Gregory A. Neumann

Associate Research Scientist

---

neumann@tharsis.gsfc.nasa.gov
(301) 614-6026

EDUCATION
• Ph.D. Geophysics, Brown University, 1993.
• M.S. Geophysics, Brown University, 1991.
• B.A. Mathematics, Reed College, 1969.

RESEARCH INTERESTS
• Tectonics of slow-spreading, mid-ocean ridges - interaction of crust and mantle structure with plate motions.
• Analysis of laser altimetry and gravity.
• Crustal structure of planetary basins.

PROFESSIONAL EXPERIENCE
• Associate Research Scientist, Dept. Earth, Atmospheric and Planetary Sciences, MIT, 1996-Present.
• Lecturer, Geology Dept., Johns Hopkins University, 1996.
• Associate Research Scientist, Johns Hopkins University, 1993-1996.
• Graduate Research Assistant, Brown University, 1990-1993.
• Consultant, Computing and Information Services, Brown University, 1989.
• Geophysical Field Engineer, Brown University, 1982-1989.
• Engineer-Structural Analysis, Corner and Lada Co., Cranston, RI, 1979-1982.

PUBLICATIONS
• Neumann, G.A., D.E. Smith and M.T. Zuber, Clouds detected by the Mars Orbiter Laser Altimeter over one Mars year, submitted to J. Geophys. Res., 2001.
• McGovern, P.J., S.C. Solomon, D.E. Smith, M.T. Zuber, M. Simons, M.A. Wieczorek, R.J. Phillips, G.A. Neumann, O. Aharonson, and J.W. Head, Localized gravity/shape admittance and correlation spectra on Mars: Implications for regional and global evolution, submitted to J. Geophys. Res., 2001.
• Cheng, A.F., O. Barounin-Jha, L. Prockter, M.T. Zuber, G. Neumann, D.E. Smith, J. Garvin, M. Robinson, J. Veverka, and P. Thomas, Small-scale topography of 433 Eros from laser altimetry and imaging, Icarus, in press, 2001.
• Neumann, G.A., D.D. Rowlands, F.G. Lemoine, D.E. Smith and M.T. Zuber, Crossover analysis of MOLA altimetric data, J. Geophys. Res., 106, 23,753-23,768, 2001.
• Smith, D.E., Zuber, M.T., H.V. Frey, J.B. Garvin, J.W. Head, D.O. Muhleman, G.H. Pettengill, R.J. Phillips, S.C. Solomon, H.J. Zwally, W.B. Banerdt, T.C. Duxbufy, M.P. Golombek, F.G. Lemoine, G.A. Neumann, D.D. Rowlands, O. Aharonson, P.G. Ford, A.B. Ivanov, P.J. McGovern, J.B. Abshire, R.S. Afzal, and X. Sun, Mars Orbiter Laser Altimeter (MOLA): Experiment summary after the first year of global mapping of Mars, J. Geophys. Res., 106, 23,689-23,722, 2001.
• Lemoine, F.G., D.E. Smith, D.D. Rowlands, M.T. Zuber, G.A. Neumann, D.S. Chinn, and D.E. Pavlis, An improved solution of the gravity field of Mars (GMM-2B) from Mars Global Surveyor, J. Geophys. Res., 106, 23,359-23,376, 2001.
• Cheng, A.F., O. Barnouin-Jha, M.T. Zuber, J. Veverka, ,D.E. Smith, G.A. Neumann, M. Robinson, P. Thomas, J.B. Garvin, S. Murchie, C. Chapman, and L. Prockter, Small-scale topography of 433 Eros from laser altimetry and imaging, Science, 292, 488-491, 2001.
• Withers, P., and G.A. Neumann, Enigmatic northern plains of Mars, Nature, 410, 651, 2001.
• Zuber, M.T., D.E. Smith, A.F. Cheng, J.B. Garvin, O. Aharonson, T.D. Cole, P.J. Dunn, Y. Guo, F.G. Lemoine, G.A. Neumann, D.D. Rowlands, and M.H. Torrence, The Shape of 433 Eros from the NEAR Laser Rangefinder, Science, 288, 2097-2101, 2000.
• Smith, D.E., M.T. Zuber, S.C. Solomon, R.J. Phillips, J.W. Head, J.B. Garvin, W.B. Banerdt, D.O. Muhleman, G.H. Pettengill, G.A. Neumann, F.G. Lemoine, J.B. Abshire, O. Aharonson, C.D. Brown, S.A. Hauck, A.B. Ivanov, P.J. McGovern, H.J. Zwally, and T.C. Duxbury, The global topography of Mars and implications for surface evolution, Science, 284, 1495-1503, 1999.
• Rowlands, D.D., D.E. Pavlis, F.G. Lemoine, G.A. Neumann, and S.B. Lutchke, The use of laser altimetry in the orbit and attitude determination of Mars Global Surveyor, Geophys. Res. Lett., 26, 1191-1194, 1999.
