Dr. Ryan C. Ewing

Research Interests

Sedimentology

Recent Publications

Milliken, R., Ewing, R. C., Horowitz, J., & Fischer, W. W. Wind-blown sandstones cemented by
sulfate and clay minerals in Gale Crater, Mars. (in review).

Rose, C. V., Maloof, A. C., Schoene, B., Ewing, R. C., Linnemann, U., Hofmann, M., & Cottle, J. M.
The end-Cryogenian glaciation of South Australia. (in review).

Ewing, R.C., Eisenman, I., Lamb, M.P., Poppick, L., Maloof, A.C., Fischer, W.W., Tropical Thaw
during a Late Neoproterozoic snowball Earth glaciation. (in review)

Silvestro, S., Vaz, D. A., Ewing, R. C., Fenton, L. K., Rossi, A. P., Michaels, T. I., Flahaut, J., et al.
(2013). Pervasive aeolian activity along Curiosity’s traverse in Gale Crater, Mars. Geology, 41, 479–
482.

Fenton, L., Ewing, R. C., Bridges,, N., & Lorenz, R. (2012). Extraterrestrial aeolian landscapes. In
Schroder (Editor in Chief). N. Lancaster, A. Baas, & D. Sherman (Eds.), Treatise in Geomorphology:
Aeolian Geomorphology (pp. 287–312). San Diego: Academic Press.

Kocurek, G. and Ewing, R.C., (2012) Source-To-Sink: An Earth/Mars Comparison of Boundary
Conditions for Aeolian Dune Systems. J. Grotzinger and R. Milliken (eds.), Sedimentary Geology
on Mars. SEPM Special Publication. ISBN: 978-1-56576-312-8

Jerolmack, D.J., Ewing, R.C., Falcini, F., Martin, R.L., Masteller, C., Phillips, C., Reitz, M.D.,
Buynevich, I. (2012) Internal boundary layer model for the evolution of desert dune fields. Nature
Geoscience, 5, p. 206-209. doi:10.1038/ngeo1381

Le Gall, A., Hayes, A.G., Ewing, R.C., Janssen, M.A., Radebaugh, J., Savage, C., Encrenaz, P., The
Cassini Radar Team (2012) Latitudinal and altitudinal controls of Titan’s dune field morphometry.
Icarus, 217, 231-242. doi: 10.1016/j.icarus.2011.10.024

Reitz, M.D., Jerolmack, D.J., Ewing, R.C., Martin, R. (2010) Barchan-parabolic dune pattern transition
from vegetation stability threshold. Geophysical Research Letters, 37, L19402, doi:10.1029/2010GL044957.

Ewing, R.C., Peyret, A.-P.B, Kocurek, G, and Bourke, M., (2010) Dune-field pattern formation and
recent transporting winds in the Olympia Undae Dune Field, north polar region of Mars. JGRPlanets,
115, E08005, doi:10.1029/2009JE003526, 2010.

Ewing, R.C. and Kocurek, G., (2010) Aeolian dune interactions and dune-field pattern formation:
White Sands, New Mexico. Sedimentology, 57, 1199-1219.

Ewing, R.C. and Kocurek, G. (2010) Aeolian dune-field pattern boundary conditions. Geomorphology,
114, 175-187.

Kocurek, G., Ewing, R.C., Mohrig, D., (2010) How do bedform patterns arise? New views on the role of
bedform interactions within a set of boundary conditions. Earth Surface Processes and Landforms,
35, 51-63.

Szynkiewicz, A., Ewing, R.C., Moore, C.H., Gamoclija, M., Pratt, L.M., Bustos, D., (2010), Origin of
terrestrial gypsum dunes – implications for Martian gypsum-rich dunes of Olympia Undae.
Geomorphology, 121, 69-83.

Bourke, M.C., Ewing, R.C., McGowan, H.A., Finnegan, D., (2009) Sand dune movement in Victoria
Valley Antarctica. Geomorphology, 109, 148-160.

Derickson, D., Kocurek, G., Ewing, R.C., Bristow, C., 2008, Origin of a complex and spatially diverse
dune-field pattern, Algodones, southeastern California. Geomorphology, 99, 186-204.

Kocurek, G., Carr, M., Ewing, R.C., Havholm, K.G., Nugar, Y.C., Singhvi, A.K., 2007, White Sands
Dune Field, New Mexico: Age, dune dynamics and recent accumulations. Sedimentary Geology,
197, 313-331.

Beveridge, C., Kocurek, G., Ewing, R.C., Lancaster, N., Mortheka, P., Singhvi, A.K., Mahan, S., 2006,
Development of spatially diverse and complex dune-field patterns: Gran Desierto Dune Field,
Sonora, Mexico. Sedimentology, 53, 1391-1409.

Ewing, R.C., Kocurek, G., and Lake, L.L., 2006, Pattern analysis of dune-field parameters. Earth
Surface Processes and Landforms, 31, 1176-1191.

Kocurek, G. and Ewing R.C., 2005, Aeolian dune field self-organization – implications for the
formation of simple versus complex dune-field patterns. Geomorphology, 72, 94-105