Assimilation of Antarctic velocity observations provides evidence for uncharted pinning points

@inproceedings{Frst2015AssimilationOA,
  title={Assimilation of Antarctic velocity observations provides evidence for uncharted pinning points},
  author={J. F{\"u}rst and Ga{\"e}l Durand and Fabien Gillet-Chaulet and N. Merino and Laure Tavard and J{\'e}r{\'e}mie Mouginot and Noel Gourmelen and Olivier Gagliardini},
  year={2015}
}
In ice flow modelling, the use of control methods to assimilate the dynamic and geometric state of an ice body has become common practice. These methods have primarily focussed on inverting for one of the two least known properties in glaciology, namely the basal friction coefficient or the ice viscosity parameter. Here, we present an approach to infer both properties simultaneously for the whole of the Antarctic ice sheet. After the assimilation, the root-meansquare deviation between modelled… CONTINUE READING

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