Rex Baum

Biography

Rex works as a research geologist in the Landslide Hazards Program of the U.S. Geological Survey. He is currently the chief of the Landslide Initiation Processes and Probability Project. While at the USGS he has conducted research on landslide processes, monitoring, forecasting and early warning, and hazards in the Colorado Plateau, Colorado Front Range, southern Rocky Mountains, southwest Ohio, central California, Hawaii, the Pacific Northwest, Poland, and El Salvador, Central America.

Publications

Coe, J.A., Baum, R.L., Allstadt, K.E., Kochevar, B.F., Schmitt, R.G., Morgan, M.L., White, J.L., Stratton, B., Hayashi, T.A., and Kean, J.W., 2016, Rock avalanche dynamics revealed by large-scale field mapping and seismic signals at a highly mobile avalanche in the West Salt Creek Valley, western Colorado: Geosphere, v. 12, no. 2. doi:10.1130/GES01265.1 [Link]

Alvioli, M., and Baum, R.L., 2016, Parallelization of the TRIGRS model for rainfall-induced landslides using the message passing interface: Environmental Modelling & Software, Vol. 81, July, p. 122 - 135. doi:10.1016/j.envsoft.2016.04.002 [Link]

Coe, J.A., Baum, R.L., Allstadt, K.E., Kochevar, B.F., Schmitt, R.G., Morgan, M.L., White, J.L., Stratton, B.T., Hayashi, T.A., and Kean, J.W., 2016, Map data and unmanned aircraft system imagery from the May 25, 2014 West Salt Creek rock avalanche in western Colorado: U.S. Geological Survey Data Release. [Link]

Iverson, R.M., George, D.L., Allstadt, K., Reid, M.E., Collins, B.D., Vallance, J.W., Schilling, S.P., Godt, J.W., Cannon, C.M., Magirl, C.S., Baum, R.L., Coe, J.A., Schulz, W.H., Bower, J.B., 2015, Landslide mobility and hazards: implications of the 2014 Oso disaster: Earth and Planetary Science Letters v. 412, p. 197–208, doi:10.1016/j.epsl.2014.12.020. [Link]

Baum, R.L. and Kean, J.W., 2015, Landslide Modeling and Forecasting—Recent Progress by the U.S. Geological Survey [extended abstract], in AEG Professional Forum, Time to Face the Landslide Hazard Dilemma—Bridging Science, Policy, Public Safety, and Potential Loss, Seattle Washington, February 26-27, 2015, Program with abstracts: Zanesville, Ohio, Association of Environmental and Engineering Geologists, p.57 - 64.

Gioia, Eleonora, Speranza, Gabriella, Ferretti, Maurizio, Godt, Jonathan W., Baum, Rex L., Marincioni, Fausto, 2015, Application of a process-based shallow landslide hazard model over a broad area in Central Italy: Landslides, doi: 10.1007/s10346-015-0670-6, p. 1-18. [Link]

Napolitano, E., Fusco, F., Baum, R.L., Godt, J.W., De Vita, P., 2015, Effect of antecedent-hydrological conditions on rainfall triggering of debris flows in ash-fall pyroclastic mantled slopes of Campania (southern Italy): Landslides, doi: 10.1007/s10346-015-0647-5, p. 1-17. [Link]

Baum, R.L., Schulz, W.H., Brien, D.L., Burns, W.L., Reid, M.E., and Godt, J.W., 2014, Progress in Regional Landslide Hazard Assessment—Examples from the USA, in Sassa, K., Canuti, P., and Yin, Y. (eds.), Landslide Science for a Safer Geo-Environment, v. 1, p. 21 - 36. Cham, Switzerland, Springer, DOI 10.1007/978-3-319-04999-1_2 [Link]

Baum, R.L., Highland, L.M., Lyttle, P.T., Fee, J.M., Martinez, E.M., Wald, L.A., 2014, “Report a Landslide” A Website to Engage the Public in Identifying Geologic Hazards, in Sassa, K., Canuti, P., and Yin, Y. (eds.), Landslide Science for a Safer Geo-Environment, v. 1, p. 95 - 100. Cham, Switzerland, Springer, DOI 10.1007/978-3-319-04999-1_8 [Link]

