Research Summary
Mechanisms and possibility of recurrence of abrupt climate change, ice-bed interactions with implications for fast glacier flow and sea-level change, improved measurement of ice-core properties, and glaciology.
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Recent Publications
Rift-Related Sedimentary Basin and Deeper-Seated Mafic Intrusions Modeled Beneath Thwaites Glacier, West Antarctica: Influence on Glacier Dynamics
Borthwick, L., Muto, A., Anandakrishnan, S., Tinto, K., Agnew, R., Brisbourne, A., Schlegel, R., Killingbeck, S., Kulessa, B., Alley, R., Willet, A. & Melton, S., Oct 2025, In: Journal of Geophysical Research: Solid Earth. 130, 10, e2025JB031716.Research output: Contribution to journal › Article › peer-review
Temperature reconstruction from measured bubble number-density evolution in the South Pole Ice Core since the late-glacial (∼19.5 ka)
Fegyveresi, J. M., Alley, R. B., Buizert, C., Fitzpatrick, J. J., Courville, Z. R. & Voigt, D. E., Jul 14 2025, In: Annals of Glaciology. 66, e25.Research output: Contribution to journal › Article › peer-review
Characteristics, origin and significance of chessboard subgrain boundaries in the WAIS divide ice core
Fitzpatrick, J. J., Wilen, L. A., Voigt, D. E., Alley, R. B. & Fegyveresi, J. M., Jan 20 2025, In: Annals of Glaciology. 66, e12.Research output: Contribution to journal › Article › peer-review
A robust multitask deep learning algorithm for Antarctic ice shelf fracture detection from multisource satellite imagery
Huang, Z., Wang, S., Alley, R. B. & Parizek, B. R., Dec 1 2025, In: Remote Sensing of Environment. 330, 114964.Research output: Contribution to journal › Article › peer-review
The effect of melt-channel geometry on ice-shelf flow
Lilien, D. A., Alley, K. E. & Alley, R. B., Apr 14 2025, In: Journal of Glaciology. 71, e73.Research output: Contribution to journal › Article › peer-review
Drivers of global glacial erosion rates
Norris, S. L., Gosse, J. C., Millan, R., Mouginot, J., Rabatel, A., Morlighem, M., Bolton, M. S. M. & Alley, R. B., Aug 2025, In: Nature Geoscience. 18, 8, p. 732-739 8 p.Research output: Contribution to journal › Article › peer-review
Recent Variability in Fracture Characteristics and Ice Flow of Thwaites Ice Shelf, West Antarctica
Wang, S., Alexander, P. M., Alley, R. B., Huang, Z., Parizek, B. R., Willet, A. G. & Anandakrishnan, S., May 2025, In: Journal of Geophysical Research: Earth Surface. 130, 5, e2024JF008118.Research output: Contribution to journal › Article › peer-review
Evolution of sub-ice-shelf channels reveals changes in ocean-driven melt in West Antarctica
Alley, K. E., Alley, R. B., Crawford, A. D., Ochwat, N., Wild, C. T., Marson, J., Snow, T., Muto, A., Pettit, E. C., Child, S. F., Truffer, M., Collao-Barrios, G. & Scambos, T. A., Mar 19 2024, In: Journal of Glaciology. 70, e50.Research output: Contribution to journal › Article › peer-review
A Novel Deep Learning-Based Approach for Rift and Iceberg Recognition From ICESat-2 Data
Huang, Z., Wang, S., Alley, R. B., Li, A. & Parizek, B. R., 2024, In: IEEE Transactions on Geoscience and Remote Sensing. 62, p. 1-17 17 p., 4300917.Research output: Contribution to journal › Article › peer-review
Icequake insights on transient glacier slip mechanics near channelized subglacial drainage
Stevens, N. T., Zoet, L. K., Hansen, D. D., Alley, R. B., Roland, C. J., Schwans, E. & Shepherd, C. S., Feb 1 2024, In: Earth and Planetary Science Letters. 627, 118513.Research output: Contribution to journal › Article › peer-review
Iceberg Calving: Regimes and Transitions
Alley, R. B., Cuffey, K. M., Bassis, J. N., Alley, K. E., Wang, S., Parizek, B. R., Anandakrishnan, S., Christianson, K. & Deconto, R. M., May 31 2023, In: Annual Review of Earth and Planetary Sciences. 51, p. 189-215 27 p.Research output: Contribution to journal › Review article › peer-review
The role of channelized basal melt in ice-shelf stability: Recent progress and future priorities
Alley, K. E., Scambos, T. A. & Alley, R. B., Mar 24 2023, In: Annals of Glaciology. 2019, 5Research output: Contribution to journal › Article › peer-review
Sea-level rise in Southwest Greenland as a contributor to Viking abandonment
Borreggine, M., Latychev, K., Coulson, S., Powell, E. M., Mitrovica, J. X., Milne, G. A. & Alley, R. B., Apr 25 2023, In: Proceedings of the National Academy of Sciences of the United States of America. 120, 17, e2209615120.Research output: Contribution to journal › Article › peer-review
Regional CO2 Inversion Through Ensemble-Based Simultaneous State and Parameter Estimation: TRACE Framework and Controlled Experiments
Chen, H. W., Zhang, F., Lauvaux, T., Scholze, M., Davis, K. J. & Alley, R. B., Mar 2023, In: Journal of Advances in Modeling Earth Systems. 15, 3, e2022MS003208.Research output: Contribution to journal › Article › peer-review
Glacial hydraulic tremor on Rhonegletscher, Switzerland
Clyne, E., Alley, R. B., Vore, M., Gräff, D., Anandakrishnan, S., Walter, F. & Sergeant, A., Apr 17 2023, In: Journal of Glaciology. 69, 274, p. 370-380 11 p.Research output: Contribution to journal › Article › peer-review