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Zautner et al. 1986
Zautner, J.H., Whittaker, L.M. and Horn, L.H. (1986). Northern hemisphere kinetic energy during the first garp global experiment year. Journal of Geophysical Research 91: doi: 10.1029/JD091iD07p07809. issn: 0148-0227.

A comparison of the monthly vertically integrated northern hemisphere kinetic energy (in the isentropic domain) during the First GARP (Global Atmospheric Research Program) Global Experiment (FGGE) year with 5-year monthly means (isobaric domain) shows only small seasonal differences, which are probably related to the different domains. Ratios of monthly total kinetic energy to available potential energy yield similar results. Daily values of the zonal and eddy kinetic energy indicate that the first part of the FGGE year differed considerably from a 5-year mean in that the zonal kinetic energy was as large as the eddy component. Seasonal maps of the kinetic energy show anomalous winter and spring distributions, with the Atlantic and Pacific maxima equal in winter but with a near disappearance of the Atlantic maxium in spring. Similar differences are noted in cyclone activity. The transient kinetic energy plotted as a function of month and latitude appears to fit the normal pattern, but here longitudinal differences are obscured.

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Journal of Geophysical Research
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