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brendan murphy
Areas of interest
Watershed science, geomorphology, surface hydrology, wildfire, sediment transport, geohazards, ecogeomorphology, population ecology
Biography
Dr. Murphy is a physical watershed scientist, specializing in geomorphology. His research focuses on the physical and coupled ecological dynamics of river systems, and includes studies of climatic controls on landscape evolution, watershed-scale sediment dynamics, and modeling population responses to environmental disturbance. Dr. Murphy’s multidisciplinary work involves collaborations with ecologists and engineers, as well as regular engagement with natural resource managers. He has a particular interest in post-wildfire erosion and modeling the associated sediment-related risks to downstream assets, such as water supply reservoirs and aquatic habitat.
Education
- PhD, Geological Sciences, The University of Texas at Austin
- BS, Geology, The College of William & Mary
Publications
All supervisees are underlined, regardless of designation or rank
Co-author designations: †Postdoctoral fellow, *Graduate student, **Undergraduate student
Published Work
*Klimas K. B., Yocom L. L., Murphy B. P., †David S. R., Belmont P. B., Lutz J. A., DeRose R. J. & *Wall S. A. (2025). A machine learning model to predict wildfire burn severity for pre-fire risk assessments, Utah, USA. Fire Ecology, 21(1), 8.
*Canham H., Lane B., Philips C. & Murphy B. P. (2025). Leveraging a time-series event separation method to disentangle time-varying hydrologic controls on streamflow- application to wildfire-affected catchments. Hydrology & Earth System Sciences, 29(1), 27-43.
*Ridgway P., Lane B., *Canham H., Murphy B. P., Belmont P. & Rengers, F. K. (2024). Wildfire, extreme precipitation, and debris flows, oh my! River corridor response to compounding disturbances in a mountain stream in the Upper Colorado Basin, USA. Earth Surface Processes and Landforms, 49(12), 3855-3872. DOI: 10.1002/esp.5942
Rengers F. K., Bower S., Knapp A., Kean J. W., vonLembke D. W., Thomas M. A., Kostelnik J., Vessely M., Barnhart K. R., Bethel M., Anderson J., Roberts E., DeLong S., Lane B., *Ridgway P. & Murphy B. P. (2024). Evaluating Post-Wildfire Debris Flow Rainfall Thresholds and Volume Models at the 2020 Grizzly Creek Fire in Glenwood Canyon, Colorado, USA. Natural Hazards and Earth System Sciences, 24(6), 2093-2114.
†David S., Murphy B. P., Czuba J. A., †Ahammad M. & Belmont, P. (2023). USUAL Watershed Tools: a new geospatial toolkit for hydro-geomorphic delineation. Environmental Modelling & Software, 159, 105576.
*Wall S., Murphy B. P., Belmont P. & Yocom, L. (2023). Predicting post-fire debris flow grain sizes and depositional volumes in the Intermountain West, USA. Earth Surface Processes and Landforms, 48(1), 179-197.
Murphy B. P., †David S., Belmont P., †Ahammad M., Czuba J., *Wall S., Yocom L. L., *Klimas K. & †Stout J. (2023). Water supply vulnerability to post-wildfire reservoir sedimentation: a new modeling framework for the western US with applications to Salt Lake City, Utah. Sedimentation and Hydrology Federal Interagency Conferences, SEDHYD Conference 2023, May 2023.
†David S., Belmont P., Murphy B. P. & †Ahammad M. (2023). Predicting post-wildfire risks to and vulnerability of transportation infrastructure. Sedimentation and Hydrology Federal Interagency Conferences, SEDHYD Conference 2023, May 2023.
†David S., Murphy B. P., Belmont P., Czuba J. & †Ahammad M. (2023). Fire-WATER: a new GIS framework to assess post-wildfire erosion, watershed-scale sediment dynamics, and downstream impacts in the western US. Sedimentation and Hydrology Federal Interagency Conferences, SEDHYD Conference 2023, May 2023.
†Ahammad M., Czuba J. A., Murphy, B. P., †David S. & Belmont P. (2023). Control of flow sequence and spatial distribution of debris flow input on river network modeling. Sedimentation and Hydrology Federal Interagency Conferences, SEDHYD Conference 2023, May 2023.
†Ahammad M., Czuba J. A., Pfeiffer A., Murphy B. P. & Belmont P. (2020). Watershed scale impacts of upstream sediment supply on the mainstem of a river network. In W. Uijttewaal, et al. (Eds.). River Flow 2020: Proceedings of the 10th Conference on Fluvial Hydraulics (Delft, Netherlands: 7-10 July 2020). London: CRC Press. ISBN: 9781003110958. DOI: http://dx.doi.org/10.1201/b22619-316
*Healy B. D., Budy P., Yackulic C. B., Murphy B. P., Schelly R. C. & McKinstry M. C. (2022). Exploring metapopulation-scale suppression alternatives for a global invader in a river network experiencing climate change. Conservation Biology, 37(1), e13993.
*Ahammad M., Czuba J. A., Pfeiffer A., Murphy B. P. & Belmont P. (2021). Simulated dynamics of mixed versus uniform grain size sediment pulses in a gravel-bedded river. JGR-Earth Surface, 126(10), e2021JF006194.
Jager H. I., Long J. W., Malison R., Murphy B. P., Rust A., Silva L. G. M., Sollmann R., Steel Z. L., Bowen M. D., Dunham J., Ebersole J. L. & Flitcroft R. (2021). Resilience of terrestrial and aquatic fauna to historical and future wildfire regimes in western North America. Ecology and Evolution, 11(18), 1-26.
*Fisher A., Belmont P., Murphy B. P., MacDonald L., Ferrier K. L. & *Hu K. (2021). Natural and anthropogenic controls on sediment rating curves in northern California coastal watersheds. Earth Surface Processes and Landforms, 46(8), 1-19.
