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Surface and Airborne Evidence for Plumes and Winds on Triton

Hansen, C. J. and McEwen, A. S. and Ingersoll, A. P. and Terrile, R. J. (1990) Surface and Airborne Evidence for Plumes and Winds on Triton. Science, 250 (4979). pp. 421-424. ISSN 0036-8075. https://resolver.caltech.edu/CaltechAUTHORS:20130227-110945490

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Abstract

Aeolian features on Triton that were imaged during the Voyager Mission have been grouped. The term "aeolian feature" is broadly defined as features produced by or blown by the wind, including surface and airborne materials. Observations of the latitudinal distributions of the features probably associated with current activity (known plumes, crescent streaks, fixed terminator clouds, and limb haze with overshoot) all occur from latitude -37° to latitude -62°. Likely indicators of previous activity (dark surface streaks) occur from latitude -5° to -70°, but are most abundant from -15° to -45°, generally north of currently active features. Those indicators which give information on wind direction and speed have been measured. Wind direction is a function of altitude. The predominant direction of the surface wind streaks is found to be between 40° and 80° measured clockwise from north. The average orientation of streaks in the northeast quadrant is 59°. Winds at 1- to 3- kilometer altitude are eastward, while those at >8 kilometers blow west.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.250.4979.421 DOIArticle
http://www.sciencemag.org/content/250/4979/421PublisherArticle
ORCID:
AuthorORCID
Ingersoll, A. P.0000-0002-2035-9198
Additional Information:© 1990 American Association for the Advancement of Science. Received 9 August 1990; accepted 24 September 1990. This research was carried out by the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. The authors thank the Voyager Flight Team for their careful implementation of a complicated imaging observation.
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NASAUNSPECIFIED
Issue or Number:4979
Record Number:CaltechAUTHORS:20130227-110945490
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130227-110945490
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:37177
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:28 Feb 2013 15:53
Last Modified:03 Oct 2019 04:45

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