Jack Holt
- Professor, Planetary Sciences
- Professor, Geosciences
- Professor, Lunar and Planetary Laboratory
- Member of the Graduate Faculty
Contact
- (520) 621-6963
- Gerard P. Kuiper Space Sci., Rm. 536
- Tucson, AZ 85721
- jwholt@arizona.edu
Bio
No activities entered.
Interests
No activities entered.
Courses
2024-25 Courses
-
Research
PTYS 900 (Spring 2025) -
Planetary Geol Field Std
PTYS 590 (Fall 2024) -
Research
PTYS 900 (Fall 2024)
2023-24 Courses
-
Dissertation
PTYS 920 (Spring 2024) -
Independent Study
PTYS 599 (Spring 2024) -
Planetary Geol Field Std
PTYS 590 (Spring 2024) -
Dissertation
PTYS 920 (Fall 2023)
2022-23 Courses
-
Dissertation
GEOS 920 (Spring 2023) -
Dissertation
PTYS 920 (Spring 2023) -
Radar Remote Sensing
GEOS 549 (Spring 2023) -
Radar Remote Sensing
PTYS 549 (Spring 2023) -
Dissertation
GEOS 920 (Fall 2022) -
Dissertation
PTYS 920 (Fall 2022)
2021-22 Courses
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Planetary Analog Field Methods
PTYS 565 (Summer I 2022) -
Research
PTYS 900 (Summer I 2022) -
Dissertation
GEOS 920 (Spring 2022) -
Dissertation
PTYS 920 (Spring 2022) -
Master's Report
GEOS 909 (Spring 2022) -
Thesis
GEOS 910 (Spring 2022) -
Dissertation
GEOS 920 (Fall 2021) -
Dissertation
PTYS 920 (Fall 2021) -
Master's Report
GEOS 909 (Fall 2021) -
Research
GEOS 900 (Fall 2021) -
Spec Tops in Planetary Science
PTYS 595B (Fall 2021)
2020-21 Courses
-
Dissertation
GEOS 920 (Spring 2021) -
Research
GEOS 900 (Spring 2021) -
Research
GEOS 900 (Fall 2020) -
Research
PTYS 900 (Fall 2020)
2019-20 Courses
-
Radar Remote Sensing
GEOS 549 (Spring 2020) -
Radar Remote Sensing
PTYS 549 (Spring 2020)
Scholarly Contributions
Journals/Publications
- Davesne, D., Holt, J., Navarro, J., & Pastore, A. (2023). Landau sum rules with noncentral quasiparticle interactions. \prc, 108(3), 034003.
- Fr{\'emand}, A. C., Fretwell, P., Bodart, J. A., Pritchard, H. D., Aitken, A., Bamber, J. L., Bell, R., Bianchi, C., Bingham, R. G., Blankenship, D. D., Casassa, G., Catania, G., Christianson, K., Conway, H., Corr, H. F., Cui, X., Damaske, D., Damm, V., Drews, R., , Eagles, G., et al. (2023). Antarctic Bedmap data: Findable, Accessible, Interoperable, and Reusable (FAIR) sharing of 60 years of ice bed, surface, and thickness data. Earth System Science Data, 15(7), 2695-2710.
- Meng, T. M., Aguilar, R., Christoffersen, M. S., Petersen, E. I., Larsen, C. F., Levy, J. S., & Holt, J. W. (2023). Photogrammetric Monitoring of Rock Glacier Motion Using High-Resolution Cross-Platform Datasets: Formation Age Estimation and Modern Thinning Rates. Remote Sensing, 15(19), 4779.
- Meng, T. M., Petersen, E. I., & Holt, J. W. (2023). Rock glacier composition and structure from radio wave speed analysis with dipping reflector correction. Journal of Glaciology, 69(275), 639-657.
- Nerozzi, S., Christoffersen, M. S., Holt, J. W., & Hamilton, C. W. (2023). Evidence of Widespread Volcanic Activity near Hebrus Valles on Mars Revealed by SHARAD. Remote Sensing, 15(20), 4967.
- Tober, B., Holt, J., Christoffersen, M., Truffer, M., Larsen, C., Brinkerhoff, D., & Mooneyham, S. (2023). Comprehensive Radar Mapping of Malaspina Glacier (S\'\it' Tlein), Alaska\textemdashThe World's Largest Piedmont Glacier\textemdashReveals Potential for Instability. Journal of Geophysical Research (Earth Surface), 128(3), e2022JF006898.
