Roman DiBiase CV

Education

2011: Ph.D., Geological Sciences, Arizona State University

2005: B.A., Geophysics, University of California, Berkeley

Appointments

2020-present: Rudy L. Slingerland Early Career Professor in the College of Earth and Mineral Sciences

2021-present: Associate Professor, Department of Geosciences, Pennsylvania State University

2014-2021: Assistant Professor, Department of Geosciences, Pennsylvania State University

2011-2014: Postdoctoral Scholar in Geology, California Institute of Technology

Honors and awards

2020: Rudy L. Slingerland Early Career Professorship, Penn State College of Earth and Mineral Sciences

2019: NSF CAREER Award

2013: Editors’ citation for excellence in refereeing for JGR-Earth Surface

2010-2011: Achievement Rewards for College Scientists (ARCS) Fellowship, Arizona State University

2006-2008: Arizona State University Graduate Scholar Fellowship

Funded projects and grants

2022-2024: “Level 2 Geomorphon and Valley Confinement Mapping” Pennsylvania Department of Environmental Protection (Co-I, w/X. Niu, $188,770)

2021-2024: “Collaborative Research: GP-UP: GNOMES: A near surface geophysics field experience to improve the recruitment and retention of under-represented minority students in the geosciences” NSF ICER-2119867 (PI, $30,711)

2020-2024: “GEMT: Collaborative Research: From grain to rock and back again: Elucidating the coordinated evolution of exhumation pathways, rock strength, and topography in the Taiwanese orogen” NSF EAR-1933203 (PI, w/D. Fisher, $471,887)

2019-2024: “CAREER: Quantifying the controls of wildfire, climate, and tectonics on the transition between soil-mantled and bedrock hillslopes” NSF EAR-1848321 (PI, $541,960)

2019–2021: “Wetland Program Development in Support of Pennsylvania’s Aquatic Resource Protection and Management Action Plan, Program Focus Area 3: Headwater Aquatic Resource Reference System” Pennsylvania Department of Environmental Protection (Co-I, w/S. Brantley, X. Niu, and D. Waldrop, $339,148)

2019-2020: “UAV-assisted geomorphic and structural surveys of river corridors in the Taiwan Central Range” Penn State Office of Global Programs (PI, $5,000)

2018-2019: “Coring of pre-Holocene sediments at Bear Meadows: A coupled record of paleoclimate, paleoecology, and hillslope erosion?” Penn State Institutes of Energy and the Environment (PI, $10,000)

2018: “Quaternary landscape evolution of the southern Afar Depression, Ethiopia” Purdue University PRIME Lab Seed Grant (Co-I, w/E. DiMaggio and R. Arrowsmith, $11,240)

2016-2021: “Fracture density and grain size controls on the relief structure of bedrock landscapes” NSF EAR-1608014 (PI, $315,052)

Refereed Publications

Citation metrics available from Google Scholar: https://scholar.google.com/citations?user=Wa5gdkwAAAAJ
* indicates supervised graduate student author
** indicates supervised undergraduate student author

[32] *Neely, A.B., and DiBiase, R.A., in press. Sediment controls on the transition from debris flow to fluvial channels in steep mountain ranges. Earth Surface Processes and Landforms, doi:10.1002/esp.5553

[31] Whipple, K.X., DiBiase, R.A., Crosby, B., and Johnson, J.P.L., 2022. Bedrock Rivers, in Treatise on Geomorphology (Second Edition), Vol. 6.2, Shroder, J., Jr., Wohl, E. (Eds.). Academic Press: San Diego, CA, doi:10.1016/B978-0-12-818234-5.00101-2

[30] *Del Vecchio, J., DiBiase, R.A., Corbett, L.B., Bierman, P.R., Caffee, M.W., and Ivory, S.J., 2022. Increased erosion rates following the onset of Pleistocene periglaciation at Bear Meadows, Pennsylvania, USA, Geophysical Research Letters 49(4), doi:10.1029/2021GL096739

[29] Marcon, V., Hoagland, B., Gu, X., Liu, W., Kaye, J., DiBiase, R.A., and Brantley, S., 2021. How the capacity of bedrock to collect dust and produce soil affects phosphorus bioavailability in the northern Appalachian Mountains of Pennsylvania, Earth Surface Processes and Landforms 46(14), p. 2807-2823, doi:10.1002/esp.5209

[28] *Neely, A.B., and DiBiase, R.A., 2020. Drainage area, bedrock fracture spacing, and weathering controls on landscape-scale patterns in surface sediment grain size, Journal of Geophysical Research-Earth Surface 125, e2020JF005560doi:10.1029/2020JF005560

[27] DiBiase, R.A., and Lamb, M.P., 2020. Dry sediment loading of headwater channels fuels post-wildfire debris flows in bedrock landscapes, Geology 48, p. 189-193, doi:10.1130/G46847.1

[26] Kaye, J.P., Brantley, S.L., Williams, J.Z., and the SSHCZO team, 2019. Ideas and perspectives: Proposed best practices for collaboration at cross-disciplinary observatories, Biogeosciences 16, p. 4661-4669, doi:10.5194/bg-16-4661-2019

[25] Xiao, D., Shi, Y., Brantley, S., Forsythe, B., DiBiase, R.A., Davis, K., Li, L., 2019. Streamflow generation from catchments of contrasting lithologies: the role of soil properties, topography, and catchment size, Water Resources Research 55, p. 9234-9257, doi:10.1029/2018WR023736

[24] *Neely, A.B., DiBiase, R.A., Corbett, L.B., Bierman, P.R., and Caffee, M.W., 2019. Bedrock fracture density controls on hillslope erodibility in steep, rocky landscapes with patchy soil cover, southern California, USA, Earth and Planetary Science Letters 522, p. 186-197, doi:10.1016/j.epsl.2019.06.011

[23] Chen, Y., DiBiase, R.A., *McCarroll, N., and Liu, X., 2019. Quantifying flow resistance in mountain streams using computational fluid dynamics modeling over structure-from-motion photogrammetry derived microtopography, Earth Surface Processes and Landforms 44, p. 1973-1987, doi:10.1002/esp.4624

[22] DiBiase, R.A., Denn, A.R., Bierman, P.R., Kirby, E., West, N., and Hidy, A.J., 2018. Stratigraphic control of landscape response to base-level fall, Young Womans Creek, Pennsylvania, USA, Earth and Planetary Science Letters 504, p. 163-173, doi:10.1016/j.epsl.2018.10.005

[21] Brantley, S.L., White, T., West, N., Williams, J.Z., Forsythe, B., Shapich, D., Kaye, J., Lin, H., Shi, Y., Kaye, M., Herndon, E., Davis, K., He, Y., Eissenstat, D., Weitzman, J., DiBiase, R.A., Li, L., Reed, W., Brubaker, K., and Gu, X., 2018. Susquehanna Shale Hills Critical Zone Observatory: Shale Hills in the Context of Shaver’s Creek Watershed, Vadose Zone Journal 17, 180092, doi:10.2136/vzj2018.04.0092

[20] *Del Vecchio, J., DiBiase, R.A., Denn, A.R., Bierman, P.R., Caffee, M.W., and Zimmerman, S.R., 2018. A record of coupled hillslope and channel response to Pleistocene erosion and deposition in a sandstone headwater valley, central Pennsylvania, GSA Bulletin 130, p. 1903-1917, doi:10.1130/B31912.1

