Rossby solitons in the laboratory

Details Rossby solitons in the laboratory Rossby solitons in the laboratory

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982zhetf..82..145a&link_type=abstract

Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki, vol. 82, Jan. 1982, p. 145-160. In Russian.

Physics

29

Environment Simulation, Planetary Waves, Rossby Regimes, Solitary Waves, Laboratory Equipment, Thin Films, Vortices, Wave Propagation

Scientific paper

Laboratory experiments on the generation of Rossby solitons are described. These solitons are observed in a thin layer of rotating liquid and are found to be long-lived local vortices (anticyclones) which do not smear out. Geostrophic equilibrium is observed in the soliton, and its drift is opposite to the motion of the liquid as a whole. During its lifetime, the soliton drifts over a distance of about 10 times its diameter and does not smear out appreciably; in this respect it differs from a linear wave packet. A sharp asymmetry is observed when vortices of different signs exist; hence, a long-lived solitary cyclone does not exist. The present study lends support to the hypothesis that Jupiter's Red Spot is a Rossby soliton.

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