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Ortiz, J. P., Rajaram, H., Stauffer, P. H., Lewis, K. W., Wiens, R. C., & Harp, D. R. (2024). Sub-diurnal methane variations on Mars driven by barometric pumping and planetary boundary layer evolution. Journal of Geophysical Research: Planets. 129, e2023JE008043. doi:10.1029/2023JE008043.
Ortiz, J. P., Rajaram, H., Stauffer, P. H., Harp, D. R., Wiens, R. C., & Lewis, K. W. (2022). Barometric Pumping Through Fractured Rock: A Mechanism for Venting Deep Methane to Mars' Atmosphere. Geophysical Research Letters, 49(14), doi:10.1029/2022GL098946.
Neil, C. W., Boukhalfa, H., Xu, H., Ware, S. D., Ortiz, J., Avendaño, S., Harp, D. R., Broome, S., Hjelm, R. P., Brug, W. P., & Stauffer, P. H. (2022). Gas diffusion through variably-water-saturated zeolitic tuff: Implications for transport following a subsurface nuclear event. Journal of Environmental Radioactivity, 250, 106905.
Avendaño, S. T., Harp, D. R., Kurwadkar, S., Ortiz, J. P., & Stauffer, P. H. (2021). Continental‐Scale Geographic Trends in Barometric‐Pumping Efficiency Potential: A North American Case Study. Geophysical Research Letters, 48(17), e2021GL093875.
Petrie, E. S., Bradbury, K. K., Cuccio, L., Smith, K., Evans, J. P., Ortiz, J. P., Kerner, K., Person, M., & Mozley, P. (2020). Geologic characterization of nonconformities using outcrop and core analogs: hydrologic implications for injection-induced seismicity. Solid Earth, 11(5), 1803-1821.
Bourret, S. M., Kwicklis, E. M., Harp, D. R., Ortiz, J. P., & Stauffer, P. H. (2020). Beyond Barnwell: Applying lessons learned from the Barnwell site to other historic underground nuclear tests at Pahute Mesa to understand radioactive gas-seepage observations. Journal of Environmental Radioactivity, 222, 106297.
Ortiz, J. P., Person, M. A., Mozley, P. S., Evans, J. P., & Bilek, S. L. (2019). The role of fault‐zone architectural elements on pore pressure propagation and induced seismicity. Groundwater, 57(3), 465-478.
Harp, D. R., Ortiz, J. P., & Stauffer, P. H. (2019). Identification of dominant gas transport frequencies during barometric pumping of fractured rock. Scientific Reports, 9(1), 1-9.
Stauffer, P. H., Rahn, T., Ortiz, J. P., Salazar, L. J., Boukhalfa, H., Behar, H. R., & Snyder, E. E. (2019). Evidence for high rates of gas transport in the deep subsurface. Geophysical Research Letters, 46(7), 3773-3780.
Harp, D. R., Ortiz, J. P., Pandey, S., Karra, S., Anderson, D., Bradley, C., Viswanathan, H., & Stauffer, P. H. (2018). Immobile pore-water storage enhancement and retardation of gas transport in fractured rock. Transport in Porous Media, 124(2), 369-394.
Stauffer, P. H., Rahn, T. A., Ortiz, J. P., Salazar, L. J., Boukhalfa, H., & Snyder, E. E. (2018). Summary of a Gas Transport Tracer Test in the Deep Cerros Del Rio Basalts, Mesita del Buey, Los Alamos NM (No. LA-UR-17-31351). Los Alamos National Lab.(LANL), Los Alamos, NM (United States).
Ortiz, J. P. The Role of Fault-Zone Architectural Elements and Basal Altered Zones on Downward Pore Pressure Propagation and Induced Seismicity in the Crystalline Basement. New Mexico Institute of Mining and Technology.
Zhang, Y., Edel, S. S., Pepin, J., Person, M., Broadhead, R., Ortiz, J. P., Bilek, S. L., Mozley, P. S., & Evans, J. P. (2016). Exploring the potential linkages between oil‐field brine reinjection, crystalline basement permeability, and triggered seismicity for the Dagger Draw Oil field, southeastern New Mexico, USA, using hydrologic modeling. Geofluids, 16(5), 971-987.
Ortiz, J. P. Quantifying regional sediment flux from observations of nearshore morphology in the Columbia River Littoral Cell. Dartmouth College Senior Honors Thesis Collection.
Cohn, N., Ruggiero, P., Ortiz, J. P., & Walstra, D. J. (2014). Investigating the role of complex sandbar morphology on nearshore hydrodynamics. Journal of Coastal Research, (70 (10070)), 53-58.
Invited Talk at Los Alamos Middle School, Los Alamos, NM
Conference Talk at AGU 2023 Fall Meeting, San Francisco, CA
Invited Talk at CSES Symposium, Los Alamos, NM
Poster at LANL Student Symposium, Los Alamos, NM
Invited Talk at Los Alamos Geological Society, Los Alamos, NM
Invited Talk at New Mexico Tech / NM Bureau of Geology and Mineral Resources, Socorro, NM
Poster at AGU 2022 Fall Meeting, Chicago, IL
Seminar at Johns Hopkins University, Baltimore, MD
Invited Talk at Sandia National Laboratory, Albuquerque, NM
Invited Talk at Sandia National Laboratory, Albuquerque, NM
Seminar at Johns Hopkins University, Baltimore, MD
Invited Talk at Los Alamos National Laboratory, Los Alamos, NM
Seminar at Los Alamos National Laboratory, Los Alamos, NM
Seminar at Johns Hopkins University, Baltimore, MD
Seminar at Los Alamos National Laboratory, Los Alamos, NM
Seminar at Johns Hopkins University, Baltimore, MD
Seminar at Los Alamos National Laboratory, Los Alamos, NM
Poster at LANL Student Symposium, Los Alamos, NM
Poster at AGU 2018 Fall Meeting, Washington D.C.
Poster at AGU 2018 Fall Meeting, Washington D.C.
Seminar at Los Alamos National Laboratory, Los Alamos, NM
Conference Talk at InterPore 10th Annual Meeting, New Orleans, LA
Poster at InterPore 10th Annual Meeting, New Orleans, LA
Conference Talk at AGU 2017 Fall Meeting, New Orleans, LA
Seminar at Los Alamos National Laboratory, Los Alamos, NM
Poster at LANL Student Symposium, Los Alamos, NM
Conference Talk at GSA Annual Meeting, Denver, CO.
Poster at AGU 2013 Fall Meeting, San Francisco, CA