Faculty |
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R. STEVE NEREM
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Research Interests:
Academic Appointments:
Professor, Dept. of Aerospace Engineering Sciences, University of Colorado at Boulder, August 2000 – present.
Associate Professor, Dept. of Aerospace Engineering Sciences, University of Colorado at Boulder, August 2000 – 2005.
Associate Director, Colorado Center for Astrodynamics Research, University of Colorado at Boulder, January 2002 – present.
Associate Professor, Dept. of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, September 1999 – August 2000.
Assistant Professor, Dept. of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, January 1996 – August 1999.
Other Professional Experience:
Visiting Scientist, Groupe de Recherches en Géodésie Spatiale, Centre National d’Etudes Spatiale, Toulouse, France, March – August, 2002
Geophysicist, Space Geodesy Branch, Laboratory for Terrestrial Physics, NASA Goddard Space Flight Center, Greenbelt, MD, May 1990 - January 1996.
Member of Technical Staff, Pilot Ocean Data System, Jet Propulsion Laboratory, Pasadena, CA, May 1985 - Aug. 1985.
Physical Scientist, National Oceanic and Atmospheric Administration, assigned to the Center for Space Research,The University of Texas at Austin, Sept. 1982 - Dec. 1984.
Research Assistant, National Oceanic and Atmospheric Administration, assigned to NASA Johnson Space Center, June 1982 - Aug. 1982
Memberships in Professional Societies:
Member, American Geophysical Union, 1982-present.
Member, International Union of Geodesy and Geophysics, 1987-present.
Member, International Association of Geodesy, 1989-present.
Member, American Institute of Aeronautics and Astronautics, 1990-present.
Member, European Geophysical Union, 1991-present.
Member, American Society of Engineering Education, 1997-present
Member, Institute of Electrical and Electronics Engineers, 1998-present
Professional Society and Major Governmental Committees, Editorial Boards, and Conferences Chaired:
Member, TOPEX Precision Orbit Determination Team, 1989-present.
Member, TOPEX Gravity Model Improvement Team, 1989-96.
Member, International Association of Geodesy Special Study Group 2.107, Gravity Field Determination by Satellite Gravity Gradiometry, 1991-95.
Member, International Association of Geodesy Special Study Group 2.132, Time-Varying Gravitational Effects on Satellite Orbits, 1991-95.
Member, International Association of Geodesy Special Study Group 2.151, Altimetry: Optimal Processing for Geodesy, Geophysics, and Oceanography, 1991-95.
Member (corresponding), International Association of Geodesy Special Study Group 2.130, Non-Gravitational Force Modeling Effects on Satellite Orbits, 1991-95.
Member, NOAA Climate and Global Change Program Proposal Review Panel, 1992.
Session Chairman, Planetary Geodesy, American Geophysical Union Spring Meeting, 1992.
Session Chairman, Satellite Altimetry, American Geophysical Union Fall Meeting, 1992.
Member, NASA/GSFC Source Evaluation Board (SEB), Geodynamics Contract, 1993.
Geodesy Section Program Chairman, American Geophysical Union Spring Meeting, 1993.
Session Chairman, Geodesy at the Crossroads, American Geophysical Union Spring Meeting, 1993.
Session Chairman, Ocean Topography and Circulation, American Geophysical Union Fall Meeting, 1993
Member, NASA Proposal Review Panel, Near Earth Asteroid Rendezvou (NEAR) Mission Facility Instrument Team, 1994.
Geodesy Section Program Chairman, American Geophysical Union Spring Meeting, 1994.
Session Chairman, Applications of Geodesy to Monitoring Global Change, American Geophysical Union Spring Meeting, 1994.
Member, AIAA Committee on Astrodynamics Standards, 1992-present.
Member, TOPEX SWT Subcommittee on Intercomparison and Merging of Geodetic Data, 1990-93.
Member, EOS Precision Orbit Determination/Mission Design Panel, 1990-92.
Member, Geodesy Section Executive Committee, American Geophysical Union, 1994-present.
Member, IAG Special Study Group 4.168, Inversion of Satellite Altimetry, 1995-99.
Member, IAG Special Study Group 3.165, Global Gravity Field Determination and Evaluation, 1995-99.
Geodesy Section Press Officer, American Geophysical Union Spring Meeting, 1995.
Session Chairman, Global Sea Level Change, American Geophysical Union Spring Meeting, 1995.
Session Chairman, Satellite Altimetry, American Geophysical Union Fall Meeting, 1995.
Session Co-convenor, International Union of Geodesy and Geophysics/International Association of Geodesy General Assembly, 1995.
Session Chairman, European Geophysical Society, 1996.
Session Chairman, Planetary Geodesy, American Geophysical Union Fall Meeting, 1996.
Member, NASA Planetary Science Data Steering Group (PSDSG), 1995-96.
Session Chair, IGS/PSMSL Sea Level Workshop, 1997
Group Leader for Calibration/Validation, Jason Science Team Meeting, Baltimore, May, 1997.
Session Chair, Geodesy, American Geophysical Union Fall Meeting, December 1998.
Session Chair, Geodesy, American Geophysical Union Spring Meeting, May 1999.
Session Chair, Geodesy, American Geophysical Union Fall Meeting, December 2000.
Member, IAG/IAPSO Joint Working Group on Geodetic Effects of Nontidal Oceanic Processes, 1999-2003
Session Chair, Geodesy, American Geophysical Union Fall Meeting, December 2003.
Editor, Geodesy Section, Eos Transactions, 1999-2002.
Associate Editor, Journal of Geophysical Research - Solid Earth, 1995-1998.
Secretary, Geodesy Section, American Geophysical Union, 2002-2004
University Committees/Administrative Assignments:
Member, Graduate Studies Committee, 1996-97
Member, ASE/EM Computer Committee, 1997-98
Member, ASE/EM ABET Metrics Committee, 1997
Chair, Orbital Mechanics Ph.D. Qualifying Exam Committee, 1997
ASE/EM Graduate Area Coordinator (Orbital Mechanics), 1998-present
Engineering Honors Program Committee, 1998-present
Member, Center for Space Research Review Committee, College of Engineering, 1999
Member, AES Graduate Curriculum Committee, 2003-present
Member, Adhoc Committee on AES/LASP Cooperation, 2002-2004
Member, AES Graduate Committee on Recruitment, 2004-present
Member, AES Evaluation/Salary Committee, 2003-2004
Chair, AES Faculty Search Committee, 2003-2004
Member, Geophysics Program Steering Committee, 2002-present
Fellow, Cooperative Institute for Research in Environmental Sciences, 2003-present
Honors and Awards:
M. J. Thompson Presidential Graduate Endowed Fellowship in Aerospace Engineering, The University of Texas at Austin, 1987-88.
NASA/Goddard Space Flight Center Outstanding Performance/Quality Increase Award, 1991.
NASA/Goddard Space Flight Center Performance Award, 1992.
NASA Group Achievement Award (Goddard Earth Model GEM-T3), 1992.
Editors' Citation for Excellence in Refereeing for Geophysical Research Letters, 1993.
NASA/GSFC Certificate of Outstanding Performance,1993.
NASA/Goddard Space Flight Center Quality Increase Award,1993.
NASA/GSFC Special Act Group Award, Lageos II Project Team,1993.
NASA Group Achievement Award (TOPEX/Poseidon Mission Design),1993.
NASA/Goddard Space Flight Center Group Achievement Award (Lageos-2 Project Team),1993.
NASA/Goddard Space Flight Center Group Achievement Award (Joint Gravity Model 1 Team),1993.
NASA/GSFC Performance Award (Outstanding), 1994
NASA/GSFC Certificate of Outstanding Performance, 1994
NASA Public Service Group Achievement Award (TOPEX/POSEIDON Precision Orbit Determination Team), 1994
NASA/Goddard Space Flight Center Group Achievement Award (TOPEX/Poseidon Precision Orbit Determination Team), 1994
NASA Exceptional Scientific Achievement Medal, 1995
Big XII Faculty Fellowship (1998-99)
1998 Faculty Excellence Awards Recipient, Halliburton Foundation Young Faculty Award
2005 Bowie Lecturer, American Geophysical Union
2006 Geodesy Section Award, American Geophysical Union
Continuing Education:
“GIPSY/OASIS Software Users Class, Jet Propulsion Laboratory,” given at the University of Colorado, Boulder, Colorado, July 1993.
