Articles | Volume 17, issue 18
https://doi.org/10.5194/gmd-17-6987-2024
https://doi.org/10.5194/gmd-17-6987-2024
Model description paper
 | 
19 Sep 2024
Model description paper |  | 19 Sep 2024

Design and performance of ELSA v2.0: an isochronal model for ice-sheet layer tracing

Therese Rieckh, Andreas Born, Alexander Robinson, Robert Law, and Gerrit Gülle

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Review Article: Antarctica’s internal architecture: Towards a radiostratigraphically-informed age–depth model of the Antarctic ice sheets
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EGUsphere, https://doi.org/10.5194/egusphere-2024-2593,https://doi.org/10.5194/egusphere-2024-2593, 2024
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Cited articles

AntArchitecture: Archiving and interrogating Antarctica's internal structure from radar sounding, in: Workshop to establish scientific goals, working practices, and funding routes, Tech. rep., School of GeoSciences, 2017. a
Born, A.: Tracer transport in an isochronal ice sheet model, J. Glaciol., 63, 22–38, https://doi.org/10.1017/jog.2016.111, 2017. a, b, c, d
Born, A. and Robinson, A.: Modeling the Greenland englacial stratigraphy, The Cryosphere, 15, 4539–4556, https://doi.org/10.5194/tc-15-4539-2021, 2021. a, b, c
Brondex, J., Gillet-Chaulet, F., and Gagliardini, O.: Sensitivity of centennial mass loss projections of the Amundsen basin to the friction law, The Cryosphere, 13, 177–195, https://doi.org/10.5194/tc-13-177-2019, 2019. a
Cavitte, M. G. P., Young, D. A., Mulvaney, R., Ritz, C., Greenbaum, J. S., Ng, G., Kempf, S. D., Quartini, E., Muldoon, G. R., Paden, J., Frezzotti, M., Roberts, J. L., Tozer, C. R., Schroeder, D. M., and Blankenship, D. D.: A detailed radiostratigraphic data set for the central East Antarctic Plateau spanning from the Holocene to the mid-Pleistocene, Earth Syst. Sci. Data, 13, 4759–4777, https://doi.org/10.5194/essd-13-4759-2021, 2021. a
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Short summary
We present the open-source model ELSA, which simulates the internal age structure of large ice sheets. It creates layers of snow accumulation at fixed times during the simulation, which are used to model the internal stratification of the ice sheet. Together with reconstructed isochrones from radiostratigraphy data, ELSA can be used to assess ice sheet models and to improve their parameterization. ELSA can be used coupled to an ice sheet model or forced with its output.
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