[19] DiBiase, R.A., 2018. Short Communication: Increasing vertical attenuation length of cosmogenic nuclide production on steep slopes negates topographic shielding corrections for catchment erosion rates, Earth Surface Dynamics 6, p. 923-931, doi:10.5194/esurf-6-923-2018

[18] Li, L., DiBiase, R.A., *Del Vecchio, J., Marcon, V., Hoagland, B., Xiao, D., Wayman, C., Tang, Q., He, Y., *Silverhart, P., Forsythe, B., Williams, J.Z., Shapich, D., Mount, G.J., Kaye, J., Guo, L., Lin, H., Eissenstat, D., Dere, A., Brubaker, K., Kaye, M., Davis, K., and Brantley, S., 2018. Investigating the effect of lithology and agriculture at the Susquehanna Shale Hills Critical Zone Observatory (SSHCZO): The Garner Run and Cole Farm subcatchments, Vadose Zone Journal 17, 180063, doi:10.2136/vzj2018.03.0063

[17] DiBiase, R.A., Rossi, M.W., and *Neely, A.B., 2018. Fracture density and grain size controls on the relief structure of bedrock landscapes, Geology 46, p. 399-402, doi:10.1130/G40006.1

[16] Scherler, D., DiBiase, R.A., Fisher, G.B., and Avouac, J.P., 2017. Testing monsoonal controls on bedrock river incision in the Himalaya and Eastern Tibet with a stochastic-threshold stream power model, Journal of Geophysical Research-Earth Surface 122, p. 1389-1429 doi:10.1002/2016JF004011

[15] DiBiase, R.A., Lamb, M.P., Ganti, V., and Booth, A.M., 2017. Slope, grain size, and roughness controls on dry sediment transport and storage on steep hillslopes, Journal of Geophysical Research-Earth Surface 122, p. 941-960 doi:10.1002/2016JF003970

[14] Whipple, K.X., Forte, A.M., DiBiase, R.A., Gasparini, N.M., and Ouimet, W.B., 2017. Timescales of landscape response to divide migration and drainage capture: Implications for the role of divide mobility in landscape evolution, Journal of Geophysical Research-Earth Surface 122, p. 248-273 doi:10.1002/2016JF003973

[13] Whipple, K.X., DiBiase, R.A., Ouimet, W.B., and Forte, A.M., 2017. Preservation or piracy: Diagnosing low-relief, high-elevation surface formation mechanisms, Geology 45, p. 91-94  doi:10.1130/G38490.1

[12] Brantley, S.L., DiBiase, R.A., Russo, T., Shi, Y., Lin, H., Davis, K.J., Kaye, M., Hill, L., Kaye, J., Neal, A.L., Eissenstat, D., Hoagland, B., and Dere, A., 2016. Designing a suite of measurements to understand the critical zone, Earth Surface Dynamics 4, p. 211-235 doi:10.5194/esurf-4-211-2016.

[11] DiBiase, R.A., Whipple, K.X., Lamb, M.P., and Heimsath, A.M., 2015. The role of waterfalls and knickzones in controlling the style and pace of landscape adjustment in the western San Gabriel Mountains, California, Geological Society of America Bulletin 127, p. 539-559, doi:10.1130/B31113.1.

[10] DiBiase, R.A., Limaye, A.B., Scheingross, J.S., Fischer, W.W., and Lamb, M.P., 2013. Deltaic deposits at Aeolis Dorsa: Sedimentary evidence for a large body of water in the northern plains of Mars, Journal of Geophysical Research-Planets 118, p. 1285-1302, doi:10.1002/jgre.20100.

[9] Whipple, K.X., DiBiase, R.A., and Crosby, B.T., 2013. Bedrock Rivers, in Treatise on Geomorphology, Vol. 9, Shroder, J., Jr., Wohl, E. (Eds.). Academic Press: San Diego, CA, doi:10.1016/B978-0-12-374739-6.00254-2.

[8] Lamb, M.P., Levina, M., DiBiase, R.A., and Fuller, B., 2013. Sediment storage by vegetation in steep, bedrock landscapes: Theory, experiments, and implications for post-fire sediment yield, Journal of Geophysical Research-Earth Surface 118, p. 1147-1160, doi:10.1002/jgrf.20058.

[7] DiBiase, R.A., and Lamb, M.P, 2013. Vegetation and wildfire controls on sediment yield in bedrock landscapes, Geophysical Research Letters 40, p. 1093-1097, doi:10.1002/grl.50277.

[6] DiBiase, R.A., Heimsath, A.M., and Whipple, K.X, 2012. Hillslope response to tectonic forcing in threshold landscapes, Earth Surface Processes and Landforms 37, p. 855-865, doi:10.1002/esp.3205.

[5] Dixon, J.L., Hartshorn, A.S., Heimsath, A.M., DiBiase, R.A., and Whipple, K.X., 2012. Chemical weathering response to tectonic forcing: A soils perspective from the San Gabriel Mountains, California, Earth and Planetary Science Letters 323, p. 40-49, doi:10.1016/j.epsl.2012.01.010.

[4] Heimsath, A.M., DiBiase, R.A., and Whipple, K.X, 2012. Soil production limits and the transition to bedrock dominated landscapes, Nature Geoscience 5, p. 210-214, doi:10.1038/ngeo1380.

[3] DiBiase, R.A. and Whipple, K.X, 2011. The influence of erosion thresholds and runoff variability on the relationships among topography, climate, and erosion rate, Journal of Geophysical Research-Earth Surface 116, F04036, doi:10.1029/2011JF002095.

[2] Norton, K.P., von Blanckenburg, F., DiBiase, R., Schlunegger, F., and Kubik, P.W., 2011. Cosmogenic 10Be-derived denudation rates of the Eastern and Southern European Alps, International Journal of Earth Sciences, doi:10.1007/s00531-010-0626-y.

[1] DiBiase, R.A., Whipple, K.X, Heimsath, A.M., and Ouimet, W.B., 2010. Landscape form and millennial erosion rates in the San Gabriel Mountains, CA, Earth and Planetary Science Letters 289, p. 134-144, doi:10.1016/j.epsl.2009.10.036.

Other Publications

*Neely, A.B., DiBiase, R.A., and **Loucks, E.A., 2021. McKittrick Canyon Reef Trail strat section, Guadalupe Mtns Nat. Park, TX. Distributed by OpenTopography. doi:10.5069/G99C6VM6

*Carr, J.C., *Neely, A.B., *Del Vecchio, J., Greenberg, E., and DiBiase, R.A., 2021. Steep Headwater-Colluvial Channels, Day Creek, San Gabriel Mountains CA, US. Distributed by OpenTopography. doi:10.5069/G9F47MBX

Lohse, K.A., Billings, S., DiBiase, R.A., Kumar, P., Berhe, A.A., and Kaye, J., 2020. Soil signals tell of landscape disturbances, EOS 101, p. 25–29 doi:10.1029/2020EO148736

DiBiase, R.A., and Ferrier, K.L., 2020. Southern California Bedrock Landscapes 2015 Airborne Lidar. National Center for Airborne Laser Mapping (NCALM), distributed by OpenTopography, doi:10.5069/G9J38QPM

*Neely, A.B., **Loucks, E., *Carr, J., *Del Vecchio, J., Greenberg, E., and DiBiase, R.A., 2020. Bedrock cliffs in the San Gabriel and San Jacinto Mountains, California. Distributed by OpenTopography, doi:10.5069/G96H4FKG

Gold, D., et al. (including R.A. DiBiase), 2017. Recent geologic studies and initiatives in central Pennsylvania: Roadlog for the 82nd annual field conference of Pennsylvania Geologists, 132 pp.