"American Society of Engineering Education (ASEE) National Effective Teaching Institute (NETI)", Washington, DC, June 20-22, 1996.
Center for Teaching Effectiveness, The University of Texas at Austin, New Faculty Workshop, August, 1996.
Publications
Refereed Journal Publications:
1. Lundberg, J., V. Szebehely, R. S. Nerem, B. Beal, “Surfaces of Zero Velocity in the Restricted Problem of Three Bodies,” Celestial Mechanics, Vol. 36, pp. 191-205, 1985.
2. Nerem, R. S., R. K. Holz, M. R. Helfert and B. D. Tapley, “Vegetation Change Detection from NOAA Polar Orbiting Satellites,” GeoJournal, Vol. 11, No. 4, pp. 313-320, 1985.
3. Ludeke, A. K., R. K. Holz, P. L. Phillips and R. S. Nerem, “Seasonal/Cultural Change in Central America: an Analysis Application of NOAA-AVHRR Imagery,” Revista Geografica, No. 103, June, 1986.
4. Tapley, B. D., R. S. Nerem, C. K. Shum, J. C. Ries, and D. N. Yuan, “Determination of the General Circulation of the Oceans from a Joint Gravity Field Solution,” Geophysical Research Letters, Vol. 15, No. 10, pp. 1109-1112, September, 1988.
5. Nerem, R. S., B. D. Tapley, and C. K. Shum, “Determination of the Ocean Circulation Using GEOSAT Altimetry,” Journal of Geophysical Research (Geosat Special Issue I), Vol. 95, No. C3, pp. 3163-3179, March 15, 1990.
6. Shum, C. K., R. A. Werner, D. T. Sandwell, B. H. Zhang, R. S. Nerem, and B. D. Tapley, “Variations of Global Mesoscale Eddy Energy Observed From Geosat,” Journal of Geophysical Research (Geosat Special Issue II), Vol. 95, No. C10, pp. 17865-17876, October 15, 1990.
7. Lerch, F. J., R. S. Nerem, D. S. Chinn, J. C. Chan, G. B. Patel, and S. M. Klosko, “New Error Calibration Tests for Gravity Models Using Subset Solutions with Independent Data: Applied to GEM-T3,” Geophysical Research Letters, Vol. 20, No. 2, pp. 249-252, February 5, 1993.
8. Nerem, R. S., B. F. Chao, A. Y. Au, J. C. Chan, S. M. Klosko, N. K. Pavlis, and R. G. Williamson, “Time Variations of the Earth's Gravitational Field From Satellite Laser Ranging to LAGEOS, “ Geophysical Research Letters, Vol. 20, No. 7, pp. 595-598, April 9, 1993.
9. Nerem, R. S., B. G. Bills, and J. B. McNamee, “A High Resolution Gravity Model for Venus: GVM-1, “ Geophysical Research Letters, Vol. 20, No. 7, pp. 599-602, April 9, 1993.
10. Nerem, R. S., B. H. Putney, J. A. Marshall, F. J. Lerch, E. C. Pavlis, S. M. Klosko, S. B. Luthcke, G. B. Patel, R. G. Williamson, and N. P. Zelensky, “Expected Orbit Determination Performance for the TOPEX/Poseidon Mission, “ IEEE Transactions on Geoscience and Remote Sensing, Vol. 31, No. 2, pp. 333-354, March 1993.
11. Smith, D. E., F. J. Lerch, R. S. Nerem, M. T. Zuber, G. B. Patel, S. K. Fricke, and F. G. Lemoine, “An Improved Gravity Model for Mars: Goddard Mars Model-1, “ Journal of Geophysical Research, Vol. 98, No. E11, pp. 20871-20889, November 25, 1993.
12. Lerch, F. J., R. S. Nerem, B. H. Putney, T. L. Felsentreger, B. V. Sanchez, S. M. Klosko, G. B. Patel, R. G. Williamson, D. S. Chinn, J. C. Chan, K. E. Rachlin, N. L. Chandler, J. J. McCarthy, J. A. Marshall, S. B. Luthcke, D. E. Pavlis, J. W. Robbins, S. Kapoor, and E. C. Pavlis, “Geopotential Models from Satellite Tracking, Altimeter, and Surface Gravity Data: GEM-T3 and GEM-T3S, “ Journal of Geophysical Research, Vol. 99, No. B2, pp. 2815-2839, February 10, 1994.
13. Nerem, R. S., F. J. Lerch, R. G. Williamson, S. M. Klosko, J. W. Robbins, and G. B. Patel, “Gravity Model Improvement Using the DORIS Tracking System on the SPOT-2 Satellite, “ Journal of Geophysical Research, Vol. 99, No. B2, pp. 2791-2813, February 10, 1994.
14. Christensen, E. J., B. J. Haines, K. C. McColl, and R. S. Nerem, “Observations of Geographically Correlated Orbit Errors for TOPEX/Poseidon Using the Global Positioning System, “ Geophysical Research Letters, Vol. 21, No. 19, pp. 2175-2178, September 15, 1994.
15. Nerem, R. S., F. J. Lerch, S. M. Klosko, G. B. Patel, R. G. Williamson, and C. J. Koblinsky, “Ocean Dynamic Topography from Satellite Altimetry Based on the GEM-T3 Gravity Model, “ Manuscripta Geodaetica, Vol. 19, pp. 346-366, September, 1994.
16. Smith, D. E., R. Kolenkiewicz, R. S. Nerem, P. J. Dunn, M. H. Torrence, J. W. Robbins, S. M. Klosko, R. G. Williamson, and E. C. Pavlis, “Contemporary Global Horizontal Crustal Motion”, Geophysical Journal International, Vol. 119, pp. 511-520, 1994.
17. Nerem, R. S., F. J. Lerch, J. A. Marshall, E. C. Pavlis, B. H. Putney, B. D. Tapley, R. J. Eanes, J. C. Ries, B. E. Schutz, C. K. Shum, M. M. Watkins, J. C. Chan, S. M. Klosko, S. B. Luthcke, G. B. Patel, N. K. Pavlis, R. G. Williamson, R. H. Rapp, R. Biancale, and F. Nouel, “Gravity Model Development for TOPEX/POSEIDON: Joint Gravity Models 1 and 2, “ Journal of Geophysical Research, Vol. 99, No. C12, pp. 24,421-24,447, December 15, 1994.
18. Tapley, B. D., J. C. Ries, G. W. Davis, R. J. Eanes, B. E. Schutz, C. K. Shum, M. M. Watkins, J. A. Marshall, R. S. Nerem, B. H. Putney, S. M. Klosko, S. B. Luthcke, D. E. Pavlis, R. G. Williamson, and N. P. Zelensky, “Precision Orbit Determination for TOPEX/POSEIDON, “ Journal of Geophysical Research, Vol. 99, No. C12, pp. 24,383-24,404, December 15, 1994.
19. Nerem, R. S., E. J. Schrama, C. J. Koblinsky, and B. D. Beckley, “A Preliminary Evaluation of Ocean Topography from the TOPEX/Poseidon Mission, “ Journal of Geophysical Research, Vol. 99, No. C12, pp. 24,656-24,583, December 15, 1994.
20. Christensen, E. J., B. J. Haines, S. J. Keihm, C. S. Morris, R. S. Norman, G. H. Purcell, B. G. Williams, B. C. Wilson, G. H. Born, M. E. Parke, S. K. Gill, C. K. Shum, B. D. Tapley, R. Kolenkiewicz, R. S. Nerem, “Calibration of TOPEX/POSEIDON at Platform Harvest, “ Journal of Geophysical Research, Vol. 99, No. C12, pp. 24,465-24,485, December 15, 1994.
