PTYS/LPL Faculty
Alfred McEwen
Ph.D., 1988, Arizona State University
Years with LPL: 1996 to present
Astrobiology, Lunar Studies, Photogrammetry, Planetary Analogs, Planetary Geophysics, Planetary Surfaces
Dr. McEwen is a planetary geologist and director of the Planetary Image Research Laboratory (PIRL). He is working on several active spacecraft experiments, listed below.
His major research interest is understanding active geologic processes such as volcanism, impact cratering, and slope processes. For Mars and the Moon he is studying a broad range of topics in planetary geology. He is also pursuing studies and proposals for future missions and experiments at Earth and to Jupiter's moons Io and Europa.
Current Grants
- HiRISE: Mars Reconnaissance Orbiter: NASA/JPL
- LROC: Lunar Reconnaissance Orbiter: NASA/GSFC
- Colour and Stereo Surface Imaging System (CaSSIS): ExoMars Trace Gas Orbiter: ESA
- Europa Imaging System (EIS): Europa Clipper: NASA/APL
Current Spacecraft Involvement
Cassini Mission, Clementine, Europa Clipper, ExoMars Trace Gas Orbiter, Galileo, Lunar Reconnaissance Orbiter, Mars Global Surveyor, Mars Reconnaissance Orbiter, Voyager- Co-Investigator on Colour and Stereo Surface Imaging System (CaSSIS) on ExoMars Trace Gas Orbiter (launch 2016)
- Principal Investigator of the High Resolution Imaging Science Experiment (HiRISE) for the Mars Reconnaissance Orbiter (MRO)
- Co-Investigator, LROC team on the Lunar Reconnaissance Orbiter (LRO) mission to the Moon
- Deputy-PI of the Europa Imaging System (EIS) on the Europa Clipper Mission (launch October 2024)
Former Spacecraft Involvement
- Participating scientist on Mars Odyssey THEMIS
- Participating scientist on Mars Global Surveyor MOC
- Interdisciplinary Scientist on the Galileo mission to Jupiter
- Science team member on the Clementine mission to the Moon
- Guest Investigator for the Voyager Neptune encounter
- Principal Investigator of the High-resolution Stereo Color Imager (HiSCI) on the ESA/NASA ExoMars Trace Gas Orbiter (TGO)
- Member of the imaging science team of the Cassini mission to Saturn, 1990-2018
- Principal Investigator of the Io Volcano Observer (IVO) Phase A study in 2020
Student Collaborations/Advising
Former Students
- Mackenzie Mills, 2024 (Ph.D. PTYS)
- Cecilia Leung, 2020 (Ph.D. PTYS)
- Ethan Schaefer, 2018 (Ph.D. PTYS)
- Corwin Atwood-Stone, 2018 (Ph.D. PTYS)
- Donna Viola, 2017 (Ph.D. PTYS)
- Ingrid Daubar, 2014 (Ph.D. PTYS)
- Maria Banks, 2009 (Ph.D. Geosciences)
- Colin Dundas, 2009 (Ph.D. PTYS)
- Andrea Jones, 2009 (M.S. Geosciences)
- Kelly Kolb, 2008 (M.S. PTYS), 2009 (Ph.D. PTYS)
- Stephanie Fussner, 2006 (M.S. PTYS)
- Moses Milazzo, 2005 (Ph.D. PTYS)
- Brandon Preblich, 2005 (M.S. PTYS)
- Jani Radebaugh, 2005 (Ph.D. PTYS)
- Ross Beyer, 2004 (Ph.D. PTYS)
- Peter Lanagan, 2004 (Ph.D. PTYS)
- Cynthia Phillips, 2000 (Ph.D. PTYS)
- Jennifer Grier, 1999 (Ph.D. PTYS)
Former Postdocs
- Veronica Bray
- Matthew Chojnacki
- Colin Dundas
- Jennifer Fernando
- Lazslo Keszthelyi
- Elizabeth Turtle
- Marion Masse
- Chris Okubo
- Livio Tornabene
Former Research/Staff Scientists
- Veronica Bray
- Matt Chojnacki