Yatheendradas, Soni, Kirschbaum, D., Baum, R.L., Godt, J.W., 2014, Evaluating a Slope-Stability Model for Shallow Rain-Induced Landslides Using Gage and Satellite Data, in Sassa, K., Canuti, P., and Yin, Y. (eds.), Landslide Science for a Safer Geo-Environment, v. 2, p. 431 - 436. Cham, Switzerland, Springer, DOI 10.1007/978-3-319-05050-8_67 [Link]

Raia, S., Alvioli, M., Rossi, M., Baum, R. L., Godt, J. W., and Guzzetti, F., 2014, Improving predictive power of physically based rainfall-induced shallow landslide models: a probabilistic approach: Geoscientific Model Development, Vol. 7, p. 495-514, doi:10.5194/gmd-7-495-2014, 2014. [Link]

Smith, J.B., Godt, J.W., Baum, R.L., Coe, J.A., Burns, W.J., Lu, N., Morse, M.M., Sener-Kaya, B., and Kaya, M., 2014, Hydrologic monitoring of a landslide-prone hillslope in the Elliott State Forest, Southern Coast Range, Oregon, 2009–2012: U.S. Geological Survey Open-File Report, 2013–1283, 61 p., http://dx.doi.org/10.3133/ofr20131283. [Link]

McKenna, J.P., Santi, P.M., and Baum, R.L., 2014, An experimental method for testing soil mobility of landslides: Geological Society of America Bulletin, Vol. 126, no. 3/4, p. 271–288; doi:10.1130/B30870.1; [Link]

Coe, J.A., Kean, J.W., Godt, J.W., Baum, R.L., Jones, E.S., Gochis, D.J., and Anderson, G.S., 2014, New insights into debris-flow hazards from an extraordinary event in the Colorado Front Range: GSA Today, v. 24, no. 10, p. 4-10. doi:10.1130/GSATG214A.1 [Link]

Godt, J.W., Coe, J.A., Kean, J.W., Baum, R.L., Jones, E.S., Harp, E.L., Staley, D.M., and Barnhart, W.D., 2014, Landslides in the northern Colorado Front Range caused by rainfall, September 11–13, 2013: U.S. Geological Survey Fact Sheet 2013–3114. DOI: 10.3133/fs20133114 [Link]

Baum, R.L., and Godt, J.W., 2013, Correction to “Estimating the timing and location of shallow rainfall-induced landslides using a model for transient, unsaturated infiltration”: Journal of Geophysical Research, Earth Surface, v. 118, 20100, doi:10.1002/jgrf.20100. [Link]

Reid, M.E., LaHusen, R.G., Baum, R.L., Kean, J.W., Schulz, W.H., and Highland, L.M., 2012, Real-time monitoring of landslides: U.S. Geological Survey Fact Sheet 2012-3008, 4 p.

Baum, R.L. Godt, J.W. Coe, J.A. and Reid, M.E., 2012, Assessment of shallow landslide potential using 1-D and 3-D slope stability analysis, in Eberhardt, E. Froese, C., Turner, A.K., and Leroueil, S. (eds), Landslides and Engineered Slopes: Protecting Society through Improved Understanding: London, Taylor & Francis Group, p. 1667 - 1672.

Godt, J.W., Coe, J.A., Baum, R.L., Highland, L.M., Keaton, J.R., and Roth, R.J. Jr., 2012, Prototype landslide hazard map of the conterminous United States, in, Eberhardt, E., Froese, C., Turner, A.K., and Leroueil, S., (eds.) Landslides and Engineered Slopes: Protecting Society through improved Understanding, CRC Press, Boca Raton, p. 245-250.

De Vita, P. Napolitano, E. Godt, J. and Baum, R. 2012, Deterministic estimation of hydrological thresholds for shallow landslide initiation and slope stability models—Case study from the Somma-Vesuvius area of southern Italy: Landslides, DOI 10.1007/s10346-012-0348-2.

