Oregon State University

College of Earth, Ocean, and Atmospheric Sciences

Directory of People

Michael Freilich

Michael Freilich photo
Courtesy Faculty - Earth Science Division Director, Science Mission Directorate, NASA
Discipline: Physics of Oceans and Atmospheres
Email: mhf@nasa.gov
Website

Current Research

Microwave ocean remote sensing, especially surface wind measurement and analysis techniques; surface wave modeling; nearshore processes.

Education

B.S., Haverford College (Physics, Chemistry), 1975
Ph.D., Scripps Institution of Oceanography, Univ. of California at San Diego (Oceanography), 1982

Publications

Freilich, M.H., B.A. Vanhoff, D.G. Long, and R.S. Dunbar, 2004: A multi-satellite case study of winds and clouds near South Georgia Island. Mon. Wea. Rev., submitted.

Chelton, D.B. and M.H. Freilich, 2004: Scatterometer-based assessment of 10-m wind analyses from the operational ECMWF and NCEP numerical weather prediction models. Mon. Wea. Rev., submitted.

Chelton, D.B., M.G. Schlax, M.H. Freilich, and R.F. Milliff, 2004: Satellite Measurements Reveal Persistent Short-Scale Features in Ocean Winds. Science, 303, Issue 5660, 978-983.

Milliff, R.F., J. Morzel, D.B. Chelton, and M.H. Freilich, 2004: Wind Stress Curl and Wind Stress Divergence Biases from Rain Effects on QSCAT Surface Wind Retrievals. J. Atmos. Ocean. Tech. (in press)

Chickadel, C.C., R.A. Holman, and M.H. Freilich, 2003: An optical technique for the measurement of longshore currents. J. Geophys. Res., 108(C11), 3364, doi:10.1029/2003JC001774.

Freilich, M.H. and B.A. Vanhoff, 2003: The relationship between winds, surface roughness, and radar backscatter at low incidence angles from TRMM Precipitation Radar measurements. J. Atmos. Ocean. Tech., 20, 549-562.

Milliff, R.F., M.H. Freilich, W.T. Liu, R. Atlas, and W.G. Large, 2001: Global ocean surface vector wind observations from space. In Observing the Oceans in the 21st Century, C.J. Koblinsky and N.R. Smith (Eds), 102-119.

Chelton, D.B., S.K. Esbensen, M.G. Schlax, N. Thum, M.H. Freilich, F.J. Wentz, C.L. Gentemann, M.J. McPhaden, and P.S. Schopf, 2001: Observations of coupling between surface wind stress and sea surface temperature in the eastern tropical Pacific. J. Clim., 14, 1479 – 1498.

Schlax, M.G., D.B. Chelton, and M.H. Freilich, 2001: Sampling errors in wind fields constructed from single and tandem scatterometer data sets. J. Atmos. and Ocean. Tech., 18, 1014 – 1036.

Freilich, M.H. and B.A. Vanhoff, 2001: The accuracy of remotely sensed surface wind speed measurements. J. Atmos. and Ocean. Tech. (accepted).

Plant, N.G., M.H. Freilich, and R.A. Holman, 2000: The role of morphologic feedback in surf zone sandbar response. J. Geophys. Res. 106, 973-990.

Chelton, D.B., M.H. Freilich, and S.K. Esbensen, 2000a: Satellite observations of the wind jets off Central America, Part I: Case studies and statistical characteristics. Mon. Wea. Rev. 128, 1993-2018.

Chelton, D.B., M.H. Freilich, and S.K. Esbensen, 2000b: Satellite observations of the wind jets off Central America, Part II: Regional relationships and dynamical considerations. Mon. Wea. Rev. 128, 2019-2043.

Letelier, R. M. ; D. M. Karl, M.R. Abbott, P. Flament, M.H. Freilich, R. Lukas, P.T. Strub, 2000: The role of late winter mesoscale events in the biogeochemical variability of the upper water column of the North Pacific Subtropical Gyre. J. Geophys. Res., 105, 28,723 – 28,739.

Plant, N.G., R.A. Holman, M.H. Freilich, and W.A. Birkemeier 1999: A simple model for interannual sand bar behavior. J. Geophys. Res., 104, 15,755-15,776.

Tsai, W-Y., J.E. Graf, C. Winn, J.N. Huddleston, R.S. Dunbar, M.H. Freilich, F.J. Wentz, D.G. Long, and W. L. Jones, 1999: Postlaunch sensor verification and calibration of the NASA scatterometer. IEEE Trans. Geosci. Rem. Sens., 37, 1517-1542.

Freilich, M.H. and R.S. Dunbar, 1999: The accuracy of the NSCAT-1 vector winds: comparisons with NDBC buoys. J. Geophys. Res., 104, 11,231-11,246.

Freilich, M.H., H. Qi, and R.S. Dunbar, 1999: Scatterometer beam-balancing using open- ocean backscatter measurements. J. Atmos. and Ocean. Tech., 16, 283-297.

Halpern, D., M.H. Freilich, and R.A. Weller, 1999: ECMWF and ERS-1 surface winds over the Arabian Sea during July 1995. J. Phys. Oceanogr., 29, 1619-1623.

