Rebecca M. (Eby) Williams Planetary Science Institute (p) 608-729-7786 (e) [email protected] Education: PhD., 2000, Planetary Sciences, Washington University, St. Louis, MO B.A., 1995, Cum Laude, Physics and Geology, Franklin & Marshall College, Lancaster, PA Relevant Work History: Planetary Science Institute, Tucson, AZ 2011-Present Senior Scientist 2005-2010 Research Scientist Smithsonian Institution, Center for Earth and Planetary Science, Washington, DC 2004-2006 Research Associate, Lindbergh Fellow Malin Space Science Systems, Inc., San Diego, CA 2002-2004 Staff Scientist 2001-2002 Post-Doctoral Research Associate Awards & Service: 2006 NASA Carl Sagan Fellowship for Early Career Researchers 2011 MRO CTX Science Team NASA Group Achievement Award 2013 MSL Science Office Development and Operations Team, NASA Group Achievement Award 2013-Present ESA ExoMars Landing Site Selection Working Group (LSSWG) Member 2015 NASA Next Orbiter to Mars Science Advisory Group (NEX-SAG) Member 2015 MSL Prime Mission Science and Operations Team, NASA Group Achievement Award 2017 Friend of Education, Waunakee Teachers Association Field Experience: Deltas in Patagonia, Chile, PI, November 2018. Inverted paleochannels & alluvial fans, Pampa del Tamarugal region, Atacama Desert, Chile, PI, Nov 2010, June 2012, May 2016, Nov. 2017. Inverted paleochannels, Ebro Basin, Spain, Co-I, Feb. 2017 (PI Michael Lamb). Rover operations testing, Co-I, near Vernal, UT, Oct. 2017; Green River, UT, April 2016 (GeoHeuristic Operational Strategies Testing, GHOST, PI Aileen Yingst). Inverted paleochannels near Baker, CA, PI, Sep 2014, April 2016. Inverted paleochannels near Cadney, South Australia, PI, May 2011. Meandering channels of the Quinn River, Nevada, Co-I, July 2010, Oct. 2011. Inverted paleochannels, Cape York Peninsula, Queensland, Australia, PI, July 2009. Lava-capped channel, Stanislaus Table Mountain, near Jamestown, CA, PI, Dec 2008. Exhumed paleochannels, Emery, UT, PI, Oct. 2005; Sep. 2006; Oct. 2008. Lava-capped channels, St. George, UT, PI, Sep. 2006; Oct. 2008. Debris flows in the Central Front Range, CO, PI, Sep. 2005. Gullies and alluvial fans in the Kau’u Desert, Volcano National Park, HI, Co-I, Aug 2005. Alluvial fans in southwestern CA, PI, Jan. 2005. 2 Peer-reviewed Publications 2019 Minitti, M. E., M.C. Malin, J.K. Van Beek, M. Caplinger, J.N. Maki, M. Ravine, F.J. Calef, III, L. A. Edgar, D. Harker, K. Herkenhoff, L.C. Kah, M.R. Kennedy, G. M. Krezoski, R.E. Kronyak, L. Lipkaman, B. Nixon, S.K. Rowland, J. Schieber, J. F. Schroeder, K.M. Stack, Williams, R. M. E., and R. A. Yingst, 2019 in press, Distribution of primary and secondary features in the Pahrump Hills outcrop (Gale crater, Mars) as seen in a Mars Descent Imager (MARDI) “sidewalk” mosaic, Icarus, doi:10.1016/j.icarus.2019.03.005. Stack, K. M., J. P. Grotzinger, J. P., Lamb, M. P., Gupta, S., Rubin, D., Kah, L. C., Edgar, L. A., Fey, D., Hurowitz, J. A., Sumner, D. Y., Van Beek, J. K., Williams, R. M. E., and Yingst, R. A., 2019 in press, Evidence for plunging river plume deposits in the Pahrump Hills member of the lower Murray formation, Gale crater, Mars, Sedimentology, doi:10.1111/sed.12558. 