Jeffrey J. Early

Oregon State University, Corvallis, Oregon, United States

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Publications (3)37.71 Total impact

  • Jeffrey J. Early
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    ABSTRACT: By starting with a free particle and successively adding constraints, it is shown that the free motion of a particle constrained to the Earth's surface is inertial, despite statements in the literature to the contrary, and that an observer on this particle would not measure a force tangent to the Earth's surface. However, if the observer extended his measurements to include the direction normal to the Earth's surface then he would detect an oscillating force. Copyright © 2012 Royal Meteorological Society
    Quarterly Journal of the Royal Meteorological Society 10/2012; 138(668). · 3.33 Impact Factor
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    ABSTRACT: Oceanic Rossby waves have been widely invoked as a mechanism for large-scale variability of chlorophyll (CHL) observed from satellites. High-resolution satellite altimeter measurements have recently revealed that sea-surface height (SSH) features previously interpreted as linear Rossby waves are nonlinear mesoscale coherent structures (referred to here as eddies). We analyze 10 years of measurements of these SSH fields and concurrent satellite measurements of upper-ocean CHL to show that these eddies exert a strong influence on the CHL field, thus requiring reassessment of the mechanism for the observed covariability of SSH and CHL. On time scales longer than 2 to 3 weeks, the dominant mechanism is shown to be eddy-induced horizontal advection of CHL by the rotational velocities of the eddies.
    Science 09/2011; 334(6054):328-32. · 31.20 Impact Factor
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    Jeffrey J. Early, R. ~M. Samelson, Dudley B. Chelton
    Journal of Physical Oceanography 01/2011; · 3.18 Impact Factor