Search Results - "Fenton, L. K"

Global Surface Winds and Aeolian Sediment Pathways on Mars From the Morphology of Barchan Dunes by Rubanenko, L., Gunn, A., Pérez‐López, S., Fenton, L. K., Ewing, R. C., Soto, A., Lapôtre, M. G. A.

“…In the absence of consistent meteorological data on Mars, the morphology of dunes can be employed to study its atmosphere. Specifically, barchan dunes, which…”
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Ripple migration and dune activity on Mars: Evidence for dynamic wind processes by Silvestro, S., Fenton, L. K., Vaz, D. A., Bridges, N. T., Ori, G. G.

“…In this report we show evidence of widespread ripple migration over the stoss side of dark barchan dunes in Nili Patera on Mars. The measured average migration…”
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Active aeolian processes on Mars: A regional study in Arabia and Meridiani Terrae by Silvestro, S., Vaz, D. A., Fenton, L. K., Geissler, P. E.

“…We present evidence of widespread aeolian activity in the Arabia Terra/Meridiani region (Mars), where different kinds of aeolian modifications have been…”
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Field measurements of horizontal forward motion velocities of terrestrial dust devils: Towards a proxy for ambient winds on Mars and Earth by Balme, M.R., Pathare, A., Metzger, S.M., Towner, M.C., Lewis, S.R., Spiga, A., Fenton, L.K., Renno, N.O., Elliott, H.M., Saca, F.A., Michaels, T.I., Russell, P., Verdasca, J.

“…► We measured the speed dust devils (DDs) move across the ground on Earth. ► Long baseline stereo imaging allowed ground motion of >100 DDs to be measured. ►…”
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Investigating the Role of Amazonian Mesoscale Wind Patterns and Strength on the Spatial Distribution of Martian Bedrock Exposures by Gary‐Bicas, C. E., Michaels, T. I., Rogers, A. D., Fenton, L. K., Warner, N. H., Cowart, A. C.

“…The Martian highlands contain Noachian‐aged areally‐extensive (>225 km2) bedrock exposures that have been mapped using thermal and visible imaging datasets…”
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Topography and Stratigraphy of the Northern Martian Polar Layered Deposits Using Photoclinometry, Stereogrammetry, and MOLA Altimetry by Fenton, Lori K., Herkenhoff, Ken E.

“…We present two photoclinometric profiles across a trough in the martian northern polar layered terrain. Complications caused by albedo variations were avoided…”
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Aeolian processes in Proctor Crater on Mars: Sedimentary history as analyzed from multiple data sets by Fenton, Lori K., Bandfield, Joshua L., Ward, A. Wesley

“…Proctor Crater is a 150 km diameter crater in Noachis Terra, within the southern highlands of Mars. The analysis leading to the sedimentary history…”
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Martian surface winds: Insensitivity to orbital changes and implications for aeolian processes by Fenton, Lori K., Richardson, Mark I.

“…Aeolian features observed on the surface of Mars provide insight into current, and potentially past, surface wind systems. In some cases the features are…”
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Mars Global Digital Dune Database (MGD3): Global dune distribution and wind pattern observations by Hayward, R.K., Fenton, L.K., Titus, T.N.

“…•We look at global trends in martian dune fields.•Dunes are concentrated in ergs north of 70°N and in craters south of 40°S.•Dune types are similar to…”
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Comprehensive observations and geostatistics of slope streaks within the Olympus Mons aureole by Stillman, D.E., Hoover, R.H., Kaplan, H.H., Michaels, T.I., Fenton, L.K., Primm, K.M.

“…Slope streaks (SS) are enigmatic linear features characterized by relatively low-albedo features that appear and fade on high-albedo slopes on Mars. Despite…”
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Regolith migration on asteroid 101955 Bennu inferred from boulder alignment by Marshall, J.R., Beddingfield, C., Fenton, L.K., Walsh, K.J., Lauretta, D.S.

“…The alignment of elongated-boulder long axes was measured for the surface regolith of asteroid Bennu in order to quantify patterns of regolith fabric that…”
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Limitations of applying grain weight similitude in aeolian studies with NASA Mars Wind Tunnel by Marshall, J., Fenton, L.K., Harlow, J.J.B.

“…•Mathematical analysis shows error in Mars wind tunnel experiments.•Algebraic and numerical methods provide error evaluation of a NASA tunnel.•Weight, inertia,…”
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Interpretation of the complex dune morphology on Mars: dune activity, modelling and a terrestrial analogue by Silvestro, S., Fenton, L. K., Michaels, T. I., Valdez, A., Ori, G. G.

“…ABSTRACT In this work we analyze a dark erg on Mars that could be considered a mega‐dune (draa) where secondary dunes of different morphology are superposed…”
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Active aeolian processes on Mars: A regional study in Arabia and Meridiani Terrae: ACTIVE AEOLIAN PROCESSES ON MARS by Silvestro, S., Vaz, D. A., Fenton, L. K., Geissler, P. E.

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Potential sand sources for the dune fields in Noachis Terra, Mars by Fenton, Lori K.

“…No sand transport pathways are visible in a study performed in Noachis Terra, a 60° × 35° region in the southern highlands of Mars known for its many…”
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Aeolian processes in Proctor Crater on Mars: Mesoscale modeling of dune-forming winds by Fenton, Lori K., Toigo, Anthony D., Richardson, Mark I.

“…Both atmospheric modeling and spacecraft imagery of Mars are now of sufficient quality that the two can be used in conjunction to acquire an understanding of…”
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Measuring Mars Atmospheric Winds From Orbit by Baker, Scott Guzewich J. B. Abshire. M. M, Battalio, J. M, Bertrand, T, Brown, A. J, Colaprete, A, Cook, A. M, Cremons, D. R, Crismani, M. M, Dave, A. I, Day, M, Desjean, M. -C, Elrod, M, Fenton, L. K, Fisher, J, Gordley, L. L, Hayne, P. O, Heavens, N. G, Hollingsworth, J. L, Jha, D, Jha, V, Kahre, M. A, Khayat, A. SJ, Kling, A. M, Lewis, S. R, Marshall, B. T, Martínez, G, Montabone, L, Mischna, M. A, Newman, C. E, Pankine, A, Riris, H, Shirley, J, Smith, M. D, Spiga, A, Sun, X, Tamppari, L. K, Young, R. M. B, Viúdez-Moreiras, D, Villaneuva, G. L, Wolff, M. J, Wilson, R. J

“…Wind is the process that connects Mars' climate system. Measurements of Mars atmospheric winds from orbit would dramatically advance our understanding of Mars…”
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Mapping Mariner 9 Dust Opacities by Fenton, Lori K., Pearl, John C., Martin, Terry Z.

“…We present the results from a study of the spatial and temporal 9-μm opacity variation of the Martian 1971 global dust storm. T. Z. Martin (1986,Icarus66,…”
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