Evolution of the N2 frost distribution on Triton during thousands of terrestrial years

Details Evolution of the N2 frost distribution on Triton during thousands of terrestrial years Evolution of the N2 frost distribution on Triton during thousands of terrestrial years

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1164v&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1164

Computer Science

Scientific paper

Previously, we have built a 3D model of Triton's atmosphere [11]. This GCM based on a high thermal inertia of the substrate material [9] and the presence of a polar cap in the South and an unfrosted equatorial band [7], manages to reconcile the different observations of Voyager 2 : retrograde surface winds, prograde winds at 8 km, temperature profiles... This elevated thermal inertia allows to keep the heat of the equatorial band during a sufficiently long time and to introduce a phase lag into the seasonal cycle. On the basis of this 3D model, we have built a 2D model which predicts the evolution of the distribution of Triton's N2 frost over thousands of years. These results are compared with observations and former models[5,6].

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