期刊
PLANETARY AND SPACE SCIENCE
卷 58, 期 4, 页码 724-731出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pss.2009.05.012
关键词
Titan; Lakes; Playa; Racetrack; Meteorology; Geomorphology
资金
- Cassini program
- NASA Applied Information Systems Research program
- Geological Society of America
- University of Arizona
We note the geomorphological and meteorological processes at Racetrack Playa, Death Valley National Park, as analogs for those at Ontario Lacus on Titan. Although Ontario is similar to 50 x larger, the planforms of the two features are nearly identical, both are extremely flat, and are in environments where infrequent rainfall occurs against a climate, where evaporation exceeds precipitation. While the famous moving rocks on the Racetrack Playa may be exceptional on the Earth, the lower gravity and thicker atmosphere may render wind-induced rock transport comparatively common on Titan. Nearby Bonnie Claire Playa also provides field insights into the interpretation of remote sensing data from Titan. (C) 2009 Elsevier Ltd. All rights reserved.
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