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Record Details

Record 1 of 36003
How Altitude and Latitude Control Dune Morphometry on Titan
External Online Source: hdl:2014/43941
Author and Affiliation:
Le Gall, A.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Hayes, A.(California Inst. of Tech., Pasadena, CA, United States)
Ewing, R.(California Inst. of Tech., Pasadena, CA, United States)
Janssen, M. A.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Radebaugh, J.(Brigham Young Univ., Provo, UT, United States)
Savage, C.(Brigham Young Univ., Provo, UT, United States)
Encrenaz, P.(Observatoire de Paris, France)
Abstract: Dune fields are one of the dominant landforms and represent the largest known organic reservoir on Titan. SAR-derived topography show that Titan's dune terrains tend to occupy the lowest altitude areas in equatorial regions occurring at mean elevations between approx.-400 and ~0 m. In elevated dune terrains, there is a definite trend towards a smaller dune to interdune ratio, interpreted as due to limited sediment availability. A similar linear correlation is observed with latitude, suggesting that the quantity of windblown sand in the dune fields tends to decrease as one moves farther north. These findings place important constraints on Titan's geology and climate.
Publication Date: Oct 02, 2011
Document ID:
20150007012
(Acquired May 04, 2015)
Subject Category: ASTRONOMY
Document Type: Conference Paper
Meeting Information: EPSC-DPS Joint Meeting 2011; 2-7 Oct. 2011; Nantes; France
Meeting Sponsor: European Planetary Science Congress; Cascais, Portugal
American Astronomical Society; Div. of Planetary Sciences; Washington, DC, United States
Financial Sponsor: Jet Propulsion Lab., California Inst. of Tech.; Pasadena, CA, United States
Description: 3p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: TITAN; DUNES; TOPOGRAPHY; WIND EFFECTS; GEOLOGY; LATITUDE; ALTITUDE CONTROL; TERRAIN; SEDIMENTS
Other Descriptors: TITAN; DUNES; RADAR OBSERVATIONS; RADIO OBSERVATIONS
Availability Source: Other Sources
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