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On the origin of the tropical intraseasonal oscillationThis study provides an explanation for the origin of the tropical intraseasonal (40-50 day) oscillation (TIO) based on a simple generalization of Gill's linear analytic model for tropical large-scale heat-induced circulation. The solution contains a convective region that excites an eastward-moving Kelvin wave and a westward-moving Rossby wave. The entire system moves eastward as a response to the circulation it excites at a speed at which the latent heat energy in the tropics is best extracted. The TIO speed is a weighted mean of the speed of the Kelvin wave and that of the Rossby wave.
Document ID
19880023626
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Chao, Winston C.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 13, 2013
Publication Date
August 1, 1987
Publication Information
Publication: Journal of the Atmospheric Sciences
Volume: 44
ISSN: 0022-4928
Subject Category
Meteorology And Climatology
Report/Patent Number
ISSN: 0022-4928
Accession Number
88A10853
Distribution Limits
Public
Copyright
Other

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