Sarah Stewart

Topics

• Shock Processes in Ice and Cratering on Icy Planets
• Volatiles and the Cratering Record on Mars
• Cratering Mechanics
• Planet Formation and Evolution
• Shock Processing of Natural Materials: Magnetism and Temperatures
• Terrestrial Craters: Lonar crater, India
• Miscellaneous

Shock Processes in Ice and Cratering on Icy Planets

1. Kraus, R. G., S. T. Stewart, A. Seifter, and A. W. Obst.
   Shock and Post-Shock Temperatures in an Ice-Quartz Mixture: Implications for Melting during Planetary Impact Events.
   Earth and Planetary Science Letters, in press, 2009. (preprint)
2. Senft, L. E., and S. T. Stewart.
   Modeling the morphological diversity of impact craters on icy satellites.
   Icarus, in revision, 2009. (preprint)
3. Boyce, J., N. Barlow, P. Mouginis-Mark, and S. T. Stewart.
   Rampart craters on Ganymede: their implications for fluidized ejecta emplacement.
   Meteoritics and Planetary Science, in revision. (email for preprint)
4. Stewart, S. T., A. Seifter, and A. W. Obst.
   Shocked H₂O Ice: Thermal Emission Measurements and the Criteria for Phase Changes during Impact Events.
   Geophysical Research Letters, 35, L23203, doi:10.1029/2008GL035947, 2008. (Manuscript PDF, Auxiliary materials PDF)
5. Stewart, S.T., and T. J. Ahrens.
   Shock Properties of H₂O ice.
   Journal of Geophysical Research - Planets, 110, E03055, doi:10.1029/2004JE002305, 2005. (Manuscript PDF, Auxiliary materials PDF)
6. Stewart, S. T., and T. J. Ahrens.
   A New H₂O Hugoniot: Implications for Planetary Impact Events.
   In Shock Compression of Condensed Matter-2003, p. 1478-1483, Eds. M.D. Furnish, Y. M. Gupta, and J. W. Forbes, American Institute of Physics, 2004. (PDF)
7. Stewart, S. T., and T. J. Ahrens.
   Shock Hugoniot of H₂O ice.
   Geophysical Research Letters, 30 (6), 1332, doi:10.1029/2002GL016789, 2003. (PDF)
8. Stewart, S. T., and T.J. Ahrens.
   Shock Wave Propagation in Porous Ice.
   In Shock Compression of Condensed Matter-1999, p.1243-1246. Eds. M. D. Furnish, L. C. Chhabildas, R. S. Hixon. American Institute of Physics, 2000. (PDF)

1. Stewart, S. T.
   Impacts onto Icy Bodies: A Journey from the Laboratory to the Outer Solar System
   41st Division for Planetary Sciences Meeting, Abs. 12.01, 2009. Urey Prize Lecture (abstract, slides PDF)
2. Kraus, R., and S. T. Stewart.
   Production of Liquid Water by Impacts onto Icy Bodies
   41st Division for Planetary Sciences Meeting, Abs. 38.06, 2009. (PDF)
3. Senft, L. E., and S. T. Stewart.
   The Role of Phase Changes during Impact Cratering on Icy Satellites.
   Lunar & Planetary Science Conference 40, #2130, 2009. (PDF)
4. Kraus, R. G., and S. T. Stewart.
   Thermodynamics of Impacts onto Icy Mixtures: Peak and Post-shock Temperature Measurements in an Ice-Sand Mixture.
   Lunar & Planetary Science Conference 40, #2508, 2009. (PDF)
5. Stewart, S. T., and L. E. Senft.
   Advances in Modeling Collisions on Icy Bodies.
   Large Meteorite Impacts and Planetary Evolution IV, #3085, 2008. (PDF)
6. Stewart, S. T., and T. J. Ahrens.
   Correction to the dynamic tensile strength of ice and ice-silicate mixtures (Lange & Ahrens 1983).
   Lunar & Planetary Science Conference 30, #2037, 1999. (PDF)

