Forme et formation d’une identité narrative
نویسندگان
چکیده
منابع مشابه
Dune formation under bimodal winds.
The study of dune morphology represents a valuable tool in the investigation of planetary wind systems--the primary factor controlling the dune shape is the wind directionality. However, our understanding of dune formation is still limited to the simplest situation of unidirectional winds: There is no model that solves the equations of sand transport under the most common situation of seasonall...
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We apply a model for sand dunes to calculate formation of dunes on Mars under the present Martian atmospheric conditions. We find that different dune shapes as those imaged by Mars Global Surveyor could have been formed by the action of sand-moving winds occurring on today's Mars. Our calculations show, however, that Martian dunes could be only formed due to the higher efficiency of Martian win...
متن کاملDune Widths in Titan’s Belet Sand Sea Reveal Patterns in Dune Formation and Stability
Introduction: Eolian dune fields found within Ti-tan's equatorial region between +30° latitude cover approximately 15-17% of the moon's surface [1]. These dominantly linear dunes are similar in form, size, and radar reflectivity to the large dunes of the Namib, Saharan, Saudi Arabian, and Australian deserts [2][3]. Earth analog studies indicate that the presence of linear dunes suggests adequat...
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ژورنال
عنوان ژورنال: Voix et Images
سال: 2008
ISSN: 1705-933X,0318-9201
DOI: 10.7202/017532ar