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Data assimilation in glaciology

Bertrand Bonan 1 Maëlle Nodet 1 Olivier Ozenda 2 Catherine Ritz 3 
1 MOISE - Modelling, Observations, Identification for Environmental Sciences
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology
3 EDGe
LGGE - Laboratoire de glaciologie et géophysique de l'environnement
Abstract : In this short paper, we will give one example of an inverse problem in glaciology. This problem is fairly simple to state: how to infer a climatic scenario (i.e. how to reconstruct past polar temperature) from ice volume records? The idea of this work is to explore the ability of the adjoint method to solve the inverse problem of reconstructing past temperature given all available observations. We start here with a simplified ice-sheet model and perform twin experiments.
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Submitted on : Monday, July 9, 2012 - 12:52:34 PM
Last modification on : Thursday, January 20, 2022 - 5:28:02 PM
Long-term archiving on: : Wednesday, October 10, 2012 - 2:45:44 AM


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  • HAL Id : hal-00715832, version 1


Bertrand Bonan, Maëlle Nodet, Olivier Ozenda, Catherine Ritz. Data assimilation in glaciology. Advanced Data Assimilation for Geosciences, May 2012, Les Houches, France. ⟨hal-00715832⟩



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