21. Nerem, R. S., “Global Mean Sea Level Variations from TOPEX/POSEIDON Altimeter Data,” Science, Vol. 268, pp. 708-710, May 5, 1995.
22. Nerem, R. S., C. Jekeli, and W. M. Kaula, “Gravity Field Determination and Characteristics: Retrospective and Prospective,” Journal of Geophysical Research, Vol. 100, No. B8, pp. 15053-15074, August 10, 1995.
23. Nerem, R. S., “Terrestrial and Planetary Gravity Fields,” Reviews of Geophysics, Supplement, U.S. National Report to International Union of Geodesy and Geophysics 1991-1994, pp. 469-476, July, 1995.
24. Nerem, R. S., “Measuring Global Mean Sea Level Variations Using TOPEX/POSEIDON Altimeter Data,” Journal of Geophysical Research, Vol. 100, No. C12, pp. 25,135-25,151, December 15, 1995.
25. Bills, B. G., and R. S. Nerem, “A Harmonic Analysis of Martian Topography,” Journal of Geophysical Research, Vol. 100, No. E12, pp. 26,317-26,326, 1995.
26. Kiefer, W. S., B. G. Bills, and R. S. Nerem, “An Inversion of Gravity and Topography for Mantle and Crustal Structure on Mars,” Journal of Geophysical Research - Planets, Vol. 101, No. E4, pp. 9239-9252, April 15, 1996.
27. Frey, H. V., B. G. Bills, R. S. Nerem, and J. H. Roark, “The Isostatic State of Martian Topography Revisited,” Geophysical Research Letters, Vol. 23, No. 7, pp. 721-724, April 1, 1996.
28. Tapley, B. D., M. M. Watkins, J. C. Ries, G. W. Davis, R. J. Eanes, S. R. Poole, H. J. Rim, B. E. Schutz, C. K. Shum, R. S. Nerem, F. J. Lerch, J. A. Marshall, S. M. Klosko, N. K. Pavis, and R. G. Williamson, “The JGM-3 Gravity Model,” J. Geophys. Res., Vol. 101, No. B12, pp. 28029-28049, 1996.
29. Nerem, R. S., K. E. Rachlin, and B. D. Beckley, “Characterization of Global Mean Sea Level Variations Observed by TOPEX/POSEIDON Using Empirical Orthogonal Functions,” Surveys in Geophysics, Vol. 18, pp. 293-302, 1997.
30. Nerem, R. S., B. J. Haines, J. Hendricks, J. F. Minster, G. T. Mitchum, and W. B. White, “Improved determination of global mean sea level variations using TOPEX/POSEIDON altimeter data,” Geophysical Research Letters, Vol. 24, No. 11, pp. 1331-1334, June 1, 1997.
31. Schenewerk, M. S., T. M. vanDam, and R. S. Nerem, “Seasonal motion of the Annapolis, MD GPS Monument,” GPS Solutions, Vol.. 2, No. 3, pp. 41-49, 1999.
32. Chen, J. L., C. R. Wilson, D. P. Chambers, R. S. Nerem, and B. D. Tapley, “Global water mass balance and mean sea level variations”, Geophysical Research Letters, Vol. 25, No. 19, pp. 3555-3558, 1998.
33. Chen, J. L., C. R. Wilson, R. J. Eanes, and R. S. Nerem, “Geophysical Interpretation of Observed Geocenter Motions”, Journal of Geophysical ResearchVol. 104, No. B2, pp. 2683-2690, 1999.
34. Nerem, R. S., “Measuring Very Low Frequency Sea Level Variations Using Satellite Altimeter Data,” Global and Planetary Change, Vol. 20, No. 2-3, pp. 157-171, 1999.
35. Nerem, R. S., D. P. Chambers, E. W. Leuliette, G. T. Mitchum, and B. S. Giese, “Variations in Global Mean Sea Level Associated with the 1997-1998 ENSO Event: Implications for Measuring Long Term Sea Level Change”, Geophysical Research Letters, Vol. 26, No. 19, pp. 3005-3008, 1999.
36. Goldstein, D. B., R. S. Nerem, E. S. Barker, J. V. Austin, A. B. Binder, W. C. Feldman, “Using the Impact of the Lunar Prospector Orbiter in a Polar Cold Trap to Detect Water Ice”, Geophysical Research Letters, Vol. 26, No. 12, pp. 1653-1656, 1999.
37. Nerem, R. S., R. J. Eanes, P. Thompson, and J. L. Chen, "Observations of Seasonal Variations of the Earth's Gravity Field Using Satellite Laser Ranging and Geophysical Models", Geophysical Research Letters, Vol. 27, No. 12, pp. 1783-1786, 2000.
38. Chambers, D. P., J. L. Chen, R. S. Nerem, and B. D. Tapley, “Global Mean Sea Level Change and the Earth’s Water Mass Budget”, Geophysical Research Letters, Vol. 27 , No. 19 , p. 3073-3076, 2000.
39. Bills, B. G., and R. S. Nerem, “Mars Topography: Lessons Learned from Spatial and Spectral Domain Comparisons of MOLA and USGS Data”, J. Geophys. Res., Vol. 106, No. E12, pp. 32915-32926, 2001.
40. Goldstein, D. B., J. V. Austin, E. S. Barker, and R. S. Nerem, “Short-time Exosphere Evolution Following an Impulsive Vapor Release on the Moon”, J. Geophys. Res., Vol. 106, No. E12, pp. 32841-32846, 2001.
41. Park, K.-D., R. Nerem, J. L. Davis, M. S. Schenewerk, G. A. Milne, and J. X. Mitrovica, “Investigation of glacial isostatic adjustment in the northeast U.S. using GPS measurements”, Geophys. Res. Lett., 29(11), 1509, doi:10.1029/2001GL013782, 2002.
42. Leuliette, E. W., R. S. Nerem, and G. L. Russell, “Detecting Time Variations in Gravity Associated with Climate Change”, J. Geophys. Res., Vol. 107, No. B6, doi:10.1029/2001JB000404, 2002.
43. Chambers, D. P., T. J. Urban, D. Fujii, C. A. Mehlhaff, and R. S. Nerem, Low Frequency Variations in Global Mean Sea Level: 1950-2000, J. Geophys. Res., Vol. 107, No. C4, pp. 1-10, 2002.
44. Nerem, R. S., and G. T. Mitchum, “Estimates of vertical crustal motion derived from differences of TOPEX/POSEIDON and tide gauge sea level measurements”, Geophys. Res. Lett., 29(19), 1934, doi:10.1029/2002GL015037, 2002.
45. Chambers, D. P. C. A. Mehlhaff, T. J. Urban, and R. S. Nerem, Analysis of interannual and low-frequency variability in global mean sea level from altimetry and tide gauges, Phys. Chem. Earth, Vol. 27, pp.1407-1411, 2002.
46. Gabor, M. J., and R. S. Nerem, “Satellite-Satellite Single Difference Phase Bias Calibration As Applied to Ambiguity Resolution”, Navigation, Vol. 49, No. 4, pp. 223-242, 2003.
47. Bender, P. L., R. S. Nerem, and J. M. Wahr, Possible Future Use of Laser Gravity Gradiometers, Space Sci. Rev., Vol. 108, No. 1, pp. 385-392, 2003.
48. Nerem, R. S., J. M. Wahr, and E. W. Leuliette, Measuring the Distribution of Ocean Mass Using GRACE, Space Sci. Rev., Vol. 108, No. 1, pp. 331-344, 2003.
49. Gabor, M. J., and R. S. Nerem, Characteristics of Satellite-Satellite Single Difference Widelane Fractional Carrier Phase Biases, Navigation, Vol. 51, No. 1, pp. 77-92, 2004.
50. Park, K. D., R. S. Nerem, M. S. Schenewerk, and J. L. Davis, Site-Specific Multipath Characteristics of Global IGS and CORS GPS Sites, J. Geodesy, Vol. 77, No. 12, pp. 799-803, DOI 10.1007/s00190-003-0359-9, 2004.