Based on Google Scholar and NASA ADS: NASA ADS Author search: Alfred S. McEwen
Recent refereed publications: Years 2019 through June 2024
Valantinas, A., Thomas, A. Pommerol, O. Karatekin, L. Ruiz Lozano, C. B. Senel, O. Temel, E. Hauber, D. Tirsch, V. T. Bickel, G. Munaretto, M. Pajola, F. Oliva, F. Schmidt, I. Thomas, A. S. McEwen, M. Almeida, M. Read, V. G. Rangarajan, M. R. El-Maarry, C. Re, F. G. Carrozzo, E. D’Aversa, F. Daerden, B. Ristic, M. R. Patel, G. Bellucci, J. J. Lopez-Moreno, A. C. Vandaele & G. Cremonese, 2024, Nature Geoscience. Evidence for transient morning water frost deposits on the Tharsis volcanoes of Mars
Vance, Steven D., Craft, Kathleen L., Shock, Everett, Schmidt, Britney E., Lunine, Jonathan, Hand, Kevin P., McKinnon, William B., Spiers, Elizabeth M., Chivers, Chase, Lawrence, Justin D., Wolfenbarger, Natalie, Leonard, Erin J., Robinson, Kirtland J., Styczinski, Marshall J., Persaud, Divya M., Steinbrügge, Gregor, Zolotov, Mikhail Y., Quick, Lynnae C., Scully, Jennifer E. C., Becker, Tracy M., Howell, Samuel M., Clark, Roger N., Dombard, Andrew J., Glein, Christopher R., Mousis, Olivier, Sephton, Mark A., Castillo-Rogez, Julie, Nimmo, Francis, McEwen, Alfred S., Gudipati, Murthy S., Jun, Insoo, Jia, Xianzhe, Postberg, Frank, Soderlund, Krista M., & Elder, Catherine M. 2023, Space Science Reviews. Investigating Europa's Habitability with the Europa Clipper
Almeida, M., Read, M., Thomas, N., Cremonese, G., Becerra, P., Borrini, G., Byrne, S., Gruber, M., Heyd, R., Marriner, C. M., McArthur, G., McEwen, A. S., Pommerol, A., Perry, J., & Schaller, C. 2023, Planetary and Space Science. Targeting and image acquisition of Martian surface features with TGO/CaSSIS
McEwen, A.S., Haapala, A.F., Keszthelyi, L.P., Mandt, K.E. 2023, Astrophysics and Space Science Library. Outstanding Questions and Future Observations of Io. In: Lopes, R.M.C., de Kleer, K., Tuttle Keane, J. (eds) Io: A New View of Jupiter’s Moon
Dundas, Colin M., Mellon, Michael T., Posiolova, Liliya V., Miljković, Katarina, Collins, Gareth S., Tornabene, Livio L., Rangarajan, Vidhya Ganesh, Golombek, Matthew P., Warner, Nicholas H., Daubar, Ingrid J., Byrne, Shane, McEwen, Alfred S., Seelos, Kimberly D., Viola, Donna, Bramson, Ali M., & Speth, Gunnar 2023, Geophysical Research Letters. A Large New Crater Exposes the Limits of Water Ice on Mars
Perry, Jason E., Heyd, Rodney, Read, Matthew, Tornabene, Livio L., Sutton, Sarah S., Byrne, Shane, Thomas, Nicolas, Fennema, Audrie, McEwen, Alfred, & Berry, Kristin 2022, Planetary and Space Science. Geometric processing of TGO CaSSIS observations
Pommerol, A., Thomas, N., Almeida, M., Read, M., Becerra, P., Cesar, C., Valantinas, A., Simioni, E., McEwen, A. S., Perry, J., Marriner, C., Munaretto, G., Pajola, M., Tornabene, L., Mège, D., Da Deppo, V., Re, C., & Cremonese, G. 2022, Planetary and Space Science. In-flight radiometric calibration of the ExoMars TGO Colour and Stereo Surface Imaging System
