NASA Logo, GODDARD SPACE FLIGHT CENTER
Planetary Geodynamics Laboratory

Planetary Geodynamics Laboratory

picture of Braulio Valentin Sanchez

Braulio Valentin Sanchez

Planetary Geodynamics Laboratory
NASA/GSFC, Code 698

Greenbelt, MD 20771

Phone: (301) 614-6113

FAX: (301) 614-6522

Email: Braulio.V.Sanchez At nasa.gov

CURRENT POSITION

    Geophysicist, Planetary Geodynamics Laboratory

RESEARCH AREAS

    Planetary rotational dynamics and gravitational variations. Ocean tides and wind-driven circulation. Orbit determination and parameter estimation.

EDUCATION

    1968 - B.S. Aeronautical Engineering, Northrop Institute of Technology, Inglewood, California.
    1971 - M.S. Aerospace Engineering, Iowa State University, Ames , Iowa.
    1975 - Ph.D. Aerospace Engineering, University of Texas, Austin, Texas.
      [Thesis: Rotational Dynamics of Mathematical Models of the Nonrigid Earth.]
    1997-98: 18 credits towards Master of Science in Engineering Management, University of Maryland, College Park, MD.

PREVIOUS POSITIONS

    1969-1971 Teaching Assistant, Iowa State University, Ames, Iowa.
    1971-1974 Research Assistant, University of Texas, Austin, Texas.
    1974-1975 Assistant Professor, University of Texas, Austin, Texas.
    1975-1977 NRC Research Associate, NASA/GSFC, Greenbelt, MD.
    1977-1978 Senior Engineer, Jet Propulsion Laboratory, Pasadena, California.
    1987-1995 Principal Investigator, "Global Ocean Tide Mapping Using Topex Altimetry", TOPEX/POSEIDON Project, NASA/GSFC.

    SELECTED PUBLICATIONS

    2008 "Normal Modes of the Global Oceans - A Review", B.V. Sanchez, Marine Geodesy, 31(3), pp. 181-212, 2008. [link]

    2006 "Variations of Mars Gravitational Field Based on the NASA/Aames General CIrculation Model", B.V. Sanchez, D.D. Rowlands and R.M. Haberle, Journal of Geophysical Research, 111(E6), E06010, 2006. [link]

    2004 "Atmospheric Rotational Effects on Mars Based on the NASA Ames General Circulation Model: Angular momentum approach", B.V. Sanchez, R. M. Haberle and J. Schaeffer, Journal of Geophysical Research, 109, E08005, doi:10.1029/2004JE002254, 2004. [link]

    2003 "Atmospheric Rotational Effects on Mars Based on the NASA Ames General Circulation Model", B.V. Sanchez, D. D. Rowlands, R. M. Haberle and J. Schaeffer, Journal of Geophysical Research, 108(E5), 5040, doi:10.1029/2002JE001984, 2003. [link]

    2002 "Oceanic Torques on Solid Earth and their Effects on Earth Rotation", M. Fujita, B. Chao, B.V. Sanchez and T. Johnson, Journal of Geophysical Research, 107(B8). [link]

    1997 "The calculation of the dynamic sea surface topography and the associated flow field from altimetry data: A characteristic function method", B.V. Sanchez, W. Cunningham and N. Pavlis, Journal of Physical Oceanography, 27(7), July 1997. [link]

    1995 "Estimation of main tidal constituents from TOPEX altimetry using a Proudman function expansion", B.V. Sanchez, N,K. Pavlis, Journal of Geophysical Research, 100(C12), pp. 25229-25248, December 15, 1995. [link]

    1994 "A Geopotential Model From Satellite Tracking, Altimeter and Surface Gravity Data - GEM-T3", F.J. Lerch, R.S. Nerem, B.H. Putney, T.L. Felsentreger, B.V. Sanchez, J.A. Marshall, S.M. Klosko, G.B. Patel, R.G. Williamson, D.S. Chinn, J.C. Chan, K.E. Rachlin, N.L. Chandler, J.J. McCarthy, S.B. Luthcke, N.K. Pavlis, D.E. Pavlis, J.W. Robbins, S. Kapoor, and E.C. Pavlis, Journal of Geophysical Research, 99(B2), pp. 2815-2839, 1994. [link]

    1991 "Proudman Functions and their application to tidal estimation in the World Ocean", B.V. Sanchez, Tidal Hydrodynamics, edited by Bruce B. Parker, copyright 1991 by John Wiley & Sons, Inc.

    1991 "The Determination of the Orbit of the Japanese Satellite "AJISAI" and assessment of the GEM-T1 and GEM-T2 gravity field models", B.V. Sanchez, Manuscripta Geodaetica, 16, pp. 191-204.

    1988 "A New Gravitational Model for the Earth From Satellite Tracking Data - GEM-T1", J.G. Marsh, F.J. Lerch, B.H. Putney, D.C. Christodoulidis, D.E. Smith, T.L. Felsentreger, B.V. Sanchez, S.M. Klosko, E.C. Pavlis, T.V. Martin, J.W. Robbins, R.G. Williamson, O.L. Colombo, D.D. Rowlands, W.F. Eddy, N.L. Chandler, K.E. Rachlin, G.B. Patel, S. Bhati, and D.S. Chinn, Journal of Geophysical Research, 93(B6), pp. 6169-6215, 1988. [link]

    1988 "Tidal Estimation in the Pacific with Application to SEASAT Altimetry", B.V. Sanchez and D.E. Cartwright, Marine Geodesy, 12, pp. 81-115, 1988. [link]

    1986 "Tidal Estimation in the Atlantic and Indian Oceans", B.V. Sanchez, D.B. Rao, and S.D. Steenrod, Marine Geodesy, 10(3-4), pp. 309-350, 1986. [link]

    1985 "An Objective Analysis Technique for Extrapolating Tidal Fields in a Closed Basin," B.V. Sanchez, D.B. Rao and P.G. Wolfson, Marine Geodesy, 9(1), pp. 71-91, 1985. [link]

First Gov . gov NASA Logo - nasa.gov