return to List of Publications
Topic E - Planetary Impact
  1. Ahrens, T.J., and J.D. O'Keefe, Shock melting and vaporization of lunar rocks and minerals, The Moon, 4, 214-249, 1972 [Seismo #722].
  2. O'Keefe, J.D., and T.J. Ahrens, Shock effects from a large impact on the moon, Proc. 6th Lunar Sci. Conf., 2831-2844, 1975 [Seismo #848].
  3. O'Keefe, J.D., and T.J. Ahrens, Impact ejecta on the moon, Proc. Lunar Science Conf., 7th, 3007-3025, 1976 [Seismo #895].
  4. Ahrens, T.J., Impact processes, Geotimes, 22, 24-26, 1977 [TJA file].
  5. O'Keefe, J.D., and T.J. Ahrens, Impact-induced energy partitioning, melting, and vaporization on terrestrial planets, Proc. Lunar Sci. Conf., 8th, Geochim. Cosmochim. Acta, Suppl. 8, 3, 3357-3374, 1977 [Seismo #934].
  6. O'Keefe, J.D., and T.J. Ahrens, Meteorite impact ejecta: Dependence on mass and energy lost on planetary escape velocity, Science, 198, 1249-1251, 1977 [Seismo #958].
  7. Ahrens, T.J., and J.D. O'Keefe, Energy and mass distributions of impact ejecta blankets on the moon and Mercury, in Proc. Lunar and Planet. Sci. Conf. 9th, pp. 3787-3802, Pergamon Press, 1978 [Seismo #1004].
  8. O'Keefe, J.D., and T.J. Ahrens, Impact flows and crater scaling on the Moon, Phys. Earth Planet. Inter., 16, 341-351, 1978 [Seismo #957].
  9. Croft, S.K., S.W. Kieffer, and T.J. Ahrens, Low-velocity impact craters in ice and ice-saturated sand with implications for Martian crater count ages, J. Geophys. Res., 84, 8023-8032, 1979 [Seismo #1052].
  10. Jakosky, B.M., and T.J. Ahrens, The history of an atmosphere of impact origin, in Lunar and Planet. Science Conf. 10th, pp. 2727-2740, Pergamon Press, 1979 [Seismo #1053].
  11. Lange, M., and T.J. Ahrens, Impact melting early in lunar history, in Proc. Lunar Planet. Sci. Conf., pp. 2707-2726, Pergamon Press, 1979 [Seismo #1051].
  12. Lange, M., and T.J. Ahrens, Fragmentation of ice by low velocity impact, in Proc. Lunar and Planet. Sci. Conf., pp. 1667-1687, Pergamon Press, Houston, TX, 1981 [Seismo #1154].
  13. O'Keefe, J.D., and T.J. Ahrens, Impact cratering: The effect of crustal strength and planetary gravity, Revs. of Geophys. Space Phys., 19, 1-12, 1981 [Seismo #1122].
  14. Lange, M.A., and T.J. Ahrens, The evolution of an impact-generated atmosphere, Icarus, 51, 96-120, 1982 [Seismo #1177].
  15. O'Keefe, J.D., and T.J. Ahrens, The interaction of the Cretaceous-Tertiary extinction bolide with the atmosphere, ocean, and solid Earth, in Geological Implications of Impacts of Large Asteroids and Comets on the Earth, edited by L.T. Silver, and P.H. Schultz, pp. 103-120, Geol. Soc. Amer. Spec. Paper 190, 1982 [Seismo #1187].
  16. O'Keefe, J.D., and T.J. Ahrens, Impact mechanics of the Cretaceous-Tertiary extinction bolide, Nature, 298, 123-127, 1982 [Seismo #1167].
  17. O'Keefe, J.D., and T.J. Ahrens, Cometary and meteorite swarm impact on planetary surfaces, J. Geophys. Res., 87, 6668-6680, 1982 [Seismo #1176].
  18. Ahrens, T.J., and J.D. O'Keefe, Impact of an asteroid or comet in the ocean and extinction of terrestrial life, Proc. Lunar & Planet Sci. Conf. XIII, Part 2, J. Geophys. Res. Suppl., 88, A799-A806, 1983 [Seismo #1193].
