Physics
Scientific paper
Oct 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf..405g&link_type=abstract
EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.405
Physics
Scientific paper
The VIRTIS instrument onboard VEX observes Venus in two channels (visible and infrared) obtaining spectra and multi-wavelength images of the planet. Here we present a study of the variable morphology of the South Polar Vortex [1], both in the upper and lower cloud levels, and a dynamical study based on measurements of the wind field in the vortex retrieved from cloud tracking over an ample set of images and wavelengths sensitive to different altitude levels. We present results from day-side images of the vortex obtained at 380 nm and 980 nm, both sensitive to two altitude levels within the upper cloud (66-70 km), night-side images in the nearinfrared (1.74 μm) sensitive to the lower cloud (48 km), and from thermal infrared (3 - 5 μm) images sensitive to the cloud tops and able to study both the day and night-side of the planet [2]. We explore the different dynamics associated to the varying morphology of the vortex and the related time-scales.
Garate-Lopez I.
Hueso Ricardo
Sanchez-Lavega Agustín.
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