Morgan, Alex
Former Post-doctoral research geologist
0000-0003-2443-1676
Morgan, Alex
Former Post-doctoral research geologist
Mars and arid zone geomorphology
Geographic Focus
Background And Education
Education And Training
- Ph.D., University of Virginia , Environmental Sciences 2011 - 2017
- B.S., University of California, Santa Cruz , Earth and Planetary Sciences 2006 - 2010
Awards And Honors
- Smithsonian Scholarly Studies Award, conferred by Smithsonian Scholarly Studies Awards, 2020
Publications
Selected Publications
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Article
- Graves, B. P., Ralph, T. J., and Morgan, Alexander M. 2025. "Channel breakdown and avulsion in arroyos feeding the Little Colorado River, Arizona, USA." Geomorphology, 468. https://doi.org/10.1016/j.geomorph.2024.109501. 2025
- Grau Galofre, Anna, Howard, Alan D., Morgan, Alexander M., Wilson, Sharon A., and Moore, Jeffrey M. 2024. "Glacial sculpting of a martian cratered landscape on the northeastern flank of the Hellas basin." Icarus, 420. https://doi.org/10.1016/j.icarus.2024.116211. 2024
- Kite, Edwin S., Mischna, Michael A., Fan, Bowen, Morgan, Alexander M., Wilson, Sharon A., and Richardson, Mark, I. 2022. "Changing spatial distribution of water flow charts major change in Mars's greenhouse effect." Science Advances, 8, (21). https://doi.org/10.1126/sciadv.abo5894. 2022
- Morgan, Alexander M., Wilson, Sharon A., and Howard, Alan D. 2022. "Geospatial data from a global survey of martian fan-shaped sedimentary landforms." Data in Brief, 44. https://doi.org/10.1016/j.dib.2022.108494. 2022
- Palucis, Marisa C., Morgan, A. M., Strauss, J. V., Rivera-Hernandez, F., Marshall, J. A., Menio, E., and Miller, R. 2022. "Rates and processes controlling periglacial alluvial fan formation: Implications for martian fans." GSA Bulletin, 135, (3-4) 937–954. https://doi.org/10.1130/B36459.1. 2022
- Howard, A. D., Wilson, S. A., Morgan, A. M., Moore, J. M., and White, O. L. 2021. "Light-toned deposit in the northeastern Hellas basin formed by terrain-conforming airfall sedimentation." Icarus, 360. https://doi.org/10.1016/j.icarus.2021.114356. 2021
- Wilson, Sharon A., Morgan, Alexander M., Howard, Alan D., and Grant, John A. 2021. "The Global Distribution of Craters With Alluvial Fans and Deltas on Mars." Geophysical Research Letters, 48, (4). https://doi.org/10.1029/2020GL091653. 2021
- Goudge, Timothy A., Morgan, Alexander M., de Quay, Gaia Stucky, and Fassett, Caleb, I. 2021. "The importance of lake breach floods for valley incision on early Mars." Nature, 597, (7878) 645. https://doi.org/10.1038/s41586-021-03860-1. 2021
- Morgan, Alexander M. and Craddock, Robert A. 2019. "Assessing the Accuracy of Paleodischarge Estimates for Rivers on Mars." Geophysical Research Letters, 46, (21) 11738–11746. https://doi.org/10.1029/2019GL084921. 2019
- Morgan, Alexander M. and Craddock, Robert A. 2017. "Depositional processes of alluvial fans along the Hilina Pali fault scarp, Island of Hawaii." Geomorphology, 296 104–112. https://doi.org/10.1016/j.geomorph.2017.08.028. 2017
- Morgan, A. M., Howard, A. D., Hobley, D. E. J., Moore, J. M., Dietrich, W. E., Williams, R. M. E., Burr, D. M., Grant, John A., Wilson, Sharon A., and Matsubara, Yo. 2014. "Sedimentology and climatic environment of alluvial fans in the Martian Saheki crater and a comparison with terrestrial fans in the Atacama Desert." Icarus, 229 131–156. https://doi.org/10.1016/j.icarus.2013.11.007. 2014
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Dataset
- Morgan, Alexander M., Purdy, Sharon A., and Howard, Alan D. 2022. [Dataset] Geospatial data from a global survey of martian fan-shaped sedimentary landforms. Distributed by National Air and Space Museum. https://doi.org/10.25573/DATA.19952486.V1. 2022
- Purdy, Sharon A., Morgan, Alexander M., Grant, John A., and Howard, Alan D. 2020. [Dataset] Global inventory of craters on Mars with alluvial fans and putative deltas (scarp-fronted fans) using CTX data. Distributed by The Smithsonian Institution. https://doi.org/10.25573/DATA.13455788.V1. 2020
- Morgan, Alexander M. 2019. [Dataset] Supporting data for 'Assessing the accuracy of paleodischarge estimates for rivers on Mars'. Distributed by The Smithsonian Institution. https://doi.org/10.25573/DATA.9920336.V2. 2019
Contact
Location
- National Air & Space Museum Academic Department
