Articles | Volume 13, issue 4
Development and technical paper
09 Apr 2020
Development and technical paper |  | 09 Apr 2020

SICOPOLIS-AD v1: an open-source adjoint modeling framework for ice sheet simulation enabled by the algorithmic differentiation tool OpenAD

Liz C. Logan, Sri Hari Krishna Narayanan, Ralf Greve, and Patrick Heimbach

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Cited articles

Arthern, R. J., Winebrenner, D. P., and Vaughan, D. G.: Antarctic snow accumulation mapped using polarization of 4.3-cm wavelength microwave emission, J. Geophys. Res.-Atmos., 111, D06107,, 2006. a
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AWI FusionForge: Alfred Wegener Institute for Polar and Marine Research FusionForge, available at:, last access: 6 April 2020. a
Balmaseda, M. A.: Editorial for Ocean Reanalysis Intercomparison Special Issue, Clim. Dynam., 49, 707–708,, 2017. a
Bamber, J. L., Layberry, R. L., and Gogenini, S. P.: A new ice thickness and bed data set for the Greenland ice sheet 1. Measurement, data reduction, and errors, J. Geophys. Res.-Atmos., 106, 33773–33780,, 2001. a
Short summary
A new capability has been developed for the ice sheet model SICOPOLIS (SImulation COde for POLythermal Ice Sheets) that enables the generation of derivative code, such as tangent linear or adjoint models, by means of algorithmic differentiation. It relies on the source transformation algorithmic (AD) differentiation tool OpenAD. The reverse mode of AD provides the adjoint model, SICOPOLIS-AD, which may be applied for comprehensive sensitivity analyses as well as gradient-based optimization.