Cyril Grima, Ph.D.

Research Associate, Planetary Science

Institute for Geophysics
J.J. Pickle Research Campus
Building 196
10100 Burnet Road (R2200)
Austin, TX 78758-4445



2011 Ph.D. in Earth and Space Science IPAG, Grenoble, France

2007 M.S. in Solid Earth Geophysics Univ. Grenoble Alpes, France

2006 M.S. in Space Technologies Univ. Toulouse III, France

2005 B.D. in Physics Univ. Versailles & Univ. Grenoble Alpes, France

2001 A.D. in Mechanical Engineering IUT Angoulême, France


2015-.. Research Associate UTIG, Austin, Tx, USA • Propagation/Inversion of radar data in planetary environments

2011-15 Postdoctoral Fellow UTIG, Austin, Tx, USA • Development of a novel radar technique for planetar surface properties characterization • Key personal for two radar-sounders definition teams for the exploration of Europa, Jupiter's moon • Polar aerogeophysical campaigns in the Antarctic and Arctic

2007-11 Ph.D. IPAG, Grenoble, France • Title: “Surface and subsurface of Mars by radar sounding: MRO/SHARAD analysis” • Ice purity characterization of the martian north polar cap • Formation hypothesis of Martian ice scarps unknown on Earth • Global mapping of the Mars radar surface reflectivity

2007 (6 m.) Master Thesis IPAG, Grenoble, France • Data processing of penetrating radar data from the SHARAD instrument, NASA's Mars Reconnaissance Orbiter

2006 (6 m.) Master Thesis IRF, Kiruna, Sweden • Plasma clouds detection and study of Kelvin-Helmholtz instabilities at the martian ionopause • Usage of the ASPERA-3 spectro-analyser data set (MarsExpress)

2005 (2 m.) Internship, ISTerre, Grenoble, France • Crustal thickness derivation beneath the western Alps by application of the receiver-function method • Field operations on a seismologic station network

2004 (1 m.) Internship, LATMOS, France • Assistance in the development of an extrasolar planet detection method

2003 (9 m.) Mechanical Designer, 2MI Group, Montluçon, France • Isostatic means and funding equipments design for the production of car engines (PSA, Opel)

Field Work

2014 (1 m.) Geophysical Airborne survey in Greenland & Canadian Arctic
2012 (2 m.) Geophysical Airborne survey in Antarctica
2012 (1 m.) Geophysical Airborne survey in Greenland
2011 (2 m.) Geophysical Airborne survey in Antarctica

Science Team Membership

2016-19 NASA's East Antarctic Grounding Line Experiment (EAGLE) (Co-I)
2015-18 NASA's Joint radar and model investigations of Greenland basal water conditions (Co-I)
2015-30 NASA's Radar for Europa Assessment and Sounding: Ocean to Near-Surface (REASON) (Co-I)
2015-17 NASA's Cassini RADAR (Associate Team Member)
2013-30 ESA's Radar for Icy Moon Exploration (RIME) (Collaborator)



2015-now Coordinator of the Reflectometry Measurement Implementation Group for the REASON instrument
2015-now Coordinator of the Plasma Measurement Implementation Group for the REASON instrument
2015-now Co-conveneer at the Radar Investigations of Planetary Surfaces and Subsurfaces session of the AGU Fall Meeting

Reviewer (Publons)

• Advances in Space Research (2) • Annals of Glaciology (1) • Earth and Planetary Science Letters (2) • Geophysical Research Letters (2) • Journal of the Geological Society of London (1) • Journal of Geophysical Research (2) • IEEE Geoscience and Remote Sensing Letters (1) • IEEE Transactions on Geoscience and Remote Sensing (6) • Icarus (1) • NASA panels (2) • Nature (2) • Remote Sensing (1) • Radio Science (4) • The Cryosphere (2) • University of Missouri Research Board Grant (2)


2018 Eric Ivan Petersen Ph.D. Committee
2017 Dan Lalich Ph.D. Committee
2017 Wei Wei Examining Committee
2017 Laura Lindzey Examining Committee
2017 UTIG Technical Staff Evaluation Committee
2016 UTIG Postdoctoral Fellowship Committee

