Publications

Horlings, B. I., Courville, Z., Murdza, Andrii, and Keegan, K. (2025), Applicability of two-phase modeling with compression experiments for snow compaction dynamics, Cold Regions Science and Technology, Vol 229. doi: 10.1016/j.coldregions.2024.104336

McDowell, I.E., Keegan, K., Skiles, S.M.K., Donahue, C.P., Osterberg, E.C., Hawley, R.L., Marshall, H-P (2024), A cold laboratory hyperspectral imaging system to map grain size and ice layer distributions in firn cores, The Cryosphere, 18(4), 1925-1946. doi: 10.5194/tc-18-1925-2024

The Firn Symposium Team (2024), Firn on ice sheets, Nature Reviews Earth Environs, 5, 79-99. doi: 10.1038/s43017-023-00507-9

Li, Y., Fu, C., Keegan, K., Yang, J., Huang, G., Baker, I. (2023), “Microstructural characterization of depth hoar and ice-crust layers using a micro-CT, and hypothesis of ice-crust formation under a thunderstorm,” Hydrological Processes, 37(12), e15060. doi: 10.1002/hyp.15060

McDowell, I.E., Keegan, K., Wever, N., Osterberg, E.C., Hawley, R.L., Marshall, H-P (2023), “Firn Core Evidence of Two-Way Feedback Mechanisms Between Meltwater Infiltration and Firn Microstructure From the Western Percolation Zone of the Greenland Ice Sheet,” Journal of Geophysical Research Earth Surface, 128(2), e2022JF006752. doi: 10.1029/2022JF006752

Lawson, A., Hoffman, T., Chung, Y-M, Keegan, K., Day, S. (2022), A density-based approach to feature detection in persistence diagrams for firn data, Foundations of Data Science, 4(4), 623-639. doi: 10.3934/fods.2021012

Keegan, K. (2022), Snow metamorphism and firn compaction, Treatise on Geomorphology (2nd Edition), 4, 39-51. doi: 10.1016/B978-0-12-818234-5.00041-9

Hu, C-S, Lawson, A., Chung, Y-M, Keegan, K. (2021), Two-Parameter Persistence for Images via Distance Transform, Proceedings of the IEEE/CVF International Conference on Computer Vision (ICCV) Workshops, 4176-4184.

Belotti, V., Jester, M. Keegan, K., Chung, Y-M, Day, S. (2021), Topological Estimation of 2D Image Data via Subsampling and Application to Firn, IEEE Access, 9, 10348-10356. doi: 10.1109/ACCESS.2021.3050377

McDowell, I.E., Albert, M.R., Lieblappen, S.A., and K.M. Keegan (2020), Local Weather Conditions Create Structural Differences between Shallow Firn Columns at Summit, Greenland and WAIS Divide, Antarctica, Atmosphere, 11, 1370. (link)

Meyer, C.R., K.M. Keegan, I. Baker, and R.L. Hawley (2020), A model for French-press experiments of dry snow compaction, The Cryosphere, 14, 1449-1458, doi: 10.5194/tc-14-1449-2020. (link)

Keegan, K.M., M.R. Albert, J. McConnell, and I. Baker (2019), Climate effects on firn permeability are preserved within a firn column, Journal of Geophysical Research: Earth Surface, 124, 830-837. (link)

Keegan, K.M., M.R. Albert, J. McConnell, I. Baker (2014), Climate change and forest fires synergistically drive widespread melt of the Greenland Ice Sheet, Proceedings of the National Academy of Sciences of the United States of America, 111:7964-7967. (link)

Keegan, K.M., M.R. Albert, and I. Baker (2014), The impact of ice layers on gas transport through firn at the North Greenland Eemian Ice Drilling (NEEM) site, Greenland, The Cryosphere, 8:1801-1806. (link)

Dahl-Jensen, D., M.R. Albert, A. Aldahan… K.M. Keegan… (many authors, listed alphabetically) (2013), Eemian interglacial reconstructed from a Greenland folded ice core, Nature 493:489-494. (link)

 S. V. Nghiem, D. K. Hall, T. L. Mote, M. Tedesco, M. R. Albert, K. Keegan, C. A. Shuman, N. E. DiGirolamo, G. Neumann(2012), The extreme melt across the Greenland ice sheet in 2012, Geophysical Research Letters 39, L20502, doi:10.1029/2012GL053611. (link)