Sutton, Sarah S. and Chojnacki, Matthew and McEwen, Alfred S. and Kirk, Randolph L. and Dundas, Colin M. and Schaefer, Ethan I. and Conway, Susan J. and Diniega, Serina and Portyankina, Ganna and Landis, Margaret E. and Baugh, Nicole F. and Heyd, Rodney and Byrne, Shane and Tornabene, Livio L. and Ojha, Lujendra and Hamilton, Christopher W. 2022, Remote Sensing. Revealing Active Mars with HiRISE Digital Terrain Models
MacKenzie, Shannon M., Neveu, Marc, Davila, Alfonso F., Lunine, Jonathan I., Cable, Morgan L., Phillips-Lander, Charity M., Eigenbrode, Jennifer L., Waite, J. Hunter, Craft, Kate L., Hofgartner, Jason D., McKay, Chris P., Glein, Christopher R., Burton, Dana, Kounaves, Samuel P., Mathies, Richard A., Vance, Steven D., Malaska, Michael J., Gold, Robert, German, Christopher R., Soderlund, Krista M., Willis, Peter, Freissinet, Caroline, McEwen, Alfred S., Brucato, John Robert, de Vera, Jean-Pierre P., Hoehler, Tori M., & Heldmann, Jennifer 2022, Astrobiology. Science Objectives for Flagship-Class Mission Concepts for the Search for Evidence of Life at Enceladus
Munaretto, G., Pajola, M., Lucchetti, A., Cremonese, G., Simioni, E., Re, C., Bertoli, S., Tornabene, L., McEwen, A. S., Becerra, P., Rangarajan, V. G., Valantinas, A., Pommerol, A., Thomas, N., & Portyankina, G. 2022, Planetary and Space Science. Multiband photometry of Martian Recurring Slope Lineae (RSL) and dust-removed features at Horowitz crater, Mars from TGO/CaSSIS color observations
Valantinas, A., Becerra, P., Pommerol, A., Tornabene, L. L., Affolter, L., Cremonese, G., Hauber, E., McEwen, A. S., Munaretto, G., Pajola, M., Bowen, A. Parkes, Patel, M. R., Rangarajan, V. G., Schorghofer, N., & Thomas, N. 2021, Planetary and Space Science. CaSSIS Color and multi-angular observations of martian slope streaks
Krasner, Sanford M., Bruvold, Kristoffer, Call, Jared A., Fieseler, Paul D., Klesh, Andrew T., Michael Kobayashi, M., Lay, Norman E., Lim, Ryan S., Morabito, David D., Oudrhiri, Kamal, Wallace, Mark, Grimes, Andrew H., Palagi, Timothy, Litton, Daniel K., Signori, Gina M., & McEwen, Alfred S. 2021, Journal of Spacecraft and Rockets. Reconstruction of Entry, Descent, and Landing Communications for the InSight Mars Lander
Mills, Mackenzie M., McEwen, Alfred S., & Okubo, Chris H. 2021, Geophysical Research Letters. A Preliminary Regional Geomorphologic Map in Utopia Planitia of the Tianwen-1 Zhurong Landing Region
Cable, Morgan L., Porco, Carolyn, Glein, Christopher R., German, Christopher R., MacKenzie, Shannon M., Neveu, Marc, Hoehler, Tori M., Hofmann, Amy E., Hendrix, Amanda R., Eigenbrode, Jennifer, Postberg, Frank, Spilker, Linda J., McEwen, Alfred, Khawaja, Nozair, Hunter Waite, J., Wurz, Peter, Helbert, Jörn, Anbar, Ariel, de Vera, Jean-Pierre, & Núñez, Jorge 2021, The Planetary Science Journal. The Science Case for a Return to Enceladus
Dundas, Colin M., Becerra, Patricio, Byrne, Shane, Chojnacki, Matthew, Daubar, Ingrid J., Diniega, Serina, Hansen, Candice J., Herkenhoff, Kenneth E., Landis, Margaret E., McEwen, Alfred S., Portyankina, Ganna, & Valantinas, Adomas 2021, Journal of Geophysical Research (Planets). Active Mars: A Dynamic World
Diniega, S., Bramson, A. M., Buratti, B., Buhler, P., Burr, D. M., Chojnacki, M., Conway, S. J., Dundas, C. M., Hansen, C. J., McEwen, A. S., Lapôtre, M. G. A., Levy, J., Mc Keown, L., Piqueux, S., Portyankina, G., Swann, C., Titus, T. N., Widmer, J. M. 2021, Geomorphology Modern Mars' geomorphological activity, driven by wind, frost, and gravity