Supervision and Mentoring

2018- Kirk Scanlan (Post-Doc)
2018- Gregor Steinbrugge (Post-Doc)
2017- Kristian Chan (GRA)
2014-18 Anja Rutishauser (GRA)
2013-16 Erika Lopez Garcia (URA)
2012-14 Arami Rosales (URA)
2012-13 Cassidy Cura (High School)
2012-13 Blake Karwoski (High School)
2012-13 Elena Arnold (High School)
2010 Adrien Tavernier (URA)
2010 Solmaz Adéli (URA)
2009-10 Aurélien Stolzenbach (URA)
2008 Anthony Servain (URA)

Awards & Grants


2017 UTIG Outstanding Young researcher Award
2013 Recognition from the European Space Agency for "outstanding contribution to the Mars Express mission"
2012 Nomination at the Thesis Award of the Université de Grenoble (22 nominees out of ~900 thesis)


2019-2022 Deciphering the Martian Surface and Near-Surface with Radar statistics • NASA • PI: Grima • $466K

2016-18 Joint Radar and Model Investigations of Greenland Basal Water Conditions • NASA • PI: Schroeder • $701K
2016-18 East Antarctic Grounding Line Experiment (EAGLE) • NSF • PI: Young • $724K
2015-30 Radar for Europa Assessment and Sounding: Ocean to Near-surface (REASON) • NASA • PI: Blankenship • ~$150M
2015 Radar Statistical Reconnaissance of the Martian surface in support of the InSight landing site selection • South West Research Institute • PI: Grima • $15K
2014-17 Surface Statistical Reconnaissance on Titan: Preliminary Assessments with the Cassini Radar • Jet Propulsion Laboratory • PI: Blankenship • $100K
2013-14 Ice Penetrating Radar for Planetary Exploration (ICEE) • Jet Propulsion Laboratory • PI: Moussessian • $500K
2013 Radar Surface Statistical Reconnaissance of Mars for Landing Site and Geological Characterization of Planetary Bodies • Jackson School of Geosciences Seed Grant • PI: Young • $15K
2011-14 Postdoctoral Fellowship • Institute for Geophysics at the University of Texas at Austin • $180K
2007-09 Mars Express MARSIS Level 5 Total Electron Content (TEC) derived data • European Space Agency • ~$60K


Refereed Publications (Google Scholar)

(*Mentored Students/Postdocs)

  1. Lopes R. M. C., Wall S. D., Elachi C., Birch S. P. D., Corlies P., Coustenis A., Hayes A. G., Hofgartner J. D., Janssen M. A., Kirk R. L., LeGall A., Lorenz R. D., Lunine J. I., Malaska M. J., Mastroguiseppe M., Mitri G., Neish C. D., Notarnicola C., Paganelli F., Paillou P., Poggiali V., Radebaugh J., Rodriguez S., Schoenfeld A., Soderblom J. M., Solomonidou A., Stofan E. R., Stiles B. W., Tosi F., Turtle E. P., West R. D., Wood C. A., Zebker H. A., Barnes J. W., Casarano D., Encrenaz P., Farr T., Grima C., Hemingway D., Karatekin O., Lucas A., Mitchell K. L., Ori G., Orosei R., Ries P., Riccio D., Soderblom L. A., Zhang Z., 2019, Titan as Revealed by the Cassini Radar, Space Science Reviews, Volume 215, Issue 4, article id. 33, 50 pp.

