Articles | Volume 16, issue 1
https://doi.org/10.5194/gmd-16-407-2023
https://doi.org/10.5194/gmd-16-407-2023
Model description paper
 | 
16 Jan 2023
Model description paper |  | 16 Jan 2023

SUHMO: an adaptive mesh refinement SUbglacial Hydrology MOdel v1.0

Anne M. Felden, Daniel F. Martin, and Esmond G. Ng

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Cited articles

Adams, M., Colella, P., Graves, D. T., Johnson, J. N., Keen, N. D., Ligocki, T. J., Martin, D. F., McCorquodale, P. W., Modiano, D., Schwartz, P. O., Sternberg, T. D., and Van Straalen, B.: Chombo Software Package for AMR Applications – Design Document, Tech. Rep. LBNL-6616E, Lawrence Berkeley National Laboratory, https://commons.lbl.gov/display/chombo/Chombo+-+Software+for+Adaptive+Solutions+of+Partial+Differential+Equations (last access: 1 January 2023), 2001-2021. a, b, c, d
Adams, M., Colella, P., Graves, D. T., Johnson, J. N., Keen, N. D., Ligocki, T. J., Martin, D. F., McCorquodale, P. W., Modiano, D., Schwartz, P. O., Sternberg, T. D., and Van Straalen, B.: EnnaDelfen/Chombo_3.2: Chombo_SUHMO 1.1 (Chombo_SUHMO_1.1), Zenodo [code], https://doi.org/10.5281/zenodo.7487502, 2022. a
Arnold, N. and Sharp, M.: Flow variability in the Scandinavian ice sheet: modelling the coupling between ice sheet flow and hydrology, Quaternary Sci. Rev., 21, 485–502, https://doi.org/10.1016/S0277-3791(01)00059-2, 2002. a
Aschwanden, A., Fahnestock, M. A., Truffer, M., Brinkerhoff, D. J., Hock, R., Khroulev, C., Mottram, R., and Khan, S. A.: Contribution of the Greenland Ice Sheet to sea level over the next millennium, Sci. Adv., 5, eaav9396, https://doi.org/10.1126/sciadv.aav9396, 2019. a
Berger, A. and Loutre, M.-F.: An exceptionally long interglacial ahead?, Science, 297, 1287–1288, https://doi.org/10.1126/science.1076120, 2002. a
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We present and validate a novel subglacial hydrology model, SUHMO, based on an adaptive mesh refinement framework. We propose the addition of a pseudo-diffusion to recover the wall melting in channels. Computational performance analysis demonstrates the efficiency of adaptive mesh refinement on large-scale hydrologic problems. The adaptive mesh refinement approach will eventually enable better ice bed boundary conditions for ice sheet simulations at a reasonable computational cost.
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