- Voigt, J., Hamilton, C., Steinbr{\"ugge}, G., Christoffersen, M., Nerozzi, S., Kerber, L., Holt, J., & Carter, L. (2023). Revealing Elysium Planitia's Young Geologic History: Constraints on Lava Emplacement, Areas, and Volumes. Journal of Geophysical Research (Planets), 128(12), e2023JE007947.
- Jardine, J., Palmer, M., Mahaffey, C., Holt, J., Wakelin, S., & Artioli, Y. (2022). Climatic Controls on the Spring Phytoplankton Growing Season in a Temperate Shelf Sea. Journal of Geophysical Research (Oceans), 127(5), e2021JC017209.
- Nerozzi, S., Ortiz, M. R., & Holt, J. W. (2022). The north polar basal unit of Mars: An Amazonian record of surface processes and climate events. Icarus, 373, 114716.
- Petersen, E. I., & Holt, J. W. (2022). Surface Roughness Prevents Radar Penetration of Some Martian Debris-Covered Glaciers. IEEE Transactions on Geoscience and Remote Sensing, 60, 3094762.
- Putzig, N. E., Foss, I. I., Campbell, B. A., Holt, J. W., Perry, M. R., Smith, I. B., Russell, A. T., Nerozzi, S., Christoffersen, M. S., Mueller, I. H., & Sava, P. C. (2022). New Views of the Internal Structure of Planum Boreum from Enhanced 3D Imaging of Mars Reconnaissance Orbiter Shallow Radar Data. \psj, 3(11), 259.
- Calvin, W. M., Putzig, N. E., Dundas, C. M., Bramson, A. M., Horgan, B. H., Seelos, K. D., Sizemore, H. G., Ehlmann, B. L., Morgan, G. A., & Holt, J. W. (2021). The Mars orbiter for resources, ices, and environments (MORIE) science goals and instrument trades in radar, imaging, and spectroscopy. The Planetary Science Journal, 2(2), 76.
- Diniega, S., Putzig, N. E., Byrne, S., Calvin, W. M., Dundas, C. M., Fenton, L. K., Hayne, P. O., Baker, D. M., Holt, J. W., & Hvidberg, C. S. (2021). Summary of the final report from the Ice and Climate Evolution Science Analysis group (ICE-SAG). Bulletin of the AAS, 53(4).
- Levy, J. S., Fassett, C. I., Holt, J. W., Parsons, R., Cipolli, W., Goudge, T. A., Tebolt, M., Kuentz, L., Johnson, J., Ishraque, F., Cvijanovich, B., & Armstrong, I. (2021). Surface boulder banding indicates Martian debris-covered glaciers formed over multiple glaciations. Proceedings of the National Academy of Science, 118(4), 2015971118.
- Loso, M. G., Larsen, C. F., Tober, B. S., Christoffersen, M., Fahnestock, M., Holt, J. W., & Truffer, M. (2021). Quo vadis, Alsek? Climate-driven glacier retreat may change the course of a major river outlet in southern Alaska. Geomorphology, 384, 107701.
- MacGregor, J. A., Boisvert, L. N., Medley, B., Petty, A. A., Harbeck, J. P., Bell, R. E., Blair, J. B., Blanchard-Wrigglesworth, E., Buckley, E. M., & Christoffersen, M. S. (2021). The scientific legacy of NASA’s Operation IceBridge. Reviews of Geophysics, 59(2).
- MacGregor, J. A., Boisvert, L. N., Medley, B., Petty, A. A., Harbeck, J. P., Bell, R. E., Blair, J. B., Blanchard-Wrigglesworth, E., Buckley, E. M., Christoffersen, M. S., Cochran, J. R., Csath{\'o}, B. M., De, M., Dominguez, R. T., Fahnestock, M. A., Farrell, S. L., Gogineni, S. P., Greenbaum, J. S., Hansen, C. M., , Hofton, M. A., et al. (2021). The Scientific Legacy of NASA's Operation IceBridge. Reviews of Geophysics, 59(2), e00712.
