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Department of Earth and Planetary Sciences Newsletter Fall 2009 Issue 9 Overview IN THIS ISSUE... Greetings from the Department of Earth and Planetary Sciences at Wash- ington University! These are exciting times in the department, as the recent influx of new faculty members and their laboratory equipment are Overview rapidly filling up the new building that we began to occupy in 2004. For Colorado Plateau Trip the first time since at least 1991, we have four assistant professors in the Arvidson Steps Down department (Jeff Catalano, Fred Moynier, David Fike, and Phil Skemer). Wiens New Chairman Fred and Phil are profiled in this issue, and Jeff and David were profiled in the 2007 issue. All of the junior faculty are making excellent progress, Current Research as evidenced by the fact that all have already obtained NSF and/or NASA Virtual Reality Lab funding for their research. Further good news is that Jennifer Smith is no longer an assistant Mineral-Water professor, as she was promoted to associate professor with tenure this summer. Finally, we Interface have also been joined by lecturer Vali Memeti (also profiled inside), who is providing much- needed help in teaching several geology courses. Phoenix Mission As you can see, the department also has a new chairman. Ray Arvidson stepped down EPSc In Action last summer after 17 very successful years leading the department. I agreed to become the Department News new chair, and while it will be impossible to truly replace Ray, I am highly optimistic that we can continue our up- New Faculty ward trajectory in the years E & PS Faculty ahead. Our department will remain at the center of one Recent Publications of the most exciting adven- New Employees tures, the exploration of space, as well as many of Alumni Updates the important issues fac- ing civilization, including environmental degradation, Department of Earth climate change, resources, and Planetary Sciences and natural disasters. Washington University Unfortunately we also in St. Louis needed to say goodbye E&PS St. Louis, MO 63130 to some of our long-time associates during the last Department Spring Trip to the two years. Roger Phil- Colorado Plateau lips retired from the active faculty in December 2007, In May of 2009, the department participated in a field trip and although he continues visiting the southwest United States. Led by Professor Bob his research from his new Dymek, the group visited 8 different national and state hometown in Boulder, parks or monuments which showcased the great denudation Colorado, is no longer with of the Colorado Plateau from the high elevation point of us on a day-to-day basis. Bryce Canyon to the low point of the Colorado River in the Julie Morris has gone on to Grand Canyon. Continued on page 2. Page 2 Arvidson Steps Down Wiens Appointed New Chairman On June 30, 2008 Ray Arvidson stepped down from the Professor Douglas A Wiens, seismologist, was appoint- Chairman position in Earth and Planetary Sciences after ed the new Chairman of Earth and Planetary Sciences 17 years in the position. The department gave a thank on July 1, 2008. Doug has been with the department you “celebRAYtion” on November 14, 2008 which for 25 years and first came to Washington University as featured a skit/video by the graduate students and a an assistant professor in 1984. He received his under- play/roast written by Jill Pasteris featuring department graduate degree in Physics from Wheaton College and members. The Dean of Arts and Sciences, Ed Macias his master’s and doctoral degree in Geological Sciences came and shared a few words as did former Chancel- from Northwestern University in Chicago, IL. Doug lor Jack Danforth. During his tenure as chairman, Ray was elected a American Geophysical Union Fellow in oversaw many changes in the department, chief among 2007. His research consists of using seismic imaging them was the building of McDonnell Hall to house the to investigate tectonic processes in the crust and upper increasing number mantle. He is particularly interested in studying mantle of faculty and their flow and the processes of melt generation in island arc laboratories and then and back arc spreading centers, the source properties of the construction and deep earthquakes in subduction zones, and the seis- move to the current mological structure of Antarctica. Doug has been the Earth and Planetary principal investigator or co-investigator for 10 differ- Sciences building on ent seismology field programs in the Western Pacific, Hoyt drive in 2004. Antarctica, and Africa and has published more than 85 Ray succeeded Larry papers in refereed journals. He has also been the major Haskin in 1991 and Ray and Eloise Arvidson enjoy the advisor for nine Washington University PhD degree set about hiring skits at the CelebRAYtion students. He has served on numerous national commit- several faculty and tees, including NSF visiting committees and review staff members to increase the