2018 Williams, R. M. E., Malin, M. C., Stack, K. M., and Rubin, D. M., 2018a, Assessment of Aeolis Palus Stratigraphic Relationships Based on Bench-forming Strata in the Kylie and the Kimberley Regions of Gale Crater, Mars: Icarus, v. 309, p. 84-104. doi:10.1016/j.icarus.2018.02.028. Williams, R. M. E., Moersch, J. E., and Fergason, R. L., 2018b, Thermophysical Properties of Martian Fluvial Sinuous Ridges: Inferences on ‘Inverted Channel’ Induration Agent, Earth and Space Science, 5, doi:10.1029/2018EA000402. Chuang, F. C. and Williams, R. M. E., 2018, Valley Network Morphology in the Greater Meridiani Planum Region, Mars, Journal of Maps. 14, 664-672. doi:10.1080/17445647.2018.1530154. https://www.tandfonline.com/doi/abs/10.1080/17445647.2018.1530154 Davis, J. M., Grindrod, P. M., Fawdon, P., Williams, R. M. E., Gupta, S., and Balme, M., 2018, Episodic and Declining Hesperian Fluvial Processes in Southwest Melas Chasma, Valles Marineris, Mars, Journal of Geophysical Research. 123, 2527–2549. doi:10.1029/2018JE005710. Yingst, R. A., Bartley, J., Cohen, B. A., Hynek, B. M., Kah, L. C., Gilleaudeau, G., Minitti, M. E., Williams, R. M. E., Chidsey, T. C., Black, S., Gemperline, J., Helsius, R., and Schaufler, R., 2018, Testing the efficiency of rover science protocols for robotic sample selection: A GeoHeuristic Operational Strategies Test, Acta Astronautica, 146, 300-315. doi.org/10.1016/j.actaastro.2018.02.029. 2017 Williams, R. M. E., F. C. Chuang, and D. C. Berman, 2017, Multiple Surface Wetting Events in the Greater Meridiani Planum Region, Mars: Evidence from Valley Networks within the Ancient Cratered Highlands, Geophysical Research Letters, 44 (4) p. 1669-1678. doi:10.1002/2016GL072259. Dietrich, W. E., Palucis, M. C., Williams, R. M. E., Lewis, K. W., Rivera-Hernandez, F., and Sumner, D. Y., 2017, Fluvial gravels on Mars: Analysis and implications, Gravel Bed Rivers: Processes and Disasters, edited by D. Tsutsumi and J. Laronne, Wiley. pg. 755- 776. doi:10.1002/9781118971437. 3 Edgar, L. A., and others including R. M. E. Williams, 2017, Shaler: A Fluvial Sedimentary Deposit on Mars, Sedimentology. doi:10.1111/sed.12370. Vago, J. L., Westall, F., Pasteaur PI Team, ESA/ROS/IKI Contributors, Landing Site Working Group (including R. M. E. Williams), and Other Contributors, 2017, Searching for Traces of Life with the ExoMars Rover, Astrobiology. doi:10.1089/ast.2016.1533. 2016 Davis, J. M., Balme, M. R., Grindrod, P. M., Williams, R. M. E., and Gupta, S., 2016, Extensive Noachian fluvial systems in Arabia Terra: implications for early martian climate: Geology, 44, 879-880. doi:10.1130/G38247.1. Laporte, M. G. A., Williams, R. M. E., and Lamb, M. P., 2016, Canyon formation constraints on the discharge of outburst floods on Earth and Mars. Journal of Geophysical Research. 