CUSSP Publications

Published research, emerging publications, and external presentations represent the collaborative approach by the multi-institutional CUSSP team.

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Published Research

  1. Simonnin, P. G., S. Kerisit, E. Nakouzi, T. C. Johnson, K. M. Rosso. Structure and Dynamics of Aqueous Electrolytes at Quartz (001) and (101) Surfaces. J. Phys. Chem C, 2024. DOI: 10.2021.acs.jpcc.4c00693
  2. Legg, B. A., Y. Zhu, E. Nakouzi, T. C. Johnson, K. M. Rosso. Dynamics of Electric Polarization and Relaxation of Ions at Humid Calcite Surfaces. J. Phys. Chem. C, 2024. DOI: 10.1021.acs.jpcc.4c00107
  3. Johnson, T. C., Burghardt, J., Strickland, C., Sirota, D., Vermeul, V., Knox, H., Schwering, P., Blankenship, D., Kneafsey, T., Team, E. C. 2024. 4D Electrical Resistivity Imaging of Stress Perturbations Induced During High-Pressure Shear Stimulation Tests. Geophysical Research Letters, 51, (10), e2024GL108423; DOI: 10.1029/2024GL108423
  4. Johnson, T. C., Burghardt, J. A., Hammond, G. E., Karra, S., Jaysaval, P., Rosso, K. M., Hyman, J. D. Electrical Resistivity Tomography based monitoring of stress perturbations to optimize placement of high precision strain meters. In 2024 American Rock Mechanics Association Symposium, American Rock Mechanics Association: Golden, CO, 2024. DOI: 10.56952/ARMA-2024-1130
  5. Jamil, A., Rucker, D. F., Lu, D., Brooks, S. C., Tartakovsky, A. M., Cao, H. P., Carroll, K. C. 2024. Comparison of machine learning and electrical resistivity arrays to inverse modeling for locating and characterizing subsurface targets. Journal of Applied Geophysics, 229, 105493; DOI: 10.1016/j.jappgeo.2024.105493
  6. Salazar Vasquez, A. F., Selvadurai, P. A., Bianchi, P., Madonna, C., Germanovich, L. N., Puzrin, A. M., Wiemer, S., Giardini, D., Rabaiotti, C. 2024. Aseismic Strain Localization Prior to Failure and Associated Seismicity in Crystalline Rock. Scientific Reports, 14, (1), 29954; DOI: 10.1038/s41598-024-75942-9
  7. Nakouzi, E., Kerisit, S. N., Heo, J., Legg, B. A., Sassi, M., Simonnin, P., Rosso, K. M. 2025. Effect of Ions on Solution Structure and Hydration Forces at the Orthoclase–Water Interface. The Journal of Physical Chemistry C, 129, (15), 7550-7559; DOI: 10.1021/acs.jpcc.5c01034
  8. Zhong, C., Johnson, T. C., Hammond, G. E., Karra, S., Jaysaval, P., and K. M. Rosso. "Meshing, Multiphysics Modeling, and Field-Scale Assimilation for EGS and Geophysical Sensing." Paper presented at the 59th U.S. Rock Mechanics/Geomechanics Symposium, Santa Fe, New Mexico, June 2025. doi: https://doi.org/10.56952/ARMA-2025-0841
  9. Underwood, T. R., Kerisit, S. N., and Rosso, K. M. 2025. Hydration and Applied Electric Field Effects on the Structure, Dynamics, and Conductivity of Aqueous Electrolytes at the (104) Calcite Interface. Journal of Physical Chemistry C, 129(33), 14968-14982. DOI: https://doi.org/10.1021/acs.jpcc.5c01788
  10. Simonnin, P. G., Kerisit, S. N., Johnson, T. C., Rosso, K. M. 2025. Structure and Dynamics of Water and Ions at Quartz (101) and (001) Surfaces under Applied Electric Fields from Molecular Simulations. Journal of Physical Chemistry C, e202401147, DOI: https://doi.org/10.1002/cphc.202401147