- Ojha, L., Karimi, S., Buffo, J., Nerozzi, S., Holt, J. W., Smrekar, S., & Chevrier, V. (2021). Martian Mantle Heat Flow Estimate From the Lack of Lithospheric Flexure in the South Pole of Mars: Implications for Planetary Evolution and Basal Melting. Geophysical Research Letters, 48(2), e91409.
- Petersen, E. I., & Holt, J. W. (2021). Surface Roughness Prevents Radar Penetration of Some Martian Debris-Covered Glaciers. IEEE Transactions on Geoscience and Remote Sensing.
- Smith, I., Calvin, W. M., Smith, D. E., Hansen, C., Diniega, S., McEwen, A., Thomas, N., Banfield, D., Titus, T. N., & Becerra, P. (2021). Solar-system-wide significance of Mars polar science. Bulletin of the American Astronomical Society, 53(4).
- Smith, I., Hayne, P. O., Byrne, S., Becerra, P., Kahre, M., Calvin, W., Hvidberg, C., Milkovich, S., Buhler, P., & Landis, M. (2021). Unlocking the Climate Record Stored within Mars’ Polar Layered Deposits. Bulletin of the AAS, 53(4).
- Smith, I., Lalich, D., Rezza, C., Horgan, B., Whitten, J., Nerozzi, S., & Holt, J. (2021). A Solid Interpretation of Bright Radar Reflectors Under the Mars South Polar Ice. Geophysical Research Letters, 48(15), e93618.
- Cook, C. W., Bramson, A. M., Byrne, S., Holt, J. W., Christoffersen, M. S., Viola, D., Dundas, C. M., & Goudge, T. A. (2020). Sparse subsurface radar reflectors in Hellas Planitia, Mars. Icarus, 348, 113847.
- Cook, C. W., Bramson, A. M., Byrne, S., Holt, J. W., Christoffersen, M. S., Viola, D., Dundas, C. M., & Goudge, T. A. (2020). Sparse subsurface radar reflectors in Hellas Planitia, Mars. \icarus, 348, 113847.
- Holt, J. (2020). Sand, Sun, Ice, Wind, Dust, and Time: An Updated History of Planum Boreum. LPI Contributions, 2099, 6071.
- Meng, T., Petersen, E., Christoffersen, M., Tober, B., & Holt, J. (2020). Lack of Meltwater May Prevent Radar Sounding Measurements of Supraglacial Debris Thickness in the Martian Midlatitudes. LPI Contributions, 2099, 6066.
- Nerozzi, S., Holt, J., Spiga, A., Forget, F., & Millour, E. (2020). The Early History of Planum Boreum: An Interplay of Water Ice and Sand. LPI Contributions, 2099, 6064.
- Petersen, E., Meng, T., Holt, J., Levy, J., Tober, B., & Christoffersen, M. (2020). Sulphur Creek and Galena Creek, Wyoming: Laboratories for Understanding the Preservation of Debris-Covered Glaciers on Mars. LPI Contributions, 2099, 6053.
- Santoro, F., Tadhunter, C., Baron, D., Morganti, R., & Holt, J. (2020). AGN-driven outflows and the AGN feedback efficiency in young radio galaxies. \aap, 644, A54.
- Smith, I. B., Hayne, P. O., Byrne, S., Becerra, P., Kahre, M., Calvin, W., Hvidberg, C., Milkovich, S., Buhler, P., Landis, M., Horgan, B., Kleinb{\"ohl}, A., Perry, M. R., Obbard, R., Stern, J., Piqueux, S., Thomas, N., Zacny, K., Carter, L., , Edgar, L., et al. (2020). The Holy Grail: A road map for unlocking the climate record stored within Mars' polar layered deposits. \planss, 184, 104841.
- Cockell, C. S., Holt, J., Campbell, J., Groseman, H., Josset, J., Bontognali, T. R., Phelps, A., Hakobyan, L., Kuretn, L., Beattie, A., Blank, J., Bonaccorsi, R., McKay, C., Shirvastava, A., Stoker, C., Willson, D., McLaughlin, S., Payler, S., Stevens, A., , Wadsworth, J., et al. (2019). Subsurface scientific exploration of extraterrestrial environments (MINAR 5): analogue science, technology and education in the Boulby Mine, UK. International Journal of Astrobiology, 18(2), 157-182.
