The effect of surface roughness on Triton's volatile distribution

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7 Scopus citations


Calculations of radiative equilibrium temperatures on Triton's rough surface suggest that significant condensation of N2 may be occurring in the northern equatorial regions, despite their relatively dark appearance. The bright frost is not apparent in the Voyager images because it tends to be concentrated in relatively unilluminated facets of the surface. This patchwork of bright frost-covered regions and darker bare ground maybe distributed on scales smaller than that of the Voyager resolution; as a result the northern equatorial regions may appear relatively dark. This hypothesis also accounts for the observed wind direction in the southern hemisphere because it implies that the equatorial regions are warmer than the south polar regions.

Original languageEnglish (US)
Pages (from-to)1553-1555
Number of pages3
Issue number5051
StatePublished - 1992

ASJC Scopus subject areas

  • General


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