121, 1232-1263, doi:10.1002/2016JE005061. Mangold, N and 32 others including R. Williams, Composition of conglomerates analyzed by the Curiosity rover: Implications for Gale crater crust and sediment sources, 2016, Journal of Geophysical Research. v. 121, p. 353-387. doi: 10.1002/2015JE004977. Palucis, M., Dietrich, W. E., Williams, R. M. E., Hayes, A. G., Parker, T., Sumner, D. Y., Mangold, N., Lewis, K., and Newsom, H., 2016, Sequence and Relative Timing of Large Lakes in Gale Crater (Mars) after the Formation of Mt. Sharp, Journal of Geophysical Research, 121 25pp. doi:10.1002/2015JE004905. Stack, K. M., and others including Williams, R. M. E., 2016, Comparing orbiter and rover image-based mapping of an ancient sedimentary environment, Aeolis Palus, Gale crater, Mars, Icarus, 280, 3-21. doi:10.1016/j.icarus.2016.02.024. Yingst, R. A., K. S. Edgett, M. R. K., G. M. Krezoski, M. J. McBride, M. E. Minitti, M. A. Ravine, and R. M. E. Williams, 2016, MAHLI on Mars: Lessons learned operating a geoscience camera on a landed payload robotic arm Geoscientific Instrumentation, Methods, and Data Systems. 5, 205-217. doi:10.5194/gi-5-205-2016. Yingst, R. A., Cropper, K., Blank, J., Goetz, W., Hamilton, V. E., Hipkin, V., Kah, L. C., Madsen, M. B., McBride, M. J., Newsom, H., Williams, R. M. E., Bridges, N. T., Bridges, J. C., and Martinez Frias, J., 2016, Characteristics of pebble and cobble-sized clasts along the Curiosity rover traverse from sol 100 to 750. Icarus. 280, 72-92. doi:10.1016/j.icarus.2016.03.001. 2015 Grotzinger, J. P. and others including R. M. E. Williams, 2015, Deposition, Exhumation, and Paleoclimatology of an Ancient Lake Deposit, Gale Crater, Mars. Science. v. 350, no. 6527. Doi:10.1126/science.aac7575. Mangold, N. and others including R. M. E. Williams, 2015, Chemical variations of Yellowknife Bay Formation sediments analyzed by the Curiosity rover on Mars, Journal of Geophysical Research, 230 (4), 452-482. doi:10.1002/2014je004681. Matsubara, Y., Howard, A. D., Burr, D. M., Williams, R. M. E., Dietrich, W. E., and Moore, J. M., 2015, River meandering on Earth and Mars: A comparative study of Aeolis Dorsa meanders, Mars and possible terrestrial analogs of the Usutuk River, AK and the Quinn River, NV, Geomorphology, v. 240, p. 102-120. 4 2014 Williams, R. M. E. and C. M. Weitz, 2014, Reconstructing the Aqueous History within the southwestern Melas Basin: Clues from Stratigraphic and Morphometric Analyses of Fans. Icarus, 242, p. 19-37. doi:10.1016/j.icarus.2014.06.030. Grotzinger, J. P., and 69 others including R.M.E. Williams, 2014, A Habitable Fluvio- Lacustrine Environment at Yellowknife Bay, Gale Crater, Mars. Science, 343, 1242777-1 to 1242777-14. doi:10.1126/science.1242777. Morgan, A. M., Howard, A. D., Hobley, D. E., Moore, J. M., Dietrich, W. E., Williams, R. M. E., Burr, D. M., Grant, J. A., Wilson, S. A., and Matsubara, Y., 2014, Sedimentology and Climatic Environment of Alluvial Fans in the Martian Saheki Crater and a Comparison with Terrestrial Fans. Icarus, 229, 131-156. doi:10.1016/j.icarus.2010.08.004. Vasavada, A. R. and 12 others including Williams, R.M.E., 2014, Overview of the Mars Science Laboratory Mission: Bradbury Landing to Yellowknife Bay and Beyond, Journal of Geophysical Research. 119, 1134-1161. doi: 10.1002/2014JE004622. 2011-2013 Williams, R. M. E., et al., 2013, Martian Fluvial Conglomerates at Gale Crater, Science, 340, 1068-1072. doi:10.1126/science.1237317. Williams, R. M. E., Irwin, R. P. III, Burr, D. M., Harrison, T. McClelland, P., 2013, Variability in Martian Sinuous Ridge Form: Case study in the Aeolis/Zephyria Planum Region and Lessons from the Mirackina Paleoriver, South Australia, Icarus, 225, 308-324.