51. Cazenave, A., and R. S. Nerem, Present-Day Sea Level Change: Observations and Causes, Rev. Geophys., 42, RG3001, doi:10.1029/2003RG000139, 2004.
52. Leuliette, E. W., R. S. Nerem, and G. T. Mitchum, Results of TOPEX/Poseidon and Jason calibration to Construct a Continuous Record of Mean Sea Level, Marine Geodesy, Vol. 27, No. 1-2, pp. 79-94, 2004.
53. Chambers, D. P., J. Wahr, and R. S. Nerem, Preliminary observations of global ocean mass variations with GRACE, Geophys. Res. Lett., 31, L13310, doi:10.1029/2004GL020461, 2004.
54. Yoon, Y. T., R. S. Nerem, M. M. Watkins, B. J. Haines, and G. L. Kruizinga, The Effects of GPS Carrier Phase Ambiguity Resolution on Jason-1, Marine Geodesy, Vol. 27, No. 3-4, 2004.
55. Lombard, A., A. Cazenave, K. DoMinh, C. Cabanes, and R. S. Nerem, Thermosteric sea level rise for the past 50 years: comparison with tide gauges and inference on water mass contribution, Global and Planetary Change, Vol. 48, No. 4, pp. 303-312, 2005.
56. Sutton, E. K., J. M. Forbes, and R. S. Nerem, Global thermospheric neutral density and wind response to the severe 2003 geomagnetic storms from CHAMP accelerometer data, J. Geophys. Res., 110, A09S40, doi:10.1029/2004JA010985, 2005.
57. Forbes, J. M., G. Lu, S. Bruinsma, R. S. Nerem, and X. Zhang, Thermosphere density variations due to the 15-24 April 2002 solar events from CHAMP/STAR accelerometer measurements, J. Geophys. Res., 110, A12S27, doi:10.1029/2004JA010856, 2005.
58. Luthcke, S. B., H. J. Zwally, W. Abdalati, D. D. Rowlands, R. D. Ray, R. S. Nerem, F. G. Lemoine, J. J. McCarthy, and D. S. Chinn, Recent Greenland Ice-Sheet Mass Loss Derived from High-Resolution Analysis of Gravity Observations, Science, 314, 1286-1289, 2006.
59. Bruinsma S., J. M. Forbes, R. S. Nerem, X. Zhang, Thermosphere density response to the 20–21 November 2003 solar and geomagnetic storm from CHAMP and GRACE accelerometer data, J. Geophys. Res., 111, A06303, doi:10.1029/2005JA011284, 2006.
60. Nerem, R. S., A. Cazenave, D. P. Chambers, L. Fu, E. W. Leuliette, G. T. Mitchum, Comment on “Estimating future sea level change from past records” by Nils-Axel Mörner, Global and Planetary Change, 55, 358-360, 2006.
61. Sutton E. K., J. M. Forbes, R. S. Nerem, T. N. Woods, Neutral density response to the solar flares of October and November, 2003, Geophys. Res. Lett., 33, L22101, doi:10.1029/2006GL027737, 2006.
62. Nerem, R. S., E. Leuliette, and A. Cazenave, Present-day sea-level change: A review. Comptes Rendus Geoscience, 338, 1077-1083, 2006.
63. Sutton, E.K., R.S. Nerem, and J.M. Forbes, Atmospheric Density and Wind Measurements from Accelerometer Data, J. Spacecraft and Rockets, in review, 2007.
64. Tamisiea, M. E., J. X. Mitrovica, R. S. Nerem, E. W. Leuliette, and G. A. Milne, Correcting Satellite-Derived Estimates of Global Mean Sea Level Change for Glacial Isostatic Adjustment, Geophys. J. Int., in review, 2007.
65. Chambers, D. P., M. Tamisiea, and R. S. Nerem, Effects of Ice Melting on GRACE Observations of Ocean Mass Trends, Geophys. Res. Lett., in review, 2007.
Refereed Conference Proceedings:
3. Nerem, R. S., F. J. Lerch, B. H. Putney, S. M. Klosko, R. G. Williamson, G. B. Patel, and E. C. Pavlis, “Long Wavelength Geopotential and Tidal Modeling for Geodynamics and Ocean Dynamics: GEM-T3 and GEM-T3S, Gravimetry and Space Techniques Applied to Geodynamics and Ocean Dynamics,” B. Schutz, A. Anderson, C. Froidevaux, and M. Parke, Editors, AGU Geophysical Monograph 82, IUGG Volume 17, pp. 9-19, 1994.
4. Nerem, R. S., S. M. Klosko, and N. K. Pavlis, “Applications of Global Gravity Field Models in Geodesy and Oceanography, in Global Gravity Field and its Temporal Variations,” IAG Symposia No. 116, pp. 1-11, R. H. Rapp, A. A. Cazenave, R. S. Nerem (Eds.), Springer-Verlag, 1996.
5. Nerem, R. S., F. J. Lerch, R. Salman, R. Trimmer, S. Kenyon, R. H. Rapp, N. K. Pavlis, S. Klosko, J. C. Chan, M. H. Torrence, Y. M. Wang, R. G. Williamson, and E. C. Pavlis, “Preliminary Results from the Joint GSFC/DMA Gravity Model Project, in Global Gravity Field and its Temporal Variations,” IAG Symposia No. 116, pp. 92-110, R. H. Rapp, A. A. Cazenave, R. S. Nerem (Eds.), Springer-Verlag, 1996.
6. Nerem, R. S., and S. M. Klosko, “Secular Variations of the Zonal Harmonics and Polar Motion as Geophysical Constraints, in Global Gravity Field and its Temporal Variations,” IAG Symposia No. 116, pp. 152-163, R. H. Rapp, A. A. Cazenave, R. S. Nerem (Eds.), Springer-Verlag, 1996.
7. Shum, C. K., B. D. Tapley, B. E. Schutz, B. H. Zhang, and R. S. Nerem, “Altimeter Methods for the Determination of the Earth's Gravity Field,” Proceedings of the International Association of Geodesy Symposia, pp. 629-644, IUGG XIX General Assembly, Vancouver, Canada, August 10-22, 1987.
8. Nerem, R. S., B. D. Tapley, and C. K. Shum, “A General Ocean Circulation Model Determined in a Simultaneous Solution with the Earth's Gravity Field,” International Association of Geodesy Symposia 104 - Sea Surface Topography and the Geoid, pp. 158-165, Eds. H. Sunkel and T. Baker, Springer-Verlag, 1990.
9. Smith, D. E. and R. S. Nerem, “Gravity Modeling of Mars and Venus at NASA/GSFC,” International Association of Geodesy Symposia 110, From Mars to Greenland: Charting Gravity With Space and Airborne Instruments, O. L. Colombo, Editor, pp. 11-27, Springer-Verlag, 1992.
10. Nerem, R. S., F. J. Lerch, B. H. Putney, S. M. Klosko, G. B. Patel, R. G. Williamson, and E. C. Pavlis, “An Improved Model of the Earth's Gravity Field: GEM-T3, International Association of Geodesy Symposia 110,” From Mars to Greenland: Charting Gravity With Space and Airborne Instruments, O. L. Colombo, Editor, pp. 29-44, Springer-Verlag, 1992.
11. Lemoine, F. G., D. E. Smith, L. Kunz, R. Smith, E. C. Pavlis, N. K. Pavlis, S. M. Klosko, D. S. Chinn, M. H. Torrence, R. G. Williamson, C. M. Cox, K. E. Rachlin, Y. M. Wang, S. C. Kenyon, R. Salmon, R. Trimmer, R. H. Rapp, and R. S. Nerem, The Development of the NASA GSFC and NIMA Joint Geopotential Model, Proceedings of the International Symposium on Gravity, Geoid, and Marine Geodesy, The University of Tokyo, Vol. 117, pp. 461-469, Segawa et al. (eds.), Springer-Verlag, 1997.
12. Gabor, M. J., and R. S. Nerem, A New Approach to GPS Carrier Phase Ambiguity Resolution, American Astronautical Society, Anchorage, Alaska, August, 1999.
