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The rate of granule ripple movement on Earth and Mars

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dc.contributor.author Zimbelman, James R. en
dc.contributor.author Irwin, Rossman P., III en
dc.contributor.author Williams, Steven H. en
dc.contributor.author Bunch, Fred en
dc.contributor.author Valdez, Andrew en
dc.contributor.author Stevens, Scott en
dc.date.accessioned 2009-09-04T18:12:59Z
dc.date.available 2009-09-04T18:12:59Z
dc.date.issued 2009
dc.identifier.citation Zimbelman, James R., Irwin, Rossman P., III, Williams, Steven H., Bunch, Fred, Valdez, Andrew, and Stevens, Scott. 2009. "<a href="https://repository.si.edu/handle/10088/8076">The rate of granule ripple movement on Earth and Mars</a>." <em>Icarus</em>. 203 (1):71&ndash;76. <a href="https://doi.org/10.1016/j.icarus.2009.03.033">https://doi.org/10.1016/j.icarus.2009.03.033</a> en
dc.identifier.issn 0019-1035
dc.identifier.uri http://hdl.handle.net/10088/8076
dc.description.abstract The rate of movement for 3- and 10-cm-high granule ripples was documented in September of 2006 at Great Sand Dunes National Park and Preserve during a particularly strong wind event. Impact creep induced by saltating sand caused ~24 granules min-1 to cross each cm of crest length during wind that averaged ~9 m s-1 (at a height well above 1 m), which is substantially larger than the threshold for saltation of sand. Extension of this documented granule movement rate to Mars suggests that a 25-cm-high granule ripple should require from hundreds to thousands of Earth-years to move 1 cm under present atmospheric conditions. en
dc.format.extent 542834 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.relation.ispartof Icarus en
dc.title The rate of granule ripple movement on Earth and Mars en
dc.type Journal Article en
dc.identifier.srbnumber 79923
dc.identifier.doi 10.1016/j.icarus.2009.03.033
rft.jtitle Icarus
rft.volume 203
rft.issue 1
rft.spage 71
rft.epage 76
dc.description.SIUnit NASM en
dc.description.SIUnit NASM-CEPS en
dc.citation.spage 71
dc.citation.epage 76

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