Year: 2018
Type: book-chapter
Abstract: This chapter reviews the state of our knowledge about Saturn’s polar atmosphere that has been revealed through Earth- and space-based observation as well as theoretical and numerical modeling. In particular, the Cassini mission to Saturn, which has been in orbit around the ringed planet since 2004, has revolutionized our understanding of the planet. The current review updates a previous review by Del Genio et al. ( 2009 ), written after Cassini’s primary mission phase that ended in 2008, by focusing on the north polar region of Saturn and comparing it to the southern high latitudes. Two prominent features in the northern high latitudes are the northern hexagon and the north polar vortex; we extensively review observational and theoretical investigations to date of both features. We also review the seasonal evolution of the polar regions using the observational data accumulated during the Cassini mission since 2004 (shortly after the northern winter solstice in 2002), through the equinox in 2009, and approaching the next solstice in 2017. We conclude the current review by listing unanswered questions and describing the observations of the polar regions planned for the Grand Finale phase of the Cassini mission between 2016 and 2017.
Institution: University of Wisconsin–Madison
Language: English
Topic: Astro and Planetary Science
Subfield: Space and Planetary Science
Field: Earth and Planetary Sciences
Domain: Physical Sciences
Open Access status: green
Awards: SATURN'S VISIBLE ATMOSPHERIC HAZE SHROUDS A COMPELLING ACTIVE ENVIRONMENT CONTAINING MULTIPLE JET STREAMS, THUNDERSTORMS, AND VORTICES, SIMILAR TO JU, G2350037829, WE PROPOSE TO STUDY JUPITER S ATMOSPHERIC DYNAMICS IN TWO OF THE LEAST-EXPLORED DOMAINS, THE WATER CLOUD BASE LAYER BELOW THE VISIBLE CLOUDS AND THE, Resolving Time-Dependent Atmospheric Dynamics on Jupiter and Saturn with Improved Planetary Cloud-Tracking Wind Measurement Methods, CLOUD-TRACKING WIND MEASUREMENT METHODS ARE THE UNIFYING FOCUS OF OUR PROPOSED PROJECT. ACCUMULATING RECORDS OF WIND MEASUREMENTS ON JUPITER AND SATU, G7935295735, G891563682
OpenAlex ID: W2529389663