  19. Lange, M.A., and T.J. Ahrens, The dynamic tensile strength of ice and ice-silicate mixtures, J. Geophys. Res., 88, 1197-1208, 1983 [Seismo #1194].
  20. Lange, M.A., T.J. Ahrens, and M.B. Boslough, Impact cratering and spall failure of gabbro, Icarus, 58, 383-395, 1984 [Seismo #1271].
  21. Lange, M.A., T.J. Ahrens, and M.B. Boslough, Cratering and spall fracture in gabbro, in Shock Waves in Condensed Matter-1983, edited by J.R. Asay, R.A. Graham, and G.K. Straub, pp. 501-504, Elsevier Science Publishers B.V., 1984 [Seismo #1265].
  22. Ahrens, T.J., and J.D. O'Keefe, Shock vaporization and the accretion of the icy satellites of Jupiter and Saturn, in Ices in the Solar System, edited by J. Klinger, D. Benest, A. Dollfus, and R. Smoluchowski, pp. 631-654, NATO ASI Series (D. Reidel), Nice, France, 1985 [Seismo #1321].
  23. O'Keefe, J.D., and T.J. Ahrens, Impact and explosion crater ejecta, fragment size, and velocity, Icarus, 62, 328-338, 1985 [Seismo #1314].
  24. Ahrens, T.J., and J.D. O'Keefe, Impact on rock, water, and ice, in Proc. Int. Symp. on Intense Dynamic Loading and its Effects, pp. 1063-1065, Science Press, Beijing China, 1986 [TJA file].
  25. Ahrens, T.J., and J.D. O'Keefe, Impact on the Earth, ocean, and atmosphere, Int. J. Impact Engng., 5, 13-32, 1987 [Seismo #1390].
  26. Lange, M.A., and T.J. Ahrens, Impact experiments in low temperature ice, Icarus, 69, 506-518, 1987 [Seismo #1380].
  27. O'Keefe, J.D., and T.J. Ahrens, The size distributions of fragments ejected at a given velocity from impact craters, Int. J. Impact Engng., 5, 493-499, 1987 [Seismo #1395].
  28. Polanskey, C.A., and T.J. Ahrens, Electron paramagnetic resonance studies of selected borehole samples and debris material from OAK Crater; Part 4: Analysis of borehole gravity survey and other geologic and bathymetric studies, in Pacific Enewetak Atoll Crater Exploration (PEACE) Program Enewetak Atoll, Republic of the Marshall Islands, pp. 4-1 to 4-29, U.S. Geological Survey Open-File Report, 1987 [TJA file].
  29. Ahrens, T.J., J.D. O'Keefe, and M.A. Lange, Formation of atmospheres during accretion of the terrestrial planets, in Origin and Evolution of Planetary and Satellite Atmospheres, edited by S.K. Atreya, J.B. Pollack, and M.S. Matthews, pp. 328-385, U. of Ariz. Press, Tucson, AZ, 1989 [Seismo #1528].
  30. O'Keefe, J.D., and T.J. Ahrens, Impact production of CO2 by Cretaceous/Tertiary extinction bolide and the resultant heating of the Earth, Nature, 338, 247-249, 1989 [Seismo #1462].
  31. Polanskey, C., and T.J. Ahrens, Impact spallation experiments: Fracture patterns and spall velocities, Icarus, 87, 140-155, 1990 [Seismo #1515].
  32. Rulison, A.J., R.C. Flagan, T.J. Ahrens, and W.F. Miller, Ablation of silicate particles in high speed continuum and transition flow with application to the collection of interplanetary dust particles, Astrophys. J., 371, 432-442, 1991 [Seismo #1532].
  33. Yanagisawa, M., J. Eluszkiewicz, and T.J. Ahrens, Angular momentum transfer in oblique impact, Icarus, 94, 272-282, 1991 [Seismo #1569].
  34. Ahrens, T.J., and A.W. Harris, Deflection and fragmentation of near-Earth asteroids, Nature, 360, 429-433, 1992 [Seismo #1621].
