imagery from the summer of 2009: , in Genevois, R., Hamilton, D.L., and Prestininzi, A., eds., Proceedings of the 5th International Conference on Debris Flow Hazards Mitigation, Mechanics, Prediction and Assessment, Padua, Italy, June 14-17, 2011, Italian Journal of Engineering Geology and Environment and Casa Editrice Universita La Sapienza, Rome, Italy, p. 715-724. DOI: 10.4408/IJEGE.2011-03.B-078. [Link]

Schmidt, K.M., Hanshaw, M.N., Howle, J.F., Kean, J.W., Staley, D.M., Stock, J.D., Bawden, G.W., 2011, Hydrologic conditions and terrestrial laser scanning of post-fire debris flows in the San Gabriel Mountains, CA, USA. In: Genevois R, Hamilton DL, Prestininzi A (eds) Proceedings of the Fifth International Conference on Debris Flow Hazards Mitigation/Mechanics, Prediction, and Assessment, Padua, Italy, June 7-11, 2011. Italian Journal of Engineering Geology and Environment--Book: Casa Editrice Universita La Sapienza, Rome, Italy, pp 583-593. DOI: 10.4408/IJEGE.2011-03.B-064.

Staley, D.M., Wasklewicz, T.A., Coe, J.A., Kean, J.W., McCoy, S.W., Tucker, G.E., 2011, Observations of debris flows at Chalk Cliffs, Colorado, USA: Part 2, changes in surface morphometry from terrestrial laser scanning in the summer of 2009. In: Genevois R, Hamilton DL, Prestininzi A (eds) Proceedings of the Fifth International Conference on Debris Flow Hazards Mitigation/Mechanics, Prediction, and Assessment, Padua, Italy, June 7-11, 2011. Italian Journal of Engineering Geology and Environment--Book: Casa Editrice Universita La Sapienza, Rome, Italy, pp 715-724. DOI: 10.4408/IJEGE.2011-03.B-083. [Link]

Cannon, S.H., Boldt, E.M., Laber, J.L., Kean, J.W., Staley, D.M., 2011, Rainfall intensity-duration thresholds for postfire debris-flow emergency-response planning. Natural Hazards 59(1): 209-236. DOI: 10.1007/s11069-011-9747-2. [Download File]

Cannon, S.H., Boldt, E.M., Kean, J.W., Laber, J.L., Staley, D.M., 2010, Relations Between Rainfall and Postfire Debris-Flow and Flood Magnitudes for Emergency-Response Planning, San Gabriel Mountains, southern California U.S. , U.S. Geological Survey Open-File Report 2010-1039, 31 p. [Link]

Coe, J.A., Kean, J.W., McCoy, S.W., Staley, D.M., Wasklewicz, T.A., 2010, Chalk Creek Valley: Colorado's Natural Debris Flow Laboratory, in, Morgan, L.A., and Quane, S., eds., Through the Generations: Geologic and Anthropogenic Field Excursions in the Rocky Mountains from Modern to Ancient: Geological Society of America Field Guide 18, p. 95-117. DOI: 10.1130/2010.0018(05)​. [Link]

McCoy, S.W., McCoy, S.W., Kean, J.W., Coe, J.A., Staley, D.M., Wasklewicz, T.A., Tucker, G.E., 2010, Evolution of a natural debris flow: In situ measurements of flow dynamics, video imagery, and terrestrial laser scanning. Geology 38(8): 735-738. DOI: 10.1130/G30928.1. [Link]

Cannon,S. H., Gartner, J. E., Rupert, M. G., Michael, J. A., Staley, D. M., Worstell, B. B., 2009, Emergency asssessment of postfire debris-flow hazards for the 2009 Station Fire, San Gabriel Mountains, Southern California: , U.S. Geological Survey Open-File Report 2009-1227, 24 p. [Link]

Benedict, J.B., Benedict, R.J., Lee, Craig M., Staley, D.M., 2008. Spruce trees from a melting ice patch; evidence for Holocene climatic change in the Colorado Rocky Mountains, USA. The Holocene, vol. 18, no. 7, pp.1067-1076. DOI: 10.1177/0959683608095578 [Link]

Wasklewicz, T.A., Staley, D.M., Mihir, M., Seruntine, L., 2007. Virtual recording of lichen species: integrating terrestrial laser scanning and GIS techniques. Physical Geography 28(2): 183-192. DOI: 10.2747/0272-3646.28.2.183. [Link]

Wohl, E.E., Cooper, D., Poff, L., Rahel F., Staley D.M., Winters, D.S., 2007 Assessment of Stream Ecosystem Function and Sensitivity in the Bighorn National Forest, Wyoming. Environmental Management40 (2):284-302. DOI: 10.1007/s00267-006-0168-z [Link]

Staley D.M., Wasklewicz T.A., 2006. Expanding the analytical potential of channel locational probability maps using cellular statistics. River Research and Applications 22 (1):27-37. DOI: 10.1002/rra.886[Download File]

Staley D.M., Wasklewicz T.A., Blaszczynski J.S., 2006. Surficial patterns of debris flow deposition on alluvial fans in Death Valley, CA using airborne laser swath mapping data. Geomorphology 74 (1-4):152-163. DOI: 10.1016/j.geomorph.2005.07.014 [Download File]