McEwen, A. S., Schaefer, E. I., Dundas, C. M., Sutton, S. S., Tamppari, L. K., Chojnacki, M. 2021, Journal of Geophysical Research (Planets) Mars: Abundant Recurring Slope Lineae (RSL) Following the Planet Encircling Dust Event (PEDE) of 2018
Dundas, C. M., Mellon, M. T., Conway, S. J., Daubar, I. J., Williams, K. E., Ojha, L., Wray, J. J., Bramson, A. M., Byrne, S., McEwen, A. S., Posiolova, L. V., Speth, G., Viola, D., Landis, M. E., Morgan, G. A., Pathare, A. V. 2021, Journal of Geophysical Research (Planets) Widespread Exposures of Extensive Clean Shallow Ice in the Midlatitudes of Mars
Park, Ryan S., Riedel, Joseph E., Ermakov, Anton I., Roa, Javier, Castillo-Rogez, Julie, Davies, Ashley G., McEwen, Alfred S., & Watkins, Michael M. 2020, Planetary and Space Science. Advanced Pointing Imaging Camera (APIC) for planetary science and mission opportunities
Golombek, M., Williams, N., Warner, N. H., Parker, T., Williams, M. G., Daubar, I., Calef, F., Grant, J., Bailey, P., Abarca, H., Deen, R., Ruoff, N., Maki, J., McEwen, A., Baugh, N., Block, K., Tamppari, L., Call, J., Ladewig, J., Stoltz, A., Weems, W. A., Mora-Sotomayor, L., Torres, J., Johnson, M., Kennedy, T., & Sklyanskiy, E. 2020, Earth and Space Science. Location and Setting of the Mars InSight Lander, Instruments, and Landing Site
Munaretto, G., Pajola, M., Cremonese, G., Re, C., Lucchetti, A., Simioni, E., McEwen, A. S., Pommerol, A., Becerra, P., Conway, S. J., Thomas, N., & Massironi, M. 2020, Planetary and Space Science. Implications for the origin and evolution of Martian Recurring Slope Lineae at Hale crater from CaSSIS observations
Daubar, I. J., Lognonné, P., Teanby, N. A., Collins, G. S., Clinton, J., Stähler, S., Spiga, A., Karakostas, F., Ceylan, S., Malin, M., McEwen, A. S., Maguire, R., Charalambous, C., Onodera, K., Lucas, A., Rolland, L., Vaubaillon, J., Kawamura, T., Böse, M., Horleston, A., van Driel, M., Stevanović, J., Miljković, K., Fernando, B., Huang, Q., Giardini, D., Larmat, C. S., Leng, K., Rajšić, A., Schmerr, N., Wójcicka, N., Pike, T., Wookey, J., Rodriguez, S., Garcia, R., Banks, M. E., Margerin, L., Posiolova, L., & Banerdt, B. 2020, Journal of Geophysical Research (Planets). A New Crater Near InSight: Implications for Seismic Impact Detectability on Mars
Thomas, M. F., McEwen, A. S., & Dundas, C. M. 2020, Icarus. Present-day mass wasting in sulfate-rich sediments in the equatorial regions of Mars
Perrin, C., Rodriguez, S., Jacob, A., Lucas, A., Spiga, A., Murdoch, N., Lorenz, R., Daubar, I. J., Pan, L., Kawamura, T., Lognonné, P., Banfield, D., Banks, M. E., Garcia, R. F., Newman, C. E., Ohja, L., Widmer-Schnidrig, R., McEwen, A. S., & Banerdt, W. B. 2020, Geophysical Research Letters. Monitoring of Dust Devil Tracks Around the InSight Landing Site, Mars, and Comparison With In Situ Atmospheric Data
Wang, Alian, Ling, Zongcheng, Yan, Yuanchao, McEwen, Alfred S., Mellon, Michael T., Smith, Michael D., Jolliff, Bradley L., & Head, James 2019, Icarus. Subsurface Cl-bearing salts as potential contributors to recurring slope lineae (RSL) on Mars