  35. Ahrens, T.J., and A.W. Harris, Near Earth asteroid orbit perturbation and fragmentation, in Proceedings of the Near Earth Object Interception Workshop, edited by G.H. Canavan, J.C. Solem, and J.D.G. Rather, pp. 89-110, Los Alamos, New Mexico, 1992 [TJA file].
  36. Smither, C.L., and T.J. Ahrens, Melting, vaporization, and energy partitioning for impacts on asteroidal and planetary objects, in Asteroids, Comets, and Meteors 1991, edited by A.W. Harris, and E. Bowell, pp. 561-564, Lunar and Planetary Institute, Houston, 1992 [Seismo #1716].
  37. Ahrens, T.J., Impact erosion of terrestrial planetary atmospheres, Annu. Rev. Earth Planet. Sci., 21, 525-555, 1993 [Seismo #1635].
  38. Ahrens, T.J., Weapons of mass protection, World & I, May, 216-221, 1993 [Seismo #1629].
  39. O'Keefe, J.D., and T.J. Ahrens, Planetary cratering mechanics, J. Geophys. Res., 98, 17011-17028, 1993 [Seismo #1661].
  40. Ahrens, T.J., and A.W. Harris, Deflection and fragmentation of near-earth asteroids, in Hazards Due to Comets and Asteroids, edited by T. Gehrels, and M. Matthews, pp. 897-927, U. Arizona Press, Tucson, 1994 [Seismo #1747].
  41. Ahrens, T.J., T. Takata, J.D. O'Keefe, and G.S. Orton, Impact of Comet Shoemaker-Levy 9, Geophys. Res. Lett., 21, 1087-1090, 1994 [Seismo #1693].
  42. Ahrens, T.J., T. Takata, J.D. O'Keefe, and G.S. Orton, Radiative signatures from impact of Comet Shoemaker-Levy 9 on Jupiter, Geophys. Res. Lett., 21, 1551-1553, 1994 [Seismo #1696].
  43. Anderson, W.W., and T.J. Ahrens, Physics of interplanetary dust capture via impact into organic polymer foams, J. Geophys. Res., 99, 2063-2071, 1994 [Seismo #1674].
  44. Anderson, W.W., and T.J. Ahrens, Physics of spacecraft-based interplanetary dust collection by impact into low density media, in Workshop on Particle Capture, Recovery, and Velocity/Trajectory Measurement Technologies, Sept. 26-27, 1993, edited by M.E. Zolensky, pp. 16-21, LPI Technical Report, Lunar and Planetary Institute, Houston, TX, LPI/TR-94-05, 1994
  45. Evans, N.J., M. Shahinpoor, and T.J. Ahrens, Hypervelocity impact: Ejecta velocity, angle, and composition, in Large Meteorite Impacts and Planetary Evolution, edited by B.O. Dressler, R.A.F. Grieve, and V.L. Sharpton, pp. 93-101, Geol. Soc. Amer. Sp. Paper #293, Boulder, CO, 1994 [Seismo #1749].
  46. O'Keefe, J.D., and T.J. Ahrens, Impact-induced melting on planetary surfaces, in Large Meteorite Impacts and Planetary Evolution, edited by B.O. Dressler, R.A.F. Grieve, and V.L. Sharpton, pp. 103-109, Geol. Soc. Am. Spec. Pap. 293, Boulder, CO, 1994 [Seismo #1730].
  47. Takata, T., J.D. O'Keefe, T.J. Ahrens, and G.S. Orton, Comet Shoemaker-Levy-9: Impact on Jupiter and plume evolution, Icarus, 109, 3-19, 1994 [Seismo #1697].
  48. Yang, W., and T.J. Ahrens, Oblique impact jetting of geological materials, in High Pressure Science and Technology - 1993, edited by S.C. Schmidt, J.W. Shaner, G. Samara, and M. Ross, pp. 835-838, Amer. Inst. Phys., New York, 1994 [Seismo #1703].