Whipple, K.X., DiBiase, R.A., Ouimet, W.B., and Forte, A.M., 2017. Preservation or piracy: Diagnosing low-relief, high-elevation surface formation mechanisms: REPLY, Geology 45, e422doi:10.1130/G39252Y.1

DiBiase, R.A., 2014. River incision revisited, Nature 505, p. 294-295, doi:10.1038/505294a

DiBiase, R.A., 2011. Tectonic Geomorphology of the San Gabriel Mountains, California, Ph.D. dissertation, Arizona State University, Tempe, Arizona, USA, 247 pp. (pdf)

Conference abstracts and presentations

* indicates supervised graduate student author
** indicates supervised undergraduate student author

*Jonathan, S., **Lister, A., DiBiase, R.A., Bierman, P., and Corbett, L., 2022. Quantifying the role of climate and vegetation on weathering and erosion rates in steep landscapes. Abstract EP32C-03, presented at 2022 Fall Meeting, AGU, Chicago, IL, 12-16 Dec.

Youngquist, L., Fisher, D., DiBiase, R.A., Carr, J., Yeh, E.C., and Tseng, Y.C., 2022. Exploring the Relationship Between Surface Processes, Exhumation Trajectories, and Metamorphic Fabrics in Taiwan. Abstract TS32F-0247, presented at 2022 Fall Meeting, AGU, Chicago, IL, 12-16 Dec.

Lee, S., Kornegay, C., Keating, K., Hayes, J., Mount, G., Tarzona, A., Donaldson, Y., Robinson, T., Estrada, J., Cano, C.C., DiBiase, R.A., Del Vecchio, J., Charles, S., 2022. Observations from Seismic Refraction Survey of Solifluction Lobes at Garner Run and Bear Meadows, Pennsylvania. Abstract NS32B-0362, presented at 2022 Fall Meeting, AGU, Chicago, IL, 12-16 Dec.

Estanus, A., Oti, C., Urday, N., Dwanah, M., Donaldson, Y., Keating, K., Hayes, J., Mount, G., Tarzona, A., Robinson, T., Estrada, J., Cano, C.C., DiBiase, R.A., and Del Vecchio, J., 2022. Imaging the subsurface of the critical zone in Garner Run and Bear Meadows using electrical resistivity tomography. Abstract NS32B-0361, presented at 2022 Fall Meeting, AGU, Chicago, IL, 12-16 Dec.

Malayil, A.M., Ntim, C., Del Vecchio, J., Dieudonne, J.J., Robinson, T., Keating, K., Hayes, J., Mount, G., Tarzona, A., Donaldson, Y., Estrada, J., Cano, C.C., and DiBiase, R.A., 2022. Understanding the subsurface of Garner Run and Bear Meadows through the eyes of ground penetrating radar. Abstract NS32B-0360, presented at 2022 Fall Meeting, AGU, Chicago, IL, 12-16 Dec.

*Fong, B., DiBiase, R.A., **Druschel, G., and **Walter, N., 2022. Unraveling slope and lithologic controls on post-wildfire dry sediment loading in channels using repeat airborne lidar. Abstract EP25C-1416, presented at 2022 Fall Meeting, AGU, Chicago, IL, 12-16 Dec.

*Carr, J.C., DiBiase, R.A., Yeh, E.C., Fisher, D., and Kirby, E., 2022. Rock strength controls on orogen and reach scale variability in bedrock river morphology and sediment cover across the Taiwan Central Range. Abstract EP16B-05, presented at 2022 Fall Meeting, AGU, Chicago, IL, 12-16 Dec.

*Carr, J.C. and DiBiase, R.A., 2022. Data visualization challenges and opportunities for monitoring coarse sediment transport and bedrock channel geometry from high resolution models. Abstract U12A-03, presented at 2022 Fall Meeting, AGU, Chicago, IL, 12-16 Dec.

**Lister, A., **Weinheimer, N., *Jonathan, S., and DiBiase, R.A., 2022. An accuracy assessment of lidar-derived hillslope bedrock exposure mapping tools in steep landscapes. presented at 2022 GSA Northeast Section Meeting, Lancaster, PA, 19-22 Mar.

DiBiase, R.A., *Fong, B.T., and **Walter, N., 2022. Large-scale mapping of post-wildfire dry sediment loading using repeat airborne lidar in southern California. presented at 2022 GSA Northeast Section Meeting, Lancaster, PA, 19-22 Mar.

Chen, Y., Bao, J., Li, B., Liu, X., DiBiase, R.A., and Scheibe, T.D., 2021. Estimating hydrological exchange flows from streambed images. Abstract B25D-1480, presented at 2021 Fall Meeting, AGU, New Orleans, LA, 13-17 Dec.

*Del Vecchio, J., Rowland, J., DiBiase, R.A., Zwieback, S., and Glade, R., 2021. Signatures of Permafrost Processes in Fluvial Network Morphology and Change on the Seward Peninsula, Western Alaska, USA. Abstract EP55C-1124, presented at 2021 Fall Meeting, AGU, New Orleans, LA, 13-17 Dec.

*Jonathan, S., **Weinheimer, N., **Lister, A., and DiBiase, R.A., 2021. Determining the Controls on Bedrock Exposure on Steep Hillslopes in the Southeastern Sierra Nevada and Inyo Mountains, California. Abstract EP55A-1062, presented at 2021 Fall Meeting, AGU, New Orleans, LA, 13-17 Dec.

*Carr, J.C., DiBiase, R.A., Erikson, C.M., Kohlman, C., and Yeh, E. C., 2021. Discharge, grain size, and bed structure controls on boulder mobility in Swallow Gorge, Taiwan. Abstract EP33A-05, presented at 2021 Fall Meeting, AGU, New Orleans, LA, 13-17 Dec.

DiBiase, R.A., Comas, X., and Minsley, B., 2021. Opportunities for upscaling near-surface geophysical imaging of the critical zone using geomorphology and airborne geophysical surveys (Invited). Abstract NS43A-04, presented at 2021 Fall Meeting, AGU, New Orleans, LA, 13-17 Dec.

Chen, Y., Bao, J., Li, B., Liu, X., DiBiase, R.A., and Scheibe, T., 2021. Effects of natural streambed sediment on the riverbed exchange flows and microbial respiration. Abstract EGU21-13878, presented at EGU General Assembly 2021, Online, 19–30 Apr. doi:10.5194/egusphere-egu21-13878

Chen, Y., Bao, J., Zheng, J., Gao, P., He, Q., Stegen, J., Ng, B., Liu, X., DiBiase, R.A., and Shen, C., 2021. Upscaling cross-scale flow and respiration interactions at river sediment interface leveraging observation, numerical models, and machine learning. Artificial Intelligence for Earth System Predictability (AI4ESP) Workshop, Virtual. doi:10.2172/1769792

*Carr, J.C., DiBiase, R.A., and Yeh, E.C., 2020. Lithologic controls on orogen and reach scale variability in bedrock river morphology and sediment cover across the Taiwan Central Range. Abstract EP040-04, presented at Fall Meeting, AGU (Virtual), 1–17 Dec.