  11. Nolte, D. D.; Pyrak‐Nolte, L. J.; Hopp, C. 2025. Monitoring Fracture Hydromechanical Evolution in the Lab and Field Using Unsupervised Metric Learning. Journal of Geophysical Research: Machine Learning and Computation, 2 (3), e2025JH000657. DOI: https://doi.org/10.1029/2025jh000657
  12. Wang Y., McCreight J. L., Hughes J. D. and Tartakovsky A. M. 2025. Total Uncertainty Quantification in Inverse Solutions with Deep Learning Surrogate Models. Journal of Computational Physics, 541, 114315, https://doi.org/10.1016/j.jcp.2025.114315
  13. Roudini S., Murdoch L. C., DeWolf S., Shojaei M. 2025. Characterizing Reservoir Boundaries using the Shallow Strain Tensor Measured During Well Tests. Journal of Hydrology, 661, 133743; doi: 10.1016/j.jhydrol.2025.133743
  14. Zong Y. and Tartakovsky A. M. 2026. Mathematics of digital twins and transfer learning for systems governed by PDE models. Computer Methods in Applied Mechanics and Engineering, 448,  https://doi.org/10.1016/j.cma.2025.118450
  15. Roudini S., Murdoch L. C., DeWolf S. 2026. Strain Type-Curve Analysis During Recovery Using Evolutionary Polynomial Regression for Evaluating Confined Reservoir Properties. International Journal for Numerical and Analytical Methods in Geomechanics, 50,(8), 3355-3369; https://doi.org/10.1002/nag.70284

Emerging Publications

  1. Han, K., and Pyrak-Nolte, L. J. (accepted): Effect of Mineral Fabric and Veins on Fracture Geometry and Surface Roughness. 60th US ROCK MECHANICS / GEOMECHANICS SYMPOSIUM proceedings paper.
  2. Chen, R., R.L. Detwiler, M.J. Qomi, et al. (in review): How Mineral Precipitation Seals Fractures. PNAS.
  3. Hyman, J. D.; Dell-Oca, A.; Navarre-Sitchler, A.; Viswanathan, H. S. (in review): Modeling Coupled Dissolution–Precipitation and Flow in Fractured Media: Sensitivity of Carbon Mineralization to Subsurface Heterogeneity. Transport in Porous Media.
  4. Jamil, A., Lu, D., Tartakovsky, A. M., Rucker, D. F., Brooks, S. C., Wang, Y., Shaik, F., Brungard, C., Yuan, Y., Carroll, K. C. (in review): Subsurface Sloping-Layer Interface Mapping with Otsu Technique and SVD Reduced-Dimensionality Neural Network ERT Inversion. Vadose Zone Journal.
  5. Owusu, J.P., Rosso K.M., R. Detwiler R., and M.J. Qomi. (in review): Understanding Ion Conductivity in nanopores. Nature Communications.
  6. Salazar V’asquez, A.F., Germanovich, L.N., Puzrin, A.M., Rabaiotti, C. (in review): Early Onset of Strain Localisation and Fracture Evolution in Intact-Rock Faulting. JGR - Solid Earth. 
  7. Wang and Tartakovsky (in review): When and Why Transfer Learning Works in Deep Operator Networks: A Moment-Equation Analysis. Journal of Chemical Physics.
  8. Zong and Tartakovsky (in review): VAE-DNN: Energy-Efficient Trainable-by-Parts Surrogate Model For Parametric Partial Differential Equations. Journal of Chemical Physics.
  9. Al Kubaisy, J.; Hammond, G.; Karra, S.; Burghardt, J.; Murdoch, L. C.; Johnson, T. C.; Rosso, K. Verification of a sequential thermo-poroelasticity formulation in PFLOTRAN. arXiv preprint (Target Journal: Computational Geosciences and/or Geoscientific Model Development) 2026, DOI: https://doi.org/10.48550/arXiv.2607.01156.

     
  10. Al Kubaisy, J.A., G.E. Hammond, S. Karra, J. Burghardt, T.C. Johnson, P. Jaysaval , C. Zhong, K.M. Rosso et al. (in prep): Conceptual Model Development for a Packer Inflation Test in PFLOTRAN.
