Research And Development
Innovation and Stewardship for a Sustainable Tomorrow
INTERA invests time and money into research and development projects with the goal of driving stewardship forward. Our team has a long history of R&D contributions, and we invite you to explore our active projects and history of publications.
Active Projects
MODFLOW 6 and Adjoint Sensitivity
MF6-ADJ:Bringing the Benefits of Adjoint Sensitivity to MODFLOW 6 MF6-ADJ is a new non-intrusive adjoint sensitivity tool that brings the power and…
pyEMU: Python Modules for Model-Independent Uncertainty Analyses, Data-Worth Analyses, and Interfacing with PEST(++)
Primary INTERA Participants: Jeremy White (lead developer), Ahmad Askar, Mohamed Hayek, Rui Hugman, Katie Markovich Challenge: To address the challenges associated with…
PEST++: A Software Suite for Parameter Estimation, Uncertainty Analysis, Management Optimization, and Sensitivity Analysis
Primary INTERA Participants: Jeremy White (lead developer), Ahmad Askar, Mohamed Hayek, Rui Hugman, Katie Markovich Challenge: To develop a suite of software…
nSIGHTS: Well Test Interpretation Simulator and Analytic Routines for Parameter Estimation, Optimization, and Uncertainty Quantification
Primary INTERA Participants: Randy Roberts (lead developer), Rick Beauhiem (lead developer) Challenge: To develop a well-test interpretation simulator capable of addressing low-permeability…
Peer-Reviewed Publications
A. F. Mashaly, A. Hanson, K. Perez, A. Fernald (2026). Dynamic Water Budget Modeling to Fill Knowledge Gaps and Improve Water Management in Arid and Semi-Arid Regions. Hydrological Processes.
R. Arthur, H. Sasamoto, P. Epping, Y. Tachi (2023). Paleoclimatic controls on natural tracer profiles in biogenic sedimentary formations of the Horonobe area, Japan. Applied Geochemistry.
C. S. Walker, R. Arthur, S. Anraku, H. Sasamoto, M. Mihara (2024). Thermodynamic properties and revised Helgeson-Kirkham-Flowers equations of state parameters of the hydrated and dehydrated monomeric silica species at t = 0.01–600o C, P = 1–3000 bars, ρH2O = 0.35–1.1 g cm− 3 , and Im = 0 m. Applied Geochemistry.
D. A. Benson, S. Miller, J. Barber (2026). Markov-chain Monte Carlo estimation of aquifer parameters, non-linear well losses, and probable costs of water extraction. Journal of Hydrology.
Hunter Manlove, J. L. Banner (2024). Geochemical evolution of municipal water in a natural hydrologic system and implications for urban watershed resilience. PLOS Water.
M. Hayek (2025). Simple closed-form approximate analytical solutions for horizontal infiltration in soils with power-law diffusivity. Journal of Hydrology.
E. Kubi, H. Rahnema, A. Koray, B. Shabani (2026). Underground Hydrogen Storage in Saline Aquifers: A Simulation Case Study in the Midwest United States. Eng.
E. Kubi, H. Rahnema, A. Koray, B. Shabani (2025). Underground Hydrogen Storage: Steady-State Measurement of Hydrogen–Brine Relative Permeability with Gas Slip Correction. Gases.
