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Richard  Gross's Picture
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Jet Propulsion Laboratory
M/S 238-608
Jet Propulsion Laboratory
4800 Oak Grove Dr.
Pasadena, CA 91109
Phone:
(818) 354-4010
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Dr. Richard Gross

Education
  • B.S., Physics-Math, Purdue University, 1975
  • Ph.D., Geophysics, University of Colorado, 1982

Research Interests
  • Earth rotation variations
  • Time variable gravity
  • Ocean-solid Earth interactions

Professional Experience
  • NASA Jet Propulsion Laboratory
    • Group Supervisor (2006 - present)
    • Technical Staff – Principal (1999 - present)
    • Technical Staff – Senior (1997 - 1999)
    • Technical Staff – Member (1988 - 1997)
  • Air Force Technical Applications Center
    • Geophysicist (1987 - 1988)
  • Los Alamos National Laboratory
    • Postdoctoral Research Fellow (1984 - 1986)
  • NASA / Goddard Space Flight Center
    • NAS / NRC Postdoctoral Research Associate (1982 - 1984)

Selected Awards
  • NASA Exceptional Scientific Achievement Medal:
    • Chandler wobble, 2001
  • NASA Group Achievement Awards:
    • GPS CTS/KEOF Earth Rotation Team , 1999
    • Galileo Project Team—Flight Operations , 1998
    • Galileo Orbital Operations Recovery Team, 1997
    • Project Galileo Team—Probe and Orbiter, 1996

Selected Publications
  1. Gross, R. S., Earth rotation variations — long period, in Physical Geodesy, edited by T. A. Herring, in press, Treatise on Geophysics vol. 11, Elsevier, Amsterdam, 2007.
  2. Gross, R. S., and B. F. Chao, The rotational and gravitational signature of the December 26, 2004 Sumatran earthquake, Surv. Geophs., 27(6), 615–632, doi:10.1007/s10712-006-9008-1, 2006.
  3. Gross, R. S., I. Fukumori, and D. Menemenlis, Atmospheric and oceanic excitation of decadal-scale Earth orientation variations, J. Geophys. Res.,110, B09405, doi:10.1029/2004JB003565, 2005.
  4. Gross, R. S., Oceanic excitation of polar motion: A review , in Forcing of Polar Motion in the Chandler Frequency Band: A Contribution to Understanding Interannual Climate Change, edited by H.-P. Plag, B. F. Chao, R. S. Gross, and T. van Dam, pp. 89–102, Cahiers du Centre Européen de Géodynamique et de Séismologie vol. 24, Luxembourg, 2005.
  5. Gross, R. S., The observed period and Q of the Chandler wobble, in Forcing of Polar Motion in the Chandler Frequency Band: A Contribution to Understanding Interannual Climate Change, edited by H.-P. Plag, B. F. Chao, R. S. Gross, and T. van Dam, pp. 31–37, Cahiers du Centre Européen de Géodynamique et de Séismologie vol. 24, Luxembourg, 2005.
  6. Gross, R. S., I. Fukumori, D. Menemenlis, and P. Gegout, Atmospheric and oceanic excitation of length-of-day variations during 1980–2000, J. Geophys. Res., 109, B01406, doi:10.1029/ 2003JB002432, 2004.
  7. Gross, R. S., G. Blewitt, P. Clarke, and D. Lavallée, Degree-2 harmonics of the Earth’s mass load estimated from GPS and Earth rotation data, Geophys. Res. Lett., 31, L07601, doi:10.1029/ 2004GL019589, 2004.
  8. Argus, D. F., and R. S. Gross, An estimate of motion between the spin axis and the hotspots over the past century, Geophys. Res. Lett., 31(6), L06614, doi:10.1029/2004GL019657, 2004.
  9. Gross, R. S., I. Fukumori, and D. Menemenlis, Atmospheric and oceanic excitation of the Earth’s wobbles during 1980–2000, J. Geophys. Res., 108(B8), 2370, doi:10.1029/2002JB002143, 2003.
  10. Gross, R. S., A combined length-of-day series spanning 1832–1997: LUNAR97, Phys. Earth Planet. Inter., 123, 65–76, 2001.
  11. Gross, R. S., and B. F. Chao,The gravitational signature of earthquakes, in Gravity, Geoid, and Geodynamics 2000, edited by M. G. Sideris, pp. 205–210, Springer-Verlag, New York, 2001.
  12. Gross, R. S., The excitation of the Chandler wobble, Geophys. Res. Lett., 27, 2329–2332, 2000.
  13. Gross, R. S., and J. Vondrák, Astrometric and space-geodetic observations of polar wander, Geophys. Res. Lett., 26, 2085–2088, 1999.
  14. Gross, R. S., B. F. Chao, and S. Desai, Effect of long-period ocean tides on the Earth’s polar motion, Prog. Oceanogr., 40, 385 –397, 1998.
  15. Gross, R. S., T. M. Eubanks, J. A. Steppe, A. P. Freedman, J. O. Dickey, and T. F. Runge, A Kalman filter-based approach to combining independent Earth orientation series, J. Geodesy, 72, 215–235, 1998.
  16. Gross, R. S., S. L. Marcus, T. M. Eubanks, J. O. Dickey, and C. L. Keppenne, Detection of an ENSO signal in seasonal length-of-day variations, Geophys. Res. Lett., 23, 3373 –3376, 1996.
  17. Gross, R. S., K. H. Hamdan, and D. H. Boggs, Evidence for excitation of polar motion by fortnightly ocean tides, Geophys. Res. Lett., 23, 1809–1812, 1996.
  18. Gross, R. S., The effect of ocean tides on the Earth’s rotation as predicted by the results of an ocean tide model, Geophys. Res. Lett., 20, 293 –296, 1993.
  19. Gross, R. S., Correspondence between theory and observations of polar motion, Geophys. J. Int., 109, 162–170, 1992.
  20. Gross, R. S., and U. J. Lindqwister, Atmospheric excitation of polar motion during the GIG '91 measurement campaign, Geophys. Res. Lett., 19, 849–852, 1992.
  21. Gross, R. S., and B. F. Chao, The global geodynamic effect of the Macquarie ridge earthquake, Geophys. Res. Lett., 17, 1009–1012, 1990.
  22. Chao, B. F., and R. S. Gross, Changes in the Earth’s rotation and low-degree gravitational field induced by earthquakes, Geophys. J. Roy. astr. Soc., 91, 569–596, 1987.
  23. Gross, R. S., The influence of earthquakes on the Chandler wobble during 1977-1983, Geophys. J. Roy. astr. Soc., 85, 161–177, 1986.

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