Elmer/Ice News

Spatial sensitivities of Greenland

Fig06-a-d from Nowicki etal 2013b JGRF
Fig06-colour-bars from Nowicki etal 2013b JGRF

The Sea-level Response to Ice Sheet Evolution (SeaRISE) effort explores the sensitivity of the current generation of ice sheet models to external forcing to gain insight into the potential future contribution to sea level from the Greenland and Antarctic ice sheets. All participating models (including Elmer/Ice) simulated the ice sheet response to different types of external forcings. In Insights into spatial sensitivities of ice mass response to environmental change from the SeaRISE ice sheet modeling project II: Greenland, an analysis of the spatial response of the Greenland ice sheet is presented, and the impact of model physics and spin-up on the projections is explored. As one of the results, Figure 6 from the paper shows the ensemble mean thickness change from the (a) control and (b) standard deviation resulting from the S2 experiment (doubled basal sliding) after 100 simulated years, along with the thickness contribution from the (c) maximum (Elmer/Ice) and (d) minimum (PISM) models.

Reference: Nowicki et al., 2013. Insights into spatial sensitivities of ice mass response to environmental change from the SeaRISE ice sheet modeling project II: Greenland. Journal of Geophysical Research: Earth Surface 118 (2), 1025-1044, doi:10.1002/jgrf.20076. [link to paper]

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