- Lalich, D., Holt, J., & Smith, I. (2019). Radar Reflectivity as a Proxy for the Dust Content of Individual Layers in the Martian North Polar Layered Deposits. Journal of Geophysical Research (Planets), 124(7), 1690-1703.
- Lim, Y., & Holt, J. (2019). Bayesian modeling of the nuclear equation of state for neutron star tidal deformabilities and GW170817. European Physical Journal A, 55(11), 209.
- Nerozzi, S., & Holt, J. (2019). Buried Ice and Sand Caps at the North Pole of Mars: Revealing a Record of Climate Change in the Cavi Unit With SHARAD. \grl, 46(13), 7278-7286.
- Nerozzi, S., Holt, J., Forget, F., Spiga, A., & Millour, E. (2019). Reconstructing the Climate-Driven Evolution of Planum Boreum with Sounding Radar, Visible Imagery and General Circulation Models. LPI Contributions, 2089, 6433.
- Spikes, K. T., Tisato, N., Hess, T. E., & Holt, J. W. (2019). Comparison of geophone and surface-deployed distributed acoustic sensing seismic data. Geophysics, 84(2), A25-A29.
- Whitehead, T., Lim, Y., & Holt, J. (2019). Proton elastic scattering on calcium isotopes from chiral nuclear optical potentials. \prc, 100(1), 014601.
- Brothers, S., Kocurek, G., & Holt, J. (2018). Sequence architecture of the cavi unit, Chasma Boreale, Mars. \icarus, 308, 42-60.
- Cook, C., Brmson, A., Byrne, S., Viola, D., Holt, J., Christoffersen, M., & Dundas, C. (2018). Searching for Subsurface Ice in Hellas Planitia Using SHARAD. LPI Contributions, 2086, 4041.
- Dundas, C., Bramson, A., Ojha, L., Wray, J., Mellon, M., Byrne, S., McEwen, A., Putzig, N., Viola, D., Sutton, S., Clark, E., & Holt, J. (2018). Exposed subsurface ice sheets in the Martian mid-latitudes. Science, 359, 199-201.
- Golynsky, A., Ferraccioli, F., Hong, J., Golynsky, D., Frese, R., Young, D., Blankenship, D., Holt, J., Ivanov, S., Kiselev, A., Masolov, V., Eagles, G., Gohl, K., Jokat, W., Damaske, D., Finn, C., Aitken, A., Bell, R., Armadillo, E., , Jordan, T., et al. (2018). New Magnetic Anomaly Map of the Antarctic. \grl, 45, 6437-6449.
- Holt, J., Kaiser, N., & Whitehead, T. (2018). Tensor Fermi liquid parameters in nuclear matter from chiral effective field theory. \prc, 97(5), 054325.
- Levy, J., Fassett, C., Rader, L., King, I., Chaffey, P., Wagoner, C., Hanlon, A., Watters, J., Kreslavsky, M., Holt, J., Russell, A., & Dyar, M. (2018). Distribution and Characteristics of Boulder Halos at High Latitudes on Mars: Ground Ice and Surface Processes Drive Surface Reworking. Journal of Geophysical Research (Planets), 123, 322-334.
- Meng, T., Petersen, E., Holt, J., Stuurman, C., & Levy, J. (2018). Searching for Climate Signals in the Internal Structure of Terrestrial and Martian Debris-Covered Glaciers. LPI Contributions, 2086, 4028.
- Nerozzi, S., & Holt, J. (2018). Earliest accumulation history of the north polar layered deposits, Mars from SHARAD. \icarus, 308, 128-137.
- Nerozzi, S., & Holt, J. (2018). The Ice and Sand Caps at the North Pole of Mars: Discovering a ``Lost'' Record of Climate Changes. LPI Contributions, 2086, 4022.
- Petersen, E., Holt, J., & Levy, J. (2018). High Ice Purity of Martian Lobate Debris Aprons at the Regional Scale: Evidence From an Orbital Radar Sounding Survey in Deuteronilus and Protonilus Mensae. \grl, 45, 11.
- Smith, I., Putzig, N., & Holt, J. (2018). Renewed Analysis of Buried Deep Structures in the Polar Layered Deposits of Mars with 3-D SHARAD Volumes. LPI Contributions, 2086, 4024.
