Computer Science
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991natur.354..380l&link_type=abstract
Nature (ISSN 0028-0836), vol. 354, Dec. 5, 1991, p. 380-382.
Computer Science
38
Equatorial Atmosphere, Jupiter Atmosphere, Stratosphere, Wave Propagation, Zonal Flow (Meteorology), Convective Flow, Momentum Transfer, Planetary Temperature
Scientific paper
Jupiter's 4-5 yr stratospheric equatorial temperature oscillation is compared here with two long-period oscillations of zonal winds in the earth's equatorial stratosphere, and it is proposed that the same mechanism - forcing by the stress of vertically propagating waves - responsible for the oscillations on both planets. Jupiter's temperature oscillation has been observed for slightly more than two cycles and closely resembles the temperature signatures of the earth's semiannual oscillation and quasi-biennial oscillation. If the mechanisms responsible for these oscillations are indeed similar, Jupiter's oscillation indicate that there is significant vertical momentum transport due to equatorially trapped atmospheric waves, and it may provide a means for probing the poorly understood process of the generation of these waves by convection.
Friedson Andrew James
Leovy Conway B.
Orton Glenn S.
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