*Carr, J.C., DiBiase, R.A., **Erikson, C.M., and **Kohlman, C.M., 2020. Quantifying changes in bed state and grain mobility in steep bedrock rivers through repeat UAV photogrammetry surveys (Invited). Abstract H086-0003, presented at Fall Meeting, AGU (Virtual), 1–17 Dec.

Chen, Y., Bao, J., Li, B., Liu, X., DiBiase, R.A., Scheibe, T.D., 2020. Quantifying Streambed Hydrological Exchange Flows Using Structure-From-Motion Photogrammetry and Computational Fluid Dynamics Modeling. Abstract H086-0005, presented at Fall Meeting, AGU (Virtual), 1–17 Dec.

*Del Vecchio, J., DiBiase, R.A., Corbett, L.B., Bierman, P.R., Caffee, M., and Ivory, S., 2020. Erosion rates before and after the Mid-Pleistocene Transition in periglaciated central Appalachia. Abstract EP035-03, presented at Fall Meeting, AGU (Virtual), 1–17 Dec.

DiBiase, R.A., *Neely, A.B., Whipple, K.X., Heimsath, A.M., and Niemi, N.A., 2020. Hillslope morphology drives variability of detrital 10Be erosion rates in steep landscapes. Abstract EP030-01, presented at Fall Meeting, AGU (Virtual), 1–17 Dec.

**Erikson, C.M., *Carr, J.C., DiBiase, R.A., and **Kohlman, C.M., 2020. Quantifying Spatiotemporal Patterns of Grain Size, Roughness, and Flow Resistance in the Liwu River, Taiwan. Abstract EP038-0007, presented at Fall Meeting, AGU (Virtual), 1–17 Dec.

*Neely, A.B., and DiBiase, R.A., 2020. Channel morphology transition between colluvial-headwater channels and concave-fluvial channels co-locates with spatial patterns of historic debris flow runouts, in-channel bedrock strength, and in-channel sediment storage. Abstract EP027-06, presented at Fall Meeting, AGU (Virtual), 1–17 Dec.

*Carr, J.C., DiBiase, R.A., and Yeh, E.C., 2020. Orogen and reach scale patterns in rock strength, bedrock river morphology, and sediment cover across the Taiwan Central Range. Abstract 144-1, GSA Annual Meeting, 26–30 Oct.

*Del Vecchio, J., Ivory, S.J., Leddy, M., Mount, G.J., and DiBiase, R.A., 2020. QGG Marie Morisawa Award: Erosional and ecological response to climate change in a periglacial landscape 14-8 ka, central Appalachia. Abstract 250-4, GSA Annual Meeting, 26–30 Oct.

*Carr, J.C., and DiBiase, R.A., 2020. Geomorphic and structural mapping of remote bedrock river corridors using kilometer-scale UAV surveys. presented at GAGE/SAGE Virtual Special Interest Group Session: Emerging Applications for sUAS (uncrewed aerial systems), 18 Aug.

DiBiase, R.A., and Lamb, M.P., 2019. Dry sediment loading of headwater channels fuels post-wildfire debris flows in bedrock landscapes. Abstract H31H-02, presented at Fall Meeting, AGU, San Francisco, CA, 9–13 Dec.

*Neely, A.B., and DiBiase, R.A., 2019. Onset of patchy bedrock exposure on hillslopes indicates switch from weathering to bedrock fracture spacing control on sediment size delivered to river networks. Abstract EP52B-01, presented at Fall Meeting, AGU, San Francisco, CA, 9–13 Dec.

*Carr, J. C., DiBiase, R.A., and Yeh, E.C., 2019. Quantifying rock strength controls on bedrock river morphology in Taiwan with kilometer scale UAV surveys. Abstract EP22A-07, presented at Fall Meeting, AGU, San Francisco, CA, 9–13 Dec.

*Silverhart, P., DiBiase, R.A., Walter, R.C., Mount, G., Keating, K., and Hayes, J.L., 2019. Land use versus climate controls on erosion at a farmed headwater catchment in central Pennsylvania. Abstract EP53F-2206, presented at Fall Meeting, AGU, San Francisco, CA, 9–13 Dec.

**Loucks, E.A., *Neely, A.B., and DiBiase, R.A., 2019. The influence of rock properties on the morphology of headwater channels in the Guadalupe Mountains, TX. Abstract EP53F-2219, presented at Fall Meeting, AGU, San Francisco, CA, 9–13 Dec.

Rodriguez, A., Cambeiro, J., Tarzona, A., Murray, H., Donaldson, Y.Y., *Del Vecchio, J., Hayes, J.L., Mount, G., Keating, K., Brantley, S.L., Nyquist, J., and DiBiase, R.A., 2019. The Use of Electrical Resistivity Tomography (ERT) to Image Solifluction Lobes in the Garner Run Subcatchment of The Susquehanna Shale Hills Critical Zone Observatory. Abstract NS21C-0835, presented at Fall Meeting, AGU, San Francisco, CA, 9–13 Dec.

Cambeiro, J., *Silverhart, P., Donaldson, Y. Y., Tarzona, A., Murray, H., Keating, K., Mount, G., Hayes, J. L., Brantley, S. L., DiBiase, R.A., and Nyquist, J., 2019. The use of ERI and Seismic refraction to constrain soil depth and geologic structure at Cole Farms Agricultural Site in the Susquehanna Shale Hills Critical Zone Observatory. Abstract NS21C-0836, presented at Fall Meeting, AGU, San Francisco, CA, 9–13 Dec.

*Del Vecchio, J., DiBiase, R.A., Corbett, L. B., Bierman, P. R., Caffee, M. W., and Ivory, S.J., 2019. Pleistocene climate-modulated erosion: interpretations from cosmogenic nuclide concentrations of an 18 m sediment core in central Appalachia. Abstract 44-8, GSA Annual Meeting, Phoenix, AZ, 22–25 Sep.

*Neely, A.B., DiBiase, R.A., Corbett, L.B., Bierman, P.R., and Caffee, M.W., 2019. Bedrock fracture density controls on soil production, transport, and bedrock exposure in steep landscapes. Abstract 10-5, GSA Annual Meeting, Phoenix, AZ, 22–25 Sep.

DiBiase, R.A., and Lamb, M.P., 2019. Dry ravel loading of steep headwater valley networks fuels post-wildfire sedimentation hazards in southern California. Abstract 2-4, GSA Annual Meeting, Phoenix, AZ, 22–25 Sep.

*Carr, J.C., DiBiase, R.A., and Yeh, E.C., 2019. Geomorphic and structural mapping for remote bedrock river corridors in the Taiwan central range using paired outcrop and kilometer scale UAV surveys. Abstract 72-2, GSA Annual Meeting, Phoenix, AZ, 22–25 Sep.

