Publications and Presentations


Beckers, K. F., S. M. Beyers, J. O. Gustafson, T. E. Jordan, P. M. Fulton, and J. W. Tester, 2022, Investigating Performance of Geothermal Reservoirs With Bi-Directional Heat Transfer for Seasonal Thermal Storage Using Thermal-Hydraulic Reservoir Simulations: GRC Transactions, conference proceedings v. 46

Beyers, S., K. Beckers, and J. W. Tester, 2022, Innovative Thermal Strategies: Electrification’s Best Friend: GRC Transactions, v. 46

Pinilla G., D. M., P. Fulton, and T. E. Jordan, 2022, Re-evaluating the critically-stressed crust / permeable fracture hypothesis in anticipation of results from the Cornell University Borehole Observatory (CUBO): GRC Transactions, v. 46

Molan, Y.E., Pritchard, M.E., and Lohman, R.B., 2022, Proof-of-concept for monitoring ground displacements in Tompkins County, NY using Persistent Scatterer Interferometric Synthetic Aperture Radar from the TerraSAR-X and Sentinel-1 satellites: v. eCommons, p. 1–26.


Abers, G.A., Katz, Z.S., Pritchard, M.E., Fulton, P., Gustafson, O., Ferris, A., and Salerno, J., 2022, Seismic Monitoring Around a Potential Deep Geothermal Site in Upstate New York: CorNET (abstract): Seismological Research Letters, v. 93, p. 1244.


Beckers, K.F., Rangel-Jurado, N., Chandrasekar, H., Hawkins, A.J., Fulton, P.M., and Tester, J.W., 2022, Techno-Economic Performance of Closed-Loop Geothermal Systems for Heat Production and Electricity Generation: Geothermics, v. 100, p. 102318.


Rangel Jurado, N., Thermal Performance Evaluations of Fractured and Closed-Loop Geotheral Reservoirs (MSc thesis): Cornell University, 88 p.

Tester, J.W., Beckers, K., Hawkins, A.J., and Lukawski, M.Z., 2021, The evolving role of geothermal energy for decarbonizing the United States: Energy & Environmental Science, v. 14, p. 6211–6241.

Suhey, J., Katz, Z., Zhang, M., Ferris, A., Pritchard, M., Salerno, J., and Hubbard, P.G., J. Olaf, 2021, Analysis of Cornell University’s Seismic Networks for the Earth Source Heat Initiative: Cornell University eCommons, Technical Reports and Datasets, p. 46 p., 3 supplemental files.


Durga, S., Beckers, K.F., Taam, M., Horowitz, F., Cathles, L.M., and Tester, J.W., 2021, Techno-economic analysis of decarbonizing building heating in Upstate New York using seasonal borehole thermal energy storage: Energy and Buildings, v. 241, p. 110890.



Jordan, T., Fulton, P., Tester, J., Bruhn, D., Asanuma, H., Harms, U., Wang, C., Schmitt, D., Vardon, P.J., Hofmann, H., Pasquini, T., Smith, J., and workshop participants, 2020, Borehole research in New York State can advance utilization of low-enthalpy geothermal energy, management of potential risks, and understanding of deep sedimentary and crystalline geologic systems: Scientific Drilling, v. 28, p. 75–91.


Jordan, T., Fulton, P., Tester, J., Asanuma, H., and Bruhn, D., 2020, Exploring by boring: Geothermal wells as research tools: Eos, Transactions American Geophysical Union, v. 101,

Beentjes, I., Bender, J.T., Hawkins, A.J., and Tester, J.W., 2020, Chemical dissolution drilling of barre granite using a sodium hydroxide enhanced supercritical water jet: Rock Mechanics and Rock Engineering, v. 53, p. 483–496.


Tester, J., S. M. Beyers, J. O. Gustafson, T. E. Jordan, J. D. Smith, J. A. Al Aswad, K. F. Beckers, R. Allmendinger, L. D. Brown, F. Horowitz, D. May, T. M. Khan, and M. E. Pritchard, 2020, District Geothermal Heating Using EGS Technology to Meet Carbon Neutrality Goals: A Case Study of Earth Source Heat for the Cornell University Campus: Proceedings World Geothermal Congress, Iceland, p. 1-22.


Calvin A. Whealton, J. R. S., Jared D. Smith, Teresa E. Jordan, Franklin G. Horowitz, Maria C. Richards, 2020, Multicriteria spatial screening and uncertainty analysis applied to direct-use geothermal projects: International Journal of Geographical Information Science, v. 34, p. 2053-2076.


Smith, J., and K. Beckers, 2020, Uncertainty and Sensitivity Analysis for Geothermal Reservoir Performance and Techno-Economic Assessments: A Software Package for GEOPHIRES: Proceedings World Geothermal Congress, Iceland


Cathles, L. M., 2020, Hydrologic challenges to heating Cornell using Earth Source Heat (ESH) and a strategy for meeting them. Technical report, 22 p.