Godt, J.W., Sener-Kaya, B., Lu, N., and Baum, R.L., 2012, Stability of infinite slopes under transient partially saturated seepage conditions: Water Resources Research, v. 48, p. WR011408.

Baum, R.L., Godt, J.W., and Coe, J.A., 2011, Assessing susceptibility and timing of shallow landslide and debris flow initiation in the Oregon Coast Range, USA, In Genevois, R. Hamilton, D.L. and Prestininzi, A. (eds.) Proceedings of the Fifth International Conference on Debris Flow Hazards Mitigation—Mechanics, Prediction, and Assessment, Padua, Italy, June 7-11, 2011, p. 825-834. Rome: Casa Editrice Universitá La Sapienza (doi: 10.4408/IJEGE.2011-03.B-090).

Collins, B.D., Baum, R.L., Mrozek, Teresa, Nescieruk, Piotr, Rączkowski, Wojciech, Perski, Zbigniew, and Graniczny, Marek, 2011, Evaluation of Landslide Monitoring in the Polish Carpathians: U. S. Geological Survey Open File Report 2011-1001, 31 p.

Baum, R. L., Godt, J.W., and Savage, W. Z., 2010, Estimating the timing and location of shallow rainfall-induced landslides using a model for transient, unsaturated infiltration: Journal of Geophysical Research, Earth Surface. v. 115, F03013, doi:10.1029/2009JF001321

Baum, R. L. and Godt, J. W., 2010, Early warning of rainfall-induced shallow landslides and debris flows in the USA: Landslides, v. 7 no. 3, p. 259-272. DOI 10.1007/s10346-009-0177-0

Coe J.A., McKenna, J.P., Godt, J.W., and Baum, R.L., 2009, Basal-topographic control of stationary ponds on a continuously moving landslide: Earth Surface Processes and Landforms, v. 34, no. 2, p. 264-279, DOI 10.1002/esp.1721.

Godt, J.W., Baum, R.L., and Lu, Ning, 2009, Landsliding in partially saturated materials: Geophysical Research Letters, v. 36, L02403, doi:10.1029/2008GL035996, 5p.

Baum, R.L., 2009, Review of recent slope stability studies at Snodgrass Mountain, Colorado: U.S. Geological Survey Administrative Report, 33 p.

Salciarini, Diana, Godt, J.W., Savage, W.Z., Baum, R.L., and Conversini, Pietro, 2008, Modeling landslide recurrence in Seattle, Washington, USA: Engineering Geology, v. 102, no. 3-4, Landslide Susceptibility, Hazard and Risk Zoning for Land Use Planning, p. 227-237, DOI: 10.1016/j.enggeo.2008.03.013.

Godt, J.W., Baum, R.L., Savage, W.Z., Salciarini, D., Schulz, W.H., and Harp, E.L., 2008, Transient deterministic shallow landslide modeling—Requirements for susceptibility and hazard assessments in a GIS framework: Engineering Geology, v. 102, no. 3-4, Landslide Susceptibility, Hazard and Risk Zoning for Land Use Planning, p. 214-226, DOI: 10.1016/j.enggeo.2008.03.019.

Reid, M.E., Baum, R.L., LaHusen, R.G., and Ellis, W.L., 2008, Capturing landslide dynamics and hydrologic triggers using near-real-time monitoring, in Chen, Z., Zhang, J., Li, Z., Wu, F., and Ho, K., eds., Landslides and engineered slopes from the past to the future, Proceedings of the Tenth International Symposium on Landslides and Engineered Slopes, 30 June–4 July 2008, Xi’an, China, v. 1, p. 179-191: London, Taylor and Francis.

Baum, R.L., Galloway, D.L., and Harp, E.L., 2008, Landslide and land subsidence hazards to pipelines: U.S. Geological Survey, Open File Report 2008-1164, 192 p.