Volatiles and the Cratering Record on Mars

1. Louzada, K. L., S. T. Stewart, B. P. Weiss, J. Gattacceca, R. J. Lillis, and J. S. Halekas.
   Impact demagnetization of the Martian crust: Current knowledge and future directions.
   Earth and Planetary Science Letters, submitted, 2009. (preprint)
2. Senft, L. E., and S. T. Stewart.
   Impact Crater Formation in Icy Layered Terrains on Mars.
   Meteoritics and Planetary Science, 43 (12), 1993-2013, 2008. (PDF)
3. Black, B. A., and S. T. Stewart.
   Impact Crater Geometries Provide Evidence for Ice-Rich Layers at Low Latitudes on Mars.
   Journal of Geophysical Research - Planets, 113, E02015, doi:10.1029/2007JE002888, 2008. (PDF)
4. Stewart, S. T., and G. J. Valiant.
   Martian subsurface properties and crater formation processes inferred from fresh impact crater geometries.
   Meteoritics and Planetary Sciences, 41 (10), 1509-1537, 2006. (PDF)
5. Stewart, S. T., T. J. Ahrens, and J. D. O'Keefe.
   Impact processing and redistribution of near-surface water on Mars.
   In Shock Compression of Condensed Matter-2003, p. 1484-1487, Eds. M.D. Furnish, Y. M. Gupta, and J. W. Forbes, American Institute of Physics, 2004. (PDF)
6. Stewart, S. T., and F. Nimmo.
   Surface runoff features on Mars: Testing the carbon dioxide formation hypothesis.
   Journal of Geophysical Research - Planets, 107 (E9), 5069, doi:10.1029/2000JE001465, 2002. (PDF)

1. Lillis, R. J., J. S. Halekas, K. L. Louzada, S. T. Stewart, and M. Manga.
   Impact Demagnetization at Mars: Using Multiple Altitude Magnetic Field Data to Constrain Properties of Crustal Magnetization.
   Lunar & Planetary Science Conference 40, #1444, 2009. (PDF)
2. Stewart, S. T., J. D. O'Keefe, and T. J. Ahrens.
   The Relationship between Rampart Crater Morphologies and the Amount of Subsurface Ice.
   Lunar & Planetary Science Conference 32, #2092, 2001.(PDF)

Cratering Mechanics

1. Senft, L. E., and S. T. Stewart.
   Dynamic Fault Weakening and the Formation of Large Impact Craters.
   Earth and Planetary Science Letters, 287, 471-482, doi:10.1016/j.epsl.2009.08.033, 2009. (PDF)
2. Louzada, K. L. and S. T. Stewart.
   Effects of Planet Curvature and Crust on the Shock Pressure Field around Impact Basins.
   Geophysical Research Letters, 36, L15203, doi:10.1029/2009GL037869, 2009. (Manuscript PDF, Auxiliary Materials PDF)
3. Senft, L. E., and S. T. Stewart.
   Modeling Impact Cratering into Layered Targets.
   Journal of Geophysical Research - Planets, 112, E11002, doi:10.1029/2007JE002894, 2007. (PDF)
4. O'Keefe, J. D., S. T. Stewart, M. E. Lainhart, and T. J. Ahrens.
   Damage and rock-volatile mixture effects on impact crater formation.
   International Journal of Impact Engineering, 26, 543-553, 2001. (PDF)

1. Senft, L. E., and S. T. Stewart.
   Frictional Melt Formation around Large Craters.
   Large Meteorite Impacts and Planetary Evolution IV, #3077, 2008. (PDF)

Planet Formation and Evolution

1. Leinhardt, Z. M., R. A. Marcus, and S. T. Stewart.
   The Formation of the Collisional Family around the Dwarf Planet Haumea
   Astrophysical Journal, submitted, 2009. (email for preprint)
2. Marcus, R. A., D. Sasselov, L. Hernquist, and S. T. Stewart.
   Minimum Radii of Super-Earths: Constraints from giant impacts.
   Astrophysical Journal Letters, submitted, 2009. (preprint)
3. Cuk, M., B. J. Gladman, and S. T. Stewart.
   Constraints on the Source of Lunar Cataclysm Impactors.
   Icarus, in revision. (preprint)
4. McEachern, F. M., M. Cuk, and S. T. Stewart.
   Dynamical Evolution of the Hungaria Asteroids.
   Icarus, in revision. (preprint)
5. Marcus, R. A., S. T. Stewart, D. Sasselov, and L. Hernquist.
   Collisional Stripping and Disruption of Super-Earths.
   Astrophysical Journal Letters, 700, L118-L122, doi:10.1088/0004-637X/700/2/L118, 2009. (PDF)
6. Stewart, S. T., and Z. M. Leinhardt.
   Velocity-dependent Catastrophic Disruption Criteria for Planetesimals.
   Astrophysical Journal Letters, 691, L133-L137, doi:10.1088/0004-637X/691/2/L133, 2009. (PDF)
7. Leinhardt, Z. M., and S. T. Stewart.
   Full Numerical Simulations of Catastrophic Small Body Collisions.
   Icarus, 199, 542-559, doi:10.1016/j.icarus.2008.09.013, 2009. (PDF)
8. Leinhardt, Z. M., S. T. Stewart, and P. H. Schultz.
   Physical effects of collisions in the Kuiper belt.
   In The Solar System Beyond Neptune, Eds. A. Barucci, et al., U. Arizona Press, Tucson, p. 195-211, 2008. (PDF)