Prior to 51ÉçÇøºÚÁÏAppointment:
Murphy B. P., Walsworth T. E., Belmont P., Conner M. M. & Budy P. (2020). Dynamic Habitat Disturbance and Ecological Resilience (DyHDER): modeling population responses to habitat condition. Ecosphere, 11(1), 1-26.
Murphy B. P., Czuba J. A. & Belmont P. (2019). Post-wildfire sediment cascades: a modeling framework linking debris flow generation and network-scale sediment routing. Earth Surface Processes and Landforms, 44(11), 2126-2140.
Murphy B. P., Yocom L. L. & Belmont P. (2018). Beyond the 1984 perspective: narrow focus on modern wildfire trends underestimates future risks to water security. Earth’s Future, 6(11), 1-6.
Murphy B. P., Johnson J. P., Gasparini N. M., Hancock G. S. & Small E. E. (2018). Weathering and abrasion of bedrock streambed topography. Geology, 46(5), 459-462.
DeLong S. B., Youberg A. M., DeLong W. M. & Murphy B. P. (2018). Post-wildfire landscape change and erosional process from repeat terrestrial lidar in a steep headwater catchment, Chiricahua Mountain, Arizona, USA. Geomorphology, 300, 13-30.
Murphy B. P., Johnson J. P., Gasparini N. M. & Sklar L. S. (2016). Chemical weathering as a mechanism for the climatic control of bedrock river incision. Nature, 532, 223-227.
Pangle L. A., DeLong S. B., et al., [including Murphy B. P.] (2015). The Landscape Evolution Observatory: A large-scale controllable infrastructure to study coupled Earth-surface processes. Geomorphology, 224, 190-203.
Han J., Gasparini N. M., Johnson J. P. & Murphy B. P. (2014). Modeling the influence of rainfall gradients on discharge, bedrock erodibility, and river profile evolution, with application to the Big Island, Hawai'i. JGR: Earth Surface, 119, 1418-1440.
SOFTWARE & ONLINE DATASETS (non-refereed)
†David S. R. & Murphy B. P. (2025). PFDF-THREAT. [ArcGIS Toolbox, ver. 1.0, Python]. Available at: [https://github.com/WatershedsWildfireResearchCollaborative/PFDF-THREAT]
Murphy B. P., *Nill, Y. & **Zemp, H. (2025). BWARE Post-Wildfire Natural Hazards Dashboard. [ArcGIS Online Dashboard, ver. 1.0]. Available at: [https://simonfraseru.maps.arcgis.com/apps/dashboards/fae2ff2831ef4c039032991a5a2fa612]
Murphy B. P. & †David S. R. (2025). SEPARATE. [Software Package, ver. 1.0, Python]. Available at: [https://github.com/WatershedsWildfireResearchCollaborative/SEPARATE]
†David S. R. & Murphy B. P. (2023). The USUAL Watershed Tools. [ArcGIS Toolbox, ver. 1.0, Python]. Available at: [https://github.com/WatershedsWildfireResearchCollaborative/USUAL]
Murphy B. P. (2020). DyHDER. [Code Package, ver. 1.0, MATLAB]. Available at: [https://github.com/bpmurphy/DyHDER]
TECHNICAL REPORTS (non-refereed)
†David S., Belmont P. & Murphy B. P. (2025). Geospatial Toolkit for Rapid Assessment of Post- Wildfire Sedimentation Risks to Infrastructure. Utah Department of Transportation – Research & Innovation Division. Final Report. No. UT-22.702.
†David S., Belmont P. & Murphy B. P. (2025). Proactive Planning tool to Reduce Wildfire Sedimentation Risks. Utah Department of Transportation – Research & Innovation Division. Final Report. No. UT-22.701.
Murphy B. P., *Lenton J. & **Nill Y. (2025). Post-wildfire Soil Water Repellency Recovery: McDougall Creek Fire (K52767) & Chehalis River Fire (V10588). BC Ministry of Forests. Final Project Report.
Murphy B. P., *Lenton J. & **Nill Y. (2024). Wildfire Season 2023: Post-wildfire Soil Water Repellency Across Pyro-Ecozones of British Columbia. BC Ministry of Forests. Final Project Report.
Murphy B. P. & *Lenton J. (2023). Post-fire Debris Flow Mapping & Monitoring: Lytton Creek Complex (Lytton Creek Fire (K71086), George Road Fire (K70804), Mowhokam Creek Fire (V11669)). BC Ministry of FLNRORD. Final Project Report.
Murphy B. P. & *Nickell L. (2022). Remotely-Sensed Mapping of Geohazard Events Following Wildfire: Elaho Fire (V30610) & Boulder Creek Fire (V30241). BC Ministry of FLNRORD. Final Project Report.
Belmont P. & Murphy B. P. (2021). Assessing Vulnerability of Reservoirs to Post-wildfire Sedimentation in the Wasatch Front. Utah State University Public Lands Initiative Grants Program. Final Project Report.
Belmont P., Murphy B. P., MacDonald L., *Fisher A., Ferrier K. & *Hu K. (2020). Developing a Sediment Budget for the Upper Elk River, California (FW-FWG-1028) and Sediment Production Rates over Time in Two Sub-watersheds in Little River, California (FW-FWG-1027). National Council on Air and Stream Improvement. Final Project Report.
Wilcock P., Atwood T., Belmont P., *Epperly J., Gaeta J., Hammill E., *Jones J., Murphy B. P. & *Stout J. (2019). Comprehensive Study and Recommendations for Instream Flow Requirements on Sixth Water Creek and Diamond Fork River. Final Project Report.
Courses
Future courses may be subject to change.