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Saltzman, Barry; Teweles, Sidney (2011)
Publisher: Co-Action Publishing
Journal: Tellus A
Languages: English
Types: Article
Subjects:
The transfers of kinetic energy between harmonic components of the 500 mb geostrophic flow over the Northern Hemisphere have been measured for an ensemble of daily maps covering a nine-year period, based on a truncation at zonal wave number, n = 15. The results show (1) that, in the mean, all waves (n = 1–15) transfer their energy to the zonally-averaged motion (n = 0) and, of more physical significance, the aggregate of all waves in the group n = 2–15 transfer energy to support the asymmetric polar vortex comprised of wave numbers zero and one, and (2) that, among the waves themselves, waves of n = 2 and 5–10 are sources of kinetic energy and all the rest are sinks. The energy source at n = 2 seems to be a significant new result indicating a strong forced conversion of energy on the scale of the major continents and oceans. Seasonal variations are discussed.DOI: 10.1111/j.2153-3490.1964.tb00180.x
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

    • FJBRTOFT, R., 1963, On the changes in the spectral distribution of kinetic energy for the two-dimensional, non-divergentflow. Tellzca, 5, pp. 226-230.
    • SALTZMANB, ., and FLEISHEAR.,, 1960a, Spectrum of kinetic energy transfer due to large-scale horizontal Reynolds stresses. Tellua, 12, pp. 110- 111.
    • SALTZMANB,., and FLEISHERA,., 1960b, The exchange of kinetic energy between larger scales of atmospheric motion. Tellua, 12, pp. 374-377.
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