13. R. S. Nerem, D. Morken, and B. J. Haines, Using Antenna Calibration Maps for Improving the GPS Vertical, The State of GPS Vertical Positioning Precision: Separation of Earth Processes by Space Geodesy, Luxembourg, April 2-4, 2003, pp. 85-90, 2004.
Other Major Publications:
1. Nerem, R. S. and M. R. Helfert, “Tracking the greeness vector using the 20-kilometer aggregated GAC global product,” AgRISTARS Technical Interchange Conference, Proceedings, pp. 1-5, 1983.
2. Nerem, R. S., R. K. Holz, M. R. Helfert and B. D. Tapley, “Vegetation Change Detection from NOAA Polar Orbiting Satellites,” AgRISTARS Technical Interchange Conference, Proceedings, pp. 6-25, 1983.
3. Nerem, R. S. and R. K. Holz, “The Use of NOAA-n AVHRR Satellite Data and Hand-Held Earth Photography from Space in a Multi-Data Study of the Nile Delta,” 1984 American Society of Photogrammetry and Remote Sensing Fall Convention - Technical Papers, pp. 722-736, 1984.
4. Gallegos, S. C., R. S. Nerem, T. I. Gray and M. R. Helfert, “Vegetative Responses From a Great Barrier Reef Surface Water Feature Detected by Space Shuttle Photography,” 1984 American Society of Photogrammetry and Remote Sensing Fall Convention - Technical Papers, pp. 699 - 707, 1984.
5. Tapley, B. D., R. S. Nerem, and S. C. Gallegos, “To See the Sea”, Discovery, Vol. 10. No. 4, pp. 10-16, The University of Texas at Austin, 1987.
6. Nerem, R. S., B. D. Tapley, C. K. Shum, and D. N. Yuan, “A Model of the General Ocean Circulation Determined From a Joint Solution for the Earth's Gravity Field,” Chapman Conference on Progress in the Determination of the Earth's Gravity Field, American Geophysical Union, Extended Abstracts, pp. 142-145 Sept. 13-16, 1988.
7. Nerem, R. S., J. A. Marshall, B. H. Putney, E. Pavlis, S. M. Klosko, R. G. Williamson, and N. P. Zelensky, “Precision Orbit Determination for the TOPEX/Poseidon Mission,” AIAA/AAS Astrodynamic Conference Proceedings, pp. 113-123, August, 1992.
8. Putney, B. H., J. A. Marshall, R. S. Nerem, F. J. Lerch, D. S. Chinn, C. C. Johnson, S. M. Klosko, S. B. Luthcke, K. E. Rachlin, T. A. Williams, R. G. Williamson, N. P. Zelensky, “Precise Orbit Determination for the TOPEX/Poseidon Mission,” AAS/AIAA Astrodynamics Specialist Conference, AAS93-577, Victoria, B. C., Canada, August, 1993.
9. Vetter, J. R., R. S. Nerem, P. Cefola, T. Hagar, “A Historical Survey of Earth Gravitational Models Used in Astrodynamics from Sputnik and Transit to GPS and Topex,” AAS/AIAA Astrodynamics Specialist Conference, AAS93-620, Victoria, B. C., Canada, August, 1993.
10. Nerem, R. S., F. G. Lemoine, J. A. Marshall, D. D. Rowlands, D. E. Smith, and J. P. Perini, “Precision Orbit Determination for the Mars Observer Mission,” AAS/AIAA Astrodynamics Specialist Conference, AAS93-602, Victoria, B. C., Canada, August, 1993.
11. Nerem, R. S., Temporal Variations of the Earth's Gravitational Field, Physics News in 1993, American Institute of Physics, pp. 35-36, December 15, 1993.
12. Nerem, R. S., Progress Made in Studying Variations of Earth's Gravity, EOS Transactions, Vol. 75, No. 7, p. 76, February 15, 1994.
13. Nerem, R. S., Progress Made in Studying Variations of Earth's Gravity, Geophysics News 1994, D. Presnall, Editor, American Geophysical Union, pp. 13-15, September, 1994.
14. Rapp, R. H., and R. S. Nerem, “A Joint GSFC/DMA Project for Improving the Model of the Earth's Gravitational Field,” Gravity and Geoid, Joint Symposium of the International Gravity Commission and the International Geoid Commission, H. Sunkel and I. Marson, Eds., Symposium No. 113, pp. 413-422, Springer-Verlag, 1995.
15. Nerem, R. S., F. J. Lerch, R. Salman, R. Trimmer, S. Kenyon, R. H. Rapp, N. K. Pavlis, S. M. Klosko, J. C. Chan, M. H. Torrence, Y. M. Wang, R. G. Williamson, and E. C. Pavlis, “Preliminary Results from the Joint GSFC/DMA Gravity Model Project”, AAS/AIAA Astrodynamics Specialist Conference, AAS95-310, Halifax, Nova Scotia, Canada, August, 1995.
16. Nerem, R. S., Global Mean Sea Level Change: Correction, Science, Letters to the Editor, Vol. 275, p. 1053, February 21, 1997.
17. Nerem, R. S., “Measuring Long-Term Sea Level Change Using Satellite Altimetry: An Introduction,” Proceedings of the IGS/PSMSL Sea Level Workshop, Jet Propulsion Laboratory, pp. 25-37, March 17-18, 1997.
18. Nerem, R. S., T. M. vanDam, and M. S. Schenewerk, “BAYONET: The Chesapeake Bay GPS Network,” Proceedings of the IGS/PSMSL Sea Level Workshop, Jet Propulsion Laboratory, pp. 107-115, March 17-18, 1997.
19. Nerem, R. S., T. M. vanDam, and M. S. Schenewerk, Chesapeake Bay Subsidence Monitored as Wetlands Loss Continues, Eos Transactions, Vol. 79, No. 12, March 24, 1998.
20. Nerem, R. S., T. M. van Dam, and M. S. Schenewerk, Sea-Level Rise Studied in Chesapeake Bay as Wetlands Loss Continues, Earth in Space, Vol. 10, No. 9, pp. 8-11, 1998.
21. Schenewerk, M. S., T. M. vanDam, and R. S. Nerem, "Gauging the Tides: Monitoring Subsidence Around the Chesapeake Bay", GPS World, Vol. 10., No. 5, pp. 34-41, 1999.
22. Bordi, J. J., J. K. Miller, B. G. Williams, R. S. Nerem, and F. J. Pelletier, The Impact of Altimeter Range Observations on NEAR Navigation, AIAA/AAS Astrodynamics Specialists Conference, AIAA 2000-4423, Denver, CO, August 14-17, 2000.
23. Pelletier, F. J., R. S. Nerem, J. J. Bordi, J. K. Miller, and B. G. Williams, Investigation of the Use of Altimeter Crossovers for the NEAR Navigation, AIAA/AAS Astrodynamics Specialists Conference, AAS-01-434, Quebec City, 2001.
24. Nerem, R. S., J. C. Ries, P. Bender, B. Thompson, P. Axelrad, J. Labrecque, and M. Gabor, Applications of Drag-Free Technology to Precision Satellite Navigation, AIAA/AAS Astrodynamics Specialists Conference, AAS-01-423, Quebec City, 2001.
25. Cazenave, A., and R. S. Nerem, Redistributing Earth’s Mass, Science, Vol. 297, No. 5582, pp. 783-784, 2002.
Books (Authored/Co-Authored, Edited/Co-Edited):
1. Rapp, R. H., A. A. Cazenave, and R. S. Nerem, Eds., Global Gravity Field and its Temporal Variations, International Association of Geodesy Symposia No. 116, Springer-Verlag, 1996.
Book Chapters (Authored/Co-Authored, Edited/Co-Edited):
1. Nerem, R. S., and C. J. Koblinsky, “The Geoid and Mean Ocean Circulation,” Chapter 16 in Geoid and its Geophysical Interpretations, pp. 321-335, P. Vanicek and N. T. Christou, Editors, CRC Press, 1993.
