Stabilized Dunes on Titan as Indicators of Climate Change

Details Stabilized Dunes on Titan as Indicators of Climate Change Stabilized Dunes on Titan as Indicators of Climate Change

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1546r&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1546

Physics

Scientific paper

Dune-like landforms (DLLs) have been detected at Titan's mid-to-high latitudes (which we define as the latitude band 40°-60°), similar in morphology to equatorial radar-dark features generally assumed to be dunes. DLLs have radar backscatter similar to that of surrounding materials, and we propose they are dunes that were once active but are now immobilized by moisture or cementation. Orientations (from 0° N) of these features are consistent across hemispheres, 100°-130° in the north and 25°-70° in the south. If the landforms are stabilized dunes, they provide new values for atmospheric modelers and give evidence of changing wind or humidity conditions across Titan.

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