• Zuber, M.T., Smith, D.E., S.C. Solomon, J.B. Abshire, R.S. Afzal, O. Aharonson, K. Fishbaugh, P.G. Ford, , H.V. Frey, J.B. Garvin, J.W. Head, A.B. Ivanov, C.L. Johnson, D.O. Muhleman, G.A. Neumann, G.H. Pettengill, R.J. Phillips, X. Sun, H.J. Zwally, W.B. Banerdt, T.C. Duxbury, Observations of the north polar region of Mars from the Mars Orbiter Laser Altimeter, Science, 282, 2053-2060, 1998.
• Aharonson, O., M.T. Zuber, G.A. Neumann, and J.W. Head, Mars: Northern hemisphere slope distributions and stochastic properties of topography, Geophys. Res. Lett., 25, 4413-4416, 1998.
• Zuber, M.T., D.E. Smith, R.J. Phillips, S.C. Solomon, W.B. Banerdt, G.A. Neumann, and O. Aharonson, Shape of the northern hemisphere of Mars from the Mars Orbiter Laser Altimeter (MOLA), Geophys. Res. Lett., 25, 4393-4396, 1998.
• Sakimoto, S.E.H., and M.T. Zuber, Flow and convective cooling in lava tubes, J. Geophys. Res., 103, 27,465-27,487, 1998.
• Smith, D.E., M.T. Zuber, G.A. Neumann, and F.G. Lemoine, Topography of the Moon from the Clementine LIDAR, J. Geophys. Res., 102, 1591-1611, 1997.
• Lemoine, F.G., D.E. Smith, M.T. Zuber, G.A. Neumann and D.D. Rowlands, A 70th degree lunar gravity model (GLGM-2) from Clementine and other tracking data, J. Geophys. Res., 102, 16,339-16,359, 1997.
• Neumann, G.A., M.T. Zuber, D.E. Smith, and F.G. Lemoine, The lunar crust: Global signature and structure of major basins, J. Geophys. Res., 101, 16,841-16,863, 1996.
• Lemoine, F.G., D.E. Smith, M.T. Zuber, and G.A. Neumann, High Degree and Order Spherical Harmonic Gravity Modeling of the Moon from Clementine and historical S-Band Data, in Global Gravity Field and its Temporal Variations, ed. R. Rapp, A. Cazenave, and R. Nerem, 11th IAG Symposium, Springer-Verlag, Berlin, 116, 1996.
• Aurnou, J.M., J.L. Buttles, G.A. Neumann, and P.L. Olson, Electromagnetic core-mantle coupling and paleomagnetic reversal paths, Geophys. Res. Lett., 23, 2705-2708, 1996.
• Neumann, G.A., P.J. Michael, and B.B. Hanan, Temporal variation of crustal emplacement, 33°S Mid-Atlantic Ridge, J. Conf. Abs., 1(2), 836-837, 1996.
• Neumann, G.A., and D.W. Forsyth, High resolution statistical estimation of seafloor fabric: The morphology of an evolving spreading center, Mar. Geophys. Res., 17, 1995.
• Neumann, G.A., and M.T. Zuber, A continuum approach to the development of normal faults, Proceedings of the 35th U.S. Symposium on Rock Mechanics, Lake Tahoe, June 4-7, Balkema, Netherlands, 1995.
• Neumann, G.A. and M.T. Zuber, Localization of strain in the semi-brittle regime under extension (abstract), Eos Trans. AGU , 76, 1995.
• Lemoine, F.G., D.E. Smith, M.T. Zuber, D.D. Rowlands, and G.A. Neumann, Results from the Clementine lunar geodesy investigation, Astrodynamics, 90, 201-213, 1995.
• Michael, P.J., D.W. Forsyth, D.K. Blackman, P.J. Fox, B.B. Hanan, A.J. Harding, K.C. Macdonald, G.A. Neumann, J.A. Orcutt, M. Tolstoy, and C.M. Weiland, Mantle control of a dynamically evolving spreading center, Earth Planet. Sci. Lett., 121, 451-468, 1994.
• Neumann, G.A. and M.T. Zuber, Modeling constraints on diffuse extension of the Pacific Plate (abstract), Eos Trans. AGU Fall Mtg. Supp., 1994.
• Zuber, M.T., D.E. Smith, F.G. Lemoine, and G.A. Neumann, The shape and internal structure of the Moon from the Clementine mission, Science, 266, 1839-1843, 1994.
• Neumann, G.A., and D.W. Forsyth, Comparison of marine gravity from shipboard and high-density satellite altimetry along the Mid-Atlantic Ridge, 30.5°-35.5°S, Geophys. Res. Lett., 20, 1639-1642, 1993.
• Neumann, G.A., and D.W. Forsyth, The paradox of the axial profile: Isostatic compensation along the Mid-Atlantic Ridge?, J. Geophys. Res., 98, 17,981-17,910, 1993.