  2. *L. M. Scanlan, C. Grima, G. Steinbrugge, S. D. Kempf, D. A. Young, D. D. Blankenship, in press, Geometric Determination of Ionospheric Total Electron Content from Dual Frequency Radar Sounding Measurements, Planetary and Space Science.
  3. Grima C., I. Koch, J. S. Greenbaum, K. M. Soderlund, D. D. Blankenship, D. A. Young, D. M. Schroeder, S. Fitzsimons, in press, Surface and Basal Boundary Conditions at the Southern McMurdo and Ross Ice Shelves, Antarctica, Journal of Glaciology.
  4. *A. Rutishauser, D.D. Blankenship, M. Sharp, M. L. Skidmore, J. S. Greenbaum, C. Grima, D. M. Schroeder, J. A. Dowdeswel and D. A. Young, 2018, Discovery of a hypersaline subglacial lake complex beneath Devon Ice Cap, Canadian Arctic. Science Advances 4(4), eaar4353, doi:10.1126/sciadv.aar4353
  5. *G. Steinbrugge, D.M. Schroeder, M.S. Haynes, H. Hussmann, C. Grima, D.D. Blankenship, 2018, Assessing the potential for measuring Europa’s tidal Love number h2 using radar sounder and topographic imager data, Earth and Planetary Science Letters, Volume 482, 334-341. doi:10.1016/j.epsl.2017.11.028
  6. Castelletti D., D. M. Schroeder, S. Hensley, C. Grima, G. Ng, D. Young, Y. Gim, L. Bruzzone, A. Moussessian and D. D. Blankenship 2017. An Interferometric Approach to Cross-Track Clutter Detection in Two Channel VHF Radar Sounders, IEEE Transactions on Geoscience and Remote Sensing, in press
  7. Grima C., M. Mastrogiuseppe, A. G. Hayes, S. D. Wall, R. D. Lorenz, J. D. Gardner, B. Stiles, C. Elachi, 2017, Surface Roughness of Titan’s Hydrocarbon Seas, Earth and Planetary Science Letters 474, 20-24, doi:10.1016/j.epsl.2017.06.007.
  8. *A. Rutishauser, C. Grima, M. Sharp, D. Blankenship, D. Young, F. Cawkwell, J. Dowdeswell, 2016, Characterizing near-surface firn using the scattered signal component of the glacier surface return from airborne radio-echo sounding, Geophysical Research Letters, doi:10.1002/2016GL071230.
  9. Golombek M., D. Kipp, N. Warner, I. J. Daubar, R. Fergason, R. Kirk, R. Beyer, A. Huertas, S. Piqueux, N. E. Putzig, B. A. Campbell, G. A. Morgan, C. Charalambous, W. T. Pike, K. Gwinner, F. Calef, D. Kass, M. Mischna, J. Ashley, C. Bloom, N. Wigton, T. Hare, C. Schwartz, H. Gengl, L. Redmond, J. Sweeney, C. Grima, I. B. Smith, E. Sklyanskiy, M. Lisano, J. Benardino, S. Smrekar, P. Lognonné, W. B. Banerdt, 2016, Selection of the InSight Landing Site, Space Science Reviews, doi:10.1007/s11214-016-0321-9.
  10. Putzig N. E., G. A. Morgan, B. A. Campbell, C. Grima, I. B. Smith, R. J. Phillips, M. P. Golombek, 2016, Radar derived Properties of the InSight Landing Site in Western Elysium Planitia on Mars, Space Science Reviews, doi:10.1007/s11214-016-0322-8.
  11. Schroeder D., B. Campbell, L. Bruzzone, A. Romero-Wolf, D. Blankenship, C. Grima, W. Kofman, L. Carrer, 2016, Assessing the potential for passive radio sounding of Europa and Ganymede with RIME and REASON, Planetary ans Space Science, in press, doi:10.1016/j.pss.2016.10.007.
  12. Poggiali V., M. Mastrogiuseppe, A. Hayes, R. Seu, S. Birch, R. Lorenz, C. Grima , J. Kargel, J. Hofgartner, 2016, Liquid Filled Canyons on Titan, Geophysical Research Letters, doi:10.1002/2016GL069679.
  13. Grima C., J. S. Greenbaum, *E. Lopez Garcia, K. M. Soderlund, *A. Rosales, D. D. Blankenship, D. A. Young, 2016, Radar detection of the brine extent at McMurdo Ice Shelf, Antarctica, and its control by snow accumulation, Geophysical Research Letters, doi:10.1002/2016GL069524