- Tober, B., Holt, J., Grima, C., & Levy, J. (2018). Subsurface Radar Characterization of Boulder Halos on Mars: Is Ice the Culprit?. LPI Contributions, 2086, 4036.
- Gillespie, M., Lawson, W., Rack, W., Anderson, B., Blankenship, D., Young, D., & Holt, J. (2017). Geometry and ice dynamics of the Darwin-Hatherton glacial system, Transantarctic Mountains. Journal of Glaciology, 63, 959-972.
- Holt, J., & Kaiser, N. (2017). Equation of state of nuclear and neutron matter at third-order in perturbation theory from chiral effective field theory. \prc, 95(3), 034326.
- Holt, J., Kuo, T., Phua, K., Rho, M., & Zahed, I. (2017). Preface. International Journal of Modern Physics E, 26, 1702001.
- Lalich, D., & Holt, J. (2017). New Martian climate constraints from radar reflectivity within the north polar layered deposits. \grl, 44, 657-664.
- Petersen, E., Holt, J., Levy, J., & Lalich, D. (2017). Variability in radar returns from Martian debris-covered glaciers attributed to surface debris layer roughness and composition: implications for the regional distribution of massive subsurface ice and near-surface pore-filling ice.. AGU Fall Meeting Abstracts.
- Brothers, T., & Holt, J. (2016). Three-dimensional structure and origin of a 1.8 km thick ice dome within Korolev Crater, Mars. \grl, 43, 1443-1449.
- Choudhary, P., Holt, J., & Kempf, S. (2016). Surface Clutter and Echo Location Analysis for the Interpretation of SHARAD Data From Mars. IEEE Geoscience and Remote Sensing Letters, 13, 1285-1289.
- Holt, J., Kaiser, N., & Miller, G. (2016). Microscopic optical potential for exotic isotopes from chiral effective field theory. \prc, 93(6), 064603.
- Parsons, R., & Holt, J. (2016). Constraints on the formation and properties of a Martian lobate debris apron: Insights from high-resolution topography, SHARAD radar data, and a numerical ice flow model. Journal of Geophysical Research (Planets), 121, 432-453.
- Smith, I., Putzig, N., Holt, J., & Phillips, R. (2016). An ice age recorded in the polar deposits of Mars. Science, 352, 1075-1078.
- Stuurman, C., Osinski, G., Holt, J., Levy, J., Brothers, T., Kerrigan, M., & Campbell, B. (2016). SHARAD detection and characterization of subsurface water ice deposits in Utopia Planitia, Mars. \grl, 43, 9484-9491.
- Truffer, M., Holt, J., Larsen, C., & Fahnestock, M. (2016). High resolution bed topography for the Malaspina Glacier lobe. AGU Fall Meeting Abstracts.
- Bramson, A., Byrne, S., Putzig, N., Sutton, S., Plaut, J., Brothers, T., & Holt, J. (2015). Widespread excess ice in Arcadia Planitia, Mars. \grl, 42, 6566-6574.
- Brothers, T., Holt, J., & Spiga, A. (2015). Planum Boreum basal unit topography, Mars: Irregularities and insights from SHARAD. Journal of Geophysical Research (Planets), 120, 1357-1375.
- Lalich, D., & Holt, J. (2015). Constraining Dust Content in Individual Martian NPLD Layers Using SHARAD Data. AGU Fall Meeting Abstracts, P51C-2080.
- Smith, I., & Holt, J. (2015). Spiral trough diversity on the north pole of Mars, as seen by Shallow Radar (SHARAD). Journal of Geophysical Research (Planets), 120, 362-387.
- Smith, I., Spiga, A., & Holt, J. (2015). Aeolian processes as drivers of landform evolution at the South Pole of Mars. Geomorphology, 240, 54-69.
- Stuurman, C., Levy, J., Holt, J., Harrison, T., & Osinski, G. (2015). Radar-Assisted Mapping of Massive Ice in Western Utopia Planitia, Mars: Degradational Mechanisms and Implications for Surface Evolution. AGU Fall Meeting Abstracts, P51C-2078.
- Holt, J., Larsen, C., Levy, J., & Petersen, E. (2014). Quantifying the Flow Kinematics of Debris-Covered Glaciers with Repeat Airborne LiDAR and Photogrammetry. AGU Fall Meeting Abstracts, C31B-0300.