2. Nerem, R.S., and G.T. Mitchum, Sea Level Change, in Satellite Altimetry and Earth Sciences: A Handbook of Techniques and Applications, edited by L. Fu, and A. Cazenave, pp. 329-349, Academic Press, 2000.
3. Nerem, R.S., and G.T. Mitchum, Observations of Sea Level Change from Satellite Altimetry, in Sea Level Rise: History and Consequences, edited by B.C. Douglas, M.S. Kearney, and S.P. Leatherman, pp. 121-163, Academic Press, 2000.
4. Nerem, R. S., "An Outline of the Theory of Earth Orbiting Satellites", in the Encyclopedia of Space Science and Technology, H. Mark, Editor, Wiley, 2003.
5. Nerem, R. S., “Global Gravity Modeling”, in the Encyclopedia of Physical Science and Technology, 3rd Edition, Vol. 6, pp. 817-823, 2002.
Book Reviews (Authored/Co-Authored):
1. Nerem, R. S., The GPS Bible, review of Global Positioning System: Theory and Applications, GPS World, pp. 72-73, September, 1997.
2. Nerem, R. S., and K. M. Larson, Global Positioning System, Theory and Practice, 5th Edition, Eos Transactions, Vol. 82, No. 33, p. 365, 2001.
Technical Reports:
1. Nerem, R. S., “Orbital Mechanics Employed in Geosearch,” Jet Propulsion Laboratory Technical Memorandum 3340-85-099, August 27, 1985.
2. Everitt, C. W. F., J. V. Breakwell, M. Tapley, D. B. DeBra, B. W. Parkinson, D. E. Smith, O. L. Colombo, E. C. Pavlis, B. D. Tapley, R. S. Nerem, D. N. Yuan, and W. G. Melbourne, “Gravity Probe B as a Geodesy Mission and its Implications for Topex,” CSTG Bulletin, No. 11, pp. 55-67, June 1989.
3. Rapp, R. H., R. S. Nerem, C. K. Shum, S. M. Klosko, and R. G. Williamson, “Consideration of Permanent Tidal Deformation in the Orbit Determination and Data Analysis for the Topex/Poseidon Mission,” NASA Technical Memorandum 100775, January, 1991.
4. Nerem, R. S., “Improved Model of the Earth's Gravitational Field,” GSFC Research and Technology Report, pp. 53-54, 1991.
5. Lerch, F. J., R. S. Nerem, B. H. Putney, T. L. Felsentreger, B. V. Sanchez, S. M. Klosko, G. B. Patel, R. G. Williamson, D. S. Chinn, J. C. Chan, K. E. Rachlin, N. L. Chandler, J. J. McCarthy, J. A. Marshall, S. B. Luthcke, D. E. Pavlis, J. W. Robbins, S. Kapoor, and E. C. Pavlis, “Geopotential Models of the Earth from Satellite Tracking, Altimeter, and Surface Gravity Observations: GEM-T3 and GEM-T3S,” NASA Technical Memorandum 104555, January 1992.
6. Smith, D. E., F. J. Lerch, R. S. Nerem, M. T. Zuber, G. B. Patel, S. K. Fricke, and F. G. Lemoine, “An Improved Gravity Model for Mars: Goddard Mars Model-1 (GMM-1),” NASA Technical Memorandum 104584, May 1993.
7. Nerem, R. S., and C. J. Koblinsky, “Monitoring of Global Sea Level Variations Using TOPEX/POSEIDON Altimeter Data,” TOPEX/POSEIDON Research News, JPL 410-42, Issue 2, pp. 5-9, March 1994.
Lectures:
1. Measuring Sea Level Change from Earth Orbit: TOPEX/POSEIDON, Johns Hopkins University, Dept. of Earth and Planetary Sciences, November 2, 1995.
2. Measuring Global Sea Level Change Using TOPEX/POSEIDON Altimeter Data, The University of Texas at Austin, Dept. of Aerospace Engineering and Engineering Mechanics, March 28, 1996.
3. Measuring Long-Term Sea Level Change With TOPEX/POSEIDON, Hydrology / Hydrogeology Brown Bag Seminar Series, Dept. of Geological Sciences, The University of Texas at Austin, April 18, 1997.
4. Measuring Sea Level Change from Space, Kyoto University, Kyoto Japan, January, 1998.
5. Satellite Observations of Sea Level Change, Space-Based Geoscience Symposium, Dept. of Geological Sciences, The University of Texas at Austin, February, 1998.
6. Measuring Sea Level Change from Space, Texas A&M University, Dept. of Oceanography, November 9, 1998.
7. Measuring Sea Level Change from Space, Scripps Institute of Oceanography, February 26, 1999.
8. The Contributions of Future Satellite Missions to Measuring Temporal Variations in the Earth's Gravitational Field, University of Colorado, Department of Aerospace Engineering Sciences, August 18, 1999.
9. Impacting Lunar Prospector in a Cold Trap to Detect Water Ice, University of Colorado, Department of Aerospace Engineering Sciences, August 11, 1999.
10. The Measurement of Ocean Mass Distribution Using GRACE, Technical University of Munich, July 25, 2002.
11. An Investigation of Recent Observed Changes in the Earth’s Oblateness, CNES/GRGS, January 8, 2003.
12. Satellite Measurements of Temporal Variations of the Earth’s Gravitational Field, University of Colorado, Geology Colloquium, April 30, 2003.
13. Recent Developments in Sea Level Change Research, NOAA, Laboratory for Satellite Altimetry, Silver Spring, MD, June 15, 2004.
14. Satellite Measurements of Sea Level Change, National Center for Atmospheric Research, October 6, 2006.
Meeting Presentations:
1. Nerem, R. S. and M. R. Helfert, “Rapid Analysis of Vegetation Stress with NOAA-7 AVHRR Satellite Imagery: Case Study - The Orinoco and Meta River Basins,” EOS Transactions, American Geophysical Union, Vol. 64, No. 45, p. 698, Nov. 8, 1983.
2. Born, G. H., B. D. Tapley, C. K. Shum, J. C. Ries and R. S. Nerem, “Comparison of Seasat Mission Precision Ephermerides,” EOS Transactions, American Geophysical Union, Vol. 65, No. 45, p. 858, Nov. 6, 1984.
3. Shum, C. K., B. E. Schutz, B. D. Tapley, B. H. Zhang, and R. S. Nerem, “Altimeter Crossover Methods for Precision Orbit Determination,” EOS Transactions, American Geophysical Union, Vol. 67, No. 44, p. 909, Nov. 4, 1986.
4. Nerem, R. S., B. D. Tapley, D. N. Yuan, C. K. Shum, and J. C. Ries, “The Determination of the Large-scale Ocean Circulation from a Joint Gravity Field Solution,” EOS Transactions, American Geophysical Union, Vol. 68, No. 49, November, 1987.
5. Nerem, R. S., B. H. Zhang, S. K. Baum, and D. C. Biggs, “A Comparison of Dynamic Topography from Geosat Altimetry and from Hydrography in the Gulf of Mexico,” EOS Transactions, American Geophysical Union, Vol. 69, No. 44, p. 1280, November 1, 1988.
6. Zhang, B. H., R. S. Nerem, C. K. Shum, and B. D. Tapley, “Global Mesoscale Variability Time Series from Geosat Altimetry,” EOS Transactions, American Geophysical Union, Vol. 69, No. 44, p. 1280, November 1, 1988.
7. Nerem, R. S., B. D. Tapley, C. K. Shum, and D. N. Yuan, “The Large-Scale Ocean Circulation from Geosat Altimeter Data in a Joint Solution for the Earth's Gravity Field,” EOS Transactions, American Geophysical Union, Vol. 69, No. 44, p. 1268, November 1, 1988.
8. Smith, D. E., F. J. Lerch, R. S. Nerem, G. B. Patel, and S. K. Fricke, “Developing an Improved Higher Resolution Gravity Field Model for Mars,” EOS Transactions, American Geophysical Union, Vol. 71, No. 43, p. 1427, October 23, 1990.
