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Wind streaks on Mars: Comparisons of production models with observations of bright streaksTo investigate the influence of crater size on martian wind streaks, the characteristics of bright streaks associated with craters ranging from approximately 100 m to 80 km in diameter were analyzed in several regions. The ratio of streak length to obstacle height (L/h) could be diagnostic of the relative effectiveness of different sized obstacles in disturbing near surface atmospheric flow; since the crater rim height to diameter relationship has not previously been determined for Mars, the rim heights of numerous craters were estimated from shadow measurements. In all areas studied, bright streak L/h values decrease with increasing h, indicating that smaller obstacles produce longer streaks relative to their height than do larger obstacles. Several models of bright streak production are used to explain this behavior are discussed.
Document ID
19840015418
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Lee, S. W.
(Cornell Univ. Ithaca, NY, United States)
Date Acquired
August 12, 2013
Publication Date
April 1, 1984
Publication Information
Publication: NASA. Washington Rept. of Planetary Geol. Program, 1983
Subject Category
Lunar And Planetary Exploration
Accession Number
84N23486
Funding Number(s)
CONTRACT_GRANT: NSG-7546
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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