  14. Vance T., J. Roberts, A. Moy, M. Curran, C. Tozer, A. Gallant, N. Abram, T. van ommen, D. Young, C. Grima, D. Blankenship, M. Siegert, 2016, Optimal site selection for a high resolution ice core. Clim. Past 12, 595-610.
  15. Grima C., D. D. Blankenship, D. M. Schroeder. 2015, Radar Signal Propagation Through the Ionosphere of Europa. Planetary and Space Science 117, 421-428.
  16. Schroeder D. M., C. Grima, D. D. Blankenship. 2015, Evidence for Variable Grounding Zone Extent and Shear Margin Bed Conditions Across Thwaites Glacier, West Antarctica. Geophysics, vol.81, NO 1.
  17. Sánchez-Cano B., D.D. Morgan, O. Witasse, S.M. Radicella, M. Herraiz, R. Orosei, M. Cartacci, A. Cicchetti, R. Noschese, W. Kofman, C. Grima, J. Mouginot, D.A. Gurnett, M. Lester, P.-L. Blelly, H. Opgenoorth and G. Quinsac, 2015, Total Electron Content in the martian atmosphere: a critical assessment of the Mars Express MARSIS datasets, Journal of Geophysical Research: Space Physics,doi: 10.1002/2014JA020630.
  18. Grima, C., Blankenship, D. D., Young, D. A., and Schroeder, D. M.`2014, Surface slope control on firn density at Thwaites Glacier, West Antarctica: Results from airborne radar sounding. Geophysical Research Letters 41(19), 6787-6794.
  19. Grima, C., Schroeder, D. M., Blankenship, D. D., and Young, D. A., 2014, Planetary landing zone reconnaissance using ice penetrating radar data: concept validation in Antarctica. Planetary and Space Science 103, 191-204.
  20. Schroeder, D. M, Blankenship, D. D., Raney, K. R., Grima, C., 2014, Estimating subglacial water geometry using radar bed echo specularity: application to Thwaites Glacier, Antarctica. IEEE Geoscience and Remote Sensing Letter 12(3), 443-447.
  21. Grima, C., 2014, Comments on 'An inversion of Planetary Rough Surface Permittivity From Radar Sounder Observations'. IEEE Antenna and Wireless Propagation Letter, 13(1), pp. 1-2 .
  22. Lasue, J., Mangold, N., Hauber, E., Clifford, S., Feldman, W., Gasnault, O., Grima, C., Maurice S., Mousis O., 2013, Quantitative assessments of the martian hydrosphere. Space Science Reviews, Volume 174, Issue 1-4, 155-212.
  23. Grima, C., Kofman, W., Herique, A., Orosei, R., and Seu, R., 2012, Quantitative analysis of Mars surface radar reflectivity at 20 MHz. Icarus, 220, 84-99.
  24. Grima, C., Costard, F., Kofman, W., Saint-Bézar, B., Servain, A., Rémy, F., Mouginot, J., et al., 2011, Large asymmetric polar scarps on Planum Australe, Mars: Characterization and evolution. Icarus, 212(1), 96-109.
  25. Mouginot, J., Pommerol, a., Kofman, W., Beck, P., Schmitt, B., Hérique, A., Grima, C., et al., 2010, The 3-5MHz global reflectivity map of Mars by MARSIS/Mars Express: Implications for the current inventory of subsurface H2O. Icarus, 210(2), 612-625.
  26. Pommerol, A., Kofman, W., Audouard, J., Grima, C., Beck, P., Mouginot, J., Hérique, A., et al., 2010, Detectability of subsurface interfaces in lunar maria by the LRS/SELENE sounding radar: Influence of mineralogical composition. Geophysical Research Letters, 37(3), 1-5.
  27. Grima, C., Kofman, W., Mouginot, J., Phillips, R. J., Hérique, A., Biccari, D., Seu, R., et al. 2009, North polar deposits of Mars: Extreme purity of the water ice. Geophysical Research Letters, 36(3), 2-5.
  28. Mouginot, J., Kofman, W., Safaeinili, A., Grima, C., Hérique, A., and Plaut, J. J. 2009, MARSIS surface reflectivity of the south residual cap of Mars. Icarus, 201(2), 454-459.
  29. Gunell, H., Amerstorfer, U. V, Nilsson, H., Grima, C., Koepke, M., Fränz, M., Winningham, J. D., et al. 2008 Shear driven waves in the induced magnetosphere of Mars. Plasma Physics and Controlled Fusion, 50(7), 074018.

