Articles | Volume 9, issue 6
https://doi.org/10.5194/tc-9-2429-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/tc-9-2429-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| Highlight paper
| 
21 Dec 2015
Research article | Highlight paper |
| 21 Dec 2015
Committed retreat of Smith, Pope, and Kohler Glaciers over the next 30 years inferred by transient model calibration
Univ. of Edinburgh, School of GeoSciences, Edinburgh, UK
P. Heimbach
University of Texas, Institute for Computational Engineering and Sciences/Institute for Geophysics, Austin, Texas, USA
I. Joughin
Applied Physics Laboratory, University of Washington, Seattle, USA
Applied Physics Laboratory, University of Washington, Seattle, USA
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Short summary
We calibrate a time-dependent ice model through optimal fit to transient observations of surface elevation and velocity, a novel procedure in glaciology and in particular for an ice stream with a dynamic grounding line. We show this procedure gives a level of confidence in model projections that cannot be achieved through more commonly used glaciological data assimilation methods. We show that Smith Glacier is in a state of retreat regardless of climatic forcing for the next several decades.
We calibrate a time-dependent ice model through optimal fit to transient observations of surface...