Fisher, D.M., DiBiase, R.A., Kirby, E., *Carr, J.C., and Yeh, E.C., 2019. Mountain belt dynamics, rock strength and topography in Taiwan. International Conference in Commemoration of 20th Anniversary of the 1999 Chi-Chi Earthquake, Taipei, Taiwan, 15–19 Sep.

*Neely, A.B., DiBiase, R.A., Corbett, L.B., Bierman, P.R., and Caffee, M.W., 2019. Expression of rock strength in the morphology, bedrock exposure, and erosion rate of steep hillslopes in southern California, USA. GSA Penrose Conference: CLAST2019, Juneau, AK 4–10 Aug.

*Carr, J.C., DiBiase, R.A., and Yeh, E.C., 2019. Quantifying the role of rock strength on bedrock river morphology in Taiwan with continuous, kilometer scale UAV surveys. GSA Penrose Conference: CLAST2019, Juneau, AK 4–10 Aug.

DiBiase, R.A., Denn, A.R., Bierman, P.R., Kirby, E., West, N., and Hidy, A.J., 2019. Stratigraphic control of landscape response to base-level fall, Young Womans Creek, Pennsylvania, USA. Wolman Club, Franklin and Marshall College, Lancaster, PA, 31 May. (invited)

DiBiase, R.A., 2019. Geologic and climatic controls on long-term erosion rates at the Susquehanna Shale Hills Critical Zone Observatory. Chapter 105 Program Technical Workshop, Pennsylvania Department of Environmental Protection, State College, PA, 12 Feb. (invited)

*Carr, J.C., DiBiase, R.A., and Yeh, E.C., 2018. High resolution UAV surveys of bedrock rivers in Taiwan reveal connections between lithology, structure, and channel morphology. Abstract T23A-0340,  presented at 2018 Fall Meeting, AGU, Washington, DC, 10-14 Dec. (abstract)

*Del Vecchio, J.,  DiBiase, R.A., *Carr, J.C., Greenberg, E., and Hajek, E.A., 2018. Stratigraphic controls on bedrock channel morphology in the Finger Lakes, New York, USA. Abstract EP53E-1944, presented at 2018 Fall Meeting, AGU, Washington, DC, 10-14 Dec. (abstract)

DiBiase, R.A., Denn, A., Bierman, P.R., Kirby, E., West, N., and Hidy, A., 2018. Stratigraphic control of landscape response to base-level fall, Young Womans Creek, Pennsylvania, USA. Abstract EP21D-2271, presented at 2018 Fall Meeting, AGU, Washington, DC, 10-14 Dec. (abstract)

**Loucks, E., *Neely, A.B., and DiBiase, R.A., 2018. Using ground-based structure-from-motion photogrammetry to quantify heterogeneity in bedrock hillslope morphology. Abstract EP53E-1930, presented at 2018 Fall Meeting, AGU, Washington, DC, 10-14 Dec. (abstract)

Mount, G., Hayes, J., *Silverhart, P., Wayman, C., *Del Vecchio, J., DiBiase, R.A., and Brantley, S.L., 2018. Near-surface Geophysical Characterization of Cole Farms in the Susquehanna Shale Hills Critical Zone Observatory, Pennsylvania, USA. Abstract NS41B-0820, presented at 2018 Fall Meeting, AGU, Washington, DC, 10-14 Dec. (abstract)

*Neely, A.B., DiBiase, R.A., Corbett, L.B., and Bierman, P.R., 2018. Expression of rock strength in the morphology, bedrock exposure, and erosion rate of steep hillslopes in southern California, USA. Abstract EP23G-2412, presented at 2018 Fall Meeting, AGU, Washington, DC, 10-14 Dec. (abstract)

*Silverhart, P., and DiBiase, R.A., 2018. Investigating climate change versus land use controls on hillslope erosion and valley sedimentation at the Cole Farm study watershed, central Pennsylvania. Abstract H53N-1775, presented at 2018 Fall Meeting, AGU, Washington, DC, 10-14 Dec. (abstract)

Zhao, J., Wallgruen, J.O., Lafemina, P.C., DiBiase, R.A., *Carr, J., and Klippel, A.K., 2018. Toward a Universal Workbench for Visualization and Quantitative Exploration of Earth Science Data in Immersive Virtual Reality. Abstract IN53B-04, presented at 2018 Fall Meeting, AGU, Washington, DC, 10-14 Dec. (abstract)

Lamb, M.P., Scheingross, J., and DiBiase, R.A., 2018. The role of waterfalls in river response to tectonic uplift. Abstract S2-KN2, presented at GeoMod 2018, Barcelona, Spain, 1-4 Oct. (abstract)

DiBiase, R.A., Rossi, M.W., and Neely, A.B., 2018. Fracture density and grain size controls on the relief structure of bedrock landscapes, Wolman Club, University of Maryland, Baltimore County, Baltimore, MD, 1 Jun. (invited)

*Del Vecchio, J., DiBiase, R.A., Bierman, P.R., and Denn, A., 2017. A Quaternary record of periglacial surface processes preserved in a headwater valley in central Pennsylvania. Abstract EP23E-03, presented at 2017 Fall Meeting, AGU, New Orleans, LA, 11-15 Dec. (abstract)

*Neely, A.B., DiBiase, R.A., Corbett, L.B., and Bierman, P.R., 2017. Controls on the slope and relief of headwater channels in steep landscapes: Field constraints from the San Gabriel and San Jacinto Mountains, CA. Abstract EP33B-1685, presented at 2017 Fall Meeting, AGU, New Orleans, LA, 11-15 Dec. (abstract)

Xiao, D., Shi, Y., Hoagland, B., *Del Vecchio, J., Russo, T., DiBiase, R.A., and Li, L., 2017. Understanding controls of hydrologic processes across two headwater monolithological catchments using model-data synthesis. Abstract H43S-04, presented at 2017 Fall Meeting, AGU, New Orleans, LA, 11-15 Dec. (abstract)

DiBiase, R.A., Rossi, M.W., and *Neely, A.B., 2017. Bedrock cliffs, colluvial slopes, and fluvial relief coupled via fracture density and grain size. Abstract 340-9 (invited), presented at 2017 GSA Annual Meeting, Seattle, WA, 22-25 Oct. (abstract)

DiBiase, R.A., Liu, X., Chen, Y., **McCarroll, N. R., and *Neely, A. B., 2017. Rapid characterization of streambed microtopography in mountain channels: Methods and application using structure-from-motion photogrammetry. Abstract 316-7 (invited), presented at 2017 GSA Annual Meeting, Seattle, WA, 22-25 Oct. (abstract)

DiMaggio, E. N., and DiBiase, R.A., 2017. Strategies for creating standardized GIS-based digital geologic maps for geosciences field exercises. Abstract 264-10, presented at 2017 GSA Annual Meeting, Seattle, WA, 22-25 Oct. (abstract)

Huntington, K.W., Kleipeis, K., Cassel, E.J., Currie, C.A., DiBiase, R.A., Kirby, E., and Lang, K., 2017. Understanding the dynamic interactions between Earth-surface processes and tectonics: Opportunities for progress from outcrop to global scales. Abstract 214-1, presented at 2017 GSA Annual Meeting, Seattle, WA, 22-25 Oct. (abstract)