Bart, Gwendolyn D., Daubar, Ingrid J., Ivanov, Boris A., Dundas, Colin M., & McEwen, Alfred S. 2019, Icarus. Dark halos produced by current impact cratering on Mars
Schaefer, E. I., McEwen, A. S., & Sutton, S. S. 2019, Icarus. A case study of recurring slope lineae (RSL) at Tivat crater: Implications for RSL origins
Dundas, C. M., McEwen, Alfred S., Diniega, S., Hansen, C. J., Byrne, S., & McElwaine, J. N. 2019, Geological Society of London Special Publications. The formation of gullies on Mars today
Hendrix, Amanda R., Hurford, Terry A., Barge, Laura M., Bland, Michael T., Bowman, Jeff S., Brinckerhoff, William, Buratti, Bonnie J., Cable, Morgan L., Castillo-Rogez, Julie, Collins, Geoffrey C., Diniega, Serina, German, Christopher R., Hayes, Alexander G., Hoehler, Tori, Hosseini, Sona, Howett, Carly J. A., McEwen, Alfred S., Neish, Catherine D., Neveu, Marc, Nordheim, Tom A., Patterson, G. Wesley, Patthoff, D. Alex, Phillips, Cynthia, Rhoden, Alyssa, Schmidt, Britney E., Singer, Kelsi N., Soderblom, Jason M., & Vance, Steven D. 2019, Astrobiology. The NASA Roadmap to Ocean Worlds
- U of A Scientists Have Their Eyes on Europa, Jupiter's Mysterious, Icy Moon - October 28, 2024
- Icy Moonquakes: Surface Shaking Could Trigger Landslides - April 14, 2023
- Io Volcano Observer: Following the Heat and Hunting Clues to Planet Evolution - March 18, 2021
- UArizona-Led Mission to Io Selected as Finalist for NASA Discovery Program - February 13, 2020
- NASA Selects Four Possible Missions to Study the Secrets of the Solar System - February 13, 2020
- Does Io Have a Magma Ocean? - October 18, 2019
- Travel to Alien Moons with UA Expert Guides - July 22, 2019
- Mapping the Moon and Worlds Beyond - July 16, 2019
- Alfred McEwen Appointed Regents' Professor - April 15, 2019
- Recurring Martian Streaks: Flowing Sand, Not Water? - November 21, 2017
- After Farewell Kiss, Cassini Takes the Plunge - September 13, 2017
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Semester | Course | Day/Time | Location | Resources | |
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Spring 2024 | PTYS/ASTR/GEOS 442-1 | Monday, Wednesday 4:00-5:15p.m. | Kuiper 312 | Syllabus D2L |
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Spring 2024 | PTYS/ASTR/GEOS 542-1 | Monday, Wednesday 4:00-5:15p.m. | Kuiper 312 | Syllabus D2L |
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Fall 2024 | PTYS 595B-001 | Tuesday 10:00-10:50a.m. | Kuiper 309 | Syllabus D2L |
Semester | Course | Day/Time | Location | Resources | |
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Spring 2021 | PTYS/ASTR/GEOS 442-1 | Monday, Wednesday 2:00-3:15p.m. | Kuiper 312 | Syllabus | Course Page |
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Spring 2021 | PTYS/ASTR/GEOS 542-1 | Monday, Wednesday 2:00-3:15p.m. | Kuiper 312 | Syllabus D2L | PTYS/ASTR/GEOS 442/542 |
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Spring 2019 | PTYS 595B-1 | Wednesday 1:30-2:30p.m. | Kuiper 301 | Syllabus |
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