Beyers, S., and O. Racle, 2020, SuperCOPs: Hybrid Geothermal Heat Pump Systems for Exceptional Economics, Environmental Performance, and Operational Control: World Geothermal Congress, Iceland


McLeod, L., Brown, L., Quiros, D., and Gustafson, J.O., 2020, Earthquakes in an Aseismic Region: Local Seismic Network Results for Central New York An AVF Investigation. Cornell University eCommons, Technical Reports and Datasets (16.2 Mb), p. 1-48.


Horowitz, Frank, 2020, FINAL REPORT: Potential Field Surveys, Analyses, and Interpretation for Cornell’s Earth Source Heat Project: Cornell University eCommons, Technical Reports and Datasets (10.37Mb)

permanent link:



Jefferson Tester, Teresa Jordan, Steve Beyers, Olaf Gustafson, Jared Smith, 2019, Final Report – Earth Source Heat: A Cascaded Systems Approach to DDU of Geothermal Energy on the Cornell Campus: U.S. Department of Energy,


Zurmuhl, D.P., Lukawski, M.Z., Aguirre, G.A., Law, W.R., Schnaars, G.P., Beckers, K.F., Anderson, C.L., and Tester, J.W., 2019, Hybrid geothermal heat pumps for cooling telecommunications data centers: Energy and Buildings, v. 188, p. 120–128.


May, Daniel, Brown, Larry, Gustafson, Olaf, and Khan, Tasnuva, 2019, Seismic Studies in Support of Earth Source Heating at Cornell University: Stratigraphy in the Vicinity of ESH Candidate Drill Sites from Multichannel Seismic Reflection Profiling in 2018: Cornell University eCommons, Technical Reports and Datasets (40.72Mb)

permanent link:


Jordan, Teresa, 2019, Geological evaluation of subsurface features near Ithaca, NY: interpretations of seismic reflection profiles collected by the petroleum industry: Cornell University eCommons, Technical Reports and Datasets (25.43Mb)

permanent link:


J. Olaf Gustafson, Jared D. Smith, Stephen M. Beyers, Jood A. Al Aswad, Teresa E. Jordan, Jefferson W. Tester, Tasnuva Ming Khan. (2019). Risk Reduction in Geothermal Deep Direct-Use Development for District Heating: A Cornell University Case Study. 2019 Stanford Geothermal Workshop. Direct Use I Session, Stanford University, CA, Feb. 11.


Cathles, Lawrence M., 2019, The value of fracture seismic imaging to safe earth source heat extraction (abstract): American Geophysical Union Fall meeting, NG13C-0762

(The corresponding poster can be accessed at the following URL, and then scroll to the bottom of the page)




Hawkins, A.J., Becker, M.W., and Tester, J.W., 2018, Inert and adsorptive tracer tests for field measurement of flow‐wetted surface area: Water Resources Research, v. 54, p. 5341–5358.


J.O. Gustafson, J.D. Smith, S.M. Beyers, J.A. Al Aswad, T.E. Jordan, and J.W. Tester. (2018). Earth source heat: Feasibility of deep direct use of geothermal energy on the Cornell campus. Accepted in GRC Transactions, 42.


Smith, J.D., J.A. Al Aswad, T.E. Jordan, J.W. Tester, and J.R. Stedinger. (2018). Uncertainty Analysis of Analytical and Numerical Geothermal Reservoir Simulations for Direct-Use Heating Applied to Cornell University, Ithaca, NY. Conventional and Enhanced Geothermal Systems: Characterization, Integration, Stimulation, Simulation, and Induced Seismicity I Oral Session. 2018 American Geophysical Union Fall Meeting, Washington, D.C., Dec. 12.


Jordan, T.E., J.D. Smith, J.A. Al Aswad, J.O. Gustafson, J.W. Tester, and S.M. Beyers. (2018). The Geothermal Heating Resource for Cornell University, Tompkins County, New York: Exploiting and Analyzing Available Geological and Geophysical Data Sets for Pre-Drill Site Characterization. Geoscience and Sustainable Energy Solutions Poster Session. 2018 American Geophysical Union Fall Meeting, Washington, D.C., Dec. 13.


Horowitz, F.G., Khan, T. M., Boedo, E.F., Moruzzi, S.A., and Gustafson, J.O. (2018). A Gravity Survey Nearby Cornell University Looking for Structures Potentially Interfering with a Proposed Geothermal Campus Heating Project. Geoscience and Sustainable Energy Solutions Posters Session. 2018 American Geophysical Union Fall Meeting, Washington, D.C., Dec 13.