DiBiase, R.A., *Del Vecchio, J., Mount, G., Hayes, J. L., Comas, X., Guo, L., Lin, H., Zarif, F., Forsythe, B., and Brantley, S. L., 2017. Shallow critical zone architecture of a headwater sandstone catchment quantified using near-surface geophysics. AGU-SEG Hydrogeophysics Workshop: Imaging the Critical Zone, Stanford, CA, 24-27 Jul. (abstract)

DiBiase, R.A., *Del Vecchio, J., Mount, G., Hayes, J.L., Comas, X., Guo, L., Lin, H., Zarif, F., Forsythe, B., and Brantley, S.L., 2016. Quantifying the spatial variability in critical zone architecture through surface mapping and near-surface geophysics. Abstract EP41F-01, presented at 2016 Fall Meeting, AGU, San Francisco, CA, 12-16 Dec. (invited) (abstract)

Mount, G., Guo, L., Comas, X., DiBiase, R.A., Hayes, J.L., *Del Vecchio, J., Forsythe, B., Brantley, S.L., and Lin, H., 2016. Characterizing subsurface lithology and hydrological processes at the Susquehanna Shale Hills CZO using multi-scale near-surface geophysical measurements. Abstract EP43C-983, presented at 2016 Fall Meeting, AGU, San Francisco, CA, 12-16 Dec. (abstract)

*Del Vecchio, J., Denn, A., DiBiase, R.A., and Bierman, P.R., 2016. Colluvial signatures of Pleistocene sediment production in central Pennsylvania. Abstract EP33B-0983, presented at 2016 Fall Meeting, AGU, San Francisco, CA, 12-16 Dec. (abstract)

DiBiase, R.A., Liu, X., and Chen, Y., 2016. Characterizing reach-scale flow resistance in mountain streams using structure-from-motion surveys and computational fluid dynamics simulation. Abstract EP21D-0908, presented at 2016 Fall Meeting, AGU, San Francisco, CA, 12-16 Dec. (abstract)

Forte, A.M., Whipple, K.X., DiBiase, R.A., Gasparini, N.M., and Ouimet, W.B., 2016. Evaluating metrics of drainage divide mobility. Abstract EP11B-1012, presented at 2016 Fall Meeting, AGU, San Francisco, CA, 12-16 Dec. (abstract)

*Neely, A.B. and DiBiase, R.A., 2016. Using multi-scale remote sensing techniques to quantify hillslope channel coupling in bedrock landscapes. Abstract EP31A-0930, presented at 2016 Fall Meeting, AGU, San Francisco, CA, 12-16 Dec. (abstract)

Whipple, K.X., Forte, A.M., DiBiase, R.A., Gasparini, N.M., and Ouimet, W.B., 2016. Evaluating the role of divide migration in landscape evolution: Analysis of response timescales. Abstract EP14B-03, presented at 2016 Fall Meeting, AGU, San Francisco, CA, 12-16 Dec. (abstract)

*Del Vecchio, J., *Martin, C., Mount, G.J., Hayes, J., Comas, X., and DiBiase, R.A., 2016. Surface and subsurface characteristics of periglacial landscape modification in central Pennsylvania. Abstract 6-7, GSA Annual Meeting, Denver, CO, 25-28 Sept. (abstract)

*Silverhart, P.H., Zhi, W., Xiao, D., *Del Vecchio, J., DiBiase, R.A., and Li, L., 2016. Evaluating the importance of regolith heterogeneity on catchment hydrology in Garner Run, Susquehanna Shale Hills Critical Zone Observatory, Pennsylvania, USA. Abstract 237-25, GSA Annual Meeting, Denver, CO, 25-28 Sept. (abstract)

DiBiase, R.A., *Neely, A.B., and Rossi, M.W., 2015. Fracture density and grain size controls on the relief structure of threshold landscapes. Abstract EP41C-0934, presented at 2015 Fall Meeting, AGU, San Francisco, CA 14-18 Dec. (abstract)

DiBiase, R.A., *Del Vecchio, J., and **Granke, S.B., 2015. Topographic and colluvial signatures of lithology, base level, and climate in the Shavers Creek watershed, Pennsylvania. Pardee Symposium, GSA Annual Meeting, Baltimore, MD, 1-4 Nov. (abstract)

DiBiase, R.A., Limaye, A.B., Scheingross, J.S., Fischer, W.W., and Lamb, M.P., 2015. Deltaic deposits at Aeolis Dorsa: Sedimentary evidence for a standing body of water on the northern plains of Mars, presented at 2015 Annual Convention and Exhibition, AAPG, Denver, CO, 31 May – 2 Jun. (invited) (abstract)

DiBiase, R.A., Booth, A., Ganti, V., Scheingross, J., and Lamb, M.P., 2014. Field experiments of nonlocal sediment transport on a steep hillslope. Abstract EP32B-01, presented at 2014 Fall Meeting, AGU, San Francisco, CA, 15-19 Dec. (abstract)

Rossi, M.W., Whipple, K.X, Vivoni, E., DiBiase, R.A., and Heimsath, A.M., 2014. The Influence of the Soil Water Balance Within Catchment Hillslopes on Runoff Variability and Fluvial Incision. Abstract EP33D-05, presented at 2014 Fall Meeting, AGU, San Francisco, CA, 15-19 Dec. (abstract)

DiBiase, R.A., Lamb, M.P., Whipple, K.X., and Heimsath, A.M., 2013. The role of waterfalls in controlling the style and pace of landscape adjustment. Abstract EP33C-0911, presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec. (abstract)

Lamb, M.P., Prancevic, J.P., and DiBiase, R.A., 2013. Wildfire-induced dry ravel and debris-flow initiation in steep, bedrock landscapes. GSA Annual Meeting, Denver, CO, 27-30 Oct. (abstract)

Fendick, A.M., Blythe, A.E., and DiBiase, R.A., 2013. Refining block uplift and exhumation of the San Gabriel Mountains using low-temperature thermochronology. GSA Annual Meeting, Denver, CO, 27-30 Oct. (abstract)

Whipple, K.X., DiBiase, R.A., and Rossi, M.W., 2013. The topographic imprint of spatial and temporal patterns of rock uplift in bedrock river profiles. GSA Annual Meeting, Denver, CO, 27-30 Oct. (abstract)

DiBiase, R.A., Lamb, M.P., Levina, M., and Fuller, B.M., 2013. Quantifying sediment storage by vegetation in steep bedrock landscapes: Implications for post-fire sediment yield. AGU Chapman Conference on post-wildfire runoff and erosion response, Estes Park, CO, 25-31 Aug. (abstract)

DiBiase, R.A., Whipple, K.X., Heimsath, A.M., and Blythe, A.E., 2013. Spatial and temporal patterns of uplift and erosion in the San Gabriel Mountains, CA: clues from topography and geochronology. Pacific Section AAPG Convention, Monterey, CA, 19-25 Apr. (abstract)

DiBiase, R.A., Lamb, M.P., Heimsath, A.M., and Whipple, K.X., 2012. Vegetation controls on sediment storage and release on steep, rocky hillslopes. Abstract EP41D-0820, presented at 2012 Fall Meeting, AGU, San Francisco, CA, 3-7 Dec. (abstract)

Heimsath, A.M., DiBiase, R.A., and Whipple, K.X., 2012. Soil Production and Erosion Rates and Processes in Mountainous Landscapes. Abstract EP52E-01, presented at 2012 Fall Meeting, AGU, San Francisco, CA, 3-7 Dec. (abstract)

DiBiase, R.A., Whipple, K.X., and Heimsath, A.M., 2012. Quantifying relationships among topography, climate, and erosion rate. Meeting of Young Researchers in Earth Sciences, Salt Lake City, UT, 8-12 Aug.