  11. Chen, W. and A. Tartakovsky et al., (in prep) Linearized Physics-Informed Neural Networks. Journal of Computational Physics. 
  12. Chen, W. and A. Tartakovsky et al., (in prep) Learning the hidden physics of mixing controlled chemical reactions. Water Resources Research.
  13. Hager, T. F., Mandolini, T., Zhu., (in prep): Non-dilatant brittle deformation and its electrical signature in Yates Amphibolite. JGR.
  14. Jaysaval, P., Hammond, G.E., Johnson, T.C., Karra, S., Burghardt, J., Zhong, C., Al Kubaisy, J.A., Mills, R., Lichtner, R., and Rosso, K.M., (in prep): Coupled THMC-E simulations using PFLOTRAN. Geoscientific Model Development.
  15. Kirshen, A., A. Navarre-Sitchler, K. Swager, and J. Burghardt, J. Hyman. (in prep): Geochemical reactions and mixing control produced water chemistry during fractured rock injection experiment. Chemical Geology.
  16. Paskin, A., S. Song, B. Legg, K. Rosso, and P. Fenter (in prep): Effect of Mg(II) ion on calcite-water interfacial reactivity: An operando microscopy study. Journal of Physical Chemistry C. 
  17. Sutton, C.R., J.D. Hyman, and A. Navarre-Sitchler (in prep): Reactive flow and transport on a bipartite graph representation of fracture networks. Journal of Computational Physics.
  18. Underwood, T.R., K.M. Rosso et al. (in prep): When Pores Polarize: Brownian Dynamic Simulations of Charge Transport in Heterogeneous Slit Pores. Journal of Chemical Physics.
  19. Zhong, C., T.C. Johnson, G.E. Hammond, J. Burghardt, S. Karra, J. Jaysaval, J.A. Al Kubaisy, and many others (in prep): Predictive THMC-E Modeling of Early Thermal Breakthrough in EGS: Validation and Application to the SURF 4100-Level Testbed. Journal of Geophysical Research: Solid Earth.

External Presentations (2024 – Present)

  1. Rosso K.M. 05/28/2024. "Center for Understanding Subsurface Signals and Permeability (CUSSP)." Presented by K.M. Rosso at SC Energy Earthshots Director/Lead PI Management Meeting,  Virtual Meeting, Washington. PNNL-SA-198650.
  2. Rosso K.M. 07/17/2024. "Overview of the Center for Understanding Subsurface Signals and Permeability." Presented by K.M. Rosso at Briefing to DOE's Geothermal Technologies Office,  Virtual Meeting, Washington. PNNL-SA-201100.
  3. Murdoch L., S. Dewolf, L. Germanovich, J. Parris, and H. Arhin. 10/29/2024. "Using the Strain Tensor to Characterize the Subsurface,  Thrust 2." Presented by L. Murdoch at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205258.
  4. Owusu J., R. Detwiler, and M. Qomi. 10/29/2024. "Leveraging Atomistic and Mesoscale Simulations to Understand Electrical Signals from Reacting Rocks in EGS." Presented by M. Qomi at CUSSP All-hands Meeting at SURF, Lead, South Dakota. PNNL-SA-205233.
  5. Song S., B.A. Legg, K.M. Rosso, and T.R. Underwood. 10/29/2024. "Exploring Ion Adsorption and Mobility at Mineral-Water Interfaces." Presented by S. Song at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205250.
  6. Zhong C., T.C. Johnson, G.E. Hammond, S. Karra, and P. Jaysaval. 10/29/2024. "Meshing and Multi-Physics Modeling of EGS Reservoirs." Presented by C. Zhong at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205252.
  7. Al Kubaisy J., G.E. Hammond, S. Karra, J.A. Burghardt, and K.M. Rosso. 10/16/2025. "Development of sequentially coupled hydro-mechanical approaches in PFLOTRAN." Online, Louisiana. PNNL-SA-217200.