Baum, R.L., Savage, W.Z., and Godt, J.W., 2008, TRIGRS—A Fortran program for transient rainfall infiltration and grid-based regional slope-stability analysis, version 2.0: U.S. Geological Survey Open-File Report, 2008-1159, 75 p.

Godt, J.W., Schulz, W.H., Baum, R.L., and Savage, W.Z., 2008 , Modeling rainfall conditions for shallow landsliding in Seattle, Washington, in Baum, R.L., Godt, J.W., and Highland, L.M., eds., Engineering geology and landslides of the Seattle, Washington, area: Geological Society of America Reviews in Engineering Geology, v. XX, p.137-152, doi: 10.1130/2008.4020(08)

Chleborad, A.F., Baum, R.L., and Godt, J.W., 2008, A prototype system for forecasting landslides in the Seattle, Washington, Area, in Baum, R.L., Godt, J.W., and Highland, L.M., eds., Engineering geology and landslides of the Seattle, Washington, area: Geological Society of America Reviews in Engineering Geology v. XX, p. 103-120, doi: 10.1130/2008.4020(06).

Schulz, W.H., Highland, L.M., Ellis, W.L., Gori, P.L., Baum, R.L., Coe, J.A., and Savage, W.Z., 2007, The Slumgullion landslide, Hinsdale County, Colorado, in: D.C. Noe and J.A., Coe, eds., Field Trip Guidebooks, First North American Landslide Conference, Vail, Colorado, June, 2007: Association of Environmental and Engineering Geologists Special Publiation Number 21 and Colorado Geological Survey Special Publication 56.

Baum R.L., Lidke, D.J., and Hart, M., 2007, Grand Mesa landslide complex, in Noe, D.C. & Coe, J.A., eds., Field Trip Guide Books, First North America Landslide Conference: Association of Environmental and Engineering Geologists Special Publication 21 and Colorado Geological Survey Special Publication 56.

Baum, R.L., 2007, Landslide Warning Capabilities in the United States—2006: Proceedings of the 1st North America Landslide Conference, Vail, Colorado, June 3-8, 2007, 13 p., Association of Engineering Geologists Special Publication 23, CD-ROM

Baum, R.L., Harp, E.L., and Highland, L.M., 2007, Landslide hazards in the Seattle, Washington, area: U.S. Geological Survey Fact Sheet 2007–3005, 4 p.

Salciarini, D., Godt, J.W., Savage, W.Z., Conversini, P., Baum, R.L., and Michael, J.A., 2006, Modeling regional initiation of rainfall-induced shallow landslides in the eastern Umbria Region of central Italy: Landslides, v. 3, no. 3, p. 181-194, DOI 10.1007/s10346-006-0037-0

Chleborad, A.F., Baum, R.L., and Godt, J.W., 2006, Rainfall thresholds for forecasting landslides in the Seattle, Washington, Area—Exceedance and Probability: U.S. Geological Survey Open-File Report 2006-1064.

Baum, R.L., Coe, J.A., Godt, J.W., Harp, E.L., Reid, M.E. Savage, W.Z., Schulz, W.H., Brien, D.L., Chleborad, A.F., McKenna, J.P., and Michael, J.A., 2005, Regional Landslide-Hazard Assessment for Seattle, Washington, USA: Landslides, v. 2, no. 4, p. 266-279, DOI: 10.1007/s10346-005-0023-y

Godt, J.W., Baum, R.L, and Chleborad, A.F., 2005, Rainfall characteristics for shallow land sliding in Seattle, Washington, USA: Earth Surface Processes and Landforms, DOI: 10.1002/esp.1237.

Baum, R.L., Godt, J.W., Harp, E.L., McKenna, J.P., and McMullen, S.R., 2005, Early Warning of Landslides for Rail Traffic Between Seattle and Everett, Washington, USA in Hungr, O., Fell, R., Couture, R., and Bernhard, E., eds., Landslide Risk Management, Proceedings of the 2005 International Conference on Landslide Risk Management: New York, A.A. Balkema, p. 731-740.