DiBiase, R.A., and Whipple, K.X., 2011. The influence of erosion thresholds and runoff variability on the relationships among topography, climate, and erosion rate. Abstract EP34A-06 presented at 2011 Fall Meeting, AGU, San Francisco, CA, 5-9 Dec. (invited) (abstract)

Heimsath, A.M., DiBiase, R.A., and Whipple, K.X., 2011. Soil production limits and the transition to bedrock dominated landscapes. Abstract EP23C-0759 presented at 2011 Fall Meeting, AGU, San Francisco, CA, 5-9 Dec. (abstract)

Rossi, M.W., Whipple, K.X., DiBiase, R.A., and Heimsath, A.M., 2011. Climatic controls on steady state erosion using the relationship between channel steepness and cosmogenic 10Be-derived catchment averaged erosion rates. Abstract EP31A-0809 presented at 2011 Fall Meeting, AGU, San Francisco, CA, 5-9 Dec. (abstract)

DiBiase, R.A., Whipple, K.X., and Heimsath, A.M., 2010. Using topography to decipher the uplift history of the western San Gabriel Mountains, CA. Abstract EP51G-08 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. (abstract)

Dixon, J.L., Hartshorn, A.S., Heimsath, A.M., DiBiase, R.A., and Whipple, K.X., 2010. Chemical weathering in the San Gabriel Mountains of California: the influence of erosion rates, soil depth, and transport processes on soil chemical losses. Abstract EP42A-08 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. (abstract)

Rossi, M.W., Whipple, K.X., DiBiase, R.A., and Heimsath, A.M., 2010. Climate and the erosional efficiency of fluvial systems. Abstract EP23C-06 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. (abstract)

DiBiase, R.A., Whipple, K.X., and Heimsath, A.M., 2009. Channel incision and the role of sediment supply in the San Gabriel Mountains, CA. EOS, American Geophysical Union Transactions, vol. 90(52), Abstract EP54A-02. (abstract)

Rossi, M.W., Whipple, K.X., and DiBiase, R.A., 2009. Inferring landscape response to climate from the relation between mean hillslope angle and channel steepness. EOS, American Geophysical Union Transactions, vol. 90(52), Abstract EP51B-0604. (abstract)

Heimsath, A.M., DiBiase, R.A., Whipple, K.X., and Walsh, J., 2009. Sediment supply differences between soil and bedrock dominated landscapes, San Gabriel Mountains, CA. EOS, American Geophysical Union Transactions, vol. 90(52), Abstract EP54A-01. (abstract)

DiBiase, R.A., Heimsath, A.M., and Whipple, K.X., 2008. Hillslope angle, channel steepness, and millennial erosion rates in the San Gabriel Mountains, CA. EOS, American Geophysical Union Transactions 89, Abstract H43F-1080. (abstract)

Michaels, J.A., Kroeger, G.C., Abrahamson, J., DiBiase, R., Gregg, T., Trenton, A., Waldron, A., Bank, C., and Grosfils, E., 2008. Geophysical study of Cyclone Canyon Graben, Canyonlands National Park, Utah: Sediment depth and structural implications. EOS, American Geophysical Union Transactions 89, Abstract S11C-1753. (abstract)

Welten, K.C., DiBiase, R., Schipper, B., and Perkins, J., 2008. Classification of Antarctic ordinary chondrites based on Ni and Co in the metal phase. Abstract 4027, Workshop on Antarctic Meteorites: Search, Recovery and Classification. Meteoritics and Planetary Science 43, 7, Supplement, A191. (abstract)

DiBiase, R.A., Whipple, K.X., and Heimsath, A.M., 2007. Channel morphology response to differential rockuplift rates in the San Gabriel Mountains, CA. EOS, American Geophysical Union Transactions 88, Abstract H41D-0760. (abstract)

Kroeger, G.C., Abrahamson, J., DiBiase, R., Gregg, T., Michaels, J., Trenton, A., Waldron, A., Bank, C., and Grosfils, E., 2005. Geophysical surveys in the Grabens of Canyonlands National Park, Utah. GSA Annual Meeting, Salt Lake City, UT, 16-19 Oct. (abstract)

Invited seminars

Landscapes Live Seminar (March 2021): “Morphodynamics of mixed soil-mantled and bare bedrock hillslopes”

Department of Earth and Environmental Sciences Seminar, UT Arlington (2021): “Erosion and sediment transport on rocky hillslopes”

Department of Earth Sciences Seminar, University of Delaware (2020): “Bedrock fracturing controls on landscape-scale erodibility”

CZO Webinar Series on Sustainability (2020): “How climate and geology pre-condition the response of upland watersheds to human impacts”

Penn State Earth and Environmental Institute Earth Talks (2020): “Geologic and climatic controls on the resilience of headwater watersheds”

Earth and Planetary Sciences Seminar, University of California, Berkeley (2020): “Bedrock fracturing controls on landscape-scale erodibility”

Earth and Environmental Science Seminar, Lehigh University (2017): “Fracture density and grain size controls on the relief structure of bedrock landscapes”

Geosciences Departmental Seminar, National Taiwan Normal University (2017): “Fracture density and grain size controls on the relief structure of bedrock landscapes”

Institute of Earth Sciences Seminar, Academia Sinica, Taipei, Taiwan (2017): “The role of waterfalls and knickzones in controlling the style and pace of landscape adjustment”

Earth and Environmental Sciences Departmental Seminar, Tulane University (2016): “Wildfire and sediment transport on steep rocky hillslopes”

COG3 Seminar, Massachusetts Institute of Technology (2015): “The role of waterfalls and knickzones in controlling the style and pace of landscape adjustment”

Earth and Planetary Sciences Departmental Seminar, Northwestern University (2015): “Wildfire and sediment transport on steep rocky hillslopes”

Geology and Planetary Science Departmental Seminar, University of Pittsburgh (2014): “Controls on erosion and sediment transport from decadal to millennial timescales”

Departmental of Geosciences Seminar, University of Massachusetts (2014): “Controls on erosion and sediment transport from decadal to millennial timescales”

Earth and Planetary Sciences Seminar, University of California, Berkeley (2014): “Controls on erosion and sediment transport from decadal to millennial timescales”

Department of Geosciences Colloquium, Penn State University (2014): “Controls on erosion and sediment transport from decadal to millennial timescales”

Department of Earth, Environmental, and Planetary Sciences seminar, Rice University (2014): “The influence of climate on landscape dynamics from anthropogenic to geologic timescales”

Lithospheric Dynamics Seminar, University of Southern California (2013): “Sediment production, storage, and transport on steep rocky hillslopes”

NASA Jet Propulsion Laboratory Mars Forum (2013): “Deltaic deposits at Aeolis Dorsa: Sedimentary evidence for a standing body of water in the northern plains of Mars”

