Biology
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufm.p51a0203m&link_type=abstract
American Geophysical Union, Fall Meeting 2007, abstract #P51A-0203
Biology
5200 Planetary Sciences: Astrobiology, 5400 Planetary Sciences: Solid Surface Planets, 5700 Planetary Sciences: Fluid Planets, 6000 Planetary Sciences: Comets And Small Bodies, 6200 Planetary Sciences: Solar System Objects
Scientific paper
High resolution temperature maps of Jupiter's stratosphere, derived from observations made in late 2000 and early 2001 with the Composite Infrared Spectrometer (CIRS) onboard the Cassini spacecraft, revealed the existence of a 140 m/s zonal jet that is centered near 4 mbar. The existence of such an intense high-altitude jet was not previously known and its nature remains unclear. In order to explore the interplay that radiative and mechanical forcing mechanisms have on the onset of a jet like the one observed by Cassini, we use the EPIC general circulation model to perform spin-up experiments of Jupiter's stratosphere under the effect of different radiative and mechanical forcing terms. In our experiments we use radiative heating and cooling rates derived from measurements of temperature profiles, composition and aerosol distributions obtained from observations made with Galileo and Cassini. Different wave perturbations are used as mechanical forcing terms. We present the results of these experiments and analyze the effects that the different forcing terms have in the development of a jet like the one observed.
Dowling Timothy E.
Liang Manlai
Morales-Juberias Raúl
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