Al Aswad, J.A., Jordan, T.E., Smith, J.D., Gustafson, J.O. (2018). Porosity, Permeability and Paleotopographic Analysis: A Geological Interpretation of in-situ Geothermal Reservoir Quality at Cornell University, Ithaca, New York. Hydrogeology and Energy Oral Session. The Geological Society of America Annual Meeting, Indianapolis, Indiana, Nov 5. 


Camp, Erin, Jordan, Teresa, Hornbach, Matthew, Whealton, Calvin. (2018). A probabilistic application of oil and gas data for exploration stage geothermal reservoir assessment in the Appalachian Basin: Geothermics, v. 71, p. 187-199.


Zurmuhl, D.P., Lukawski, M.Z., Aguirre, G.A., Law, W.R., Schnaars, G.P., Beckers, K.F., Anderson, C.L., and Tester, J.W., 2019, Hybrid geothermal heat pumps for cooling telecommunications data centers: Energy and Buildings, v. 188, p. 120–128.


Beckers, K.F., Aguirre, G.A., and Tester, J.W., 2018, Hybrid ground-source heat pump systems for cooling-dominated applications: Experimental and numerical case-study of cooling for cellular tower shelters: Energy and Buildings, v. 177, p. 341–350.




Hawkins, A.J., Fox, D.B., Becker, M.W., and Tester, J.W., 2017, Measurement and simulation of heat exchange in fractured bedrock using inert and thermally degrading tracers: Water Resources Research, v. 53, p. 1210–1230.


Jordan, Teresa and Geothermal Play Fairway Analysis team. (2017). Final Report: Low Temperature Geothermal Play Fairway Analysis for the Appalachian Basin: Archive of reports and products.


Aguirre, G.A., Beckers, K.F., Lukawski, M.Z., and Tester, J.W., 2017, Hybrid ground-source heat pumps for cooling cellular tower shelters: from campus living laboratory to nationwide deployment: v. Proceedings, 42nd Workshop on Geothermal Reservoir Engineering, Stanford University.




Tester, J.W., Reber, T.J., Beckers, K.F., and Lukawski, M.Z., 2016, Deep geothermal energy for district heating: lessons learned from the US and beyond, eds., chapter in book “Advanced district heating and cooling (DHC) systems”, p. 75–98.


Jordan, Teresa, Camp, Erin R., Smith, Jared, Whealton, Calvin, Horowitz, Franklin G., Stedinger, Jery R., Tester, Jefferson W., Richards, Maria, Frone, Zachary, Bolat, Rahmi, Hornbach, Matthew, Chickering Pace, Cathy, Magnani, Beatrice, Anderson, Brian, He, Xiaoning, and Welcker, Kelydra. (2016). Low-Temperature Geothermal Play Fairway Analysis for the Appalachian Basin: Proceedings Stanford Geothermal Conference, Stanford, CA, February 22-24, 2016, SGP-TR-209


Camp, Erin, and Jordan, T.E., (2016). Feasibility study of repurposing Trenton–Black River gas fields for geothermal heat extraction, southern New York: Geosphere, v. 13, no. 1, p. GES01230-GES01–14. 




Beckers, K.F., Koch, D.L., and Tester, J.W., 2015, Slender-body theory for transient heat conduction: theoretical basis, numerical implementation and case studies: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, v. 471, p. 20150494.


Tester, J., Reber, T., Beckers, K., Lukawski, M., Camp, E., Aguirre, G. A., Jordan, T., and Horowitz, F. (2015). Integrating Geothermal Energy Use into Re-building American Infra-structure, in Proceedings: Melbourne, Australia, Proceedings World Geothermal Congress.


Stutz, G. R., Shope, E., Aguirre, G.A., Batir, J., Frone, Z., Williams, M., Reber, T.J., Whealton, C.A., Smith, J.D., Richards, M.C., Blackwell, D.D., Tester, J.W., Stedinger, J.R., and Jordan, T.E.. (2015). Geothermal Energy Characterization in the Appalachian Basin of New York and Pennsylvania: Geosphere, v. 11, no. 5, p. 1291-1304, [DOI: 10.1130/GES00499.1]


Beckers, K.F., Lukawski, M.Z., Aguirre, G.A., Hillson, S.D., and Tester, J.W., 2015, Hybrid low-grade geothermal-biomass systems for direct-use and co-generation: from campus demonstration to nationwide energy player: v. Proceedings, 40th workshop on geothermal reservoir engineering, Stanford University, Stanford, California.




Beckers, K.F., Lukawski, M.Z., Anderson, B.J., Moore, M.C., and Tester, J.W., 2014, Levelized costs of electricity and direct-use heat from Enhanced Geothermal Systems: Journal of Renewable and Sustainable Energy, v. 6, p. 013141.