  8. Burghardt J.A., and K.M. Rosso. 05/16/2024. "The Value of Underground Field Laboratories for Advancing Geothermal Energy." Presented by J.A. Burghardt at Conference on Science at the Sanford Underground Research Facility, Rapid City, South Dakota. PNNL-SA-198600.
  9. Johnson T.C., J.A. Burghardt, G.E. Hammond, S. Karra, P. Jaysaval, K.M. Rosso, and J.D. Hyman. 06/26/2024. "Electrical Resistivity Tomography based monitoring of  stress perturbations to optimize placement of high-precision strain meters." Presented by J.A. Burghardt at American Rock Mechanics Association Symposium, Golden, Colorado. PNNL-SA-199964.
  10. Underwood T.R. 03/20/2025. "Clays in the Computer." Presented by T.R. Underwood at BYU - Invited speaker to Geoscience department,  Provo, Utah. PNNL-SA-209694.
  11. Rosso K.M. 06/18/2025. "Mastering reactive flow through fracture networks in the deep subsurface." Presented by K.M. Rosso at International Association of Geochemistry Conference (IAGC) 2025, Cagliari, Italy. PNNL-SA-212255.
  12. Underwood T.R., and K.M. Rosso. 08/04/2025. "A Brownian Dynamics Model of Flow and Transport in Microporous Media:
    A Case Study of Spectral Induced Polarization." Presented by T.R. Underwood at Gordon Research Conference: Chemistry and Physics of Liquids,  Holderness, New Hampshire. PNNL-SA-214833.
  13. Rosso K.M. 03/24/2026. "Toward Predictive Simulations of Reactive Fluid Flow through Fracture Networks in Enhanced Geothermal Systems." Presented by K.M. Rosso at ACS Spring Meeting 2026,  Atlanta, Georgia. PNNL-SA-221642.
  14. Underwood T.R. 03/25/2025. "A Brownian Dynamic Model of Flow and Transport in Microporous Media: A Case Study applied to Spectral Induced Polarization." Presented by T.R. Underwood at ACS 2025 Spring Meeting, San Diego, California. PNNL-SA-209621.
  15. Al Kubaisy J., G.E. Hammond, S. Karra, J.A. Burghardt, and K.M. Rosso. 05/21/2025. "Coupled THM Processes in PFLOTRAN for Modeling Enhanced Geothermal Systems." Albuquerque, New Mexico. PNNL-SA-211560.
  16. Rosso K.M. 05/16/2025. "Overview of the Center for Understanding Subsurface Signals and Permeability." Presented by K.M. Rosso at Briefing to the M3L Team, University of Texas, El Paso,  El Paso, Texas. PNNL-SA-211752.
  17. Rosso K.M. 05/28/2025. "Mastering Reactive Flow through Fracture Networks in the Deep Subsurface: A Multiscale Grand Challenge for Clean Energy." Presented by K.M. Rosso at Engineering Mechanics Institute Conference (EMI 2025),  Anaheim, California. PNNL-SA-211824.
  18. Johnson T.C., J.A. Burghardt, G.E. Hammond, P. Jaysaval, C. Zhong, J. Al Kubaisy, and S. Karra, et al. 10/10/2025. "Recent Advancements in Electrical Resistivity Tomography for Monitoring High-Stress Processes in Crystalline Rock." Presented by T.C. Johnson at 8th Annual Biot Conference on Poromechanics,  Salt Lake City, Utah. PNNL-SA-212702.
  19. Rosso K.M. 08/20/2025. "Addressing Challenges for Enhanced Geothermal Systems at the Intersection of Chemistry, Rock Mechanics, and Geophysical Sensing." Presented by K.M. Rosso at American Chemical Society Fall Meeting 2025,  Washington, District Of Columbia. PNNL-SA-215164.
  20. Rosso K.M. 09/10/2025. "Enhanced Geothermal Systems and the CUSSP Experiment." Presented by K.M. Rosso at Deeper Talks Seminar - Institute for Underground Science at SURF,  Virtual Meeting, Washington. PNNL-SA-216298.