  49. Chen, G., T.J. Ahrens, and R. Hide, Hypervelocity impacts and the magnetization of small bodies in the solar system, Icarus, 115, 86-96, 1995 [Seismo #1762].
  50. Takata, T., T.J. Ahrens, and A.W. Harris, Comet Shoemaker-Levy 9: Fragment and progenitor impact energy, Geophys. Res. Lett., 22, 2433-2436, 1995 [Seismo #1775].
  51. Takata, T., T.J. Ahrens, and R. Phillips, Atmospheric effects on cratering on Venus, J. Geophys. Res., 100, 23,329 - 23,348, 1995 [Seismo #1791].
  52. Yang, W., and T.J. Ahrens, Impact jetting of geological materials, Icarus, 116, 269-274, 1995 [Seismo #1784].
  53. Chen, G., T.J. Ahrens, and R. Hide, Theory of shock magnetization of asteroids Gaspra and Ida, in Shock Compression of Condensed Matter-1995, edited by S.C. Schmidt, and W.C. Tao, pp. 929-932, AIP Press, Woodbury, NY, 1996 [Seismo #1826].
  54. Love, S., and T.J. Ahrens, Catastrophic impacts on gravity dominated asteroids, Icarus, 124, 141-155, 1996 [Seismo#1844].
  55. Ahrens, T.J., T. Takata, and J.D. O'Keefe, Comet Shoemaker-Levy-9 Impact on Jupiter, in Shock Waves, Proceedings of the 20th ISSW, edited by B. Sturtevant, J.E. Shepherd, and H.G. Hornung, pp. 1455-1460, World Scientific, New Jersey, 1997 [Seismo #1850].
  56. Chen, G.Q., and T.J. Ahrens, Erosion of terrestrial planet atmosphere by surface motion after a large impact, Phys. Earth Planet. Inter., 100, Nos. 1-4, 21-26, 1997 [Seismo #1870].
  57. Love, S., and T.J. Ahrens, Origin of asteroid rotation rates in catastrophic impacts, Nature, 386, 154-156, 1997 [Seismo #1860].
  58. Roulston, M., and T.J. Ahrens, Impact mechanics and frequency of SL9-type events on Jupiter, Icarus (126), 138-147, 1997 [Seismo #1863].
  59. Takata, T., and T.J. Ahrens, Impact of Comet Shoemaker-Levy 9-Size, origin, and plumes-comparison of numerical analysis with observations, Icarus, 125 (2), 317-330, 1997 [Seismo #1859].
  60. Yang, W., and T.J. Ahrens, Impact jetting of geological materials, in Shock Waves, Proceedings of the 20th ISSW, edited by B. Sturtevant, J.E. Shepherd, and H.G. Hornung, pp. 1461-1466, World Scientific, New Jersey, 1997 [Seismo #1851].
  61. Jyoti, G., S.C. Gupta, T.J. Ahrens, D. Kossakovski, and J.L. Beauchamp, Mass spectrometer calibration of high velocity impact ionization based cosmic dust analyzer, Intl. J. Impact Engng., 23, 401-408, 1999 [Seismo#1964].
  62. Newman, W.I., E.M.D. Symbalisty, T.J. Ahrens, and E.M. Jones, Impact erosion of planetary atmospheres: Some surprising results, Icarus, 138, 224-240, 1999 [Seismo #1943].
  63. O'Keefe, J.D., and T.J. Ahrens, Complex craters: Relationship of stratigraphy and rings to the impact conditions, J. Geophys. Res., 104 (E11), 27091-27104, 1999 [Seismo #1960].
  64. Jyoti, G., S.C. Gupta, T.J. Ahrens, D. Kossakovski, and J.L. Beauchamp, Mass spectrometer calibration of cosmic dust analyzer, in Shock Compression of Condensed Matter - 1999, edited by M.D. Furnish, L.C. Chhabildas, and R.S. Hixson, pp. 967-970, AIP Press, Woodbury, NY, 2000 [Seismo#1976].
  65. O'Keefe, J.D., S.T. Stewart, M.E. Lainhart, and T.J. Ahrens, Damage and rock-volatile mixture effects on impact crater formation, Intl. J. Impact Engng., 26, 543-553, 2001 [Seismo#2048].