department’s stature in committees, the National Academy International Polar research and teaching. Now that he has stepped down, Year Planning Committee, the Incorporated Research he is devoting more time to research and working with Institutions in Seismology (IRIS) Executive Committee, grad students and in particular strengthening the highly and the NSF Margins and RIDGE2000 program steer- successful Pathfinder Program in Environmental Sus- ing committees. During his time as chairman he would tainability. “I look forward to continuing the growth like to focus on increasing the strength of both our un- and excellence in reputation of our department,” he dergraduate and graduate programs, as well as increas- replied when asked about what he wanted for the future. ing our research standing in key areas so Washington Thanks, Ray, for an excellent and successful tenure as University will be increasingly recognized as a leader in Chair. the Earth & Planetary Sciences. Continued from page 1. be Director of the Division of Ocean Sciences at the Na- ment with the department. We enjoy hearing from you, tional Science Foundation, and Bob Tucker has moved to and inside you will find a list of news items we compiled a position with the US Geological Survey in Reston, VA. from notes that you sent us. We will have an alumni We also held a “retirement lunch” for longtime colleague reception at the 2009 Fall AGU meeting in San Francisco. Hal Levin. Hal officially retired from the faculty 7 years There is even a Facebook E&PS alumni group to help ago, but came back out of retirement to teach a highly you keep in touch with each other. Alumni giving is an successful 100-level course on dinosaurs for the last important part of our success, and there are special fund couple of years. I’ve heard that Hal is compiling some categories to help support things like teaching equipment information about the history of the department, which I purchases and student field trips such as the May 2009 will be excited to see, as Hal is the only faculty member Canyonlands and Grand Canyon field trip pictured on the still around from the pre-1973 years. cover. Above all, please stop by and tour our new building I also encourage you as alumni to renew your involve- and talk to us if you are in St. Louis. –Doug Wiens Current Research Page 3 Fossett Laboratory for Virtual the surface of Mars, allowing them to see and under- stand an environment as a field geologist would. But Planetary Exploration virtual exploration goes beyond visible recreation of an The amount of scientific data collected has increased environment; the Fossett Laboratory allows users to see exponentially over the past decade. Today’s scientists beyond the visible spectrum by overlaying data such and students face the challenge of understanding the as thermal emissions, multi-spectral images, and high- universe, not by isolated exploration and analysis of a energy electromagnetic radiation. small number of observations, but by sifting through large volumes of information. This problem is evident Projects in the world of planetary exploration including the ex- The Fossett Laboratory supports the virtual exploration ploration of Earth. Recent years have seen a wide range of planetary data through its immersive CAVE virtual of spacecraft carrying a large number of instruments, reality system coupled with the extensive planetary data all generating terabytes worth of data. Making sense of holdings in NASA’s Planetary Data System’s Geosci- these data is what visualization is all about. ences Node also located in the Earth and Planetary The Fossett Laboratory for Virtual Planetary Explo- Remote Sensing Laboratory. ration allows scientists and students at Washington Uni- The Fossett Laboratory supports a wide range of versity’s Department of Earth and Planetary Science, research and education activities with the primary focus to use the wide range of data from these spacecraft to on planetary science. Recent examples include: explore and understand re- mote places. This “virtual exploration” not only provides scientists new ways to un- derstand data, but allows the Exploring 3D models generated with data from the Mars next genera- Reconnaissance Orbiter’s HiRISE instrument and the Eu- tion to better understand the universe. Although it fo- ropean Space Agency’s Mars Express HRSC instrument cuses on planetary science, the Fossett Laboratory also supports science and education in earth science and, in the future, other science and educational efforts from other parts of the Washington University community. The Fossett Laboratory is a generous gift from the late Steve Fossett, Washington University alumni and former Board of Trustees member. The Fossett Labora- tory is located in Dr. Ray Arvidson’s Earth and Plan- etary Remote Sensing Laboratory. Vision The core vision of the Fossett Laboratory is virtual exploration, i.e., the ability of scientists and students to “enter” the data and experience the place that the data describe.