  21. Hammond G.E., J. Al Kubaisy, P. Jaysaval, S. Karra, and P.C. Lichtner. 10/29/2024. "Advances in PFLOTRAN Capabilities." Presented by G.E. Hammond at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205163.
  22. Paskin A., and P. Fenter. 10/29/2024. "Understanding multi-cation effects on calcite dissolution/precipitation." Presented by P. Fenter at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205172.
  23. Burghardt J.A. 10/29/2024. "EGS Collab Experiment Refresher." Presented by J.A. Burghardt at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205167.
  24. Chen R., R. Detwiler, and M. Qomi. 10/29/2024. "Evolution of Hydraulic Conductivity During Fluid-Rock InteractionsRuoyuChen1." Presented by R. Chen at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205231.
  25. Hager T., T. Mandolini, and W. Zhu. 10/29/2024. "Triaxial Deformation of Yates AmphiboliteTravis F." Presented by T. Hager at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205236.
  26. Han K., and L.J. Pyrak-Nolte. 10/29/2024. "Investigating Fracture Propagation and Surface Geometry of SURF Rock: Exploring the Effects of Foliation and Mineral Veins." Presented by K. Han at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205232.
  27. Owusu J., M. Qomi, and R. Detwiler. 10/29/2024. "Understanding Fluid-Rock Interactions at the Nanoscale: Impact on Electrical Signals from MD Simulations." Presented by J. Owusu at CUSSP All-hands Meeting at SURF, Lead, South Dakota. PNNL-SA-205237.
  28. Navarre-Sitchler A.K. 10/29/2024. "Understanding Yates reactive phases and
    reactive flow modeling." Presented by A.K. Navarre-Sitchler at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205256.
  29. Burghardt J.A. 10/29/2024. "Overview of DEMO-FTES." Presented by J.A. Burghardt at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205234.
  30. Arhin H., J. Parris, S. Dewolf, L. Germanovich, and L. Murdoch. 10/29/2024. "Characterizing reservoir permeability changes using the strain response to well testingHenry." Presented by H. Arhin at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205248.
  31. Paskin A., and P. Fenter. 10/29/2024. "Effects of dissolved ions on interfacial reactivity of CaCO3." Presented by A. Paskin at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205249.
  32. Swagger K., and A.K. Navarre-Sitchler. 10/29/2024. "Microfluidic experiments of fractured rocks to investigate reactive transport processes." Presented by K. Swagger at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205253.
  33. Underwood T.R. 10/29/2024. "Spectral Induced Polarization at the Molecular Level." Presented by T.R. Underwood at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205254.
  34. Wang Y. 10/29/2024. "A Bayesian Reduced-order Deep Learning Model for Electrical Resistivity Prediction and Subsurface Material Properties Estimation." Presented by Y. Wang at CUSSP All-hands Meeting at SURF, Lead, South Dakota. PNNL-SA-205247.
  35. Kirshen A., K. Swagger, J.A. Burghardt, J.D. Hyman, and A.K. Navarre-Sitchler. 12/15/2025. "Influence of geochemical reactions on fracture permeability using an intermediate-scale field experiment and reactive transport simulations." Presented by A. Kirshen at American Geophysical Union Annual Meeting,  New Orleans, Louisiana. PNNL-SA-216354.
  36. Rosso K.M. 10/29/2025. "Developing Next Generation THMC Simulations for EGS." Presented by K.M. Rosso at Geothermal Rising Conference 2025,  Reno, Nevada. PNNL-SA-217198.
  37. Wu H., and L.J. Pyrak-Nolte. 10/29/2024. "Investigating Chemical Alterations of SURF Rock Fractures Using Micro-CT Imaging." Presented by H. Wu at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205251.
  38. Rosso K.M., J.A. Burghardt, R. Detwiler, P. Fenter, G.E. Hammond, C. Hopp, and T.C. Johnson, et al. 09/04/2024. "Center for Understanding Subsurface Signals and Permeability (CUSSP)." Presented by K.M. Rosso at Science Summit for Energy Earthshot Innovation,  Rockville, Maryland. PNNL-SA-202401.