  66. Lyons, J.R., and T.J. Ahrens, Terrestrial acidification at the K/T boundary, in High-Pressure Shock Compression of Solids, edited by L. Davison, Y. Horie, and T. Sekine, pp. 181-197, Springer-Verlag, New York, 2002 [Seismo#2074].
  67. Ahrens, T.J., S.C. Gupta, G. Jyoti, and J.L. Beauchamp, Mass spectrometer calibration of Cosmic Dust Analyzer, J. Geophys. Res. - Planets, 108, 1-1 to 1-10, 10.1019/2002JE001912, 2003 [Seismo#2101].
  68. Austin, D.E., R.L. Grimm, H.L.K. Manning, C.L. Bailey, J.E. Farnsworth, T.J. Ahrens, and J.L. Beauchamp, Hypervelocity microparticle impact studies using a novel cosmic dust mass spectrometer, J. Geophys. Res. - Planets, 108, 4-1 to 4-7, 10.1029/2002JE001947, 2003 [Seismo#2123].
  69. Ahrens, T.J., A.H. Shen, and S. Ni, Giant impact induced atmospheric blow-off, in 13th APS Topical Conference on Shock-Compression of Condensed Matter - 2003, edited by M.D. Furnish, Y.M. Gupta, and J.W. Forbes, pp. 1419-1422, Amer. Inst. Phys., New York, 2004 [Seismo#2134].
  70. Ai, H.-A., and T.J. Ahrens, Dynamic tensile strength of terrestrial rocks and application to impact cratering, Meteorit. Planet. Sci., 39, 233-246, 2004 [Seismo#2138].
  71. Luo, S.-N., O. Tschauner, P.D. Asimow, and T.J. Ahrens, A new dense silica phase: a possible link between tetrahedrally and octahedrally coordinated silica, Amer. Mineral., 89 (2-3), 455-461, 2004 [Seismo#2137].
  72. Shen, A.H., T.J. Ahrens, and R. Sari, Giant-impact effects on terrestrial planet atmosphere, Icarus (submitted), 2004
  73. Stewart, S.T., and T.J. Ahrens, A new H2O ice Hugoniot: Implications for planetary impact events, in 13th APS Topical Conference on Shock Compression of Condensed Matter - 2003, edited by M.D. Furnish, Y.M. Gupta, and J.W. Forbes, pp. 1478-1483, Amer. Inst. Phys., New York, 2004 [Seismo#2136].
  74. Stewart, S.T., T.J. Ahrens, and J.D. O'Keefe, Impact-induced melting of near-surface water ice on Mars, in 13th APS Topical Conference on Shock-Compression of Condensed Matter - 2003, edited by M.D. Furnish, Y.M. Gupta, and J.W. Forbes, pp. 1484-1487, Amer. Inst. Phys., New York, 2004 [Seismo#2135].
  75. Ai, H.-A., and T.J. Ahrens, Simulation of dynamic response of granite: A numerical approach of shock-induced damage beneath impact craters, in Proceedings of the Hypervelocity Impact Symposium (HVIS 2005, Lake Tahoe, CA, October 9-13, 2005), 2005 [preprint].
  76. Ni, S., and T.J. Ahrens, Giant impact-induced blow-off of primordial atmosphere, in Large Meteorite Impacts III, edited by C.T. Kenkmann, F. Hörz, and A. Deutsch, pp. 427-432, Geol. Soc. Am. Spec. Paper, Boulder, CO, 2005 [Seismo#].
  77. Stewart, S.T., and T.J. Ahrens, Shock properties of H2O ice, J. Geophys. Res., 110, E03005, 10.1029/2004JE002305, 2005 [Seismo#].
  78. Willis, M.J., M.J. Burchell, T.J. Ahrens, H. Krüger, and E. Grün, Decreased values of cosmic dust number density estimates in the Solar System, Icarus, 176, 440-452, doi:10.1016/j.icarus.2005.02.018, 2005 [Seismo#].