Physics
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3124702g&link_type=abstract
Geophysical Research Letters, Volume 31, Issue 24, CiteID L24702
Physics
7
Planetology: Solid Surface Planets: Atmospheres-Structure And Dynamics, Planetology: Solid Surface Planets: Erosion And Weathering, Planetology: Solid Surface Planets: Surface Materials And Properties, Planetology: Comets And Small Bodies: Dust, Planetology: Solar System Objects: Mars
Scientific paper
Active dust devils (atmospheric vortices with entrained dust) seen on Mars leave surface tracks inferred to result from the injection of loose particles into the atmosphere, typically exposing a darker (or, in some cases brighter) substrate. Hundreds of similar appearing surface tracks are common in many areas, but in the absence of imaging the active dust devils responsible for their formation, it has not been possible to determine the direction of forward motion of the vortex. Laboratory experiments simulating dust devils show that overlapping scallops in some tracks enable the direction of forward motion to be determined.
Greeley Ronald
Neakrase Lynn D. V.
Whelley Patrick L.
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