Publications

Aguilar, R. J., Holt, J. W., Christoffersen, M. S., Meng, T. M., & Nerozzi, S. (2026). Revealing the internal structure of Mars-analog glaciers from drone-based radar sounding. Journal of Geophysical Research: Planets, 131, e2025JE009208. https://doi.org/10.1029/2025JE009208 

Spurling, R., Nerozzi, S., & Hamilton, C. W. (2025). Crater-based Dating of Hebrus Valles and Hephaestus Fossae, Mars. The Planetary Science Journal, 6(12), 307. https://doi.org/10.3847/PSJ/ae0721

Meng, T. M., Tober, B. S., Aguilar, R. J., Daniel, M. F., Jacobo-Bojórquez, R. A., Nerozzi, S., & Holt, J. W. (2025). Effects of rock glacier dynamics on surface morphology and deformation. Journal of Geophysical Research: Earth Surface, 130, e2024JF008106. https://doi.org/10.1029/2024JF008106

Meng, T.M., Aguilar, R., Christoffersen, M.S., Petersen, E.I. & Holt, J.W. (2023). Photogrammetric Monitoring of Rock Glacier Motion Using High-Resolution Cross-Platform Datasets: Formation Age Estimation and Modern Thinning Rates, Remote Sensing, 15(19), 4779. https://doi.org/10.3390/rs15194779

Meng, T.M., Petersen, E.I. & Holt, J.W. (2022). Rock glacier composition and structure from radio wave speed analysis with dipping reflector correction, Journal of Glaciology, pp. 1–19. https://doi.org/10.1017/jog.2022.90.

Petersen E. I., Levy J. S., Holt J. W., Stuurman C. M. (2019). New insights into ice accumulation at Galena Creek Rock Glacier from radar imaging of its internal structure. Journal of Glaciology 1–10. https://doi.org/10.1017/jog.2019.67

Nerozzi, S., & Holt, J. W. (2019). Buried ice and sand caps at the north pole of Mars: Revealing a record of climate change in the cavi unit with SHARAD. Geophysical Research Letters, 46, 7278–7286. https://doi.org/10.1029/2019GL082114

Petersen, E. I., Holt, J. W., & Levy, J. S. (2018). High ice purity of martian lobate debris aprons at the regional scale: Evidence from an orbital radar sounding survey in Deuteronilus and Protonilus Mensae. Geophysical Research Letters, 45, 11,595–11,604. https://doi.org/10.1029/2018GL079759

Nerozzi, S., & Holt, J. W. (2017). Earliest accumulation history of the north polar layered deposits, Mars from SHARAD. Icarus, 308, 128-137. https://doi.org/10.1016/j.icarus.2017.05.027

Holt, J. W., et al. (2010) “The Construction of Chasma Boreale on Mars.” Nature, vol. 465, no. 7297, pp. 446–49. doi:10.1038/nature09050.

Holt, John W., et al. (2008) “Radar Sounding Evidence for Buried Glaciers in the Southern Mid-Latitudes of Mars.” Science, 322,1235–38. http://www.sciencemag.org/cgi/doi/10.1126/science.1164246

Holt, John W., et al. (2006) “Echo Source Discrimination in Single-Pass Airborne Radar Sounding Data from the Dry Valleys, Antarctica: Implications for Orbital Sounding of Mars.” Journal of Geophysical Research: Planets, vol. 111, p. E06S24. doi:10.1029/2005JE002525.