Recommended publications
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  • March 21–25, 2016

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  • Bethany L. Ehlmann California Institute of Technology 1200 E. California Blvd. MC 150-21 Pasadena, CA 91125 USA Ehlmann@Caltech

    Bethany L. Ehlmann California Institute of Technology 1200 E. California Blvd. MC 150-21 Pasadena, CA 91125 USA Ehlmann@Caltech

    Bethany L. Ehlmann California Institute of Technology [email protected] 1200 E. California Blvd. Caltech office: +1 626.395.6720 MC 150-21 JPL office: +1 818.354.2027 Pasadena, CA 91125 USA Fax: +1 626.568.0935 EDUCATION Ph.D., 2010; Sc. M., 2008, Brown University, Geological Sciences (advisor, J. Mustard) M.Sc. by research, 2007, University of Oxford, Geography (Geomorphology; advisor, H. Viles) M.Sc. with distinction, 2005, Univ. of Oxford, Environ. Change & Management (advisor, J. Boardman) A.B. summa cum laude, 2004, Washington University in St. Louis (advisor, R. Arvidson) Majors: Earth & Planetary Sciences, Environmental Studies; Minor: Mathematics International Baccalaureate Diploma, Rickards High School, Tallahassee, Florida, 2000 Additional Training: Nordic/NASA Summer School: Water, Ice and the Origin of Life in the Universe, Iceland, 2009 Vatican Observatory Summer School in Astronomy &Astrophysics, Castel Gandolfo, Italy, 2005 Rainforest to Reef Program: Marine Geology, Coastal Sedimentology, James Cook Univ., Australia, 2004 School for International Training, Development and Conservation Program, Panamá, Sept-Dec 2002 PROFESSIONAL EXPERIENCE Professor of Planetary Science, Division of Geological & Planetary Sciences, California Institute of Technology, Assistant Professor 2011-2017, Professor 2017-present; Associate Director, Keck Institute for Space Studies 2018-present Research Scientist, Jet Propulsion Laboratory, California Institute of Technology, 2011-2020 Lunar Trailblazer, Principal Investigator, 2019-present MaMISS
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  • NASA's Planetary Science Lunar Activities and Plans

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    Te 24 Milion Km Link wit te Mercury Laser Altmetr Jay Steigelman Dave Skillman Barry Coyle John F. Cavanaugh Jan F. McGarry Gregory A. Neumann Xiaoli Sun Thomas W. Zagwodzki Dave Smith Maria Zuber MOLA Science Team Meeting Bishop’s Lodge, Santa Fe, NM August 24-25, 2005 Test Objectives Messenger: MErcury Surface, Space ENvironment, GEochemistry and Ranging 6.6 year travel time to Mercury... There’s not a whole lot to do during this time. Dave Smith called a meeting and asked, “What about a transponder experiment?” Official goals were: ➡ Verify laser performance; verify laser pointing and receiver boresight with respect to MESSENGER spacecraft coordinates. ➡ Verify MLA ranging function and performance using a ground laser to simulate backscattered pulses. ➡ Calibrate MLA boresight offset with Mercury Dual Image System (MDIS). Recent Publications BREVIA the received pulse shapes. Sixteen consecutive pulses were recorded at 19:47:24 UTC on 27 and 24 May; more were recorded at 19:42:02 Two-Way Laser Link over UTC on 31 May. Simultaneously, a laser at GGAO was beamed upward toward MLA. The uplink pulses, along Interplanetary Distance with noise triggers from the sunlit Earth, were received within a 15-ms range window during David E. Smith,1* Maria T. Zuber,1,2 Xiaoli Sun,1 Gregory A. Neumann,1,2 1 1 1 each 125-ms shot interval. Inspection of the John F. Cavanaugh, Jan F. McGarry, Thomas W. Zagwodzki stored instrument data revealed 90 pulses over a 30-min time frame, 17 on multiple channels, he detection and precise timing of low- Geophysical and Astronomical Observatory whose timing matched the GGAO fire times.