Oregon State University

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Dudley B. Chelton

Dudley Chelton photo
Professor Emeritus

Discipline: Physics of Oceans and Atmospheres
Office: Burt 416
Phone: 541-737-4017
Fax: 541-737-2064
Email: chelton@coas.oregonstate.edu
Website
Vita or Résumé

Research Interests

Mesoscale oceanic eddies; large-scale, low-frequency variability of ocean circulation; coupled ocean-atmosphere variability; satellite microwave radar remote sensing; development of techniques for improving and quantifying signal-to-noise ratio in oceanographic measurements.

Current Research

Investigation of large-scale geophysical wave dynamics, air-sea interaction, wind-forced ocean circulation and mesoscale variability from satellite radar scatterometer measurements of wind stress, altimeter measurements of sea surface height and passive microwave radiometer measurements of sea surface temperature.

Education

BA, University of Colorado (Physics), 1974
PhD, Scripps Institution of Oceanography (Oceanography), 1980

Publications

(Selected publications since 1996)

Global observations of oceanic Rossby waves. Science, 272, 234-238, 1996. (Chelton, D.B., and M.G. Schlax.)

The speed of observed and theoretical long extra tropical planetary waves. J. Phys. Oceanogr., 27, 1946-1966, 1997. (Killsworth P.D., D.B. Chelton, and R.A. deSzoeke.)

Geophysical variability of the first baroclinic Rossby radius of deformation. J. Phys. Oceanogr., 28, 433-460, 1998. (Chelton, D.B., R.A. deSzoeke, M.G. Schlax, K. El Nagger and N. Siwertz.)

Satellite microwave SST observations of transequatorial tropical instability waves. Geophys. Res. Lett., 27, 1239-1242, 2000. (Chelton, D. B., F. J. Wentz, C. L. Gentemann, R. A. de Szoeke and M. G. Schlax.)

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

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

Observations of coupling between surface wind stress and sea surface temperature in the eastern Tropical Pacific. J. Climate, 14, 1479-1498, 2001. (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.)

Sampling errors in wind fields constructed from single and tandem scatterometer datasets. J. Atmos. Oceanic Tech., 18, 1014-1036, 2001. (Schlax, M. G., D. B. Chelton and M. H. Freilich.)

Equatorially trapped Rossby waves in the presence of meridionally sheared baroclinic flow in the Pacific Ocean. Prog. Oceanogr., 56, 323-380, 2003. (Chelton, D. B., M. G. Schlax, J. M. Lyman, and G. C. Johnson.)

Observations of SST-induced perturbations of the wind stress field over the Southern Ocean on seasonal time scales. J. Climate, 16, 2340-2354, 2003. (O'Neill, L. W., D. B. Chelton and S. K. Esbensen.)

The accuracies of smoothed sea surface height fields constructed from tandem altimeter datasets. J. Atmos. Oceanic Technol., 20, 1276-1302, 2003. (Chelton, D. B., and M. G. Schlax.)

The accuracies of crossover and parallel-track estimates of geostrophic velocities from TOPEX/POSEIDON and Jason altimeter data. J. Atmos. Oceanic Technol., 20, 1196-1211, 2003. (Schlax, M. G., and D. B. Chelton.)

Satellite measurements reveal persistent small-scale features in ocean winds. Science, 303, 978-983, 2004. (Chelton, D. B., M. G. Schlax, M. H. Freilich and R. F. Milliff)

Scatterometer-based assessment of 10-m wind analyses from the operational ECMWF and NCEP numerical weather prediction models. Mon Wea. Rev., 133, 409-429, 2005 (Chelton, D. B., and M. H. Freilich)

The impact of SST specification on ECMWF surface wind stress fields in the eastern tropical Pacific. J. Climate, 18, 530-550, 2005. (Chelton, D. B.)