Caltech Geology Club Seminar (2013): “Sediment production, storage, and transport on steep rocky hillslopes”

Department of Earth, Environmental, and Planetary Sciences seminar, Rice University (2012): “Tectonic Geomorphology of the San Gabriel Mountains, California”

Media and press coverage

COVID-19 doesn’t curb field camp ‘rite of passage’ for geosciences students, Penn State News, 21 Aug., 2020

Geoscientist’s professorship to drive research on landscapes, hazards, Penn State News, 18 Aug., 2020

Sediment loading key to predicting post-wildfire debris flows, Penn State News, 5 Feb., 2020

Field camp a rite of passage for undergraduate geosciences majors, Penn State News, 13 Dec., 2019

Penn State researchers find central Pennsylvania farmland resilient to erosion, Chesapeake Research Consortium, 9 Aug., 2019

Field conference helps write the book on Pennsylvania geology, Penn State News, 31 Oct., 2017

Editor’s highlights: Testing monsoonal controls on bedrock river incision in the Himalaya and Eastern Tibet with a stochastic-threshold stream power model, JGR-Earth Surface, 26 Jun., 2017

Making a mountain out of a plateau, Nature, 2 Feb., 2017

Editor’s highlights: Timescales of landscape response to divide migration and drainage capture: Implications for the role of divide mobility in landscape evolution, JGR-Earth Surface, 25 Jan., 2017

Repairs underway behind Logan Town Centre, WJAC, 6 May, 2016

How rain turns dirt into disaster, Wired, 22 Oct., 2015

How debris flows happen, Los Angeles Times, 6 Oct., 2015

Ancient Mars had an ocean, scientists say, New York Times, 5 Mar., 2015

River roulette: Randomness controls erosion, Live Science, 24 Jan., 2014

The latest from Mars: Dried up riverbed may have flowed into an ancient ocean, Universe Today,  22 Jul., 2013

Ancient Mars river may have flowed into huge ocean, Space.com, 17 Jul., 2013

Caltech scientists find evidence of ocean on Mars, KPCC Take Two, 17 Jul., 2013

Mars ocean? Caltech scientists say they’ve found strong evidence for ancient body of water, Huffington Post, 17 Jul., 2013

Was this once a vast Martian coastline? Slate, 17 Jul., 2013

Caltech study shows strong evidence that an ocean once existed on Mars, Pasadena Star News, 16 Jul., 2013

Evidence for a Martian ocean, Caltech Press Release, 16 Jul., 2013

Courses taught

2020: GEOSC340 – Geomorphology (3 credits, spring); GEOSC 310 – Earth History (w/D. Fisher); GEOSC 497 – Virtual field investigations (3 credits, summer, w/E. DiMaggio, D. Fisher, and A. Smye); GEOSC 3030 – Introduction to Environmental Geology (3 credits, fall – w/ D. Bice); GEOSC 597 – Critical Zone Seminar (2 credits, fall, w/S. Brantley)

2019: GEOSC 340 – Geomorphology (3 credits, spring); GEOSC 472a – Geology field school I (3 credits, summer – w/ E. DiMaggio)

2018: GEOSC 340 – Geomorphology (3 credits, spring); GEOSC 472a – Geology field school I (3 credits, summer – w/ E. DiMaggio); GEOSC 303 – Introduction to Environmental Geology (3 credits, fall – w/ D. Bice); GEOSC 548 – Advanced Surface Processes (3 credits, fall); GEOSC 587 – Academic Careers in Geosciences (3 credits, fall – w/K. Freeman and T. Bralower)

2017: GEOSC 340 – Geomorphology (3 credits, spring); GEOSC 472a – Geology field school I (3 credits, summer – w/ R. Slingerland and E. DiMaggio); GEOSC 303 – Introduction to Environmental Geology (3 credits, fall – w/ D. Bice); GEOSC 565 – Tectonic Geomorphology (3 credits, fall – w/ D. Fisher)

2016: GEOSC 340 – Geomorphology (3 credits, spring); GEOSC 497C – Making Geologic Maps with ArcGIS (1 credit, spring – w/ E. DiMaggio); GEOSC 472a – Geology field school I (3 credits, summer – w/ R. Slingerland and E. DiMaggio); GEOSC 303 – Introduction to Environmental Geology (3 credits, fall – w/ D. Bice); GEOSC 597 – SfM seminar (1 credit, fall – w/ P. LaFemina and K. Mankoff); GEOSC 548 – Advanced Surface processes (1 credit, fall)

2015: GEOSC 340 – Geomorphology (3 credits, spring); GEOSC 303 – Introduction to Environmental Geology (3 credits, fall – w/D. Bice); GEOSC 597E – Seminar in Earth surface processes and sedimentary geology (1 credit, fall – w/ E. Hajek)

Synergistic activities

2017: 6th Annual Amtrak Club, “Propagation of climate and tectonic signals through landscapes”, hosted at Penn State w/ E. Hajek

2015-present: Steering committee member, National Center for Airborne Laser Mapping (NCALM)

2016: AGU Fall Meeting Outstanding Student Paper Awards (OSPA) Coordinator for Earth and Planetary Surface Processes focus group

Conference sessions convened: “Sediment dynamics across landscapes: Steep and Low-relief terrains” AGU Fall Meeting 2017; “Challenges in Tectonics 3: Dynamic Interactions among Earth-Surface Processes, Landscape Evolution, and Tectonics” GSA Fall Meeting 2017; “Erosion and sediment transport in steep landscapes” AGU Fall Meeting 2014-2016

Publication review: Basin Research, Earth Surface Dynamics, Earth Surface Processes and Landforms, G-Cubed, Geology, Geomorphology, GSA Bulletin, International Journal of Wildland Fire, Journal of Geophysical Research – Earth Surface, Nature, Science

Proposal review: NSF Tectonics, NSF Geomorphology and Landuse Dynamics, NSF Geography and Spatial Sciences, NSF Antarctic Earth Sciences, ACS Petroleum Research Fund, NSF GEO/EAR panel review (2015, 2016).

Graduate student advising:

PhD: Alexander Neely (2015-2020); Joanmarie Del Vecchio (2017-2021); Julia Carr (2017-2022); Sarah Jonathan (2020-present); Brandon Fong (2021-present)
MS: Joanmarie Del Vecchio (2015-2017); Perri Silverhart (2017-present)

Undergraduate student advising:

Lizzie Johnson ( 2023 NASA PA Space Grant Research Intern); Grace Druschel (2022 NASA PA Space Grant Research Intern); Ava Yurchak (2022 NASA PA Space Grant Research Intern); Allie Lister (2021-2022 NASA PA Space Grant Research Intern); Maya Kita (2021-2022); Nicholas Walter (BS 2021); Nancy Weinheimer (BS 2021); Christian Erikson (2020 REU); Allison Clark (2020 WISER); Nazmi Yusri (BS 2020); Emily Loucks (BS 2020); Katie Kohlman (2019 WISER); Lisa Woodward (BS 2019); Rose Martin (2018 WISER); Tara Wu (2018 WISER); Nicholas McCarroll (BS 2017); Tyler White (BS 2017); Perri Silverhart (2016 REU); Connor Martin (2016 REU); Michael Sickler (BS 2016); Sarah Granke (2015 REU)


updated 1/25/2023

Skip to toolbar