1. Leinhardt, Z. M., R. A. Marcus, and S. T. Stewart.
   Graze and merge: The Formation of the Haumea Collisional Family
   41st Division for Planetary Sciences Meeting, Abs. 65.05, 2009. (PDF)
2. Marcus, R. A., S. T. Stewart, D. Sasselov, and L. Hernquist.
   The super-Earth Mass-Radius Relationship: Constraints from giant impacts.
   41st Division for Planetary Sciences Meeting, Abs. 58.01, 2009.(PDF)
3. Stewart, S. T., and T. J. Ahrens.
   Porosity effects on impact processes in the solar system.
   Lunar & Planetary Science Conference 30, #2020, 1999. (PDF)

Shock Processing of Natural Materials: Magnetism and Temperatures

1. Stewart, S. T., A. Seifter, G. B. Kennedy, J. Payton, M. R. Fulanetto, and A. W. Obst.
   Post-shock temperatures and free surface velocity measurements of basalt.
   Earth and Planetary Science Letters, in prep.
2. Louzada, K. L., S. T. Stewart, B. P. Weiss, J. Gattacceca, and N. S. Bezaeva.
   Shock and static pressure demagnetization of pyrrhotite and implications for the Martian crust.
   Earth and Planetary Science Letters, in revision, 2009. (preprint)
3. Louzada, K. L., S. T. Stewart, and B. P. Weiss.
   Effect of shock on the magnetic properties of pyrrhotite, the Martian crust, and meteorites.
   Geophysical Research Letters, 34, L05204, doi:10.1029/2006GL027685, 2007. (PDF)
4. Louzada, K. L., S. T. Stewart, and B. P. Weiss.
   Shock Demagnetization of Pyrrhotite (Fe_1-xS,x<0.13) and Implications for the Martian Crust and Meteorites.
   In Shock Compression of Condensed Matter-2005, p. 1476-1479, Eds. M.D. Furnish, et al., American Institute of Physics, 2006. (PDF)
5. Stewart, S. T., G. B. Kennedy, L. E. Senft, M. R. Furlanetto, A. W. Obst, J. R. Payton, and A. Seifter.
   Post-Shock Temperature and Free Surface Velocity Measurements of Basalt.
   In Shock Compression of Condensed Matter-2005, p. 1484-1487, Eds. M.D. Furnish et al., American Institute of Physics, 2006. (PDF)
6. Weiss, B. P., H. Vali, F. J. Baudenbacher, J. L. Kirschvink, S. T. Stewart, and D. L. Shuster.
   Records of an ancient Martian magnetic field in ALH84001.
   Earth and Planetary Science Letters, 201, 449-464, 2002. (PDF)
7. Weiss, B. P., D. L. Shuster, and S. T. Stewart.
   Temperatures on Mars: ⁴⁰Ar/³⁹Ar Thermochronology of ALH84001.
   Earth and Planetary Science Letters, 201, 465-472, 2002. (PDF)

1. Stewart, S. T., A. Seifter, G. B. Kennedy, M. R. Furlanetto, and A. W. Obst.
   Measurements of Emission Temperatures from Shocked Basalt: Hot spots in meteorites.
   Lunar & Planetary Science Conference 38, #2413, 2007. (PDF)
2. Stewart, S. T.
   The Shock Compression Laboratory at Harvard: A New Facility for Planetary Impact Processes.
   Lunar & Planetary Science Conference 35, #1290, 2004. (PDF)

