The Kinetic Energy of Large-Scale Atmospheric Motion in Wavenumber-Frequency Space: III. The Tropics
- 1 March 1973
- journal article
- Published by American Meteorological Society in Journal of the Atmospheric Sciences
- Vol. 30 (2) , 308-312
- https://doi.org/10.1175/1520-0469(1973)030<0308:tkeols>2.0.co;2
Abstract
The wavenumber-frequency spectra of the kinetic energy of the zonal and meridional components of the motion at 200- and 500-mb levels in the tropics show that there exists a band of wave activities which is oriented from a region of low wavenumber, and frequencies to a region of high wavenumbers and low frequencies. This orientation is distinctly different from what is found at higher latitudes where the band extends from a region of low wavenumbers and frequencies to a region of high wavenumbers and negative frequencies. Abstract The wavenumber-frequency spectra of the kinetic energy of the zonal and meridional components of the motion at 200- and 500-mb levels in the tropics show that there exists a band of wave activities which is oriented from a region of low wavenumber, and frequencies to a region of high wavenumbers and low frequencies. This orientation is distinctly different from what is found at higher latitudes where the band extends from a region of low wavenumbers and frequencies to a region of high wavenumbers and negative frequencies.Keywords
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