Baum, R.L., McKenna, J.P., Godt, J.W., Harp, E.L., and McMullen, S.R., 2005, Hydrologic monitoring of landslide-prone coastal bluffs near Edmonds and Everett, Washington, 2001–2004: U.S. Geological Survey Open-File Report 2005-1063, 42 p.

Savage, W.Z., and Baum, R.L., 2005, Instability of steep slopes, Chapter 4 in Jacob, M. and Hungry, O., Debris Flow Hazards and Related Phenomena: Chichester, U.K., Praxis Publishing House and Springer-Verlag, p. 53-79.

Jibson, R.W., Crone, A.J., Harp, E.L., Baum, R.L., Major, J.J., Pulling, C.R., Escobar, C.D., Martinez, M., and Smith, M.E., 2004, Landslides triggered by the 13 January and 13 February earthquakes in El Salvador in Rose, W.I., Bummer, J.J., Lopez, D.L., Carr, M.J., and Major, J.J., eds., Natural hazards in El Salvador: Boulder, Colorado, Geological Society of America Special Paper 375, p. 69-88.

Coe, J.A., Godt, J.W., Baum, R.L., Buckram, R.C., and Michael, J.A., 2004, Landslide susceptibility from topography in Guatemala, in Lacerda, W.A., Erlich, M., Fonterra, S.A.B., and Sayao, A.S.F., eds., Landslides—evaluation and stabilization, Proceedings of the 9th International Symposium on Landslides: London, A.A. Balkema Publishers, v. 1, p. 69-78.

Savage, W.Z., Godt, J.W., and Baum, R.L., 2004, Modeling time-dependent aerial slope stability, in Lacerda, W.A., Erlich, M., Fontoura, S.A.B., and Sayao, A.S.F., eds., Landslides—evaluation and stabilization, Proceedings of the 9th International Symposium on Landslides: London, A.A. Balkema Publishers, v. 1, p. 23-36.

Baum, R.L., Savage, W.Z., and Wasowski, J., 2004, Mechanics of earthflows: Proceedings of the International Workshop on Occurence and Mechanisms of Flow-Like Landslides in Natural Slopes and Earthfills, Associazione Geotechnica Italiana, L. Picarelli, ed., Sorrento, Italy, May 14-16, 2003, p.185-190, Patron editore, Bologna. Also on-line at http://www.unina2.it/flows2003/flows2003/articoli/articoli.htm

Baum, R.L., 2003, Earth Flows in Middleton, G.V., Church, M.J., Coniglio, M., Hardie, L.A., and Longstaffe, F.J., eds., Encyclopedia of Sediments and Sedimentary Rocks: Dordrect, Netherlands, Kluwer Academic Publishers, p. 247-248.

Savage, W.Z., Godt, J.W., and Baum, R.L., 2003, A model for spatially and temporally distributed shallow landslide initiation by rainfall infiltration, in Rickenmann, D. and Chen, C., eds., Debris-Flow Hazards Mitigation—Mechanics, Prediction, and Assessment: Rotterdam, Millpress (Proceedings of the 3rd International conference on Debris Flow Hazards, Davos, Switzerland, September 10-13, 2003), p. 179-187.

Baum, R.L., and Odum, J.K., 2003, Retrogressive slumping at Grand Mesa, Colorado, in Boyer, D.D., Santi, P.S., and Rogers, W.P., eds., Engineering Geology in Colorado Contributions, Trends and Case Histories: Association of Engineering Geologists Special Publication No. 15 and Colorado Geological Survey Special Publication 55, (CD-ROM), 17 p.

Baum, R.L., Savage, W.Z., and Godt, J.W., 2002, TRIGRS--A FORTRAN Program for Transient Rainfall Infiltration and Grid-Based Regional Slope-Stability Analysis: U.S. Geological Survey Open-File Report 02-0424, 35 p., 2 appendices.

