Dynamical Mixing in the Jovian Upper Troposphere

Details Dynamical Mixing in the Jovian Upper Troposphere Dynamical Mixing in the Jovian Upper Troposphere

Publishing date

Jul 1997

URL

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997dps....29.2405a&link_type=abstract

Journals

American Astronomical Society, DPS meeting #29, #24.05; Bulletin of the American Astronomical Society, Vol. 29, p.1017

Science

Astronomy and Astrophysics

Field

Astronomy

Type

Scientific paper

Abstract

There is no known chemical source of phosphine in the Jovian upper troposphere. Its presence in the upper atmosphere therefore is the result of upward transport from the interior. The retrieval of the vertical profile of phosphine in the upper troposphere from ground-based submillimeter observations provides then an opportunity to derive the magnitude of dynamical mixing in this altitude range. Using the Caltech/JPL Jovian 1-D coupled chemistry/transport model, we find that the phosphine measurements provide evidence for rapid mixing at pressures greater than 330 mbar and a stagnant layer above. As the measurements are globally-averaged, the model simulation also is for the mean global atmosphere.

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