Terrestrial Craters: Lonar crater, India

1. Maloof, A. C., S. T. Stewart, B. P. Weiss, S. A. Soule, N. L. Swanson-Hysell, K. L. Louzada, I. Garrick-Bethell, and P. M. Poussart.
   Geology of Lonar Crater, India.
   GSA Bulletin, 122, 109-126, doi:10.1130/B26474.1, 2009.
   (Manuscript PDF, Data Repository PDF - 91 Mb, Lonar DEM zip file - 13 Mb)
2. Louzada, K. L., B. P. Weiss, A. C. Maloof, S. T. Stewart, N. Swanson-Hysell, and S. A. Soule.
   Paleomagnetism of Lonar Impact Crater, India.
   Earth and Planetary Science Letters, 275, 309-319, doi:10.1016/j.epsl.2008.08.025, 2008. (Manuscript PDF, SOM PDF)

1. Weiss, B. P., I. Garrick-Bethell, S. Pedersen, A. C. Maloof, K. L. Louzada, and S. T. Stewart.
   Paleomagnetism of Impact Glass and Spherules from Lonar Crater, India.
   Lunar & Planetary Science Conference 38, #2360, 2007. (PDF)

Miscellaneous

1. Halevy, I., and S. T. Stewart.
   Is Enceladus Plume Tidally Controlled?
   Geophysical Research Letters, 35, L12203, doi:10.1029/2008GL034349, 2008. (PDF)
2. Yoshimura, Y., S. T. Stewart, H.-K. Mao, and R. J. Hemley.
   In situ Raman spectroscopy of low-temperature/high-pressure transformations of H₂O.
   Journal of Chemical Physics, 126, 174505, doi:10.1063/1.2720830, 2007. (PDF)
3. Seifter, A., S. T. Stewart, M. R. Furlanetto, G. B. Kennedy, J. R. Payton, and A. W. Obst.
   Post-Shock Temperature Measurements of Aluminum.
   In Shock Compression of Condensed Matter-2005, p. 139-142, Eds. M.D. Furnish, et al. American Institute of Physics, 2006. (PDF)
4. Yoshimura, Y., S. T. Stewart, M. Somayazulu, H-K Mao, and R. J. Hemley.
   High-pressure x-ray diffraction and Raman spectroscopy of ice VIII.
   Journal of Chemical Physics, 124, 024502, doi:10.1063/1.2140277, 2006. (PDF)
5. Ortiz, J. L., G. S. Orton, A. J. Friedson, S. T. Stewart, B. M. Fisher, and J. R. Spencer.
   Evolution and persistence of 5-μm hot spots at the Galileo probe entry latitude.
   Journal of Geophysical Research - Planets, 103 (E10), 23051-23069, 1998. (PDF)
6. Orton, G. S., B. M. Fisher, K. H. Baines, S. T. Stewart, A. J. Friedson, J. L. Ortiz, M. Marinova, M. Ressler, A. Dayal, W. Hoffmann, J. Hora, S. Hinkley, V. Krishnan, M. Masanovic, J. Tesic, A. Tziolas, and K.C. Parija.
   Characteristics of the Galileo probe entry site from Earth-based remote sensing observations.
   Journal of Geophysical Research - Planets, 103 (E10), 22791-22814, 1998. (PDF)
7. Orton, G. S., J. L. Ortiz, K. Baines, G. Bjoraker, U. Carsenty, F. Colas, A. Dayal, D. Deming, P. Drossart, E. Frappa, J. Friedson, J. Goguen, W. Golisch, D. Griep, C. Hernandez, W. Hoffmann, D. Jennings, C. Kaminski, J. Kuhn, P. Laques, S. Limaye, H. Lin, J. Lecacheux, T. Martin, G. McCabe, T. Momary, D. Parker, R. Puetter, M. Ressler, G. Reyes, P. Sada, J. Spencer, J. Spitale, S. Stewart, J. Varsik, J. Warell, W. Wild, P. Yanamandra-Fisher, G. Fazio, J. Hora, and L. Deutsch.
   Earth-based observations of the Galileo probe entry site.
   Science, 272 (5263), 839-840, 1996. (PDF)