Crone, A.J., Baum, R.L., Lidke, D.J., Sather, D.N.D., Bradley, Lee-Ann; Tarr, A.C., 2001 [2002], Landslides induced by Hurricane Mitch in El Salvador--An inventory and descriptions of selected features: U. S. Geological Survey, Report, OF 01-0444, 24 p., 11 sheets

Baum, R.L., and Fleming, R.W., 2001, Borehole, surface geologic, and geotechnical data for the Aspen Grove landslide, Sanpete County, Utah: U.S. Geological Survey Open-File Report 01-413, 11 p., 2 appendices.

Baum, R.L., Harp, E.L., Michael, J.A., and Roberds, W.J., 2001, Regional landslide hazard assessment—An example from Seattle, Washington, in M. Zoghi, ed., Slipslidin' away—Contemporary solutions to land mass stabilization: proceedings of the ninth Great Lakes Geotechnical and Geoenvironmental Conference, Dayton, Ohio. Section III, p. 1-21.

Baum, R.L., Crone, A.J., Escobar, Demetreo, Harp, E.L., Major, J.J., Martinez, Mauricio, Pullinger, Carlos, and Smith, M.E., 2001, Assessment of Landslide Hazards Resulting from the February 13, 2001, El Salvador Earthquake: U.S. Geological Survey Open-file Report 01-0119, 20 p.

Baum, R.L., and Reid, M.E., 2000, Groundwater isolation by low-permeability clays in landslide shear zones, in Bromhead, E., Dixon, N, and Ibsen, M., eds., Landslides in Research, Theory and Practice, Proceedings of the 8th International Symposium on Landslides: London, Thomas Telford p. 139-144.

Baum, R.L., Harp, E.L., and Hultman, W.A., 2000, Map showing recent and historic landslide activity on coastal bluffs of Puget Sound between Shilshole Bay and Everett, Washington, U.S. Geological Survey Miscellaneous Field Studies Map, MF 2346, 1 sheet, 1:24,000. http://pubs.usgs.gov/mf/2000/mf-2346/

Savage, W.Z., Baum, R.L., Morrissey, M.M., and Arndt, B.P., 2000, Finite-element analysis of the Woodway landslide, Washington: U.S. Geological Survey Bulletin 2180, 9 p.

Savage, W.Z., Morrissey, M.M., and Baum, R.L., 2000, Geotechnical properties for landslide prone Seattle area glacial deposits: U.S. Geological Survey Open-File Report 00-228, 5 p.

Baum, R.L., 2000, Computer Programs for Limit-Equilibrium Slope-Stability Analysis--FelleniusGS, BishopGS, and JanbuGS: U.S. Geological Survey Open-File Report 00-107.

Reid, M.E., Ellen, S.D., Fleming, R.W., and Wilson, R.C., Baum, R.L., 1999, Landslides and debris flows near Honolulu, Hawaii, USA, in Sassa, K, ed., Landslides of the World: Kyoto, Japan, Kyoto University Press, p. 257-260.

Fleming, R.W., Baum, R.L., and Giardino, Marco, 1999, Map and description of the active part of the Slumgullion landslide, Hinsdale County, Colorado, U.S. Geological Survey Geologic Investigations Map, I-2672, 3 sheets + pamphlet, 1:1000.

Baum, R.L., Schuster, R.L., and Godt, J.W., 1999, Map showing locations of damaging landslides in Santa Cruz County, California, resulting from 1997-98 El Niño rainstorms: U.S. Geological Survey Miscellaneous Investigations Series MF-2325-D, 1:125,000.

Jibson, R.W., and Baum, R.L., 1999, Assessment of Landslide Hazards in Kaluanui and Maakua Gulches, Oahu, Hawaii, following the 9 May 1999 Sacred Falls Landslide: U.S. Geological Survey Open File Report 99-364, 9 p.

Schuster, R.L., Baum, R.L., and Highland, L.M., 1998, The April 1998 El Niño-triggered Anzar Road landslide, San Benito County, California: AEG News v. 41, no 4., p. 5-7.

Baum, R.L., Harp, E.L., Lahusen, R.G., Likos, W.J., and Powers, P.S., 1998, Real-time monitoring of bluff stability at Woodway, Washington, USA: in Evangelista, A., and Picarelli, L., eds., The Geotechnics of Hard Soils—Soft Rocks, Proceedings of the Second International Symposium on Hard Soils--Soft Rocks, Naples Italy, October, 12-14, 1998. v. 2, p. 1057-1065.