9. Koblinsky, C. J., R. S. Nerem, R. G. Williamson, and S. M. Klosko, “Prospects for Measuring Large Scale Sea Surface Topography from Space”, EOS Transactions, American Geophysical Union, Vol. 71, No. 43, p. 1396, October 23, 1990. (invited)
10. Koblinsky, C. J., R. S. Nerem, S. M. Klosko, R. G. Williamson, and L. E. Braatz, “An Improved Dynamic Topography Model from SEASAT Satellite Altimetry,” EOS Transactions, American Geophysical Union, Vol. 71, No. 43, p. 1364, October 23, 1990.
11. Nerem, R. S., F. J. Lerch, B. H. Putney, C. J. Koblinsky, S. M. Klosko, R. G. Williamson, and G. B. Patel, “Sea Level Determination Using an Improved Gravity Field Model with Geos-3, Geosat, and Seasat Altimetry,” EOS Transactions, American Geophysical Union, Vol. 71, No. 43, p. 1267, October 23, 1990.
12. Nerem, R. S., C. J. Koblinsky, R. G. Williamson, S. M. Klosko, “Determination of the Time-Variations of the Long-Wavelength Dynamic Topography Using Geosat Altimetry,” EOS Transactions, American Geophysical Union, Vol. 71, No. 43, p. 1266, October 23, 1990. (invited)
13. Zuber, M. T., D. E. Smith, F. J. Lerch, R. S. Nerem, G. B. Patel, and S. K. Fricke, “A 40th Degree and Order Gravitational Field Model for Mars, Lunar and Planetary Science Conference Proceedings,” pp. 1581-1582, Lunar and Planetary Institute, Houston, Texas, March 1991.
14. Putney, B. H., R. S. Nerem, N. Zelensky, S. M. Klosko, J. A. Marshall, and E. C. Pavlis, “Precision Orbit Determination for TOPEX/POSEIDON by NASA/GSFC,” Annales Geophysicae, Suppl. Vol. 9, p. C91, European Geophysical Society XVI General Assembly, April 1991.
15. Nerem, R. S., F. J. Lerch, B. H. Putney, E. C. Pavlis, J. A. Marshall, S. M. Klosko, R. G. Williamson, and G. B. Patel, “Earth Gravity Model Development at NASA/GSFC,” Annales Geophysicae, Suppl. Vol. 9, p. C92, European Geophysical Society XVI General Assembly, April 1991. (invited)
16. Putney, B. H., R. S. Nerem, F. J. Lerch, E. C. Pavlis, S. M. Klosko, R. G. Williamson, and G. B. Patel, “Earth Gravity Model Development at NASA/GSFC: Preliminary Results from GEM-T3 and GEM-T3S,” EOS Transactions, American Geophysical Union, Vol. 72, No. 17, p. 89, April 1991.
17. Nerem, R. S., “An Improved Gravity Model for Venus using Tracking Data from the Pioneer Venus Orbiter,” EOS Transactions, American Geophysical Union, Vol. 72, No. 17, pp. 174-175, April 1991.
18. Nerem, R. S., C. J. Koblinsky, S. M. Klosko, and R. G. Williamson, “Determining Large-Scale Variations in Dynamic Topography using GEOSAT Altimetry,” XX General Assembly of the International Union of Geodesy and Geophysics, Union Abstracts, p. 142, Vienna Austria, August 1991.
19. Nerem, R. S., F. J. Lerch, R. G. Williamson, G. B. Patel, S. M. Klosko, J. C. Chan, and J. T. Rodell, “An Evaluation of the DORIS Tracking System on SPOT-2, proceedings of the International DORIS Orbit Computation Workshop,” F. Nouel, Editor, Toulouse, France, October, 1991.
20. Smith, D. E., R. Kolenkiewicz, R. S. Nerem, M. H. Torrence, J. W. Robbins, P. J. Dunn, R. G. Williamson, S. M. Klosko, E. C. Pavlis, S. K. Fricke, “Determination of Horizontal Velocities of Satellite Laser Tracking Sites from the SL8 LAGEOS Analysis,” EOS Transactions, AGU, Vol. 73, No. 14, p. 80, 1992.
21. Bills, B. G., H. Frey, W. Kiefer, R. S. Nerem, M. T. Zuber, “New Mars Global Free-Air and Bouguer Gravity Fields: Correlation with Topography and Physiography,” EOS Transactions, AGU, Vol. 73, No. 14, p. 83, 1992.
22. Smith, D. E., F. J. Lerch, R. S. Nerem, G. B. Patel, S. K. Fricke, “A High Resolution Gravity Model for Mars from Viking and Mariner Data,” EOS Transactions, AGU, Vol. 73, No. 14, p. 83, 1992. (invited)
23. Nerem, R. S., S. M. Klosko, R. G. Williamson, “Estimating the Dynamic Topography using ERS-1 Altimeter Data: Preliminary Results,” EOS Transactions, AGU, Vol. 73, No. 14, p. 85, 1992.
24. Nerem, R. S., “A High Resolution Gravity Model for Venus,” EOS Transactions, AGU, Vol. 73, No. 14, p. 83, 1992. (invited)
25. Nerem, R. S., J. A. Marshall, B. H. Putney, S. M. Klosko, R. G. Williamson, and N. P. Zelensky, “Precision Orbit Determination for Altimetric Satellites,” World Space Congress, COSPAR/IAF, Washington D. C., 1992.
26. Nerem, R. S., B. F. Chao, J. A. Marshall, N. K. Pavlis, J. C. Chan, A. Y. Au, S. M. Klosko, R. G. Williamson, “Temporal Variations of the Earth's Gravitational Field: Measurement and Geophysical Modeling,” EOS Transactions, AGU, Vol. 73, No. 43, p. 62, October 27, 1992.
27. Pavlis, N. K., J. C. Chan, S. M. Klosko, B. F. Chao, and R. S. Nerem, “Atmospheric Mass Redistribution and its Effects on the Earth's Gravitational Potential,” EOS Transactions, AGU, Vol. 73, No. 43, p. 62, October 27, 1992.
28. LaMance, J. W., G. H. Born, R. S. Nerem, J. A. Marshall, C. J. Koblinsky, S. M. Klosko, and N. K. Pavlis, “Estimation of Dynamic Topography from ERS-1 Altimetry and Laser Ranging Data,” EOS Transactions, AGU, Vol. 73, No. 43, p. 125, October 27, 1992.
29. Lerch, F. J., R. S. Nerem, B. H. Putney, D. E. Smith, E. C. Pavlis, S. M. Klosko, G. B. Patel, N. K. Pavlis, R. G. Williamson, B. D. Tapley, C. K. Shum, J. C. Ries, R. J. Eanes, M. M. Watkins, and B. E. Schutz, “Gravitational Modeling Improvement for TOPEX/Poseidon,” EOS Transactions, AGU, Vol. 73, No. 43, p. 125, October 27, 1992.
30. Putney, B. H., J. A. Marshall, R. S. Nerem, N. P. Zelensky, C. C. Johnson, S. M. Klosko, S. B. Luthcke, K. E. Rachlin, and R. G. Williamson, “Precision Orbit Determination for TOPEX/Poseidon,” EOS Transactions, AGU, Vol. 73, No. 43, p. 306, October 27, 1992.
31. Koblinsky, C. J., R. S. Nerem, S. M. Klosko, and R. G. Williamson, “A Preliminary Estimate of the Global Ocean Topography and Circulation Based Upon TOPEX/Poseidon Measurements,” EOS Transactions, AGU, Vol. 73, No. 43, p. 300, October 27, 1992.
32. Zuber, M. T., and R. S. Nerem, “The Shallow Internal Structure of Venus as Determined from Mechanical Models and Gravity and Topography Data,” EOS Transactions, AGU, Vol. 73, No. 43, p. 329, October 27, 1992. (invited)
33. Koblinsky, C. J., R. S. Nerem, R. G. Williamson, and S. M. Klosko, “Global Scale Variations in Sea Surface Topography Determined from Satellite Altimetry,” Sea Level Changes: Determination and Effects, AGU Geophysical Monograph 69, IUGG Vol. 11, pp. 155-165, P. Woodworth, Editor, 1992.