Academic and Technical Reports

  1. Grima C., 2017, Europa Radio Noise Shadow, Jet Propulsion Laboratory Interoffice Memorandum, IOM-REASON-2017-001.
  2. Grima C., 2014, Europa Space Environment and Radar Operations, White paper for the "Ice Penetrating Radar team for the Instrument Concept for Europa Exploration" (ICEE) program (JPL/NASA).
  3. Schroeder D.M., Grima C., Blankenship D.D., 2012, Assessing the Utility of the Europe Clipper Radar Sounder to Identify Potential Landing Sites, White paper for the "Europa Science Definition Team", July 2012
  4. Grima C., 2011, Surface et subsurface de Mars par sondage radar : Analyse des données MRO/Sharad , Thèse de doctorat, Université de Grenoble.
  5. Grima C., Witasse O., and Orosei R., 2009, MEX-MARSIS subsurface (SS) mode: Total electron content (TEC) of the ionosphere level 5 derived data. Experimental to planetary archive interface control document (EAICD). European Space Agency.
  6. Grima, C., and Kofman, W., 2008,Ionospheric impact on MARSIS radar signal. ESA European Space Agency contract report No 21646/08/NL/NR, volume 1.
  7. Grima, C., and Kofman, W., 2008, Correcting the ionospheric impact on MARSIS radar signal. European Space Agency study contract report No 21646/08/NL/NR, volume 2.
  8. Grima, C., and Kofman, W., 2008, MARSIS derived enhanced ionospheric calibration data. European Space Agency study contract report No 21646/08/NL/NR, volume 3.



2018 Terrestrial Analogs of Icy Worlds, for the Geolog Club at Texas State University, Sept. 2018, San Marcos, TX.
2017 Speech about the Antarctic before two 2 classes (5th and 6th grade) at the Austin International School (AIS).
2016 Panel member for Where Is Earth 2.0? Discovering a Planet Like Ours, SXSW, Austin, Tx.

International Conferences








  • Grima C., Schroeder D. M., Blankenship D. D., Young D. A.. Planetary surface roughness derived from ice penetrating radar data: Method and concept validation in Antarctica. AGU Fall Meeting, San Francisco, California, USA. (2013) Grima C., Schroeder D. M., Blankenship D. D., Young D. A.. Firn variability derived from a statistical analysis of airborne ice penetrating radar over the Thwaites Glacier catchment, West Antarctica. IGS Int. Glacio. Soc. Symp. on Radioglaciology, Lawrence, Kansas, USA.
  • Grima C., Schroeder D. M., Blankenship D. D., Young D. A. Identifying Surface Characteristics with an Ice Penetrating Radar Sounder at Europa: Potential for Landing Site selection. Lun. and Planet. Sc. Congress, The Woodlands, Texas, USA.
  • Blankenship D. D., Schroeder D. M., Soderlund K. M., Grima C. Flyby sounding ofEurope\u2019s icy shell: radar investigations, analogs, and instruments for the Europe Clipper Mission. IGS Int. Glacio. Soc. Symp. on Radioglaciology, Lawrence, Kansas, USA.
  • Arnold E., Curra C., Karowski B., Schroeder D. M., Grima C., Young D. A., Blankenship D. D. How to enhance Europa surface characterization with an ice penetrating radar? Comparative study in Antarctica. AGU Fall meeting, San Francisco.