  39. Rosso K.M. 08/22/2024. "Center for Understanding Subsurface Signals and Permeability." Presented by K.M. Rosso at Circle Group: Energy Earthshot Meeting,  Online Meeting, Washington. PNNL-SA-202829.
  40. Qomi M., R. Detwiler, P. Fenter, A.K. Navarre-Sitchler, K.M. Rosso, T.C. Johnson, and R. Chen, et al. 09/04/2024. "Exploring Fluid-Rock Interactions at the Nano and Micro Scales: Impact on Permeability and Electrical Signals in EGS." Presented by M. Qomi at Science Summit for Energy Earthshot Innovation,  Rockville, Maryland. PNNL-SA-203792.
  41. Rosso K.M. 10/29/2024. "CUSSP Overview and Meeting Goals." Presented by K.M. Rosso at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205166.
  42. Zhu W., T. Mandolini, and T. Hager. 10/29/2024. "Microscale and Geophysical Characterization." Presented by W. Zhu at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205168.
  43. Tartakovsky A.M., and Y. Wang. 10/29/2024. "What are we learning with Machine Learning?." Presented by A.M. Tartakovsky at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205173.
  44. Roggenthen B. 10/29/2024. "Testbed geology." Presented by B. Roggenthen at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205171.
  45. Detwiler R. 10/29/2024. "Permeability alteration of induced fractures due to chemical reactions and mechanical deformation." Presented by R. Detwiler at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205169.
  46. Hopp C., D. Nolte, and L.J. Pyrak-Nolte. 10/29/2024. "CASSM: Seismic Characterization of Fracture Properties at SURF." Presented by C. Hopp at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205202.
  47. Al Kubaisy J., J.A. Burghardt, G.E. Hammond, J.D. Hyman, P. Jaysaval, T.C. Johnson, and S. Karra, et al. 10/29/2024. "Development of a multi-physics fracture flow and sensing models for the testbed." Presented by T.C. Johnson at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205203.
  48. Pyrak-Nolte L.J. 10/29/2024. "Geophysical & Geomechanical Characterization of Reacting Fractures." Presented by L.J. Pyrak-Nolte at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205204.
  49. Al Kubaisy J., G.E. Hammond, J.A. Burghardt, and S. Karra. 10/29/2024. "Coupled THM Processes in PFLOTRAN for Modeling EGS." Presented by J. Al Kubaisy at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205230.
  50. Almodovar J., O. Parra, R. Detwiler, and M. Qomi. 10/29/2024. "Stress-Enhanced Calcite Dissolution and Precipitation: Theoretical and Experimental Insights." Presented by J. Almodovar at CUSSP All-hands Meeting at SURF, Lead, South Dakota. PNNL-SA-205235.
  51. Kirshen A., K. Swagger, and A.K. Navarre-Sitchler. 10/29/2024. "Core flow-through experiments and reactive transport simulations to predict fracture permeability evolution." Presented by A. Kirshen at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205229.
  52. Mandolini T., T. Hager, and W. Zhu. 10/29/2024. "3D study of a deformed Yates amphibolite using X-ray Computed TomographyTommaso." Presented by T. Mandolini at CUSSP All-hands Meeting at SURF,  Lead, South Dakota. PNNL-SA-205228.
  53. Nolte D., C. Hopp, T.C. Johnson, and L.J. Pyrak-Nolte. 09/22/2026. "Seismic and Electrical Projection Tomography of an Enhanced Geothermal System by Continuous State Monitoring During Flow Stimulation." Presented by D. Nolte at Coufrac2026, Uppsala, Sweden. PNNL-SA-218945.
  54. Nolte D., C. Hopp, and L.J. Pyrak-Nolte. 11/25/2026. "Seismic Projection Tomography and Continuous State Monitoring for Enhanced Geothermal Systems." Presented by D. Nolte at 14th Asian Rock Mechanics Symposium, Fukuoka, Japan. PNNL-SA-218906.