34. Koblinsky, C. J., R. S. Nerem, C. Gailliard, and J. LaMance, “A Preliminary Estimate of the Global Ocean Topography and Circulation from ERS-1 and TOPEX/Poseidon Measurements,” Annales Geophysicae, Vol. 11, Suppl. 1, p. 103, May 1993.
35. Nerem, R. S., B. F. Chao, J. C. Chan, S. M. Klosko, N. K. Pavlis, and R. G. Williamson, “Temporal Variations of the Earth's Gravitational Field: Measurement and Geophysical Modeling,” Annales Geophysicae, Vol. 11, Suppl. 1, p. 110, May 1993.
36. Pavlis, N. K., J. C. Chan, S. M. Klosko, J. A. Marshall, B. F. Chao, R. S. Nerem, “Temporal Variations of the Earth's Gravitational Potential due to Atmospheric and Oceanic Mass Redistribution,” Annales Geophysicae, Vol. 11, Suppl. 1, p. 110, May 1993.
37. Zelensky, N. P., S. M. Klosko, K. E. Rachlin, C. C. Johnson, T. A. Williams, S. B. Luthcke, B. H. Putney, R. S. Nerem, “Quality Assurance of the TOPEX/Poseidon Precise Orbit,” EOS Transactions, AGU, Vol. 74, No. 16, p. 95, April 20, 1993.
38. Lerch, F. J., R. S. Nerem, J. A. Marshall, B. H. Putney, E. C. Pavlis, S. M. Klosko, S. B. Luthcke, G. B. Patel, N. K. Pavlis, R. G. Williamson, J. C. Chan, B. D. Tapley, C. K. Shum, J. C. Ries, R. J. Eanes, M. M. Watkins, B. E. Schutz, R. Biancale, and F. Nouel, “Gravity Model Improvement for TOPEX/Poseidon,” EOS Transactions, AGU, Vol. 74, No. 16, p. 96, April 20, 1993.
39. Frey, H., J. Abshire, B. Bills, J. Connerney, B. Johnson, R. Langel, F. Lerch, S. Nerem, E. Pavlis, D. Skillman, D. Smith, P. Taylor, and C. Voorhies, “GAMES: A Gravity and Magnetics Experiment Satellite for Oceanography and Solid Earth Science,” EOS Transactions, AGU, Vol. 74, No. 16, p. 97, April 20, 1993.
40. Smith, D. E., R. Kolenkiewicz, R. S. Nerem, E. C. Pavlis, P. J. Dunn, M. H. Torrence, J. W. Robbins, S. M. Klosko, and R. G. Williamson, “The LAGEOS II Mission,” EOS Transactions, AGU, Vol. 74, No. 16, p. 98, April 20, 1993. (invited)
41. Nerem, R. S., D. E. Smith, S. M. Klosko, M. H. Torrence, and R. G. Williamson, “The Contribution of LAGEOS-2 to Geopotential Investigations,” EOS Transactions, AGU, Vol. 74, No. 16, p. 98, April 20, 1993. (invited)
42. Koblinsky, C. J., R. S. Nerem, S. M. Klosko, N. K. Pavlis, L. Tsaoussi, R. G. Williamson, and C. Gailliard, “Preliminary Estimates of Global Ocean Topography from TOPEX/Poseidon Altimeter Data,” EOS Transactions, AGU, Vol. 74, No. 16, p. 101, April 20, 1993.
43. Cunningham, W. J., S. B. Luthcke, S. M. Klosko, R. S. Nerem, A. E. Hedin, “Improvement of the MSIS86 Model Using Medium Altitude Satellite Tracking Data,”EOS Transactions, AGU, Vol. 74, No. 16, p. 102, April 20, 1993.
44. Nerem, R. S., B. F. Chao, S. M. Klosko, N. K. Pavlis, R. G. Williamson, and J. C. Chan, “Temporal Variations of the Earth's Gravitational Field from Satellite Laser Ranging,” EOS Transactions, AGU, Vol. 74, No. 16, p. 95, April 20, 1993.
45. Klosko, S. M., R. S. Nerem, N. K. Pavlis, and R. G. Williamson, “Long Wavelength Atmospheric Tides from SLR Data,” EOS Transactions, AGU, Vol. 74, No. 43, p. 196, October 26, 1993.
46. Nerem, R. S., “Gravity Model Determination from Satellite Data: Current Status and Future Developments,” EOS Transactions, AGU, Vol. 74, No. 43, pp. 64-65, October 26, 1993. (invited)
47. Putney, B. H., R. S. Nerem, J. A. Marshall, F. J. Lerch, N. P. Zelensky, S. M. Klosko, K. E. Rachlin, C. C. Johnson, T. A. Williams, D. S. Chinn, S. B. Luthcke, and R. G. Williamson, “TOPEX/Poseidon Precise Orbits - One Year Later,” EOS Transactions, AGU, Vol. 74, No. 43, p. 184, October 26, 1993.
48. Zelensky, N. P., S. M. Klosko, K. E. Rachlin, C. C. Johnson, T. A. Williams, D. S. Chinn, S. B. Luthcke, R. G. Williamson, B. H. Putney, R. S. Nerem, J. A. Marshall, F. J. Lerch, “TOPEX/Poseidon Precise Orbit Accuracy Assessment,” EOS Transactions, AGU, Vol. 74, No. 43, p. 184, October 26, 1993.
49. Haines, B. J., E. J. Christensen, R. S. Nerem, and G. W. Rosborough, “Observing Geographically Correlated Errors in the Orbit of TOPEX/Poseidon Using GPS,” EOS Transactions, AGU, Vol. 74, No. 43, p. 184, October 26, 1993.
50. Cunningham, W. J., S. B. Luthcke, S. M. Klosko, and R. S. Nerem, “Improvement of the MSIS86 Thermospheric Temperature and Density Model for Precise Orbit Determination Applications,” EOS Transactions, AGU, Vol. 74, No. 43, p. 185, October 26, 1993.
51. Nerem, R. S., C. J. Koblinsky, B. D. Beckley, S. M. Klosko, N. K. Pavlis, L. Tsaoussi, R. G. Williamson, C. Boone, and E. J. O. Schrama, “An Estimate of Global Ocean Topography and Circulation with Tidal Corrections,” EOS Transactions, AGU, Vol. 74, No. 43, p. 187, October 26, 1993.
52. Nerem, R. S., “Temporal Variations of the Earth's Gravitational Field,” Physics News in 1993, American Institute of Physics, pp. 35-36, December 15, 1993.
53. Lerch, F. J., R. S. Nerem, B. H. Putney, S. M. Klosko, G. B. Patel, R. G. Williamson, H. B. Iz, J. C. Chan, and E. C. Pavlis, “Improvments in the Accuracy of Goddard Earth Models (GEM),” Contribution of Space Geodesy to Geodynamics: Earth Dynamics, Geodynamic Series Volume 24, D. E. Smith and D. L. Turcotte, Eds., pp. 191-212, 1993.
54. Nerem, R. S., F. J. Lerch, B. H. Putney, S. M. Klosko, R. G. Williamson, G. B. Patel, and E. C. Pavlis, “Long Wavelength Geopotential and Tidal Modeling for Geodynamics and Ocean Dynamics: GEM-T3 and GEM-T3S,” Gravimetry and Space Techniques Applied to Geodynamics and Ocean Dynamics, B. Schutz, A. Anderson, C. Froidevaux, and M. Parke, Editors, AGU Geophysical Monograph 82, IUGG Volume 17, pp. 9-19, 1994.
55. Nerem, R. S., C. J. Koblinsky, B. D. Beckley, S. M. Klosko, N. K. Pavlis, R. G. Williamson, and E. J. Schrama, “Results from an Analysis of the First Year and a Half of TOPEX/Poseidon Altimeter Data,” Annales Geophysicae, Vol. 12, Suppl. 1, p. C181, 1994.