Tropical instability waves as a resonance between equatorial Rossby waves. J. Phys. Oceanogr., 35, 232-254, 2005. (Lyman, J. M., D. B. Chelton, R. A. de Szoeke and R. M. Samelson)

The effects of wind forcing and background mean currents on the latitudinal structure of equatorial Rossby waves. J. Phys. Oceanogr., 2005, 35, 666-682. (Perez, R. C., D. B. Chelton and R. N. Miller)

High-resolution satellite observations of SST modification of the marine atmospheric boundary layer over the Agulhas Return Current. J. Climate, 2005, 18, 2706-2723. (O'Neill, L. W., D. B. Chelton, S. K. Esbensen and F. J. Wentz)

Global high-resolution satellite observations of sea-surface temperature for numerical weather prediction and climate research. Bull. Amer. Meteor. Soc., 2005, 86, 1097-1115. (Chelton, D. B., and F. J. Wentz)

On the coupling of wind stress and sea surface temperature. J. Climate, 2006, 19, 1557-1566. (Samelson, R. M., E. D. Skyllingstad, D. B. Chelton, S. K. Esbensen, L. W. O'Neill, and N. Thum)

An assessment of the sea surface temperature influence on surface wind stress in numerical weather prediction and climate models. J. Climate, 2006, 19, 2743-2762. (Maloney, E. D., and D. B. Chelton)

On the use of QuikSCAT scatterometer measurements of surface winds for marine weather prediction. Mon. Wea. Rev., 2006, 134, 2055-2071. (Chelton, D. B., M. H. Freilich, J. M. Sienkiewicz, and J. M. Von Ahn)

A satellite-derived climatology of global ocean winds. Rem. Sens. Environ., 2006, 104, doi:10.1016/j.rse.2006.06.017. (Risien, C. M., and D. B. Chelton)

Summertime coupling between sea surface temperature and wind stress in the Californi Current System. J. Phys. Oceanogr., 2007, 37, 495-517. (Chelton, D. B., M. G. Schlax, and R. M. Samelson)

Global observations of large ocean eddies. Geophys. Res. Lett., 2007, 34, L15606, doi:10.1029/2007GL030812. (Chelton, D. B., M. G. Schlax, R. M. Samelson and R. A. de Szoeke)

Daily High-Resolution-Blended Analyses for Sea Surface Temperature. J. Climate, 2007, 20, 5473-5496. (Reynolds, R. W., T. M. Smith, C. Liu, D. B. Chelton, K. S. Smith, and M. G. Schlax)

Air-sea interaction from U.S. west coast summertime forecasts. J. Phys. Oceanogr., 2008, 38, 2414-2437. (Haack, T., D. Chelton, J. Pullen, J. Doyle, and M. Schlax)

Global climatology of wind stress and wind stress derivative fields from 7 years of QuikSCAT scatterometer data. J. Phys. Oceanogr., 2008, 38, 2379-2413. (Risien, C. M., and D. B. Chelton)

The influence of mesoscale eddies on the detection of quasi-zonal jets in the ocean. Geophys. Res. Lett., 2008, 35, L24602, doi:10.1029/2008GL035998. (Schlax, M. G., and D. B. Chelton)

Coupling between sea-surface temperature and and low-level winds in mesoscale numerical models. J. Climate, 2009, 22, 146-164. (Song, Q., D. B. Chelton, S. K. Esbensen, N. Thum, and L. W. O'Neill)

Frontal scale air-sea interaction in high-resolution coupled climate models. J. Climate, 2010, 23, 6277-6291. (Bryan, F., R. Thomas, J. Dennis, D. B. Chelton, N. G. Loeb, and J. L. McClean)

Coupled ocean-atmosphere interaction at oceanic mesoscales. Oceanography Magazine, 2010, 23, 52-69. (Chelton, D. B., and S.-P. Xie)

Eddy dynamics from satellite altimetry: progress and challenges. Oceanography Magazine, 2010, 23, 14-25. (Fu, L.-L., D. B. Chelton, P.-Y. Le Traon, and R. Morrow)

Global observations of nonlinear mesoscale eddies. Prog. Oceanogr., 2011, 91, 167-216. (Chelton, D. B., M. G. Schlax, and R. M. Samelson)

The evolution and propagation of quasigeostrophic ocean eddies. J. Phys. Oceanogr., 2011, 41, 1535-1555. (Early, J. J., R. M. Samelson, and D. B. Chelton)

The influence of nonlinear mesoscale eddies on near-surface chlorophyll. Science, 2011, 334, 328-332. (Chelton, D. B., P. Gaube, M. G. Schlax, J. J. Early, and R. M. Samelson)

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