Baum, R.L., Chleborad, A.F., and Schuster, R.L., 1998, Landslides triggered by the December 1996 and January 1997 storms in the Puget Sound area, Washington: U.S. Geological Survey Open-file Report 98-239, 16 p.

Baum, R.L., 1996, Slope stability of proposed ski facilities at the southeast side of Snodgrass Mountain, Gunnison County, Colorado: U.S. Geological Survey Open-file Report 96-701, 10 p.

Baum, R.L., 1996, Review of proposed hillside development control overlay district regulations for Anderson Township, Hamilton County, Ohio: U.S. Geological Survey Administrative Report to the Federal Emergency Management Agency, November 7, 6 p.

Baum, R.L., 1996, Review of engineering report and remediation proposal for Lawyer's Pointe landslide, Anderson Township, Hamilton County, Ohio: U.S. Geological Survey Administrative Report to the Federal Emergency Management Agency, September 10, 7 p.

Fleming, R.W., Baum, R.L., and Savage, W.Z., 1996, The Slumgullion landslide, Hinsdale County, Colorado, in, Thompson, R.A., Hudson, M.R., and Pillmore, C.L., eds., Geologic Excursions to the Rocky Mountains and Beyond: Geological Society of America Special Publication 44, Annual meeting. 21 p. (on CD-ROM).

Baum, R.L., and Odum, J.K., 1996, Geologic map of slump-block deposits in part of the Grand Mesa Area, Delta and Mesa Counties, Colorado: U.S. Geological Survey Open-File Report 96-017, 12 p., 2 oversize plates, 1:24,000.

Baum, R.L., and Ellis, W.L., 1995, Review of slope stability issues at the Proposed Carlota Copper Project, Pinal and Gila Counties, Arizona: U.S. Geological Survey Open-File Report 95-617, 16 p.

Baum, R.L., and Fleming, R.W., 1996, Kinematic studies of the Slumgullion landslide in Varnes, D.J., and Savage, W.Z., editors, The Slumgullion earth flow--A large-scale natural laboratory: U.S. Geological Survey Bulletin 2130, ch. 2, p. 9-12.

Baum, R.L., and Johnson, A.M., 1996, Overview of landslide problems, research and mitigation, chap. A of Landslides of the Cincinnati, Ohio, Area: U.S. Geological Survey Bulletin 2059-A, p. A1-A33.

Baum, R.L., Messerich, James, and Fleming, R.W., 1998, Surface deformation of slow-moving, clay-rich landslides, Honolulu, Hawaii: Engineering and Environmental Geoscience, v.4, no. 3, p. 283-306.

Baum, R.L., and Reid, M.E., 1995, Geology, hydrology, and mechanics of a slow-moving, clay-rich landslide, Honolulu, Hawaii: GSA Reviews in Engineering Geology X, p. 79-105.

Baum, R.L., 1994, The contribution of artesian water to the progressive failure of the upper part of the Delhi Pike landslide complex, Cincinnati, Ohio, chap. D of Landslides of the Cincinnati, Ohio, area: U.S. Geological Survey Bulletin 2059-D, p. D1-D14.

Baum, R.L., Fleming, R.W., and Johnson, A.M., 1993 [1994], Kinematics of the Aspen Grove landslide, Ephraim Canyon, central Utah, chap. F of Landslide processes in Utah--Observation and theory: U.S. Geological Survey Bulletin 1842, p. F1-F34.

Baum, R.L., and Johnson, A.M., 1993, Steady movement of landslides in fine-grained soils--A model for sliding over an irregular slip surface, chap. D of Landslide processes in Utah--Observation and theory: U.S. Geological Survey Bulletin 1842, p. D1-D28.

