Saturn'S Cloud Structure Inferred From Cassini Iss

dc.contributor.authorRoman, Michaelen_US
dc.contributor.chairGierasch, Peter Jayen_US
dc.contributor.committeeMemberVeverka, Joseph Franken_US
dc.contributor.committeeMemberHess, Peter George Muelleren_US
dc.contributor.committeeMemberBanfield, Donald Jen_US
dc.description.abstractUsing high-resolution Cassini ISS images with wavelengths ranging from the ultraviolet to the near infrared, we have retrieved Saturn's atmospheric aerosol structure and properties for a broad range of latitudes in the southern hemisphere. The observations are consistent with two distinct layers of haze. Each layer is characterized by a vertical location, an optical depth, and a mean particle size, all of which vary with latitude. The tropospheric haze is optically thickest and extends to the greatest heights (~40 mbar) over the equator; its top surface is at significantly greater depths (~150 mbar ) at mid-latitudes. The height of the haze correlates well with position of the tropopause as indicated by the temperature field. Beneath this haze, we find a scattered denser cloud responsible for small-scale contrasts at an average depth of 1.75 ± 0.4 bar, with some features deeper than 2.5 bar.en_US
dc.identifier.otherbibid: 8251357
dc.subjectSaturns Atmosphereen_US
dc.subjectVertical Structureen_US
dc.subjectClouds and Hazeen_US
dc.titleSaturn'S Cloud Structure Inferred From Cassini Issen_US
dc.typedissertation or thesisen_US Science Universityen_US of Science, Atmospheric Science


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