- Le Meur, E., Sacchettini, M., Garambois, S., Berthier, E., Drouet, A., Durand, G., Young, D., Greenbaum, J., Holt, J., Blankenship, D., Rignot, E., Mouginot, J., Gim, Y., Kirchner, D., Fleurian, B., Gagliardini, O., & Gillet-Chaulet, F. .. (2014). Two independent methods for mapping the grounding line of an outlet glacier - an example from the Astrolabe Glacier, Terre Ad\'elie, Antarctica. The Cryosphere, 8, 1331-1346.
- Putzig, N., Phillips, R., Campbell, B., Mellon, M., Holt, J., & Brothers, T. (2014). SHARAD soundings and surface roughness at past, present, and proposed landing sites on Mars: Reflections at Phoenix may be attributable to deep ground ice. Journal of Geophysical Research (Planets), 119, 1936-1949.
Proceedings Publications
- Adam, L., Bridges, J., Bowden, D., Holt, J., & Bedford, C. (2023, may). Synchrotron X-ray Diffraction for Early Characterisation of Sealed Mars2020 Samples. In EGU General Assembly Conference Abstracts.
- Nerozzi, S., Spurling, R., & Holt, J. (2023, mar). Evidence of a Magmatic Trigger of Water Release and Widespread Volcanic Activity in the Hebrus Valles and Hephaestus Fossae Outflow Channel Region, Mars. In LPI Contributions, 2806.
- Voigt, J., Hamilton, C., Steinbr{\"ugge}, G., Christoffersen, M., Nerozzi, S., Kerber, L., Holt, J., & Carter, L. (2023, mar). Revealing Elysium Planitia's Young Geologic History: Constraining Lava Emplacement Styles, Areas, and Volumes. In LPI Contributions, 2806.
- Nerozzi, S., Christoffersen, M., & Holt, J. (2022, mar). The Basal Unit at the North Pole of Mars: Recent Findings and New Opportunities. In 53rd Lunar and Planetary Science Conference, 2678.
- Nerozzi, S., Spurling, R., Ortiz, M., Panzarella, L., & Holt, J. (2022, mar). Geologic Mapping and Radar Sounding in Hebrus Valles and Hephaestus Fossae, Mars. In 53rd Lunar and Planetary Science Conference, 2678.
- Bardabelias, N., Holt, J., Hamilton, C., Christoffersen, M., & Hadland, N. (2021, mar). Characterizing Morphology of Lava Tubes in El Malpais National Monument Using Ground Penetrating Radar and LIDAR. In 52nd Lunar and Planetary Science Conference.
- Christoffersen, M., Holt, J. W., Wagner, N., Tober, B., Kuehn, T., Truffer, M., Devaux-Chupin, V., Loso, M., & Thomspon, A. (2021, 2021). Transient Electromagnetic Soundings of the Malaspina Glacier, Alaska. In AGU Fall Meeting 2021.
- Devaux-Chupin, V., Fahnestock, M. A., Truffer, M., Holt, J. W., Loso, M., Jones, T., Christoffersen, M., Kuehn, T., Thompson, A. C., & Tober, B. (2021, 2021). Ice-Flow and Surge History of the Malaspina Glacier, Alaska, From Landsat and Sentinel Data, and Autonomous Repeat Image Feature Tracking (autoRIFT).. In AGU Fall Meeting 2021.
- Kuehn, T., Holt, J. W., Johnson, R. A., Nerozzi, S., Wagner, N., Meng, T., Devaux-Chupin, V., Tober, B., Christoffersen, M., & Truffer, M. (2021, 2021). Shallow Seismic Exploration in Proglacial and Supraglacial Debris-Covered Environments, Malaspina and Sourdough Glaciers, Alaska. In AGU Fall Meeting 2021.
- Levy, J., Cipolli, W., Ishraque, F., Johnson, J., Kuentz, L., Armstrong, I., Cvijanovich, B., Tebolt, M., Goudge, T., Fassett, C., Parsons, R., & Holt, J. (2021, mar). Boulder Bands on Lobate Debris Aprons: Debris-Covered Glacier Growth at Martian Mid-Latitudes Spans Multiple Glaciations. In 52nd Lunar and Planetary Science Conference.