  • Palmer S. J., Dowdeswell J. A., Christoffersen P., Young D. A., Blankenship D. D., Stiegert M. J., Bamber, J. L., Greenbaum J. S., Ng G., Grima C. Airborne geophysical investigation of basal conditions at flow transitions of 16 Greenland Ice Sheet outlet glaciers. AGU meeting, San Francisco, USA.
  • [Invited] Lecture at IPAG, "Exploiter la nature statistique de l'écho radar pour la caractérisation des surfaces planétaires", France.
  • [Invited] Lecture at LEGOS, "Exploiter la nature statistique de l'écho radar pour la caractérisation des surfaces planétaires", France.


  • Kofman W., Grima C., Hérique A., Seu R., Radar reflectivity of the surface of Mars at 20 MHz from SHARAD: Cartography and quantitative analysis. AGU meeting, San Francisco, USA.


  • Grima C., Kofman W. Hérique A., Seu R., Physical parameters of the near-surface of mars derived from sharad radar reflectivity: statistical approach. 38th COSPAR scientific assembly, Bremen, Germany.


  • Pommerol A., Mouginot J., Kofman W., Safaeinili A., Plaut J.J., Grima C., Herique A., and Beck P. Martian surface radar reflectivity from MARSIS soundings, AGU meeting, San Francisco, USA.
  • Pommerol A., Kofman W., Audouard J., Kobayashi T., Grima C., Mouginot J., Beck P., and Ono T., Characterization and mapping of the Lunar subsurface by the LRS/SELENE radar sounder : methods and preliminary results, Europ. Planet. Sci. Congress, Potsdam, Germany.
  • Kofman W., Mouginot J., Beck P., Pommerol A., Schmitt B., Grima C., Herique A., Safaeinili A., and Plaut J.J., Mars surface materials from MARSIS radar reflectivity, AGU meeting, San Francisco, USA.
  • Grima C., Kofman W., Hérique A., Beck P., and Seu R., Mapping the radar reflectivity of the Martian surface with the SHAllow RADar (SHARAD), Europ. Planet. Sci. Congress, Potsdam, Germany.
  • Grima C., Costard F., Kofman W., Clifford S.M., Mouginot J., Servain A., Herique A., and Seu R., Studying the geomorphology of unusual glacial scarps on Mars, using a multi-instrumental approach, Journées de la SF2A, Besançon, France.
  • Grima C., Costard F., Kofman W., Clifford S.M., Mouginot J., Servain A., Herique A., and Seu R. Large and assymetric polar scarps in Planum, Mars : Characterization and evolution. AGU meeting, San Francisco, USA.


  • Mouginot J., Kofman W., Safaeinili A., Grima C., Hérique A., Plaut J., and Picardi G. Thickness of south residual cap of Mars by MARSIS. COSPAR scientific assembly, Montreal, Canada.
  • Mouginot J., Kofman W., Grima C., Safaeinili A., and Plaut J. Martian Surface Reflectivity seen by MARSIS. AGU meeting, San Francisco, USA.
  • Kofman W., Grima C., Mouginot J., Hérique A., Seu R., Bicarri D., and Orosei R. 3D modeling of south polar layered deposits on Mars with SHARAD radar data. Europ. Planet. Sci. Congress, Potsdam, Germany.
  • Grima C., Kofman W., Mouginot J., Servain A., Beck P., Pommerol A., Hérique A., and Seu R. Unusual ice scarps on Mars : an origin highlighted by radar sounding, elevation data, and visible imagery. Int. Symp. on Radioglacio. and its App., Madrid, Spain.
  • Grima C., Kofman W., Mouginot J., Servain A., Beck P., Pommerol A., Hérique A., and Seu R. Surface and subsurface study of unusual ice scarps, southern polar cap of Mars. 37th COSPAR scientific assembly, Montreal, Canada.


  • Kofman W., Grima C., Mouginot J., Herique A., Seu R., Biccari D., Orosei R. 3D Modeling of South Poar Layered Deposits on Mars with SHARAD radar data. EuroPlanet Science Congress, Berlin, Germany, Vol.2., EPSC2007-A-00554, 2007.


  • Gunell H., H. Nilsson, U. V. Amerstorfer, E. Carlsson, C. Grima, and the Aspera-3 Team. Plasma instabilities near Mars. 36th COSPAR Scientific Assembly, Beijing, China. #2338