Fleming, R.W., Baum, R.L., and Johnson, A.M., 1993, Deformation of landslide surfaces as indicators of movement processes, in Proceedings of the 2nd Seminar on Landslide Hazards, Cosenza, Italy, March 5-6, 1990: Geografica Fisica e Dinamica Quaternaria, v. 16, no. 1, p. 9-11.

Baum, R.L., and Reid, M.E., 1992, Geology, hydrology, and mechanics of the Alani-Paty landslide, Manoa Valley, Oahu, Hawaii: U.S. Geological Survey Open-File Report 92-501, 87 p., 6 plates.

Baum, R.L., Reid, M.E., Wilburn, C.A., and Torikai, J.D., 1991, Summary of geotechnical and hydrologic data collected from May 1, 1990 through April 30, 1991, for the Alani-Paty landslide, Manoa Valley, Honolulu, Hawaii: U.S. Geological Survey Open-File Report 91-598, 102 p.

Reid, M.E., Ellen, S.D., Baum, R.L., Fleming, R.W., and Wilson, R.C., 1991, Landslides and debris flows near Honolulu, Hawaii, USA: Landslide News, Japan Landslide Society, no. 5, p. 28-30.

Baum, R.L., and Fleming, R.W., 1991, Use of longitudinal strain in identifying driving and resisting elements of landslides: Geological Society of America Bulletin, v. 103, p. 1121-1132 and supplemental data.

Baum, R.L., Spengler, S.R., Torikai, J.D., and Liu, L.A.S.M., 1990, Summary of geotechnical and hydrologic data collected through April 30, 1990, for the Alani-Paty landslide, Manoa Valley, Honolulu, Hawaii: U.S. Geological Survey Open-File Report 90-531, 67 p.

Baum, R.L., Fleming, R.W., and Ellen, S.D., 1989, Maps showing landslide features and related ground deformation in the Woodlawn area of Manoa Valley, City and County of Honolulu, Hawaii: U.S. Geological Survey Open-File Report 89-290, 16 p. + 2 oversize plates.

Baum, R.L., and Fleming, R.W., 1989, Landslides and debris flows in Ephraim Canyon, central Utah, chap. C of Landslide processes in Utah--Observation and theory: U.S. Geological Survey Bulletin 1842, p. C1-C12, 1 oversize plate.

Baum, R.L., Johnson, A.M., and Fleming, R.W., 1988, Measurement of slope deformation using quadrilaterals, chap. B of Landslide processes in Utah--Observation and theory: U.S. Geological Survey Bulletin 1842, p. B1-B23.

Johnson, A.M., and Baum, R.L., 1987, BASIC programs for computing displacements, strains, and tilts from quadrilateral measurements: U.S. Geological Survey Open-File Report 87-343, 19 p.

Science and Products

Publications

Pre-USGS Publications

Rock avalanche dynamics

Rex Baum

Biography

Integrating real-time subsurface hydrologic monitoring with empirical rainfall thresholds to improve landslide early warning

THRESH—Software for tracking rainfall thresholds for landslide and debris-flow occurrence, user manual

Results of hydrologic monitoring of a landslide-prone hillslope in Portland’s West Hills, Oregon, 2006–2017

Precipitation thresholds for landslide occurrence near Seattle, Mukilteo, and Everett, Washington

Effects of topographic data quality on estimates of shallow slope stability using different regolith depth models

Map data and Unmanned Aircraft System imagery from the May 25, 2014 West Salt Creek rock avalanche in western Colorado

Elucidating the role of vegetation in the initiation of rainfall-induced shallow landslides: Insights from an extreme rainfall event in the Colorado Front Range

The influence of vegetation cover on debris-flow density during an extreme rainfall in the northern Colorado Front Range

Rock-avalanche dynamics revealed by large-scale field mapping and seismic signals at a highly mobile avalanche in the West Salt Creek valley, western Colorado

Effect of antecedent-hydrological conditions on rainfall triggering of debris flows in ash-fall pyroclastic mantled slopes of Campania (southern Italy)

Landslide mobility and hazards: implications of the 2014 Oso disaster

Introduction: Hazard mapping

Pre-USGS Publications