Halpern, D., M.H. Freilich, and R.A. Weller, 1998: Arabian Sea surface winds and ocean transports determined from ERS-1 scatterometer. J. Geophys. Res., 103, 7799-7805.

Bourassa, M.A., M. H. Freilich, D.M. Legler, W.T. Liu, and J.J. O'Brien, 1997: Wind observations from new satellite and research vessels agree. EOS Trans. Am. Geophys. Union, 78, 597, 602.

Freilich, M.H., 1997: Validation of vector magnitude data sets: Effects of random component errors. J. Atmos. and Ocean. Tech., 14, 695-703.

Freilich, M.H., 1996: SeaWinds Algorithm Theoretical Basis Document (peer reviewed, published electronically: http://eospso.gsfc.nasa.gov/atbd/seawindstables.html), 43pp.

Freilich, M.H. and P.G. Challenor, 1994: A new approach for determining fully empirical altimeter wind speed model functions. J. Geophys. Res., 99, 25,051-25,062.

Mestas-Nunez, A.M., D.B. Chelton, M.H. Freilich, and J.G. Richman, 1994: An evaluation of ECMWF-based climatological wind stress fields. J. Phys. Oceanogr., 24, 1532-11549.

Elgar, S.L., R.T. Guza, and M.H. Freilich, 1993: Observations of nonlinear interactions in directionally spread shoaling surface gravity waves. J. Geophys. Res., 98, 20,299-20,305.

Freilich, M.H. and R.S. Dunbar, 1993: Derivation of satellite wind model functions using operational surface wind analyses: An altimeter example. J. Geophys. Res., 98, 14,633-14,649.

Elgar, S.L., R.T. Guza, and M.H. Freilich, 1993: Dispersion, nonlinearity, and viscosity in shallow-water waves: Model results and laboratory comparisons. ASCE J. Waterways, Port, Coastal, Ocean Engr., 119, 351-366.

Abbott, M.R. and M.H. Freilich, 1992: Report of the EOS Oceans Panel to the Payload Panel. Global and Planetary Change, 98, 25-28.

Elgar, S.L., R.T. Guza, M.H. Freilich, and M.J. Briggs, 1992: Laboratory simulations of directionally spread shoaling waves. ASCE J. Waterways, Port, Coastal, Ocean Engr., 118, 87-103.

Naderi, F.M., M.H. Freilich, and D.G. Long, 1991: Spaceborne radar measurement of wind velocity over the ocean -- An overview of the NSCAT scatterometer system. Proc. IEEE, 79, 850-866.

Freilich, M.H., R.T. Guza, and S.L. Elgar, 1990: Observations of nonlinear effects in directional spectra of shoaling gravity waves. J. Geophys. Res., 95, 9645-9656.

Chelton, D.B., A.M. Mestas-Nunez, and M.H. Freilich, 1990: Global wind stress, wind stress curl and Sverdrup circulation from the Seasat scatterometer. J. Phys. Oceanogr., 20, 1175-1205.

Elgar, S.L., M.H. Freilich, and R.T. Guza, 1990: Model-data comparisons of moments of nonbreaking shoaling surface gravity waves. J. Geophys. Res., 95, 16,055-16,063.

Elgar, S.L., M.H. Freilich, and R.T. Guza, 1990: Recurrence in truncated Boussinesq models for nonlinear waves in shallow water. J. Geophys. Res., 95, 11,547-11,556.

Chelton, D.B., M.H. Freilich, and J.R. Johnson, 1989: Evaluation of unambiguous vector winds from the Seasat scatterometer. J. Atmos. Oceanic Technol., 6, 1024-1039.

Elgar, S.L., R.T. Guza, and M.H. Freilich, 1988: Eulerian measurements of horizontal accelerations in shoaling gravity waves. J. Geophys. Res., 93, 9261-9269.

Freilich, M.H. and S.S. Pawka, 1987: Statistics of Sxy estimates. J. Phys. Oceanogr., 17, 1786-1797.

Freilich, M.H. and D.B. Chelton, 1986: Wavenumber spectra of Pacific winds measured by the Seasat scatterometer. J. Phys. Oceanogr., 16, 741-757.

Freilich, M.H. and R.T. Guza, 1984: Nonlinear effects on shoaling surface gravity waves. Phil. Trans Roy. Soc. London A, 311, 1-41.

Flick, R.E., R.L. Lowe, M.H. Freilich, and J.C. Boylls, 1979: Coastal and laboratory wavestaff system. IEEE Oceans, 79, 623-625.

Gollub, J.P. and M.H. Freilich, 1976: Optical heterodyne test of perturbation expansions for the Taylor instability. Phys. Fluids, 19, 618-626.

Gollub, J.P. and M.H. Freilich, 1975: Critical exponents and generalized potential for the Taylor instability. In Fluctuations, Instabilities, and Phase Transitions, T. Riste, ed., 195-204.

Gollub, J.P. and M.H. Freilich, 1974: Optical heterodyne study of the Taylor instability in a rotating fluid. Phys. Rev. Let., 33, 1465-1468.