- Meng, T., Petersen, E. I., & Holt, J. W. (2021, 2021). A Novel Technique for Wavespeed Determination in Ground-Penetrating Radar Applied to the Problem of Constraining Ice Content and Subsurface Geometry in Rock Glaciers. In AGU Fall Meeting 2021.
- Nerozzi, S., Tober, B., Ortiz, M., & Holt, J. (2021, mar). Revealing the Geologic and Fluvial History of Hebrus Valles and Hephaestus Fossae on Mars. In 52nd Lunar and Planetary Science Conference.
- Russell, A. T., Bain, Z. M., Perry, M., Putzig, N. E., Foss, F. J., Morgan, G. A., Chuang, F., Campbell, B. A., Plaut, J., & Holt, J. W. (2021, 2021). Analysis of water ice volume from 3D radar imaging of lobate debris aprons on Mars. In AGU Fall Meeting 2021.
- Smith, I., Calvin, W., Smith, D., Hansen, C., Diniega, S., McEwen, A., Thomas, N., Banfield, D., Titus, T., Becerra, P., Kahre, M., Forget, F., Hecht, M., Byrne, S., Hvidberg, C., Hayne, P., Head, I., Mellon, M., Horgan, B., , Mustard, J., et al. (2021, may). Solar-System-Wide Significance of Mars Polar Science. In Bulletin of the American Astronomical Society, 53.
- Smith, I., Hayne, P. O., Byrne, S., Becerra, P., Kahre, M., Calvin, W., Hvidberg, C., Milkovich, S., Buhler, P., Landis, M., Horgan, B., Kleinb{\"ohl}, A., Perry, M. R., Obbard, R., Stern, J., Piqueux, S., Thomas, N., Zacny, K., Carter, L., , Edgar, L., et al. (2021, may). Unlocking the Climate Record Stored within Mars' Polar Layered Deposits. In Bulletin of the American Astronomical Society, 53.
- Tober, B., Holt, J. W., Truffer, M., Larsen, C., Christoffersen, M., & Gulick, S. P. (2021, 2021). Uncovering the Glacially-Obscured Tectonic Structure of the St. Elias Orogen. In AGU Fall Meeting 2021.
- Truffer, M., Brinkerhoff, D., Fahnestock, M. A., Holt, J. W., Larsen, C. F., Loso, M., Timm, K., Jones, T., Christoffersen, M., & Devaux-Chupin, V. (2021, 2021). Assessment of Malaspina Glacier’s Vulnerability Through Field Data and Modelling. In AGU Fall Meeting 2021.
- Bardabelias, N., Holt, J., & Christoffersen, M. (2020, jan). Potential Detection of Martian Lava Tubes from Mars Global Cave Candidate Catalog Skylight Locations Using SHARAD. In 3rd International Planetary Caves Conference, 2197.
- Bardabelias, N., Holt, J., Christoffersen, M., & Keszthelyi, L. (2020, mar). Investigating the Potential for Detection of Martian Lava Tubes Using SHARAD. In Lunar and Planetary Science Conference.
- Christoffersen, M., & Holt, J. (2020, mar). A Generalized Surface Clutter Simulator for the Analysis of Spaceborne Radar Sounding Data and Application to the Shallow Radar Instrument on the Mars Reconnaissance Orbiter. In Lunar and Planetary Science Conference.
- Levy, J., Nerozzi, S., Mikus, S., Ishraque, F., Tebolt, M., & Holt, J. (2020, mar). Clast Attributes of Martian Boulder Halos: Semi-Automated Boulder Segmentation and Geochemical Finger-Printing of Regional Halo Attributes. In Lunar and Planetary Science Conference.
- Meng, T., Petersen, E., & Holt, J. (2020, mar). Insolation-Driven Variability in Debris-Covered Glaciers on Mars and Earth. In Lunar and Planetary Science Conference.
- Nerozzi, S., Ortiz, M., & Holt, J. (2020, mar). The Basal Unit: An Amazonian Record of Mars' North Polar History. In Lunar and Planetary Science Conference.
- Nerozzi, S., Ortiz, M., & Holt, J. (2020, may). The Basal Unit at the North Pole of Mars: An Amazonian Record of Mars' Polar Aeolian and Glacial History. In Sixth International Planetary Dunes Workshop, 2188.
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